nvue.runtime.esm.prod.js 217.3 KB
Newer Older
fxy060608's avatar
fxy060608 已提交
1 2 3 4
import { isString, isFunction, isPromise, EMPTY_OBJ, isArray, NOOP, remove, isObject, getGlobalThis, camelize, capitalize, normalizeClass, extend, normalizeStyle, isOn, toHandlerKey, hasOwn, toNumber, hasChanged, isSet, isMap, isPlainObject, invokeArrayFns, NO, isReservedProp, EMPTY_ARR, isModelListener, hyphenate, def, parseStringStyle, isGloballyWhitelisted } from '@vue/shared';
export { camelize, capitalize, hyphenate, normalizeClass, normalizeProps, normalizeStyle, toDisplayString, toHandlerKey } from '@vue/shared';
import { pauseTracking, resetTracking, isRef, toRaw, isShallow, isReactive, ReactiveEffect, ref, isProxy, proxyRefs, markRaw, computed as computed$1, EffectScope, track, reactive, shallowReactive, trigger } from '@vue/reactivity';
export { EffectScope, ReactiveEffect, customRef, effect, effectScope, getCurrentScope, isProxy, isReactive, isReadonly, isRef, isShallow, markRaw, onScopeDispose, proxyRefs, reactive, readonly, ref, shallowReactive, shallowReadonly, shallowRef, stop, toRaw, toRef, toRefs, triggerRef, unref } from '@vue/reactivity';
fxy060608's avatar
fxy060608 已提交
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
var stack = [];

function warn(msg) {
  // avoid props formatting or warn handler tracking deps that might be mutated
  // during patch, leading to infinite recursion.
  pauseTracking();
  var instance = stack.length ? stack[stack.length - 1].component : null;
  var appWarnHandler = instance && instance.appContext.config.warnHandler;
  var trace = getComponentTrace();

  for (var _len = arguments.length, args = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
    args[_key - 1] = arguments[_key];
  }

  if (appWarnHandler) {
    callWithErrorHandling(appWarnHandler, instance, 11
    /* APP_WARN_HANDLER */
    , [msg + args.join(''), instance && instance.proxy, trace.map(_ref => {
      var {
        vnode
      } = _ref;
      return "at <".concat(formatComponentName(instance, vnode.type), ">");
    }).join('\n'), trace]);
  } else {
    var warnArgs = ["[Vue warn]: ".concat(msg), ...args];
    /* istanbul ignore if */
fxy060608's avatar
fxy060608 已提交
31

fxy060608's avatar
fxy060608 已提交
32 33 34
    if (trace.length && // avoid spamming console during tests
    !false) {
      warnArgs.push("\n", ...formatTrace(trace));
fxy060608's avatar
fxy060608 已提交
35 36
    }

fxy060608's avatar
fxy060608 已提交
37 38
    console.warn(...warnArgs);
  }
fxy060608's avatar
fxy060608 已提交
39

fxy060608's avatar
fxy060608 已提交
40 41
  resetTracking();
}
fxy060608's avatar
fxy060608 已提交
42

fxy060608's avatar
fxy060608 已提交
43 44
function getComponentTrace() {
  var currentVNode = stack[stack.length - 1];
fxy060608's avatar
fxy060608 已提交
45

fxy060608's avatar
fxy060608 已提交
46 47 48 49 50
  if (!currentVNode) {
    return [];
  } // we can't just use the stack because it will be incomplete during updates
  // that did not start from the root. Re-construct the parent chain using
  // instance parent pointers.
fxy060608's avatar
fxy060608 已提交
51 52


fxy060608's avatar
fxy060608 已提交
53
  var normalizedStack = [];
fxy060608's avatar
fxy060608 已提交
54

fxy060608's avatar
fxy060608 已提交
55 56
  while (currentVNode) {
    var last = normalizedStack[0];
fxy060608's avatar
fxy060608 已提交
57

fxy060608's avatar
fxy060608 已提交
58 59 60 61 62 63
    if (last && last.vnode === currentVNode) {
      last.recurseCount++;
    } else {
      normalizedStack.push({
        vnode: currentVNode,
        recurseCount: 0
fxy060608's avatar
fxy060608 已提交
64 65 66
      });
    }

fxy060608's avatar
fxy060608 已提交
67 68 69
    var parentInstance = currentVNode.component && currentVNode.component.parent;
    currentVNode = parentInstance && parentInstance.vnode;
  }
fxy060608's avatar
fxy060608 已提交
70

fxy060608's avatar
fxy060608 已提交
71 72 73
  return normalizedStack;
}
/* istanbul ignore next */
fxy060608's avatar
fxy060608 已提交
74 75


fxy060608's avatar
fxy060608 已提交
76 77 78 79 80 81 82
function formatTrace(trace) {
  var logs = [];
  trace.forEach((entry, i) => {
    logs.push(...(i === 0 ? [] : ["\n"]), ...formatTraceEntry(entry));
  });
  return logs;
}
fxy060608's avatar
fxy060608 已提交
83

fxy060608's avatar
fxy060608 已提交
84 85 86 87 88 89 90 91 92 93 94 95
function formatTraceEntry(_ref2) {
  var {
    vnode,
    recurseCount
  } = _ref2;
  var postfix = recurseCount > 0 ? "... (".concat(recurseCount, " recursive calls)") : "";
  var isRoot = vnode.component ? vnode.component.parent == null : false;
  var open = " at <".concat(formatComponentName(vnode.component, vnode.type, isRoot));
  var close = ">" + postfix;
  return vnode.props ? [open, ...formatProps(vnode.props), close] : [open + close];
}
/* istanbul ignore next */
fxy060608's avatar
fxy060608 已提交
96 97


fxy060608's avatar
fxy060608 已提交
98 99 100 101 102 103
function formatProps(props) {
  var res = [];
  var keys = Object.keys(props);
  keys.slice(0, 3).forEach(key => {
    res.push(...formatProp(key, props[key]));
  });
fxy060608's avatar
fxy060608 已提交
104

fxy060608's avatar
fxy060608 已提交
105 106 107
  if (keys.length > 3) {
    res.push(" ...");
  }
fxy060608's avatar
fxy060608 已提交
108

fxy060608's avatar
fxy060608 已提交
109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129
  return res;
}
/* istanbul ignore next */


function formatProp(key, value, raw) {
  if (isString(value)) {
    value = JSON.stringify(value);
    return raw ? value : ["".concat(key, "=").concat(value)];
  } else if (typeof value === 'number' || typeof value === 'boolean' || value == null) {
    return raw ? value : ["".concat(key, "=").concat(value)];
  } else if (isRef(value)) {
    value = formatProp(key, toRaw(value.value), true);
    return raw ? value : ["".concat(key, "=Ref<"), value, ">"];
  } else if (isFunction(value)) {
    return ["".concat(key, "=fn").concat(value.name ? "<".concat(value.name, ">") : "")];
  } else {
    value = toRaw(value);
    return raw ? value : ["".concat(key, "="), value];
  }
}
fxy060608's avatar
fxy060608 已提交
130

fxy060608's avatar
fxy060608 已提交
131 132
function callWithErrorHandling(fn, instance, type, args) {
  var res;
fxy060608's avatar
fxy060608 已提交
133

fxy060608's avatar
fxy060608 已提交
134 135 136 137 138
  try {
    res = args ? fn(...args) : fn();
  } catch (err) {
    handleError(err, instance, type);
  }
fxy060608's avatar
fxy060608 已提交
139

fxy060608's avatar
fxy060608 已提交
140 141
  return res;
}
fxy060608's avatar
fxy060608 已提交
142

fxy060608's avatar
fxy060608 已提交
143 144 145
function callWithAsyncErrorHandling(fn, instance, type, args) {
  if (isFunction(fn)) {
    var res = callWithErrorHandling(fn, instance, type, args);
fxy060608's avatar
fxy060608 已提交
146

fxy060608's avatar
fxy060608 已提交
147 148 149 150
    if (res && isPromise(res)) {
      res.catch(err => {
        handleError(err, instance, type);
      });
fxy060608's avatar
fxy060608 已提交
151
    }
fxy060608's avatar
fxy060608 已提交
152

fxy060608's avatar
fxy060608 已提交
153 154
    return res;
  }
fxy060608's avatar
fxy060608 已提交
155

fxy060608's avatar
fxy060608 已提交
156
  var values = [];
fxy060608's avatar
fxy060608 已提交
157

fxy060608's avatar
fxy060608 已提交
158 159 160
  for (var i = 0; i < fn.length; i++) {
    values.push(callWithAsyncErrorHandling(fn[i], instance, type, args));
  }
fxy060608's avatar
fxy060608 已提交
161

fxy060608's avatar
fxy060608 已提交
162 163
  return values;
}
fxy060608's avatar
fxy060608 已提交
164

fxy060608's avatar
fxy060608 已提交
165 166 167
function handleError(err, instance, type) {
  var throwInDev = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : true;
  var contextVNode = instance ? instance.vnode : null;
fxy060608's avatar
fxy060608 已提交
168

fxy060608's avatar
fxy060608 已提交
169 170
  if (instance) {
    var cur = instance.parent; // the exposed instance is the render proxy to keep it consistent with 2.x
fxy060608's avatar
fxy060608 已提交
171

fxy060608's avatar
fxy060608 已提交
172 173
    var exposedInstance = instance.proxy; // in production the hook receives only the error code
    // fixed by xxxxxx
fxy060608's avatar
fxy060608 已提交
174

fxy060608's avatar
fxy060608 已提交
175
    var errorInfo = type;
fxy060608's avatar
fxy060608 已提交
176

fxy060608's avatar
fxy060608 已提交
177 178
    while (cur) {
      var errorCapturedHooks = cur.ec;
fxy060608's avatar
fxy060608 已提交
179

fxy060608's avatar
fxy060608 已提交
180 181 182 183 184
      if (errorCapturedHooks) {
        for (var i = 0; i < errorCapturedHooks.length; i++) {
          if (errorCapturedHooks[i](err, exposedInstance, errorInfo) === false) {
            return;
          }
fxy060608's avatar
fxy060608 已提交
185 186
        }
      }
fxy060608's avatar
fxy060608 已提交
187

fxy060608's avatar
fxy060608 已提交
188 189
      cur = cur.parent;
    } // app-level handling
fxy060608's avatar
fxy060608 已提交
190 191


fxy060608's avatar
fxy060608 已提交
192
    var appErrorHandler = instance.appContext.config.errorHandler;
fxy060608's avatar
fxy060608 已提交
193

fxy060608's avatar
fxy060608 已提交
194 195 196 197 198
    if (appErrorHandler) {
      callWithErrorHandling(appErrorHandler, null, 10
      /* APP_ERROR_HANDLER */
      , [err, exposedInstance, errorInfo]);
      return;
fxy060608's avatar
fxy060608 已提交
199
    }
fxy060608's avatar
fxy060608 已提交
200
  }
fxy060608's avatar
fxy060608 已提交
201

fxy060608's avatar
fxy060608 已提交
202 203
  logError(err, type, contextVNode, throwInDev);
}
fxy060608's avatar
fxy060608 已提交
204

fxy060608's avatar
fxy060608 已提交
205 206 207 208 209 210 211
function logError(err, type, contextVNode) {
  var throwInDev = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : true;
  {
    // recover in prod to reduce the impact on end-user
    console.error(err);
  }
}
fxy060608's avatar
fxy060608 已提交
212

fxy060608's avatar
fxy060608 已提交
213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248
var isFlushing = false;
var isFlushPending = false;
var queue = [];
var flushIndex = 0;
var pendingPreFlushCbs = [];
var activePreFlushCbs = null;
var preFlushIndex = 0;
var pendingPostFlushCbs = [];
var activePostFlushCbs = null;
var postFlushIndex = 0;
var resolvedPromise = Promise.resolve();
var currentFlushPromise = null;
var currentPreFlushParentJob = null;

function nextTick(fn) {
  var p = currentFlushPromise || resolvedPromise;
  return fn ? p.then(this ? fn.bind(this) : fn) : p;
} // #2768
// Use binary-search to find a suitable position in the queue,
// so that the queue maintains the increasing order of job's id,
// which can prevent the job from being skipped and also can avoid repeated patching.


function findInsertionIndex(id) {
  // the start index should be `flushIndex + 1`
  var start = flushIndex + 1;
  var end = queue.length;

  while (start < end) {
    var middle = start + end >>> 1;
    var middleJobId = getId(queue[middle]);
    middleJobId < id ? start = middle + 1 : end = middle;
  }

  return start;
}
fxy060608's avatar
fxy060608 已提交
249

fxy060608's avatar
fxy060608 已提交
250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266
function queueJob(job) {
  // the dedupe search uses the startIndex argument of Array.includes()
  // by default the search index includes the current job that is being run
  // so it cannot recursively trigger itself again.
  // if the job is a watch() callback, the search will start with a +1 index to
  // allow it recursively trigger itself - it is the user's responsibility to
  // ensure it doesn't end up in an infinite loop.
  if ((!queue.length || !queue.includes(job, isFlushing && job.allowRecurse ? flushIndex + 1 : flushIndex)) && job !== currentPreFlushParentJob) {
    if (job.id == null) {
      queue.push(job);
    } else {
      queue.splice(findInsertionIndex(job.id), 0, job);
    }

    queueFlush();
  }
}
fxy060608's avatar
fxy060608 已提交
267

fxy060608's avatar
fxy060608 已提交
268 269 270 271 272 273 274 275 276 277 278 279 280 281
function queueFlush() {
  if (!isFlushing && !isFlushPending) {
    isFlushPending = true;
    currentFlushPromise = resolvedPromise.then(flushJobs);
  }
}

function invalidateJob(job) {
  var i = queue.indexOf(job);

  if (i > flushIndex) {
    queue.splice(i, 1);
  }
}
fxy060608's avatar
fxy060608 已提交
282

fxy060608's avatar
fxy060608 已提交
283 284 285 286
function queueCb(cb, activeQueue, pendingQueue, index) {
  if (!isArray(cb)) {
    if (!activeQueue || !activeQueue.includes(cb, cb.allowRecurse ? index + 1 : index)) {
      pendingQueue.push(cb);
fxy060608's avatar
fxy060608 已提交
287
    }
fxy060608's avatar
fxy060608 已提交
288 289 290 291 292 293
  } else {
    // if cb is an array, it is a component lifecycle hook which can only be
    // triggered by a job, which is already deduped in the main queue, so
    // we can skip duplicate check here to improve perf
    pendingQueue.push(...cb);
  }
fxy060608's avatar
fxy060608 已提交
294

fxy060608's avatar
fxy060608 已提交
295 296
  queueFlush();
}
297

fxy060608's avatar
fxy060608 已提交
298 299 300
function queuePreFlushCb(cb) {
  queueCb(cb, activePreFlushCbs, pendingPreFlushCbs, preFlushIndex);
}
301

fxy060608's avatar
fxy060608 已提交
302 303 304
function queuePostFlushCb(cb) {
  queueCb(cb, activePostFlushCbs, pendingPostFlushCbs, postFlushIndex);
}
fxy060608's avatar
fxy060608 已提交
305

fxy060608's avatar
fxy060608 已提交
306 307
function flushPreFlushCbs(seen) {
  var parentJob = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
fxy060608's avatar
fxy060608 已提交
308

fxy060608's avatar
fxy060608 已提交
309 310 311 312 313 314 315
  if (pendingPreFlushCbs.length) {
    currentPreFlushParentJob = parentJob;
    activePreFlushCbs = [...new Set(pendingPreFlushCbs)];
    pendingPreFlushCbs.length = 0;

    for (preFlushIndex = 0; preFlushIndex < activePreFlushCbs.length; preFlushIndex++) {
      activePreFlushCbs[preFlushIndex]();
fxy060608's avatar
fxy060608 已提交
316
    }
fxy060608's avatar
fxy060608 已提交
317

fxy060608's avatar
fxy060608 已提交
318 319 320
    activePreFlushCbs = null;
    preFlushIndex = 0;
    currentPreFlushParentJob = null; // recursively flush until it drains
fxy060608's avatar
fxy060608 已提交
321

fxy060608's avatar
fxy060608 已提交
322 323 324
    flushPreFlushCbs(seen, parentJob);
  }
}
fxy060608's avatar
fxy060608 已提交
325

fxy060608's avatar
fxy060608 已提交
326 327 328 329
function flushPostFlushCbs(seen) {
  if (pendingPostFlushCbs.length) {
    var deduped = [...new Set(pendingPostFlushCbs)];
    pendingPostFlushCbs.length = 0; // #1947 already has active queue, nested flushPostFlushCbs call
fxy060608's avatar
fxy060608 已提交
330

fxy060608's avatar
fxy060608 已提交
331 332 333 334
    if (activePostFlushCbs) {
      activePostFlushCbs.push(...deduped);
      return;
    }
fxy060608's avatar
fxy060608 已提交
335

fxy060608's avatar
fxy060608 已提交
336 337 338 339 340
    activePostFlushCbs = deduped;
    activePostFlushCbs.sort((a, b) => getId(a) - getId(b));

    for (postFlushIndex = 0; postFlushIndex < activePostFlushCbs.length; postFlushIndex++) {
      activePostFlushCbs[postFlushIndex]();
fxy060608's avatar
fxy060608 已提交
341 342
    }

fxy060608's avatar
fxy060608 已提交
343 344 345 346
    activePostFlushCbs = null;
    postFlushIndex = 0;
  }
}
fxy060608's avatar
fxy060608 已提交
347

fxy060608's avatar
fxy060608 已提交
348
var getId = job => job.id == null ? Infinity : job.id;
fxy060608's avatar
fxy060608 已提交
349

fxy060608's avatar
fxy060608 已提交
350 351 352 353 354 355 356 357 358 359
function flushJobs(seen) {
  isFlushPending = false;
  isFlushing = true;
  flushPreFlushCbs(seen); // Sort queue before flush.
  // This ensures that:
  // 1. Components are updated from parent to child. (because parent is always
  //    created before the child so its render effect will have smaller
  //    priority number)
  // 2. If a component is unmounted during a parent component's update,
  //    its update can be skipped.
fxy060608's avatar
fxy060608 已提交
360

fxy060608's avatar
fxy060608 已提交
361 362 363 364 365
  queue.sort((a, b) => getId(a) - getId(b)); // conditional usage of checkRecursiveUpdate must be determined out of
  // try ... catch block since Rollup by default de-optimizes treeshaking
  // inside try-catch. This can leave all warning code unshaked. Although
  // they would get eventually shaken by a minifier like terser, some minifiers
  // would fail to do that (e.g. https://github.com/evanw/esbuild/issues/1610)
fxy060608's avatar
fxy060608 已提交
366

fxy060608's avatar
fxy060608 已提交
367
  var check = NOOP;
fxy060608's avatar
fxy060608 已提交
368

fxy060608's avatar
fxy060608 已提交
369 370 371
  try {
    for (flushIndex = 0; flushIndex < queue.length; flushIndex++) {
      var job = queue[flushIndex];
fxy060608's avatar
fxy060608 已提交
372

fxy060608's avatar
fxy060608 已提交
373 374 375 376 377 378
      if (job && job.active !== false) {
        if ("production" !== 'production' && check(job)) ; // console.log(`running:`, job.id)

        callWithErrorHandling(job, null, 14
        /* SCHEDULER */
        );
fxy060608's avatar
fxy060608 已提交
379 380
      }
    }
fxy060608's avatar
fxy060608 已提交
381 382 383 384 385 386 387
  } finally {
    flushIndex = 0;
    queue.length = 0;
    flushPostFlushCbs();
    isFlushing = false;
    currentFlushPromise = null; // some postFlushCb queued jobs!
    // keep flushing until it drains.
fxy060608's avatar
fxy060608 已提交
388

fxy060608's avatar
fxy060608 已提交
389 390 391 392 393
    if (queue.length || pendingPreFlushCbs.length || pendingPostFlushCbs.length) {
      flushJobs(seen);
    }
  }
}
fxy060608's avatar
fxy060608 已提交
394

fxy060608's avatar
fxy060608 已提交
395 396
var devtools;
var buffer = [];
fxy060608's avatar
fxy060608 已提交
397

fxy060608's avatar
fxy060608 已提交
398 399
function setDevtoolsHook(hook, target) {
  var _a, _b;
fxy060608's avatar
fxy060608 已提交
400

fxy060608's avatar
fxy060608 已提交
401
  devtools = hook;
fxy060608's avatar
fxy060608 已提交
402

fxy060608's avatar
fxy060608 已提交
403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428
  if (devtools) {
    devtools.enabled = true;
    buffer.forEach(_ref3 => {
      var {
        event,
        args
      } = _ref3;
      return devtools.emit(event, ...args);
    });
    buffer = [];
  } else if ( // handle late devtools injection - only do this if we are in an actual
  // browser environment to avoid the timer handle stalling test runner exit
  // (#4815)
  // eslint-disable-next-line no-restricted-globals
  typeof window !== 'undefined' && // some envs mock window but not fully
  window.HTMLElement && // also exclude jsdom
  !((_b = (_a = window.navigator) === null || _a === void 0 ? void 0 : _a.userAgent) === null || _b === void 0 ? void 0 : _b.includes('jsdom'))) {
    var replay = target.__VUE_DEVTOOLS_HOOK_REPLAY__ = target.__VUE_DEVTOOLS_HOOK_REPLAY__ || [];
    replay.push(newHook => {
      setDevtoolsHook(newHook, target);
    }); // clear buffer after 3s - the user probably doesn't have devtools installed
    // at all, and keeping the buffer will cause memory leaks (#4738)

    setTimeout(() => {
      if (!devtools) {
        target.__VUE_DEVTOOLS_HOOK_REPLAY__ = null;
fxy060608's avatar
fxy060608 已提交
429
        buffer = [];
fxy060608's avatar
fxy060608 已提交
430
      }
fxy060608's avatar
fxy060608 已提交
431 432 433 434 435
    }, 3000);
  } else {
    buffer = [];
  }
}
fxy060608's avatar
fxy060608 已提交
436

fxy060608's avatar
fxy060608 已提交
437 438
function emit$1(instance, event) {
  var props = instance.vnode.props || EMPTY_OBJ;
fxy060608's avatar
fxy060608 已提交
439

fxy060608's avatar
fxy060608 已提交
440 441 442
  for (var _len2 = arguments.length, rawArgs = new Array(_len2 > 2 ? _len2 - 2 : 0), _key2 = 2; _key2 < _len2; _key2++) {
    rawArgs[_key2 - 2] = arguments[_key2];
  }
fxy060608's avatar
fxy060608 已提交
443

fxy060608's avatar
fxy060608 已提交
444 445
  var args = rawArgs;
  var isModelListener = event.startsWith('update:'); // for v-model update:xxx events, apply modifiers on args
fxy060608's avatar
fxy060608 已提交
446

fxy060608's avatar
fxy060608 已提交
447
  var modelArg = isModelListener && event.slice(7);
fxy060608's avatar
fxy060608 已提交
448

fxy060608's avatar
fxy060608 已提交
449 450 451 452 453 454
  if (modelArg && modelArg in props) {
    var modifiersKey = "".concat(modelArg === 'modelValue' ? 'model' : modelArg, "Modifiers");
    var {
      number,
      trim
    } = props[modifiersKey] || EMPTY_OBJ;
fxy060608's avatar
fxy060608 已提交
455

fxy060608's avatar
fxy060608 已提交
456 457 458 459 460 461
    if (trim) {
      args = rawArgs.map(a => a.trim());
    } else if (number) {
      args = rawArgs.map(toNumber);
    }
  }
fxy060608's avatar
fxy060608 已提交
462

fxy060608's avatar
fxy060608 已提交
463 464 465 466
  var handlerName;
  var handler = props[handlerName = toHandlerKey(event)] || // also try camelCase event handler (#2249)
  props[handlerName = toHandlerKey(camelize(event))]; // for v-model update:xxx events, also trigger kebab-case equivalent
  // for props passed via kebab-case
fxy060608's avatar
fxy060608 已提交
467

fxy060608's avatar
fxy060608 已提交
468 469 470
  if (!handler && isModelListener) {
    handler = props[handlerName = toHandlerKey(hyphenate(event))];
  }
fxy060608's avatar
fxy060608 已提交
471

fxy060608's avatar
fxy060608 已提交
472 473 474 475 476
  if (handler) {
    callWithAsyncErrorHandling(handler, instance, 6
    /* COMPONENT_EVENT_HANDLER */
    , args);
  }
fxy060608's avatar
fxy060608 已提交
477

fxy060608's avatar
fxy060608 已提交
478
  var onceHandler = props[handlerName + "Once"];
fxy060608's avatar
fxy060608 已提交
479

fxy060608's avatar
fxy060608 已提交
480 481 482 483 484
  if (onceHandler) {
    if (!instance.emitted) {
      instance.emitted = {};
    } else if (instance.emitted[handlerName]) {
      return;
fxy060608's avatar
fxy060608 已提交
485 486
    }

fxy060608's avatar
fxy060608 已提交
487 488 489 490 491 492
    instance.emitted[handlerName] = true;
    callWithAsyncErrorHandling(onceHandler, instance, 6
    /* COMPONENT_EVENT_HANDLER */
    , args);
  }
}
fxy060608's avatar
fxy060608 已提交
493

fxy060608's avatar
fxy060608 已提交
494 495 496 497
function normalizeEmitsOptions(comp, appContext) {
  var asMixin = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
  var cache = appContext.emitsCache;
  var cached = cache.get(comp);
fxy060608's avatar
fxy060608 已提交
498

fxy060608's avatar
fxy060608 已提交
499 500 501
  if (cached !== undefined) {
    return cached;
  }
502

fxy060608's avatar
fxy060608 已提交
503 504
  var raw = comp.emits;
  var normalized = {}; // apply mixin/extends props
fxy060608's avatar
fxy060608 已提交
505

fxy060608's avatar
fxy060608 已提交
506
  var hasExtends = false;
507

fxy060608's avatar
fxy060608 已提交
508 509 510
  if (!isFunction(comp)) {
    var extendEmits = raw => {
      var normalizedFromExtend = normalizeEmitsOptions(raw, appContext, true);
511

fxy060608's avatar
fxy060608 已提交
512 513 514
      if (normalizedFromExtend) {
        hasExtends = true;
        extend(normalized, normalizedFromExtend);
fxy060608's avatar
fxy060608 已提交
515
      }
fxy060608's avatar
fxy060608 已提交
516
    };
fxy060608's avatar
fxy060608 已提交
517

fxy060608's avatar
fxy060608 已提交
518 519 520
    if (!asMixin && appContext.mixins.length) {
      appContext.mixins.forEach(extendEmits);
    }
fxy060608's avatar
fxy060608 已提交
521

fxy060608's avatar
fxy060608 已提交
522 523 524
    if (comp.extends) {
      extendEmits(comp.extends);
    }
fxy060608's avatar
fxy060608 已提交
525

fxy060608's avatar
fxy060608 已提交
526 527 528 529
    if (comp.mixins) {
      comp.mixins.forEach(extendEmits);
    }
  }
fxy060608's avatar
fxy060608 已提交
530

fxy060608's avatar
fxy060608 已提交
531 532 533 534
  if (!raw && !hasExtends) {
    cache.set(comp, null);
    return null;
  }
fxy060608's avatar
fxy060608 已提交
535

fxy060608's avatar
fxy060608 已提交
536 537 538 539 540
  if (isArray(raw)) {
    raw.forEach(key => normalized[key] = null);
  } else {
    extend(normalized, raw);
  }
fxy060608's avatar
fxy060608 已提交
541

fxy060608's avatar
fxy060608 已提交
542 543 544 545 546
  cache.set(comp, normalized);
  return normalized;
} // Check if an incoming prop key is a declared emit event listener.
// e.g. With `emits: { click: null }`, props named `onClick` and `onclick` are
// both considered matched listeners.
fxy060608's avatar
fxy060608 已提交
547 548


fxy060608's avatar
fxy060608 已提交
549 550 551 552
function isEmitListener(options, key) {
  if (!options || !isOn(key)) {
    return false;
  }
fxy060608's avatar
fxy060608 已提交
553

fxy060608's avatar
fxy060608 已提交
554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585
  key = key.slice(2).replace(/Once$/, '');
  return hasOwn(options, key[0].toLowerCase() + key.slice(1)) || hasOwn(options, hyphenate(key)) || hasOwn(options, key);
}
/**
 * mark the current rendering instance for asset resolution (e.g.
 * resolveComponent, resolveDirective) during render
 */


var currentRenderingInstance = null;
var currentScopeId = null;
/**
 * Note: rendering calls maybe nested. The function returns the parent rendering
 * instance if present, which should be restored after the render is done:
 *
 * ```js
 * const prev = setCurrentRenderingInstance(i)
 * // ...render
 * setCurrentRenderingInstance(prev)
 * ```
 */

function setCurrentRenderingInstance(instance) {
  var prev = currentRenderingInstance;
  currentRenderingInstance = instance;
  currentScopeId = instance && instance.type.__scopeId || null;
  return prev;
}
/**
 * Set scope id when creating hoisted vnodes.
 * @private compiler helper
 */
fxy060608's avatar
fxy060608 已提交
586 587


fxy060608's avatar
fxy060608 已提交
588 589 590 591 592 593 594 595
function pushScopeId(id) {
  currentScopeId = id;
}
/**
 * Technically we no longer need this after 3.0.8 but we need to keep the same
 * API for backwards compat w/ code generated by compilers.
 * @private
 */
fxy060608's avatar
fxy060608 已提交
596 597


fxy060608's avatar
fxy060608 已提交
598 599 600 601 602 603 604
function popScopeId() {
  currentScopeId = null;
}
/**
 * Only for backwards compat
 * @private
 */
fxy060608's avatar
fxy060608 已提交
605 606


fxy060608's avatar
fxy060608 已提交
607 608 609 610 611
var withScopeId = _id => withCtx;
/**
 * Wrap a slot function to memoize current rendering instance
 * @private compiler helper
 */
fxy060608's avatar
fxy060608 已提交
612 613


fxy060608's avatar
fxy060608 已提交
614 615 616 617 618
function withCtx(fn) {
  var ctx = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : currentRenderingInstance;
  var isNonScopedSlot // false only
  = arguments.length > 2 ? arguments[2] : undefined;
  if (!ctx) return fn; // already normalized
fxy060608's avatar
fxy060608 已提交
619

fxy060608's avatar
fxy060608 已提交
620 621 622
  if (fn._n) {
    return fn;
  }
fxy060608's avatar
fxy060608 已提交
623

fxy060608's avatar
fxy060608 已提交
624 625 626 627 628 629 630 631 632
  var renderFnWithContext = function () {
    // If a user calls a compiled slot inside a template expression (#1745), it
    // can mess up block tracking, so by default we disable block tracking and
    // force bail out when invoking a compiled slot (indicated by the ._d flag).
    // This isn't necessary if rendering a compiled `<slot>`, so we flip the
    // ._d flag off when invoking the wrapped fn inside `renderSlot`.
    if (renderFnWithContext._d) {
      setBlockTracking(-1);
    }
fxy060608's avatar
fxy060608 已提交
633

fxy060608's avatar
fxy060608 已提交
634 635 636
    var prevInstance = setCurrentRenderingInstance(ctx);
    var res = fn(...arguments);
    setCurrentRenderingInstance(prevInstance);
fxy060608's avatar
fxy060608 已提交
637

fxy060608's avatar
fxy060608 已提交
638 639 640
    if (renderFnWithContext._d) {
      setBlockTracking(1);
    }
fxy060608's avatar
fxy060608 已提交
641

fxy060608's avatar
fxy060608 已提交
642 643
    return res;
  }; // mark normalized to avoid duplicated wrapping
fxy060608's avatar
fxy060608 已提交
644 645


fxy060608's avatar
fxy060608 已提交
646 647 648
  renderFnWithContext._n = true; // mark this as compiled by default
  // this is used in vnode.ts -> normalizeChildren() to set the slot
  // rendering flag.
fxy060608's avatar
fxy060608 已提交
649

fxy060608's avatar
fxy060608 已提交
650
  renderFnWithContext._c = true; // disable block tracking by default
fxy060608's avatar
fxy060608 已提交
651

fxy060608's avatar
fxy060608 已提交
652 653 654
  renderFnWithContext._d = true;
  return renderFnWithContext;
}
fxy060608's avatar
fxy060608 已提交
655

fxy060608's avatar
fxy060608 已提交
656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698
function markAttrsAccessed() {}

function renderComponentRoot(instance) {
  var {
    type: Component,
    vnode,
    proxy,
    withProxy,
    props,
    propsOptions: [propsOptions],
    slots,
    attrs,
    emit,
    render,
    renderCache,
    data,
    setupState,
    ctx,
    inheritAttrs
  } = instance;
  var result;
  var fallthroughAttrs;
  var prev = setCurrentRenderingInstance(instance);

  try {
    if (vnode.shapeFlag & 4
    /* STATEFUL_COMPONENT */
    ) {
      // withProxy is a proxy with a different `has` trap only for
      // runtime-compiled render functions using `with` block.
      var proxyToUse = withProxy || proxy;
      result = normalizeVNode(render.call(proxyToUse, proxyToUse, renderCache, props, setupState, data, ctx));
      fallthroughAttrs = attrs;
    } else {
      // functional
      var _render = Component; // in dev, mark attrs accessed if optional props (attrs === props)

      if ("production" !== 'production' && attrs === props) ;
      result = normalizeVNode(_render.length > 1 ? _render(props, "production" !== 'production' ? {
        get attrs() {
          markAttrsAccessed();
          return attrs;
        },
fxy060608's avatar
fxy060608 已提交
699

fxy060608's avatar
fxy060608 已提交
700
        slots,
fxy060608's avatar
fxy060608 已提交
701 702
        emit
      } : {
fxy060608's avatar
fxy060608 已提交
703
        attrs,
fxy060608's avatar
fxy060608 已提交
704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719
        slots,
        emit
      }) : _render(props, null
      /* we know it doesn't need it */
      ));
      fallthroughAttrs = Component.props ? attrs : getFunctionalFallthrough(attrs);
    }
  } catch (err) {
    blockStack.length = 0;
    handleError(err, instance, 1
    /* RENDER_FUNCTION */
    );
    result = createVNode(Comment);
  } // attr merging
  // in dev mode, comments are preserved, and it's possible for a template
  // to have comments along side the root element which makes it a fragment
fxy060608's avatar
fxy060608 已提交
720 721


fxy060608's avatar
fxy060608 已提交
722
  var root = result;
fxy060608's avatar
fxy060608 已提交
723

fxy060608's avatar
fxy060608 已提交
724 725 726 727 728
  if (fallthroughAttrs && inheritAttrs !== false) {
    var keys = Object.keys(fallthroughAttrs);
    var {
      shapeFlag
    } = root;
fxy060608's avatar
fxy060608 已提交
729

fxy060608's avatar
fxy060608 已提交
730 731 732 733 734 735 736 737 738 739 740 741
    if (keys.length) {
      if (shapeFlag & (1
      /* ELEMENT */
      | 6
      /* COMPONENT */
      )) {
        if (propsOptions && keys.some(isModelListener)) {
          // If a v-model listener (onUpdate:xxx) has a corresponding declared
          // prop, it indicates this component expects to handle v-model and
          // it should not fallthrough.
          // related: #1543, #1643, #1989
          fallthroughAttrs = filterModelListeners(fallthroughAttrs, propsOptions);
fxy060608's avatar
fxy060608 已提交
742
        }
fxy060608's avatar
fxy060608 已提交
743

fxy060608's avatar
fxy060608 已提交
744 745 746 747
        root = cloneVNode(root, fallthroughAttrs);
      }
    }
  } // inherit directives
fxy060608's avatar
fxy060608 已提交
748

fxy060608's avatar
fxy060608 已提交
749

fxy060608's avatar
fxy060608 已提交
750 751 752
  if (vnode.dirs) {
    root.dirs = root.dirs ? root.dirs.concat(vnode.dirs) : vnode.dirs;
  } // inherit transition data
fxy060608's avatar
fxy060608 已提交
753 754


fxy060608's avatar
fxy060608 已提交
755 756 757
  if (vnode.transition) {
    root.transition = vnode.transition;
  }
fxy060608's avatar
fxy060608 已提交
758

fxy060608's avatar
fxy060608 已提交
759 760 761 762 763 764
  {
    result = root;
  }
  setCurrentRenderingInstance(prev);
  return result;
}
fxy060608's avatar
fxy060608 已提交
765

fxy060608's avatar
fxy060608 已提交
766 767
function filterSingleRoot(children) {
  var singleRoot;
fxy060608's avatar
fxy060608 已提交
768

fxy060608's avatar
fxy060608 已提交
769 770
  for (var i = 0; i < children.length; i++) {
    var child = children[i];
fxy060608's avatar
fxy060608 已提交
771

fxy060608's avatar
fxy060608 已提交
772 773 774 775 776 777 778 779
    if (isVNode(child)) {
      // ignore user comment
      if (child.type !== Comment || child.children === 'v-if') {
        if (singleRoot) {
          // has more than 1 non-comment child, return now
          return;
        } else {
          singleRoot = child;
fxy060608's avatar
fxy060608 已提交
780
        }
fxy060608's avatar
fxy060608 已提交
781
      }
fxy060608's avatar
fxy060608 已提交
782 783 784 785
    } else {
      return;
    }
  }
fxy060608's avatar
fxy060608 已提交
786

fxy060608's avatar
fxy060608 已提交
787 788
  return singleRoot;
}
fxy060608's avatar
fxy060608 已提交
789

fxy060608's avatar
fxy060608 已提交
790 791
var getFunctionalFallthrough = attrs => {
  var res;
fxy060608's avatar
fxy060608 已提交
792

fxy060608's avatar
fxy060608 已提交
793 794 795 796 797
  for (var key in attrs) {
    if (key === 'class' || key === 'style' || isOn(key)) {
      (res || (res = {}))[key] = attrs[key];
    }
  }
fxy060608's avatar
fxy060608 已提交
798

fxy060608's avatar
fxy060608 已提交
799 800
  return res;
};
fxy060608's avatar
fxy060608 已提交
801

fxy060608's avatar
fxy060608 已提交
802 803
var filterModelListeners = (attrs, props) => {
  var res = {};
fxy060608's avatar
fxy060608 已提交
804

fxy060608's avatar
fxy060608 已提交
805 806 807 808 809
  for (var key in attrs) {
    if (!isModelListener(key) || !(key.slice(9) in props)) {
      res[key] = attrs[key];
    }
  }
fxy060608's avatar
fxy060608 已提交
810

fxy060608's avatar
fxy060608 已提交
811 812
  return res;
};
fxy060608's avatar
fxy060608 已提交
813

fxy060608's avatar
fxy060608 已提交
814 815 816 817 818 819 820 821 822 823 824 825
function shouldUpdateComponent(prevVNode, nextVNode, optimized) {
  var {
    props: prevProps,
    children: prevChildren,
    component
  } = prevVNode;
  var {
    props: nextProps,
    children: nextChildren,
    patchFlag
  } = nextVNode;
  var emits = component.emitsOptions; // force child update for runtime directive or transition on component vnode.
fxy060608's avatar
fxy060608 已提交
826

fxy060608's avatar
fxy060608 已提交
827 828 829
  if (nextVNode.dirs || nextVNode.transition) {
    return true;
  }
fxy060608's avatar
fxy060608 已提交
830

fxy060608's avatar
fxy060608 已提交
831 832 833 834 835 836 837 838
  if (optimized && patchFlag >= 0) {
    if (patchFlag & 1024
    /* DYNAMIC_SLOTS */
    ) {
      // slot content that references values that might have changed,
      // e.g. in a v-for
      return true;
    }
fxy060608's avatar
fxy060608 已提交
839

fxy060608's avatar
fxy060608 已提交
840 841 842 843 844 845
    if (patchFlag & 16
    /* FULL_PROPS */
    ) {
      if (!prevProps) {
        return !!nextProps;
      } // presence of this flag indicates props are always non-null
fxy060608's avatar
fxy060608 已提交
846 847


fxy060608's avatar
fxy060608 已提交
848 849 850 851 852
      return hasPropsChanged(prevProps, nextProps, emits);
    } else if (patchFlag & 8
    /* PROPS */
    ) {
      var dynamicProps = nextVNode.dynamicProps;
853

fxy060608's avatar
fxy060608 已提交
854 855
      for (var i = 0; i < dynamicProps.length; i++) {
        var key = dynamicProps[i];
fxy060608's avatar
fxy060608 已提交
856

fxy060608's avatar
fxy060608 已提交
857
        if (nextProps[key] !== prevProps[key] && !isEmitListener(emits, key)) {
fxy060608's avatar
fxy060608 已提交
858 859 860
          return true;
        }
      }
fxy060608's avatar
fxy060608 已提交
861
    }
fxy060608's avatar
fxy060608 已提交
862 863 864 865 866
  } else {
    // this path is only taken by manually written render functions
    // so presence of any children leads to a forced update
    if (prevChildren || nextChildren) {
      if (!nextChildren || !nextChildren.$stable) {
fxy060608's avatar
fxy060608 已提交
867
        return true;
fxy060608's avatar
fxy060608 已提交
868
      }
fxy060608's avatar
fxy060608 已提交
869
    }
fxy060608's avatar
fxy060608 已提交
870

fxy060608's avatar
fxy060608 已提交
871
    if (prevProps === nextProps) {
fxy060608's avatar
fxy060608 已提交
872
      return false;
fxy060608's avatar
fxy060608 已提交
873 874
    }

fxy060608's avatar
fxy060608 已提交
875 876 877
    if (!prevProps) {
      return !!nextProps;
    }
fxy060608's avatar
fxy060608 已提交
878

fxy060608's avatar
fxy060608 已提交
879 880
    if (!nextProps) {
      return true;
fxy060608's avatar
fxy060608 已提交
881 882
    }

fxy060608's avatar
fxy060608 已提交
883 884
    return hasPropsChanged(prevProps, nextProps, emits);
  }
fxy060608's avatar
fxy060608 已提交
885

fxy060608's avatar
fxy060608 已提交
886 887
  return false;
}
fxy060608's avatar
fxy060608 已提交
888

fxy060608's avatar
fxy060608 已提交
889 890
function hasPropsChanged(prevProps, nextProps, emitsOptions) {
  var nextKeys = Object.keys(nextProps);
fxy060608's avatar
fxy060608 已提交
891

fxy060608's avatar
fxy060608 已提交
892 893 894
  if (nextKeys.length !== Object.keys(prevProps).length) {
    return true;
  }
fxy060608's avatar
fxy060608 已提交
895

fxy060608's avatar
fxy060608 已提交
896 897
  for (var i = 0; i < nextKeys.length; i++) {
    var key = nextKeys[i];
fxy060608's avatar
fxy060608 已提交
898

fxy060608's avatar
fxy060608 已提交
899 900 901 902
    if (nextProps[key] !== prevProps[key] && !isEmitListener(emitsOptions, key)) {
      return true;
    }
  }
fxy060608's avatar
fxy060608 已提交
903

fxy060608's avatar
fxy060608 已提交
904 905
  return false;
}
fxy060608's avatar
fxy060608 已提交
906

fxy060608's avatar
fxy060608 已提交
907 908 909 910 911 912 913 914 915 916 917 918
function updateHOCHostEl(_ref4, el // HostNode
) {
  var {
    vnode,
    parent
  } = _ref4;

  while (parent && parent.subTree === vnode) {
    (vnode = parent.vnode).el = el;
    parent = parent.parent;
  }
}
fxy060608's avatar
fxy060608 已提交
919

fxy060608's avatar
fxy060608 已提交
920 921 922
var isSuspense = type => type.__isSuspense; // Suspense exposes a component-like API, and is treated like a component
// in the compiler, but internally it's a special built-in type that hooks
// directly into the renderer.
fxy060608's avatar
fxy060608 已提交
923 924


fxy060608's avatar
fxy060608 已提交
925 926 927 928 929 930 931
var SuspenseImpl = {
  name: 'Suspense',
  // In order to make Suspense tree-shakable, we need to avoid importing it
  // directly in the renderer. The renderer checks for the __isSuspense flag
  // on a vnode's type and calls the `process` method, passing in renderer
  // internals.
  __isSuspense: true,
fxy060608's avatar
fxy060608 已提交
932

fxy060608's avatar
fxy060608 已提交
933 934 935 936 937 938
  process(n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized, // platform-specific impl passed from renderer
  rendererInternals) {
    if (n1 == null) {
      mountSuspense(n2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized, rendererInternals);
    } else {
      patchSuspense(n1, n2, container, anchor, parentComponent, isSVG, slotScopeIds, optimized, rendererInternals);
fxy060608's avatar
fxy060608 已提交
939
    }
fxy060608's avatar
fxy060608 已提交
940
  },
fxy060608's avatar
fxy060608 已提交
941

fxy060608's avatar
fxy060608 已提交
942 943 944 945
  hydrate: hydrateSuspense,
  create: createSuspenseBoundary,
  normalize: normalizeSuspenseChildren
}; // Force-casted public typing for h and TSX props inference
fxy060608's avatar
fxy060608 已提交
946

fxy060608's avatar
fxy060608 已提交
947
var Suspense = SuspenseImpl;
fxy060608's avatar
fxy060608 已提交
948

fxy060608's avatar
fxy060608 已提交
949 950
function triggerEvent(vnode, name) {
  var eventListener = vnode.props && vnode.props[name];
fxy060608's avatar
fxy060608 已提交
951

fxy060608's avatar
fxy060608 已提交
952 953 954 955
  if (isFunction(eventListener)) {
    eventListener();
  }
}
fxy060608's avatar
fxy060608 已提交
956

fxy060608's avatar
fxy060608 已提交
957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982
function mountSuspense(vnode, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized, rendererInternals) {
  var {
    p: patch,
    o: {
      createElement
    }
  } = rendererInternals;
  var hiddenContainer = createElement('div');
  var suspense = vnode.suspense = createSuspenseBoundary(vnode, parentSuspense, parentComponent, container, hiddenContainer, anchor, isSVG, slotScopeIds, optimized, rendererInternals); // start mounting the content subtree in an off-dom container

  patch(null, suspense.pendingBranch = vnode.ssContent, hiddenContainer, null, parentComponent, suspense, isSVG, slotScopeIds); // now check if we have encountered any async deps

  if (suspense.deps > 0) {
    // has async
    // invoke @fallback event
    triggerEvent(vnode, 'onPending');
    triggerEvent(vnode, 'onFallback'); // mount the fallback tree

    patch(null, vnode.ssFallback, container, anchor, parentComponent, null, // fallback tree will not have suspense context
    isSVG, slotScopeIds);
    setActiveBranch(suspense, vnode.ssFallback);
  } else {
    // Suspense has no async deps. Just resolve.
    suspense.resolve();
  }
}
fxy060608's avatar
fxy060608 已提交
983

fxy060608's avatar
fxy060608 已提交
984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031
function patchSuspense(n1, n2, container, anchor, parentComponent, isSVG, slotScopeIds, optimized, _ref5) {
  var {
    p: patch,
    um: unmount,
    o: {
      createElement
    }
  } = _ref5;
  var suspense = n2.suspense = n1.suspense;
  suspense.vnode = n2;
  n2.el = n1.el;
  var newBranch = n2.ssContent;
  var newFallback = n2.ssFallback;
  var {
    activeBranch,
    pendingBranch,
    isInFallback,
    isHydrating
  } = suspense;

  if (pendingBranch) {
    suspense.pendingBranch = newBranch;

    if (isSameVNodeType(newBranch, pendingBranch)) {
      // same root type but content may have changed.
      patch(pendingBranch, newBranch, suspense.hiddenContainer, null, parentComponent, suspense, isSVG, slotScopeIds, optimized);

      if (suspense.deps <= 0) {
        suspense.resolve();
      } else if (isInFallback) {
        patch(activeBranch, newFallback, container, anchor, parentComponent, null, // fallback tree will not have suspense context
        isSVG, slotScopeIds, optimized);
        setActiveBranch(suspense, newFallback);
      }
    } else {
      // toggled before pending tree is resolved
      suspense.pendingId++;

      if (isHydrating) {
        // if toggled before hydration is finished, the current DOM tree is
        // no longer valid. set it as the active branch so it will be unmounted
        // when resolved
        suspense.isHydrating = false;
        suspense.activeBranch = pendingBranch;
      } else {
        unmount(pendingBranch, parentComponent, suspense);
      } // increment pending ID. this is used to invalidate async callbacks
      // reset suspense state
fxy060608's avatar
fxy060608 已提交
1032 1033


fxy060608's avatar
fxy060608 已提交
1034
      suspense.deps = 0; // discard effects from pending branch
fxy060608's avatar
fxy060608 已提交
1035

fxy060608's avatar
fxy060608 已提交
1036
      suspense.effects.length = 0; // discard previous container
fxy060608's avatar
fxy060608 已提交
1037

fxy060608's avatar
fxy060608 已提交
1038
      suspense.hiddenContainer = createElement('div');
fxy060608's avatar
fxy060608 已提交
1039

fxy060608's avatar
fxy060608 已提交
1040 1041 1042
      if (isInFallback) {
        // already in fallback state
        patch(null, newBranch, suspense.hiddenContainer, null, parentComponent, suspense, isSVG, slotScopeIds, optimized);
fxy060608's avatar
fxy060608 已提交
1043

fxy060608's avatar
fxy060608 已提交
1044 1045 1046 1047 1048 1049
        if (suspense.deps <= 0) {
          suspense.resolve();
        } else {
          patch(activeBranch, newFallback, container, anchor, parentComponent, null, // fallback tree will not have suspense context
          isSVG, slotScopeIds, optimized);
          setActiveBranch(suspense, newFallback);
fxy060608's avatar
fxy060608 已提交
1050
        }
fxy060608's avatar
fxy060608 已提交
1051 1052 1053 1054 1055
      } else if (activeBranch && isSameVNodeType(newBranch, activeBranch)) {
        // toggled "back" to current active branch
        patch(activeBranch, newBranch, container, anchor, parentComponent, suspense, isSVG, slotScopeIds, optimized); // force resolve

        suspense.resolve(true);
fxy060608's avatar
fxy060608 已提交
1056
      } else {
fxy060608's avatar
fxy060608 已提交
1057 1058
        // switched to a 3rd branch
        patch(null, newBranch, suspense.hiddenContainer, null, parentComponent, suspense, isSVG, slotScopeIds, optimized);
fxy060608's avatar
fxy060608 已提交
1059

fxy060608's avatar
fxy060608 已提交
1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073
        if (suspense.deps <= 0) {
          suspense.resolve();
        }
      }
    }
  } else {
    if (activeBranch && isSameVNodeType(newBranch, activeBranch)) {
      // root did not change, just normal patch
      patch(activeBranch, newBranch, container, anchor, parentComponent, suspense, isSVG, slotScopeIds, optimized);
      setActiveBranch(suspense, newBranch);
    } else {
      // root node toggled
      // invoke @pending event
      triggerEvent(n2, 'onPending'); // mount pending branch in off-dom container
fxy060608's avatar
fxy060608 已提交
1074

fxy060608's avatar
fxy060608 已提交
1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090
      suspense.pendingBranch = newBranch;
      suspense.pendingId++;
      patch(null, newBranch, suspense.hiddenContainer, null, parentComponent, suspense, isSVG, slotScopeIds, optimized);

      if (suspense.deps <= 0) {
        // incoming branch has no async deps, resolve now.
        suspense.resolve();
      } else {
        var {
          timeout,
          pendingId
        } = suspense;

        if (timeout > 0) {
          setTimeout(() => {
            if (suspense.pendingId === pendingId) {
fxy060608's avatar
fxy060608 已提交
1091 1092
              suspense.fallback(newFallback);
            }
fxy060608's avatar
fxy060608 已提交
1093 1094 1095
          }, timeout);
        } else if (timeout === 0) {
          suspense.fallback(newFallback);
fxy060608's avatar
fxy060608 已提交
1096 1097
        }
      }
fxy060608's avatar
fxy060608 已提交
1098
    }
fxy060608's avatar
fxy060608 已提交
1099 1100
  }
}
fxy060608's avatar
fxy060608 已提交
1101

fxy060608's avatar
fxy060608 已提交
1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134
function createSuspenseBoundary(vnode, parent, parentComponent, container, hiddenContainer, anchor, isSVG, slotScopeIds, optimized, rendererInternals) {
  var isHydrating = arguments.length > 10 && arguments[10] !== undefined ? arguments[10] : false;
  var {
    p: patch,
    m: move,
    um: unmount,
    n: next,
    o: {
      parentNode,
      remove
    }
  } = rendererInternals;
  var timeout = toNumber(vnode.props && vnode.props.timeout);
  var suspense = {
    vnode,
    parent,
    parentComponent,
    isSVG,
    container,
    hiddenContainer,
    anchor,
    deps: 0,
    pendingId: 0,
    timeout: typeof timeout === 'number' ? timeout : -1,
    activeBranch: null,
    pendingBranch: null,
    isInFallback: true,
    isHydrating,
    isUnmounted: false,
    effects: [],

    resolve() {
      var resume = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
fxy060608's avatar
fxy060608 已提交
1135 1136
      var {
        vnode,
fxy060608's avatar
fxy060608 已提交
1137 1138 1139 1140
        activeBranch,
        pendingBranch,
        pendingId,
        effects,
fxy060608's avatar
fxy060608 已提交
1141
        parentComponent,
fxy060608's avatar
fxy060608 已提交
1142 1143
        container
      } = suspense;
fxy060608's avatar
fxy060608 已提交
1144

fxy060608's avatar
fxy060608 已提交
1145 1146 1147 1148 1149 1150 1151 1152
      if (suspense.isHydrating) {
        suspense.isHydrating = false;
      } else if (!resume) {
        var delayEnter = activeBranch && pendingBranch.transition && pendingBranch.transition.mode === 'out-in';

        if (delayEnter) {
          activeBranch.transition.afterLeave = () => {
            if (pendingId === suspense.pendingId) {
fxy060608's avatar
fxy060608 已提交
1153 1154 1155 1156
              move(pendingBranch, container, _anchor, 0
              /* ENTER */
              );
            }
fxy060608's avatar
fxy060608 已提交
1157 1158
          };
        } // this is initial anchor on mount
fxy060608's avatar
fxy060608 已提交
1159

fxy060608's avatar
fxy060608 已提交
1160

fxy060608's avatar
fxy060608 已提交
1161 1162 1163
        var {
          anchor: _anchor
        } = suspense; // unmount current active tree
fxy060608's avatar
fxy060608 已提交
1164

fxy060608's avatar
fxy060608 已提交
1165 1166 1167 1168 1169 1170
        if (activeBranch) {
          // if the fallback tree was mounted, it may have been moved
          // as part of a parent suspense. get the latest anchor for insertion
          _anchor = next(activeBranch);
          unmount(activeBranch, parentComponent, suspense, true);
        }
fxy060608's avatar
fxy060608 已提交
1171

fxy060608's avatar
fxy060608 已提交
1172 1173 1174 1175 1176 1177 1178
        if (!delayEnter) {
          // move content from off-dom container to actual container
          move(pendingBranch, container, _anchor, 0
          /* ENTER */
          );
        }
      }
fxy060608's avatar
fxy060608 已提交
1179

fxy060608's avatar
fxy060608 已提交
1180 1181 1182 1183
      setActiveBranch(suspense, pendingBranch);
      suspense.pendingBranch = null;
      suspense.isInFallback = false; // flush buffered effects
      // check if there is a pending parent suspense
fxy060608's avatar
fxy060608 已提交
1184

fxy060608's avatar
fxy060608 已提交
1185 1186
      var parent = suspense.parent;
      var hasUnresolvedAncestor = false;
fxy060608's avatar
fxy060608 已提交
1187

fxy060608's avatar
fxy060608 已提交
1188 1189 1190 1191 1192 1193 1194 1195
      while (parent) {
        if (parent.pendingBranch) {
          // found a pending parent suspense, merge buffered post jobs
          // into that parent
          parent.effects.push(...effects);
          hasUnresolvedAncestor = true;
          break;
        }
fxy060608's avatar
fxy060608 已提交
1196

fxy060608's avatar
fxy060608 已提交
1197 1198
        parent = parent.parent;
      } // no pending parent suspense, flush all jobs
fxy060608's avatar
fxy060608 已提交
1199 1200


fxy060608's avatar
fxy060608 已提交
1201 1202 1203
      if (!hasUnresolvedAncestor) {
        queuePostFlushCb(effects);
      }
fxy060608's avatar
fxy060608 已提交
1204

fxy060608's avatar
fxy060608 已提交
1205
      suspense.effects = []; // invoke @resolve event
fxy060608's avatar
fxy060608 已提交
1206

fxy060608's avatar
fxy060608 已提交
1207 1208
      triggerEvent(vnode, 'onResolve');
    },
fxy060608's avatar
fxy060608 已提交
1209

fxy060608's avatar
fxy060608 已提交
1210 1211 1212 1213
    fallback(fallbackVNode) {
      if (!suspense.pendingBranch) {
        return;
      }
fxy060608's avatar
fxy060608 已提交
1214

fxy060608's avatar
fxy060608 已提交
1215 1216 1217 1218 1219 1220 1221
      var {
        vnode,
        activeBranch,
        parentComponent,
        container,
        isSVG
      } = suspense; // invoke @fallback event
fxy060608's avatar
fxy060608 已提交
1222

fxy060608's avatar
fxy060608 已提交
1223 1224
      triggerEvent(vnode, 'onFallback');
      var anchor = next(activeBranch);
fxy060608's avatar
fxy060608 已提交
1225

fxy060608's avatar
fxy060608 已提交
1226 1227 1228 1229
      var mountFallback = () => {
        if (!suspense.isInFallback) {
          return;
        } // mount the fallback tree
fxy060608's avatar
fxy060608 已提交
1230 1231


fxy060608's avatar
fxy060608 已提交
1232 1233 1234 1235
        patch(null, fallbackVNode, container, anchor, parentComponent, null, // fallback tree will not have suspense context
        isSVG, slotScopeIds, optimized);
        setActiveBranch(suspense, fallbackVNode);
      };
fxy060608's avatar
fxy060608 已提交
1236

fxy060608's avatar
fxy060608 已提交
1237
      var delayEnter = fallbackVNode.transition && fallbackVNode.transition.mode === 'out-in';
fxy060608's avatar
fxy060608 已提交
1238

fxy060608's avatar
fxy060608 已提交
1239 1240 1241
      if (delayEnter) {
        activeBranch.transition.afterLeave = mountFallback;
      }
fxy060608's avatar
fxy060608 已提交
1242

fxy060608's avatar
fxy060608 已提交
1243
      suspense.isInFallback = true; // unmount current active branch
fxy060608's avatar
fxy060608 已提交
1244

fxy060608's avatar
fxy060608 已提交
1245 1246 1247
      unmount(activeBranch, parentComponent, null, // no suspense so unmount hooks fire now
      true // shouldRemove
      );
fxy060608's avatar
fxy060608 已提交
1248

fxy060608's avatar
fxy060608 已提交
1249 1250 1251 1252
      if (!delayEnter) {
        mountFallback();
      }
    },
fxy060608's avatar
fxy060608 已提交
1253

fxy060608's avatar
fxy060608 已提交
1254 1255 1256 1257
    move(container, anchor, type) {
      suspense.activeBranch && move(suspense.activeBranch, container, anchor, type);
      suspense.container = container;
    },
fxy060608's avatar
fxy060608 已提交
1258

fxy060608's avatar
fxy060608 已提交
1259 1260 1261
    next() {
      return suspense.activeBranch && next(suspense.activeBranch);
    },
fxy060608's avatar
fxy060608 已提交
1262

fxy060608's avatar
fxy060608 已提交
1263 1264
    registerDep(instance, setupRenderEffect) {
      var isInPendingSuspense = !!suspense.pendingBranch;
fxy060608's avatar
fxy060608 已提交
1265

fxy060608's avatar
fxy060608 已提交
1266 1267 1268
      if (isInPendingSuspense) {
        suspense.deps++;
      }
fxy060608's avatar
fxy060608 已提交
1269

fxy060608's avatar
fxy060608 已提交
1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280
      var hydratedEl = instance.vnode.el;
      instance.asyncDep.catch(err => {
        handleError(err, instance, 0
        /* SETUP_FUNCTION */
        );
      }).then(asyncSetupResult => {
        // retry when the setup() promise resolves.
        // component may have been unmounted before resolve.
        if (instance.isUnmounted || suspense.isUnmounted || suspense.pendingId !== instance.suspenseId) {
          return;
        } // retry from this component
fxy060608's avatar
fxy060608 已提交
1281 1282


fxy060608's avatar
fxy060608 已提交
1283 1284 1285 1286 1287
        instance.asyncResolved = true;
        var {
          vnode
        } = instance;
        handleSetupResult(instance, asyncSetupResult, false);
fxy060608's avatar
fxy060608 已提交
1288

fxy060608's avatar
fxy060608 已提交
1289 1290 1291 1292
        if (hydratedEl) {
          // vnode may have been replaced if an update happened before the
          // async dep is resolved.
          vnode.el = hydratedEl;
fxy060608's avatar
fxy060608 已提交
1293
        }
fxy060608's avatar
fxy060608 已提交
1294

fxy060608's avatar
fxy060608 已提交
1295 1296 1297 1298 1299 1300 1301
        var placeholder = !hydratedEl && instance.subTree.el;
        setupRenderEffect(instance, vnode, // component may have been moved before resolve.
        // if this is not a hydration, instance.subTree will be the comment
        // placeholder.
        parentNode(hydratedEl || instance.subTree.el), // anchor will not be used if this is hydration, so only need to
        // consider the comment placeholder case.
        hydratedEl ? null : next(instance.subTree), suspense, isSVG, optimized);
fxy060608's avatar
fxy060608 已提交
1302

fxy060608's avatar
fxy060608 已提交
1303 1304
        if (placeholder) {
          remove(placeholder);
fxy060608's avatar
fxy060608 已提交
1305
        }
fxy060608's avatar
fxy060608 已提交
1306

fxy060608's avatar
fxy060608 已提交
1307
        updateHOCHostEl(instance, vnode.el); // only decrease deps count if suspense is not already resolved
fxy060608's avatar
fxy060608 已提交
1308

fxy060608's avatar
fxy060608 已提交
1309 1310
        if (isInPendingSuspense && --suspense.deps === 0) {
          suspense.resolve();
fxy060608's avatar
fxy060608 已提交
1311
        }
fxy060608's avatar
fxy060608 已提交
1312 1313
      });
    },
fxy060608's avatar
fxy060608 已提交
1314

fxy060608's avatar
fxy060608 已提交
1315 1316
    unmount(parentSuspense, doRemove) {
      suspense.isUnmounted = true;
fxy060608's avatar
fxy060608 已提交
1317

fxy060608's avatar
fxy060608 已提交
1318 1319
      if (suspense.activeBranch) {
        unmount(suspense.activeBranch, parentComponent, parentSuspense, doRemove);
fxy060608's avatar
fxy060608 已提交
1320 1321
      }

fxy060608's avatar
fxy060608 已提交
1322 1323
      if (suspense.pendingBranch) {
        unmount(suspense.pendingBranch, parentComponent, parentSuspense, doRemove);
fxy060608's avatar
fxy060608 已提交
1324
      }
fxy060608's avatar
fxy060608 已提交
1325 1326
    }

fxy060608's avatar
fxy060608 已提交
1327 1328 1329
  };
  return suspense;
}
fxy060608's avatar
fxy060608 已提交
1330

fxy060608's avatar
fxy060608 已提交
1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350
function hydrateSuspense(node, vnode, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized, rendererInternals, hydrateNode) {
  /* eslint-disable no-restricted-globals */
  var suspense = vnode.suspense = createSuspenseBoundary(vnode, parentSuspense, parentComponent, node.parentNode, document.createElement('div'), null, isSVG, slotScopeIds, optimized, rendererInternals, true
  /* hydrating */
  ); // there are two possible scenarios for server-rendered suspense:
  // - success: ssr content should be fully resolved
  // - failure: ssr content should be the fallback branch.
  // however, on the client we don't really know if it has failed or not
  // attempt to hydrate the DOM assuming it has succeeded, but we still
  // need to construct a suspense boundary first

  var result = hydrateNode(node, suspense.pendingBranch = vnode.ssContent, parentComponent, suspense, slotScopeIds, optimized);

  if (suspense.deps === 0) {
    suspense.resolve();
  }

  return result;
  /* eslint-enable no-restricted-globals */
}
fxy060608's avatar
fxy060608 已提交
1351

fxy060608's avatar
fxy060608 已提交
1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362
function normalizeSuspenseChildren(vnode) {
  var {
    shapeFlag,
    children
  } = vnode;
  var isSlotChildren = shapeFlag & 32
  /* SLOTS_CHILDREN */
  ;
  vnode.ssContent = normalizeSuspenseSlot(isSlotChildren ? children.default : children);
  vnode.ssFallback = isSlotChildren ? normalizeSuspenseSlot(children.fallback) : createVNode(Comment);
}
fxy060608's avatar
fxy060608 已提交
1363

fxy060608's avatar
fxy060608 已提交
1364 1365
function normalizeSuspenseSlot(s) {
  var block;
fxy060608's avatar
fxy060608 已提交
1366

fxy060608's avatar
fxy060608 已提交
1367 1368
  if (isFunction(s)) {
    var trackBlock = isBlockTreeEnabled && s._c;
1369

fxy060608's avatar
fxy060608 已提交
1370 1371 1372 1373 1374 1375
    if (trackBlock) {
      // disableTracking: false
      // allow block tracking for compiled slots
      // (see ./componentRenderContext.ts)
      s._d = false;
      openBlock();
fxy060608's avatar
fxy060608 已提交
1376
    }
1377

fxy060608's avatar
fxy060608 已提交
1378
    s = s();
fxy060608's avatar
fxy060608 已提交
1379

fxy060608's avatar
fxy060608 已提交
1380 1381 1382 1383
    if (trackBlock) {
      s._d = true;
      block = currentBlock;
      closeBlock();
fxy060608's avatar
fxy060608 已提交
1384
    }
fxy060608's avatar
fxy060608 已提交
1385
  }
fxy060608's avatar
fxy060608 已提交
1386

fxy060608's avatar
fxy060608 已提交
1387 1388 1389 1390
  if (isArray(s)) {
    var singleChild = filterSingleRoot(s);
    s = singleChild;
  }
fxy060608's avatar
fxy060608 已提交
1391

fxy060608's avatar
fxy060608 已提交
1392
  s = normalizeVNode(s);
fxy060608's avatar
fxy060608 已提交
1393

fxy060608's avatar
fxy060608 已提交
1394 1395 1396
  if (block && !s.dynamicChildren) {
    s.dynamicChildren = block.filter(c => c !== s);
  }
fxy060608's avatar
fxy060608 已提交
1397

fxy060608's avatar
fxy060608 已提交
1398 1399
  return s;
}
fxy060608's avatar
fxy060608 已提交
1400

fxy060608's avatar
fxy060608 已提交
1401 1402 1403 1404 1405 1406
function queueEffectWithSuspense(fn, suspense) {
  if (suspense && suspense.pendingBranch) {
    if (isArray(fn)) {
      suspense.effects.push(...fn);
    } else {
      suspense.effects.push(fn);
fxy060608's avatar
fxy060608 已提交
1407
    }
fxy060608's avatar
fxy060608 已提交
1408 1409 1410 1411
  } else {
    queuePostFlushCb(fn);
  }
}
fxy060608's avatar
fxy060608 已提交
1412

fxy060608's avatar
fxy060608 已提交
1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426
function setActiveBranch(suspense, branch) {
  suspense.activeBranch = branch;
  var {
    vnode,
    parentComponent
  } = suspense;
  var el = vnode.el = branch.el; // in case suspense is the root node of a component,
  // recursively update the HOC el

  if (parentComponent && parentComponent.subTree === vnode) {
    parentComponent.vnode.el = el;
    updateHOCHostEl(parentComponent, el);
  }
}
fxy060608's avatar
fxy060608 已提交
1427

fxy060608's avatar
fxy060608 已提交
1428 1429 1430 1431 1432 1433 1434
function provide(key, value) {
  if (!currentInstance) ;else {
    var provides = currentInstance.provides; // by default an instance inherits its parent's provides object
    // but when it needs to provide values of its own, it creates its
    // own provides object using parent provides object as prototype.
    // this way in `inject` we can simply look up injections from direct
    // parent and let the prototype chain do the work.
fxy060608's avatar
fxy060608 已提交
1435

fxy060608's avatar
fxy060608 已提交
1436
    var parentProvides = currentInstance.parent && currentInstance.parent.provides;
fxy060608's avatar
fxy060608 已提交
1437

fxy060608's avatar
fxy060608 已提交
1438 1439 1440
    if (parentProvides === provides) {
      provides = currentInstance.provides = Object.create(parentProvides);
    } // TS doesn't allow symbol as index type
fxy060608's avatar
fxy060608 已提交
1441 1442


fxy060608's avatar
fxy060608 已提交
1443 1444 1445
    provides[key] = value;
  }
}
fxy060608's avatar
fxy060608 已提交
1446

fxy060608's avatar
fxy060608 已提交
1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471
function inject(key, defaultValue) {
  var treatDefaultAsFactory = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
  // fallback to `currentRenderingInstance` so that this can be called in
  // a functional component
  var instance = currentInstance || currentRenderingInstance;

  if (instance) {
    // #2400
    // to support `app.use` plugins,
    // fallback to appContext's `provides` if the instance is at root
    var provides = instance.parent == null ? instance.vnode.appContext && instance.vnode.appContext.provides : instance.parent.provides;

    if (provides && key in provides) {
      // TS doesn't allow symbol as index type
      return provides[key];
    } else if (arguments.length > 1) {
      return treatDefaultAsFactory && isFunction(defaultValue) ? defaultValue.call(instance.proxy) : defaultValue;
    } else ;
  }
} // Simple effect.


function watchEffect(effect, options) {
  return doWatch(effect, null, options);
}
fxy060608's avatar
fxy060608 已提交
1472

fxy060608's avatar
fxy060608 已提交
1473 1474 1475 1476 1477
function watchPostEffect(effect, options) {
  return doWatch(effect, null, {
    flush: 'post'
  });
}
fxy060608's avatar
fxy060608 已提交
1478

fxy060608's avatar
fxy060608 已提交
1479 1480 1481 1482 1483
function watchSyncEffect(effect, options) {
  return doWatch(effect, null, {
    flush: 'sync'
  });
} // initial value for watchers to trigger on undefined initial values
fxy060608's avatar
fxy060608 已提交
1484 1485


fxy060608's avatar
fxy060608 已提交
1486
var INITIAL_WATCHER_VALUE = {}; // implementation
fxy060608's avatar
fxy060608 已提交
1487

fxy060608's avatar
fxy060608 已提交
1488 1489 1490
function watch(source, cb, options) {
  return doWatch(source, cb, options);
}
fxy060608's avatar
fxy060608 已提交
1491

fxy060608's avatar
fxy060608 已提交
1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537
function doWatch(source, cb) {
  var {
    immediate,
    deep,
    flush,
    onTrack,
    onTrigger
  } = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : EMPTY_OBJ;
  var instance = currentInstance;
  var getter;
  var forceTrigger = false;
  var isMultiSource = false;

  if (isRef(source)) {
    getter = () => source.value;

    forceTrigger = isShallow(source);
  } else if (isReactive(source)) {
    getter = () => source;

    deep = true;
  } else if (isArray(source)) {
    isMultiSource = true;
    forceTrigger = source.some(isReactive);

    getter = () => source.map(s => {
      if (isRef(s)) {
        return s.value;
      } else if (isReactive(s)) {
        return traverse(s);
      } else if (isFunction(s)) {
        return callWithErrorHandling(s, instance, 2
        /* WATCH_GETTER */
        );
      } else ;
    });
  } else if (isFunction(source)) {
    if (cb) {
      // getter with cb
      getter = () => callWithErrorHandling(source, instance, 2
      /* WATCH_GETTER */
      );
    } else {
      // no cb -> simple effect
      getter = () => {
        if (instance && instance.isUnmounted) {
fxy060608's avatar
fxy060608 已提交
1538 1539
          return;
        }
fxy060608's avatar
fxy060608 已提交
1540

fxy060608's avatar
fxy060608 已提交
1541 1542
        if (cleanup) {
          cleanup();
fxy060608's avatar
fxy060608 已提交
1543
        }
fxy060608's avatar
fxy060608 已提交
1544

fxy060608's avatar
fxy060608 已提交
1545 1546 1547 1548 1549 1550 1551 1552
        return callWithAsyncErrorHandling(source, instance, 3
        /* WATCH_CALLBACK */
        , [onCleanup]);
      };
    }
  } else {
    getter = NOOP;
  }
fxy060608's avatar
fxy060608 已提交
1553

fxy060608's avatar
fxy060608 已提交
1554 1555
  if (cb && deep) {
    var baseGetter = getter;
fxy060608's avatar
fxy060608 已提交
1556

fxy060608's avatar
fxy060608 已提交
1557 1558
    getter = () => traverse(baseGetter());
  }
fxy060608's avatar
fxy060608 已提交
1559

fxy060608's avatar
fxy060608 已提交
1560
  var cleanup;
fxy060608's avatar
fxy060608 已提交
1561

fxy060608's avatar
fxy060608 已提交
1562 1563 1564 1565 1566 1567 1568 1569
  var onCleanup = fn => {
    cleanup = effect.onStop = () => {
      callWithErrorHandling(fn, instance, 4
      /* WATCH_CLEANUP */
      );
    };
  }; // in SSR there is no need to setup an actual effect, and it should be noop
  // unless it's eager
fxy060608's avatar
fxy060608 已提交
1570 1571


fxy060608's avatar
fxy060608 已提交
1572 1573 1574
  if (isInSSRComponentSetup) {
    // we will also not call the invalidate callback (+ runner is not set up)
    onCleanup = NOOP;
fxy060608's avatar
fxy060608 已提交
1575

fxy060608's avatar
fxy060608 已提交
1576 1577 1578 1579 1580 1581 1582
    if (!cb) {
      getter();
    } else if (immediate) {
      callWithAsyncErrorHandling(cb, instance, 3
      /* WATCH_CALLBACK */
      , [getter(), isMultiSource ? [] : undefined, onCleanup]);
    }
fxy060608's avatar
fxy060608 已提交
1583

fxy060608's avatar
fxy060608 已提交
1584 1585
    return NOOP;
  }
fxy060608's avatar
fxy060608 已提交
1586

fxy060608's avatar
fxy060608 已提交
1587
  var oldValue = isMultiSource ? [] : INITIAL_WATCHER_VALUE;
fxy060608's avatar
fxy060608 已提交
1588

fxy060608's avatar
fxy060608 已提交
1589 1590 1591
  var job = () => {
    if (!effect.active) {
      return;
1592
    }
fxy060608's avatar
fxy060608 已提交
1593

fxy060608's avatar
fxy060608 已提交
1594 1595 1596
    if (cb) {
      // watch(source, cb)
      var newValue = effect.run();
fxy060608's avatar
fxy060608 已提交
1597

fxy060608's avatar
fxy060608 已提交
1598 1599 1600 1601
      if (deep || forceTrigger || (isMultiSource ? newValue.some((v, i) => hasChanged(v, oldValue[i])) : hasChanged(newValue, oldValue)) || false) {
        // cleanup before running cb again
        if (cleanup) {
          cleanup();
fxy060608's avatar
fxy060608 已提交
1602
        }
fxy060608's avatar
fxy060608 已提交
1603

fxy060608's avatar
fxy060608 已提交
1604 1605 1606 1607 1608 1609 1610 1611 1612
        callWithAsyncErrorHandling(cb, instance, 3
        /* WATCH_CALLBACK */
        , [newValue, // pass undefined as the old value when it's changed for the first time
        oldValue === INITIAL_WATCHER_VALUE ? undefined : oldValue, onCleanup]);
        oldValue = newValue;
      }
    } else {
      // watchEffect
      effect.run();
fxy060608's avatar
fxy060608 已提交
1613
    }
fxy060608's avatar
fxy060608 已提交
1614 1615
  }; // important: mark the job as a watcher callback so that scheduler knows
  // it is allowed to self-trigger (#1727)
fxy060608's avatar
fxy060608 已提交
1616

fxy060608's avatar
fxy060608 已提交
1617

fxy060608's avatar
fxy060608 已提交
1618 1619
  job.allowRecurse = !!cb;
  var scheduler;
fxy060608's avatar
fxy060608 已提交
1620

fxy060608's avatar
fxy060608 已提交
1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633
  if (flush === 'sync') {
    scheduler = job; // the scheduler function gets called directly
  } else if (flush === 'post') {
    scheduler = () => queuePostRenderEffect(job, instance && instance.suspense);
  } else {
    // default: 'pre'
    scheduler = () => {
      if (!instance || instance.isMounted) {
        queuePreFlushCb(job);
      } else {
        // with 'pre' option, the first call must happen before
        // the component is mounted so it is called synchronously.
        job();
fxy060608's avatar
fxy060608 已提交
1634
      }
fxy060608's avatar
fxy060608 已提交
1635 1636
    };
  }
fxy060608's avatar
fxy060608 已提交
1637

fxy060608's avatar
fxy060608 已提交
1638
  var effect = new ReactiveEffect(getter, scheduler); // initial run
fxy060608's avatar
fxy060608 已提交
1639

fxy060608's avatar
fxy060608 已提交
1640 1641 1642 1643 1644
  if (cb) {
    if (immediate) {
      job();
    } else {
      oldValue = effect.run();
1645
    }
fxy060608's avatar
fxy060608 已提交
1646 1647 1648 1649 1650
  } else if (flush === 'post') {
    queuePostRenderEffect(effect.run.bind(effect), instance && instance.suspense);
  } else {
    effect.run();
  }
fxy060608's avatar
fxy060608 已提交
1651

fxy060608's avatar
fxy060608 已提交
1652 1653
  return () => {
    effect.stop();
fxy060608's avatar
fxy060608 已提交
1654

fxy060608's avatar
fxy060608 已提交
1655 1656 1657 1658 1659
    if (instance && instance.scope) {
      remove(instance.scope.effects, effect);
    }
  };
} // this.$watch
fxy060608's avatar
fxy060608 已提交
1660 1661


fxy060608's avatar
fxy060608 已提交
1662 1663 1664 1665
function instanceWatch(source, value, options) {
  var publicThis = this.proxy;
  var getter = isString(source) ? source.includes('.') ? createPathGetter(publicThis, source) : () => publicThis[source] : source.bind(publicThis, publicThis);
  var cb;
fxy060608's avatar
fxy060608 已提交
1666

fxy060608's avatar
fxy060608 已提交
1667 1668 1669 1670 1671 1672
  if (isFunction(value)) {
    cb = value;
  } else {
    cb = value.handler;
    options = value;
  }
fxy060608's avatar
fxy060608 已提交
1673

fxy060608's avatar
fxy060608 已提交
1674 1675 1676
  var cur = currentInstance;
  setCurrentInstance(this);
  var res = doWatch(getter, cb.bind(publicThis), options);
fxy060608's avatar
fxy060608 已提交
1677

fxy060608's avatar
fxy060608 已提交
1678 1679 1680 1681 1682
  if (cur) {
    setCurrentInstance(cur);
  } else {
    unsetCurrentInstance();
  }
fxy060608's avatar
fxy060608 已提交
1683

fxy060608's avatar
fxy060608 已提交
1684 1685
  return res;
}
fxy060608's avatar
fxy060608 已提交
1686

fxy060608's avatar
fxy060608 已提交
1687 1688 1689 1690
function createPathGetter(ctx, path) {
  var segments = path.split('.');
  return () => {
    var cur = ctx;
fxy060608's avatar
fxy060608 已提交
1691

fxy060608's avatar
fxy060608 已提交
1692 1693 1694
    for (var i = 0; i < segments.length && cur; i++) {
      cur = cur[segments[i]];
    }
fxy060608's avatar
fxy060608 已提交
1695

fxy060608's avatar
fxy060608 已提交
1696 1697 1698
    return cur;
  };
}
fxy060608's avatar
fxy060608 已提交
1699

fxy060608's avatar
fxy060608 已提交
1700 1701 1702 1703 1704 1705
function traverse(value, seen) {
  if (!isObject(value) || value["__v_skip"
  /* SKIP */
  ]) {
    return value;
  }
fxy060608's avatar
fxy060608 已提交
1706

fxy060608's avatar
fxy060608 已提交
1707
  seen = seen || new Set();
fxy060608's avatar
fxy060608 已提交
1708

fxy060608's avatar
fxy060608 已提交
1709 1710 1711
  if (seen.has(value)) {
    return value;
  }
fxy060608's avatar
fxy060608 已提交
1712

fxy060608's avatar
fxy060608 已提交
1713
  seen.add(value);
fxy060608's avatar
fxy060608 已提交
1714

fxy060608's avatar
fxy060608 已提交
1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729
  if (isRef(value)) {
    traverse(value.value, seen);
  } else if (isArray(value)) {
    for (var i = 0; i < value.length; i++) {
      traverse(value[i], seen);
    }
  } else if (isSet(value) || isMap(value)) {
    value.forEach(v => {
      traverse(v, seen);
    });
  } else if (isPlainObject(value)) {
    for (var key in value) {
      traverse(value[key], seen);
    }
  }
fxy060608's avatar
fxy060608 已提交
1730

fxy060608's avatar
fxy060608 已提交
1731 1732
  return value;
}
fxy060608's avatar
fxy060608 已提交
1733

fxy060608's avatar
fxy060608 已提交
1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748
function useTransitionState() {
  var state = {
    isMounted: false,
    isLeaving: false,
    isUnmounting: false,
    leavingVNodes: new Map()
  };
  onMounted(() => {
    state.isMounted = true;
  });
  onBeforeUnmount(() => {
    state.isUnmounting = true;
  });
  return state;
}
fxy060608's avatar
fxy060608 已提交
1749

fxy060608's avatar
fxy060608 已提交
1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787
var TransitionHookValidator = [Function, Array];
var BaseTransitionImpl = {
  name: "BaseTransition",
  props: {
    mode: String,
    appear: Boolean,
    persisted: Boolean,
    // enter
    onBeforeEnter: TransitionHookValidator,
    onEnter: TransitionHookValidator,
    onAfterEnter: TransitionHookValidator,
    onEnterCancelled: TransitionHookValidator,
    // leave
    onBeforeLeave: TransitionHookValidator,
    onLeave: TransitionHookValidator,
    onAfterLeave: TransitionHookValidator,
    onLeaveCancelled: TransitionHookValidator,
    // appear
    onBeforeAppear: TransitionHookValidator,
    onAppear: TransitionHookValidator,
    onAfterAppear: TransitionHookValidator,
    onAppearCancelled: TransitionHookValidator
  },

  setup(props, _ref6) {
    var {
      slots
    } = _ref6;
    var instance = getCurrentInstance();
    var state = useTransitionState();
    var prevTransitionKey;
    return () => {
      var children = slots.default && getTransitionRawChildren(slots.default(), true);

      if (!children || !children.length) {
        return;
      } // there's no need to track reactivity for these props so use the raw
      // props for a bit better perf
fxy060608's avatar
fxy060608 已提交
1788 1789


fxy060608's avatar
fxy060608 已提交
1790
      var rawProps = toRaw(props);
fxy060608's avatar
fxy060608 已提交
1791
      var {
fxy060608's avatar
fxy060608 已提交
1792 1793
        mode
      } = rawProps; // at this point children has a guaranteed length of 1.
fxy060608's avatar
fxy060608 已提交
1794

fxy060608's avatar
fxy060608 已提交
1795
      var child = children[0];
fxy060608's avatar
fxy060608 已提交
1796

fxy060608's avatar
fxy060608 已提交
1797 1798 1799 1800
      if (state.isLeaving) {
        return emptyPlaceholder(child);
      } // in the case of <transition><keep-alive/></transition>, we need to
      // compare the type of the kept-alive children.
fxy060608's avatar
fxy060608 已提交
1801

1802

fxy060608's avatar
fxy060608 已提交
1803
      var innerChild = getKeepAliveChild(child);
fxy060608's avatar
fxy060608 已提交
1804

fxy060608's avatar
fxy060608 已提交
1805 1806 1807
      if (!innerChild) {
        return emptyPlaceholder(child);
      }
fxy060608's avatar
fxy060608 已提交
1808

fxy060608's avatar
fxy060608 已提交
1809 1810 1811 1812 1813 1814 1815 1816
      var enterHooks = resolveTransitionHooks(innerChild, rawProps, state, instance);
      setTransitionHooks(innerChild, enterHooks);
      var oldChild = instance.subTree;
      var oldInnerChild = oldChild && getKeepAliveChild(oldChild);
      var transitionKeyChanged = false;
      var {
        getTransitionKey
      } = innerChild.type;
fxy060608's avatar
fxy060608 已提交
1817

fxy060608's avatar
fxy060608 已提交
1818 1819
      if (getTransitionKey) {
        var key = getTransitionKey();
fxy060608's avatar
fxy060608 已提交
1820

fxy060608's avatar
fxy060608 已提交
1821 1822 1823 1824 1825 1826 1827
        if (prevTransitionKey === undefined) {
          prevTransitionKey = key;
        } else if (key !== prevTransitionKey) {
          prevTransitionKey = key;
          transitionKeyChanged = true;
        }
      } // handle mode
fxy060608's avatar
fxy060608 已提交
1828 1829


fxy060608's avatar
fxy060608 已提交
1830 1831
      if (oldInnerChild && oldInnerChild.type !== Comment && (!isSameVNodeType(innerChild, oldInnerChild) || transitionKeyChanged)) {
        var leavingHooks = resolveTransitionHooks(oldInnerChild, rawProps, state, instance); // update old tree's hooks in case of dynamic transition
fxy060608's avatar
fxy060608 已提交
1832

fxy060608's avatar
fxy060608 已提交
1833
        setTransitionHooks(oldInnerChild, leavingHooks); // switching between different views
fxy060608's avatar
fxy060608 已提交
1834

fxy060608's avatar
fxy060608 已提交
1835 1836
        if (mode === 'out-in') {
          state.isLeaving = true; // return placeholder node and queue update when leave finishes
fxy060608's avatar
fxy060608 已提交
1837

fxy060608's avatar
fxy060608 已提交
1838 1839 1840 1841
          leavingHooks.afterLeave = () => {
            state.isLeaving = false;
            instance.update();
          };
fxy060608's avatar
fxy060608 已提交
1842

fxy060608's avatar
fxy060608 已提交
1843 1844 1845 1846 1847
          return emptyPlaceholder(child);
        } else if (mode === 'in-out' && innerChild.type !== Comment) {
          leavingHooks.delayLeave = (el, earlyRemove, delayedLeave) => {
            var leavingVNodesCache = getLeavingNodesForType(state, oldInnerChild);
            leavingVNodesCache[String(oldInnerChild.key)] = oldInnerChild; // early removal callback
fxy060608's avatar
fxy060608 已提交
1848

fxy060608's avatar
fxy060608 已提交
1849 1850 1851 1852 1853
            el._leaveCb = () => {
              earlyRemove();
              el._leaveCb = undefined;
              delete enterHooks.delayedLeave;
            };
fxy060608's avatar
fxy060608 已提交
1854

fxy060608's avatar
fxy060608 已提交
1855 1856 1857 1858
            enterHooks.delayedLeave = delayedLeave;
          };
        }
      }
fxy060608's avatar
fxy060608 已提交
1859

fxy060608's avatar
fxy060608 已提交
1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925
      return child;
    };
  }

}; // export the public type for h/tsx inference
// also to avoid inline import() in generated d.ts files

var BaseTransition = BaseTransitionImpl;

function getLeavingNodesForType(state, vnode) {
  var {
    leavingVNodes
  } = state;
  var leavingVNodesCache = leavingVNodes.get(vnode.type);

  if (!leavingVNodesCache) {
    leavingVNodesCache = Object.create(null);
    leavingVNodes.set(vnode.type, leavingVNodesCache);
  }

  return leavingVNodesCache;
} // The transition hooks are attached to the vnode as vnode.transition
// and will be called at appropriate timing in the renderer.


function resolveTransitionHooks(vnode, props, state, instance) {
  var {
    appear,
    mode,
    persisted = false,
    onBeforeEnter,
    onEnter,
    onAfterEnter,
    onEnterCancelled,
    onBeforeLeave,
    onLeave,
    onAfterLeave,
    onLeaveCancelled,
    onBeforeAppear,
    onAppear,
    onAfterAppear,
    onAppearCancelled
  } = props;
  var key = String(vnode.key);
  var leavingVNodesCache = getLeavingNodesForType(state, vnode);

  var callHook = (hook, args) => {
    hook && callWithAsyncErrorHandling(hook, instance, 9
    /* TRANSITION_HOOK */
    , args);
  };

  var hooks = {
    mode,
    persisted,

    beforeEnter(el) {
      var hook = onBeforeEnter;

      if (!state.isMounted) {
        if (appear) {
          hook = onBeforeAppear || onBeforeEnter;
        } else {
          return;
        }
      } // for same element (v-show)
fxy060608's avatar
fxy060608 已提交
1926 1927


fxy060608's avatar
fxy060608 已提交
1928 1929 1930 1931 1932
      if (el._leaveCb) {
        el._leaveCb(true
        /* cancelled */
        );
      } // for toggled element with same key (v-if)
fxy060608's avatar
fxy060608 已提交
1933

fxy060608's avatar
fxy060608 已提交
1934

fxy060608's avatar
fxy060608 已提交
1935
      var leavingVNode = leavingVNodesCache[key];
fxy060608's avatar
fxy060608 已提交
1936

fxy060608's avatar
fxy060608 已提交
1937 1938 1939 1940
      if (leavingVNode && isSameVNodeType(vnode, leavingVNode) && leavingVNode.el._leaveCb) {
        // force early removal (not cancelled)
        leavingVNode.el._leaveCb();
      }
fxy060608's avatar
fxy060608 已提交
1941

fxy060608's avatar
fxy060608 已提交
1942 1943
      callHook(hook, [el]);
    },
fxy060608's avatar
fxy060608 已提交
1944

fxy060608's avatar
fxy060608 已提交
1945 1946 1947 1948
    enter(el) {
      var hook = onEnter;
      var afterHook = onAfterEnter;
      var cancelHook = onEnterCancelled;
fxy060608's avatar
fxy060608 已提交
1949

fxy060608's avatar
fxy060608 已提交
1950 1951 1952 1953 1954 1955 1956 1957 1958
      if (!state.isMounted) {
        if (appear) {
          hook = onAppear || onEnter;
          afterHook = onAfterAppear || onAfterEnter;
          cancelHook = onAppearCancelled || onEnterCancelled;
        } else {
          return;
        }
      }
fxy060608's avatar
fxy060608 已提交
1959

fxy060608's avatar
fxy060608 已提交
1960
      var called = false;
fxy060608's avatar
fxy060608 已提交
1961

fxy060608's avatar
fxy060608 已提交
1962 1963 1964
      var done = el._enterCb = cancelled => {
        if (called) return;
        called = true;
fxy060608's avatar
fxy060608 已提交
1965

fxy060608's avatar
fxy060608 已提交
1966 1967 1968 1969 1970
        if (cancelled) {
          callHook(cancelHook, [el]);
        } else {
          callHook(afterHook, [el]);
        }
fxy060608's avatar
fxy060608 已提交
1971

fxy060608's avatar
fxy060608 已提交
1972 1973 1974
        if (hooks.delayedLeave) {
          hooks.delayedLeave();
        }
fxy060608's avatar
fxy060608 已提交
1975

fxy060608's avatar
fxy060608 已提交
1976 1977
        el._enterCb = undefined;
      };
fxy060608's avatar
fxy060608 已提交
1978

fxy060608's avatar
fxy060608 已提交
1979 1980
      if (hook) {
        hook(el, done);
fxy060608's avatar
fxy060608 已提交
1981

fxy060608's avatar
fxy060608 已提交
1982 1983 1984 1985 1986 1987 1988
        if (hook.length <= 1) {
          done();
        }
      } else {
        done();
      }
    },
fxy060608's avatar
fxy060608 已提交
1989

fxy060608's avatar
fxy060608 已提交
1990 1991
    leave(el, remove) {
      var key = String(vnode.key);
fxy060608's avatar
fxy060608 已提交
1992

fxy060608's avatar
fxy060608 已提交
1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004
      if (el._enterCb) {
        el._enterCb(true
        /* cancelled */
        );
      }

      if (state.isUnmounting) {
        return remove();
      }

      callHook(onBeforeLeave, [el]);
      var called = false;
fxy060608's avatar
fxy060608 已提交
2005

fxy060608's avatar
fxy060608 已提交
2006 2007 2008 2009 2010 2011 2012 2013 2014
      var done = el._leaveCb = cancelled => {
        if (called) return;
        called = true;
        remove();

        if (cancelled) {
          callHook(onLeaveCancelled, [el]);
        } else {
          callHook(onAfterLeave, [el]);
fxy060608's avatar
fxy060608 已提交
2015
        }
fxy060608's avatar
fxy060608 已提交
2016

fxy060608's avatar
fxy060608 已提交
2017
        el._leaveCb = undefined;
fxy060608's avatar
fxy060608 已提交
2018

fxy060608's avatar
fxy060608 已提交
2019 2020 2021 2022
        if (leavingVNodesCache[key] === vnode) {
          delete leavingVNodesCache[key];
        }
      };
fxy060608's avatar
fxy060608 已提交
2023

fxy060608's avatar
fxy060608 已提交
2024
      leavingVNodesCache[key] = vnode;
fxy060608's avatar
fxy060608 已提交
2025

fxy060608's avatar
fxy060608 已提交
2026 2027
      if (onLeave) {
        onLeave(el, done);
fxy060608's avatar
fxy060608 已提交
2028

fxy060608's avatar
fxy060608 已提交
2029 2030 2031
        if (onLeave.length <= 1) {
          done();
        }
fxy060608's avatar
fxy060608 已提交
2032
      } else {
fxy060608's avatar
fxy060608 已提交
2033
        done();
2034
      }
fxy060608's avatar
fxy060608 已提交
2035 2036 2037 2038
    },

    clone(vnode) {
      return resolveTransitionHooks(vnode, props, state, instance);
fxy060608's avatar
fxy060608 已提交
2039 2040
    }

fxy060608's avatar
fxy060608 已提交
2041 2042 2043 2044 2045 2046
  };
  return hooks;
} // the placeholder really only handles one special case: KeepAlive
// in the case of a KeepAlive in a leave phase we need to return a KeepAlive
// placeholder with empty content to avoid the KeepAlive instance from being
// unmounted.
fxy060608's avatar
fxy060608 已提交
2047 2048


fxy060608's avatar
fxy060608 已提交
2049 2050 2051 2052 2053 2054 2055
function emptyPlaceholder(vnode) {
  if (isKeepAlive(vnode)) {
    vnode = cloneVNode(vnode);
    vnode.children = null;
    return vnode;
  }
}
fxy060608's avatar
fxy060608 已提交
2056

fxy060608's avatar
fxy060608 已提交
2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074
function getKeepAliveChild(vnode) {
  return isKeepAlive(vnode) ? vnode.children ? vnode.children[0] : undefined : vnode;
}

function setTransitionHooks(vnode, hooks) {
  if (vnode.shapeFlag & 6
  /* COMPONENT */
  && vnode.component) {
    setTransitionHooks(vnode.component.subTree, hooks);
  } else if (vnode.shapeFlag & 128
  /* SUSPENSE */
  ) {
    vnode.ssContent.transition = hooks.clone(vnode.ssContent);
    vnode.ssFallback.transition = hooks.clone(vnode.ssFallback);
  } else {
    vnode.transition = hooks;
  }
}
fxy060608's avatar
fxy060608 已提交
2075

fxy060608's avatar
fxy060608 已提交
2076 2077 2078 2079
function getTransitionRawChildren(children) {
  var keepComment = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
  var ret = [];
  var keyedFragmentCount = 0;
fxy060608's avatar
fxy060608 已提交
2080

fxy060608's avatar
fxy060608 已提交
2081 2082
  for (var i = 0; i < children.length; i++) {
    var child = children[i]; // handle fragment children case, e.g. v-for
fxy060608's avatar
fxy060608 已提交
2083

fxy060608's avatar
fxy060608 已提交
2084 2085 2086 2087 2088 2089 2090 2091
    if (child.type === Fragment) {
      if (child.patchFlag & 128
      /* KEYED_FRAGMENT */
      ) keyedFragmentCount++;
      ret = ret.concat(getTransitionRawChildren(child.children, keepComment));
    } // comment placeholders should be skipped, e.g. v-if
    else if (keepComment || child.type !== Comment) {
      ret.push(child);
fxy060608's avatar
fxy060608 已提交
2092
    }
fxy060608's avatar
fxy060608 已提交
2093 2094 2095 2096
  } // #1126 if a transition children list contains multiple sub fragments, these
  // fragments will be merged into a flat children array. Since each v-for
  // fragment may contain different static bindings inside, we need to de-op
  // these children to force full diffs to ensure correct behavior.
fxy060608's avatar
fxy060608 已提交
2097 2098


fxy060608's avatar
fxy060608 已提交
2099 2100 2101 2102 2103 2104 2105
  if (keyedFragmentCount > 1) {
    for (var _i = 0; _i < ret.length; _i++) {
      ret[_i].patchFlag = -2
      /* BAIL */
      ;
    }
  }
fxy060608's avatar
fxy060608 已提交
2106

fxy060608's avatar
fxy060608 已提交
2107 2108
  return ret;
} // implementation, close to no-op
fxy060608's avatar
fxy060608 已提交
2109 2110


fxy060608's avatar
fxy060608 已提交
2111 2112 2113 2114 2115 2116
function defineComponent(options) {
  return isFunction(options) ? {
    setup: options,
    name: options.name
  } : options;
}
fxy060608's avatar
fxy060608 已提交
2117

fxy060608's avatar
fxy060608 已提交
2118
var isAsyncWrapper = i => !!i.type.__asyncLoader;
fxy060608's avatar
fxy060608 已提交
2119

fxy060608's avatar
fxy060608 已提交
2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166
function defineAsyncComponent(source) {
  if (isFunction(source)) {
    source = {
      loader: source
    };
  }

  var {
    loader,
    loadingComponent,
    errorComponent,
    delay = 200,
    timeout,
    // undefined = never times out
    suspensible = true,
    onError: userOnError
  } = source;
  var pendingRequest = null;
  var resolvedComp;
  var retries = 0;

  var retry = () => {
    retries++;
    pendingRequest = null;
    return load();
  };

  var load = () => {
    var thisRequest;
    return pendingRequest || (thisRequest = pendingRequest = loader().catch(err => {
      err = err instanceof Error ? err : new Error(String(err));

      if (userOnError) {
        return new Promise((resolve, reject) => {
          var userRetry = () => resolve(retry());

          var userFail = () => reject(err);

          userOnError(err, userRetry, userFail, retries + 1);
        });
      } else {
        throw err;
      }
    }).then(comp => {
      if (thisRequest !== pendingRequest && pendingRequest) {
        return pendingRequest;
      } // interop module default
fxy060608's avatar
fxy060608 已提交
2167 2168


fxy060608's avatar
fxy060608 已提交
2169 2170 2171
      if (comp && (comp.__esModule || comp[Symbol.toStringTag] === 'Module')) {
        comp = comp.default;
      }
fxy060608's avatar
fxy060608 已提交
2172

fxy060608's avatar
fxy060608 已提交
2173 2174 2175 2176
      resolvedComp = comp;
      return comp;
    }));
  };
fxy060608's avatar
fxy060608 已提交
2177

fxy060608's avatar
fxy060608 已提交
2178 2179 2180
  return defineComponent({
    name: 'AsyncComponentWrapper',
    __asyncLoader: load,
fxy060608's avatar
fxy060608 已提交
2181

fxy060608's avatar
fxy060608 已提交
2182 2183 2184
    get __asyncResolved() {
      return resolvedComp;
    },
fxy060608's avatar
fxy060608 已提交
2185

fxy060608's avatar
fxy060608 已提交
2186 2187
    setup() {
      var instance = currentInstance; // already resolved
fxy060608's avatar
fxy060608 已提交
2188

fxy060608's avatar
fxy060608 已提交
2189 2190 2191
      if (resolvedComp) {
        return () => createInnerComp(resolvedComp, instance);
      }
fxy060608's avatar
fxy060608 已提交
2192

fxy060608's avatar
fxy060608 已提交
2193 2194 2195 2196 2197 2198 2199 2200
      var onError = err => {
        pendingRequest = null;
        handleError(err, instance, 13
        /* ASYNC_COMPONENT_LOADER */
        , !errorComponent
        /* do not throw in dev if user provided error component */
        );
      }; // suspense-controlled or SSR.
fxy060608's avatar
fxy060608 已提交
2201 2202


fxy060608's avatar
fxy060608 已提交
2203 2204 2205 2206 2207 2208 2209 2210 2211 2212
      if (suspensible && instance.suspense || isInSSRComponentSetup) {
        return load().then(comp => {
          return () => createInnerComp(comp, instance);
        }).catch(err => {
          onError(err);
          return () => errorComponent ? createVNode(errorComponent, {
            error: err
          }) : null;
        });
      }
fxy060608's avatar
fxy060608 已提交
2213

fxy060608's avatar
fxy060608 已提交
2214 2215 2216
      var loaded = ref(false);
      var error = ref();
      var delayed = ref(!!delay);
fxy060608's avatar
fxy060608 已提交
2217

fxy060608's avatar
fxy060608 已提交
2218 2219 2220 2221 2222
      if (delay) {
        setTimeout(() => {
          delayed.value = false;
        }, delay);
      }
fxy060608's avatar
fxy060608 已提交
2223

fxy060608's avatar
fxy060608 已提交
2224 2225 2226 2227
      if (timeout != null) {
        setTimeout(() => {
          if (!loaded.value && !error.value) {
            var err = new Error("Async component timed out after ".concat(timeout, "ms."));
fxy060608's avatar
fxy060608 已提交
2228 2229
            onError(err);
            error.value = err;
fxy060608's avatar
fxy060608 已提交
2230 2231 2232 2233 2234 2235
          }
        }, timeout);
      }

      load().then(() => {
        loaded.value = true;
fxy060608's avatar
fxy060608 已提交
2236

fxy060608's avatar
fxy060608 已提交
2237 2238 2239 2240 2241 2242 2243 2244
        if (instance.parent && isKeepAlive(instance.parent.vnode)) {
          // parent is keep-alive, force update so the loaded component's
          // name is taken into account
          queueJob(instance.parent.update);
        }
      }).catch(err => {
        onError(err);
        error.value = err;
fxy060608's avatar
fxy060608 已提交
2245
      });
fxy060608's avatar
fxy060608 已提交
2246 2247 2248 2249 2250 2251 2252 2253 2254 2255 2256
      return () => {
        if (loaded.value && resolvedComp) {
          return createInnerComp(resolvedComp, instance);
        } else if (error.value && errorComponent) {
          return createVNode(errorComponent, {
            error: error.value
          });
        } else if (loadingComponent && !delayed.value) {
          return createVNode(loadingComponent);
        }
      };
fxy060608's avatar
fxy060608 已提交
2257
    }
2258

fxy060608's avatar
fxy060608 已提交
2259 2260
  });
}
fxy060608's avatar
fxy060608 已提交
2261

fxy060608's avatar
fxy060608 已提交
2262 2263 2264 2265 2266 2267
function createInnerComp(comp, _ref7) {
  var {
    vnode: {
      ref,
      props,
      children
fxy060608's avatar
fxy060608 已提交
2268
    }
fxy060608's avatar
fxy060608 已提交
2269 2270
  } = _ref7;
  var vnode = createVNode(comp, props, children); // ensure inner component inherits the async wrapper's ref owner
fxy060608's avatar
fxy060608 已提交
2271

fxy060608's avatar
fxy060608 已提交
2272 2273 2274
  vnode.ref = ref;
  return vnode;
}
fxy060608's avatar
fxy060608 已提交
2275

fxy060608's avatar
fxy060608 已提交
2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 2312 2313 2314 2315 2316 2317
var isKeepAlive = vnode => vnode.type.__isKeepAlive;

var KeepAliveImpl = {
  name: "KeepAlive",
  // Marker for special handling inside the renderer. We are not using a ===
  // check directly on KeepAlive in the renderer, because importing it directly
  // would prevent it from being tree-shaken.
  __isKeepAlive: true,
  props: {
    include: [String, RegExp, Array],
    exclude: [String, RegExp, Array],
    max: [String, Number]
  },

  setup(props, _ref8) {
    var {
      slots
    } = _ref8;
    var instance = getCurrentInstance(); // KeepAlive communicates with the instantiated renderer via the
    // ctx where the renderer passes in its internals,
    // and the KeepAlive instance exposes activate/deactivate implementations.
    // The whole point of this is to avoid importing KeepAlive directly in the
    // renderer to facilitate tree-shaking.

    var sharedContext = instance.ctx; // if the internal renderer is not registered, it indicates that this is server-side rendering,
    // for KeepAlive, we just need to render its children

    if (!sharedContext.renderer) {
      return slots.default;
    }

    var cache = new Map();
    var keys = new Set();
    var current = null;
    var parentSuspense = instance.suspense;
    var {
      renderer: {
        p: patch,
        m: move,
        um: _unmount,
        o: {
          createElement
fxy060608's avatar
fxy060608 已提交
2318
        }
fxy060608's avatar
fxy060608 已提交
2319 2320 2321
      }
    } = sharedContext;
    var storageContainer = createElement('div');
fxy060608's avatar
fxy060608 已提交
2322

fxy060608's avatar
fxy060608 已提交
2323 2324 2325 2326 2327
    sharedContext.activate = (vnode, container, anchor, isSVG, optimized) => {
      var instance = vnode.component;
      move(vnode, container, anchor, 0
      /* ENTER */
      , parentSuspense); // in case props have changed
fxy060608's avatar
fxy060608 已提交
2328

fxy060608's avatar
fxy060608 已提交
2329 2330 2331
      patch(instance.vnode, vnode, container, anchor, instance, parentSuspense, isSVG, vnode.slotScopeIds, optimized);
      queuePostRenderEffect(() => {
        instance.isDeactivated = false;
fxy060608's avatar
fxy060608 已提交
2332

fxy060608's avatar
fxy060608 已提交
2333 2334 2335
        if (instance.a) {
          invokeArrayFns(instance.a);
        }
fxy060608's avatar
fxy060608 已提交
2336

fxy060608's avatar
fxy060608 已提交
2337
        var vnodeHook = vnode.props && vnode.props.onVnodeMounted;
fxy060608's avatar
fxy060608 已提交
2338

fxy060608's avatar
fxy060608 已提交
2339 2340 2341 2342 2343
        if (vnodeHook) {
          invokeVNodeHook(vnodeHook, instance.parent, vnode);
        }
      }, parentSuspense);
    };
fxy060608's avatar
fxy060608 已提交
2344

fxy060608's avatar
fxy060608 已提交
2345 2346 2347 2348 2349 2350 2351 2352 2353
    sharedContext.deactivate = vnode => {
      var instance = vnode.component;
      move(vnode, storageContainer, null, 1
      /* LEAVE */
      , parentSuspense);
      queuePostRenderEffect(() => {
        if (instance.da) {
          invokeArrayFns(instance.da);
        }
fxy060608's avatar
fxy060608 已提交
2354

fxy060608's avatar
fxy060608 已提交
2355
        var vnodeHook = vnode.props && vnode.props.onVnodeUnmounted;
fxy060608's avatar
fxy060608 已提交
2356

fxy060608's avatar
fxy060608 已提交
2357 2358
        if (vnodeHook) {
          invokeVNodeHook(vnodeHook, instance.parent, vnode);
2359
        }
fxy060608's avatar
fxy060608 已提交
2360

fxy060608's avatar
fxy060608 已提交
2361 2362 2363
        instance.isDeactivated = true;
      }, parentSuspense);
    };
2364

fxy060608's avatar
fxy060608 已提交
2365 2366 2367
    function unmount(vnode) {
      // reset the shapeFlag so it can be properly unmounted
      resetShapeFlag(vnode);
2368

fxy060608's avatar
fxy060608 已提交
2369 2370
      _unmount(vnode, instance, parentSuspense, true);
    }
2371

fxy060608's avatar
fxy060608 已提交
2372 2373 2374
    function pruneCache(filter) {
      cache.forEach((vnode, key) => {
        var name = getComponentName(vnode.type);
fxy060608's avatar
fxy060608 已提交
2375

fxy060608's avatar
fxy060608 已提交
2376 2377 2378 2379 2380
        if (name && (!filter || !filter(name))) {
          pruneCacheEntry(key);
        }
      });
    }
fxy060608's avatar
fxy060608 已提交
2381

fxy060608's avatar
fxy060608 已提交
2382 2383
    function pruneCacheEntry(key) {
      var cached = cache.get(key);
fxy060608's avatar
fxy060608 已提交
2384

fxy060608's avatar
fxy060608 已提交
2385 2386 2387 2388 2389 2390 2391
      if (!current || cached.type !== current.type) {
        unmount(cached);
      } else if (current) {
        // current active instance should no longer be kept-alive.
        // we can't unmount it now but it might be later, so reset its flag now.
        resetShapeFlag(current);
      }
2392

fxy060608's avatar
fxy060608 已提交
2393 2394 2395
      cache.delete(key);
      keys.delete(key);
    } // prune cache on include/exclude prop change
fxy060608's avatar
fxy060608 已提交
2396

2397

fxy060608's avatar
fxy060608 已提交
2398 2399 2400 2401 2402 2403 2404 2405 2406
    watch(() => [props.include, props.exclude], _ref9 => {
      var [include, exclude] = _ref9;
      include && pruneCache(name => matches(include, name));
      exclude && pruneCache(name => !matches(exclude, name));
    }, // prune post-render after `current` has been updated
    {
      flush: 'post',
      deep: true
    }); // cache sub tree after render
2407

fxy060608's avatar
fxy060608 已提交
2408
    var pendingCacheKey = null;
fxy060608's avatar
fxy060608 已提交
2409

fxy060608's avatar
fxy060608 已提交
2410 2411 2412 2413 2414 2415
    var cacheSubtree = () => {
      // fix #1621, the pendingCacheKey could be 0
      if (pendingCacheKey != null) {
        cache.set(pendingCacheKey, getInnerChild(instance.subTree));
      }
    };
2416

fxy060608's avatar
fxy060608 已提交
2417 2418 2419 2420 2421 2422 2423 2424 2425
    onMounted(cacheSubtree);
    onUpdated(cacheSubtree);
    onBeforeUnmount(() => {
      cache.forEach(cached => {
        var {
          subTree,
          suspense
        } = instance;
        var vnode = getInnerChild(subTree);
fxy060608's avatar
fxy060608 已提交
2426

fxy060608's avatar
fxy060608 已提交
2427 2428 2429
        if (cached.type === vnode.type) {
          // current instance will be unmounted as part of keep-alive's unmount
          resetShapeFlag(vnode); // but invoke its deactivated hook here
fxy060608's avatar
fxy060608 已提交
2430

fxy060608's avatar
fxy060608 已提交
2431 2432 2433 2434
          var da = vnode.component.da;
          da && queuePostRenderEffect(da, suspense);
          return;
        }
fxy060608's avatar
fxy060608 已提交
2435

fxy060608's avatar
fxy060608 已提交
2436 2437 2438 2439 2440
        unmount(cached);
      });
    });
    return () => {
      pendingCacheKey = null;
fxy060608's avatar
fxy060608 已提交
2441

fxy060608's avatar
fxy060608 已提交
2442 2443 2444
      if (!slots.default) {
        return null;
      }
fxy060608's avatar
fxy060608 已提交
2445

fxy060608's avatar
fxy060608 已提交
2446 2447
      var children = slots.default();
      var rawVNode = children[0];
fxy060608's avatar
fxy060608 已提交
2448

fxy060608's avatar
fxy060608 已提交
2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 2459
      if (children.length > 1) {
        current = null;
        return children;
      } else if (!isVNode(rawVNode) || !(rawVNode.shapeFlag & 4
      /* STATEFUL_COMPONENT */
      ) && !(rawVNode.shapeFlag & 128
      /* SUSPENSE */
      )) {
        current = null;
        return rawVNode;
      }
fxy060608's avatar
fxy060608 已提交
2460

fxy060608's avatar
fxy060608 已提交
2461 2462 2463
      var vnode = getInnerChild(rawVNode);
      var comp = vnode.type; // for async components, name check should be based in its loaded
      // inner component if available
fxy060608's avatar
fxy060608 已提交
2464

fxy060608's avatar
fxy060608 已提交
2465 2466 2467 2468 2469 2470
      var name = getComponentName(isAsyncWrapper(vnode) ? vnode.type.__asyncResolved || {} : comp);
      var {
        include,
        exclude,
        max
      } = props;
fxy060608's avatar
fxy060608 已提交
2471

fxy060608's avatar
fxy060608 已提交
2472 2473 2474 2475
      if (include && (!name || !matches(include, name)) || exclude && name && matches(exclude, name)) {
        current = vnode;
        return rawVNode;
      }
fxy060608's avatar
fxy060608 已提交
2476

fxy060608's avatar
fxy060608 已提交
2477 2478
      var key = vnode.key == null ? comp : vnode.key;
      var cachedVNode = cache.get(key); // clone vnode if it's reused because we are going to mutate it
fxy060608's avatar
fxy060608 已提交
2479

fxy060608's avatar
fxy060608 已提交
2480 2481
      if (vnode.el) {
        vnode = cloneVNode(vnode);
fxy060608's avatar
fxy060608 已提交
2482

fxy060608's avatar
fxy060608 已提交
2483 2484 2485 2486 2487 2488 2489 2490 2491 2492
        if (rawVNode.shapeFlag & 128
        /* SUSPENSE */
        ) {
          rawVNode.ssContent = vnode;
        }
      } // #1513 it's possible for the returned vnode to be cloned due to attr
      // fallthrough or scopeId, so the vnode here may not be the final vnode
      // that is mounted. Instead of caching it directly, we store the pending
      // key and cache `instance.subTree` (the normalized vnode) in
      // beforeMount/beforeUpdate hooks.
fxy060608's avatar
fxy060608 已提交
2493 2494


fxy060608's avatar
fxy060608 已提交
2495
      pendingCacheKey = key;
fxy060608's avatar
fxy060608 已提交
2496

fxy060608's avatar
fxy060608 已提交
2497 2498 2499 2500
      if (cachedVNode) {
        // copy over mounted state
        vnode.el = cachedVNode.el;
        vnode.component = cachedVNode.component;
fxy060608's avatar
fxy060608 已提交
2501

fxy060608's avatar
fxy060608 已提交
2502 2503 2504 2505
        if (vnode.transition) {
          // recursively update transition hooks on subTree
          setTransitionHooks(vnode, vnode.transition);
        } // avoid vnode being mounted as fresh
fxy060608's avatar
fxy060608 已提交
2506 2507


fxy060608's avatar
fxy060608 已提交
2508 2509 2510
        vnode.shapeFlag |= 512
        /* COMPONENT_KEPT_ALIVE */
        ; // make this key the freshest
fxy060608's avatar
fxy060608 已提交
2511

fxy060608's avatar
fxy060608 已提交
2512 2513 2514 2515
        keys.delete(key);
        keys.add(key);
      } else {
        keys.add(key); // prune oldest entry
fxy060608's avatar
fxy060608 已提交
2516

fxy060608's avatar
fxy060608 已提交
2517 2518 2519 2520
        if (max && keys.size > parseInt(max, 10)) {
          pruneCacheEntry(keys.values().next().value);
        }
      } // avoid vnode being unmounted
fxy060608's avatar
fxy060608 已提交
2521 2522


fxy060608's avatar
fxy060608 已提交
2523 2524 2525 2526 2527 2528 2529
      vnode.shapeFlag |= 256
      /* COMPONENT_SHOULD_KEEP_ALIVE */
      ;
      current = vnode;
      return rawVNode;
    };
  }
fxy060608's avatar
fxy060608 已提交
2530

fxy060608's avatar
fxy060608 已提交
2531 2532
}; // export the public type for h/tsx inference
// also to avoid inline import() in generated d.ts files
fxy060608's avatar
fxy060608 已提交
2533

fxy060608's avatar
fxy060608 已提交
2534
var KeepAlive = KeepAliveImpl;
fxy060608's avatar
fxy060608 已提交
2535

fxy060608's avatar
fxy060608 已提交
2536 2537 2538 2539 2540 2541 2542 2543 2544
function matches(pattern, name) {
  if (isArray(pattern)) {
    return pattern.some(p => matches(p, name));
  } else if (isString(pattern)) {
    return pattern.split(',').includes(name);
  } else if (pattern.test) {
    return pattern.test(name);
  }
  /* istanbul ignore next */
fxy060608's avatar
fxy060608 已提交
2545

2546

fxy060608's avatar
fxy060608 已提交
2547 2548
  return false;
}
fxy060608's avatar
fxy060608 已提交
2549

fxy060608's avatar
fxy060608 已提交
2550 2551 2552 2553 2554
function onActivated(hook, target) {
  registerKeepAliveHook(hook, "a"
  /* ACTIVATED */
  , target);
}
fxy060608's avatar
fxy060608 已提交
2555

fxy060608's avatar
fxy060608 已提交
2556 2557 2558 2559 2560
function onDeactivated(hook, target) {
  registerKeepAliveHook(hook, "da"
  /* DEACTIVATED */
  , target);
}
fxy060608's avatar
fxy060608 已提交
2561

fxy060608's avatar
fxy060608 已提交
2562 2563
function registerKeepAliveHook(hook, type) {
  var target = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : currentInstance;
fxy060608's avatar
fxy060608 已提交
2564

fxy060608's avatar
fxy060608 已提交
2565 2566 2567 2568 2569 2570
  // cache the deactivate branch check wrapper for injected hooks so the same
  // hook can be properly deduped by the scheduler. "__wdc" stands for "with
  // deactivation check".
  var wrappedHook = hook.__wdc || (hook.__wdc = () => {
    // only fire the hook if the target instance is NOT in a deactivated branch.
    var current = target;
fxy060608's avatar
fxy060608 已提交
2571

fxy060608's avatar
fxy060608 已提交
2572 2573 2574
    while (current) {
      if (current.isDeactivated) {
        return;
fxy060608's avatar
fxy060608 已提交
2575 2576
      }

fxy060608's avatar
fxy060608 已提交
2577
      current = current.parent;
2578
    }
fxy060608's avatar
fxy060608 已提交
2579

fxy060608's avatar
fxy060608 已提交
2580 2581
    return hook();
  });
fxy060608's avatar
fxy060608 已提交
2582

fxy060608's avatar
fxy060608 已提交
2583 2584 2585 2586 2587
  injectHook(type, wrappedHook, target); // In addition to registering it on the target instance, we walk up the parent
  // chain and register it on all ancestor instances that are keep-alive roots.
  // This avoids the need to walk the entire component tree when invoking these
  // hooks, and more importantly, avoids the need to track child components in
  // arrays.
fxy060608's avatar
fxy060608 已提交
2588

fxy060608's avatar
fxy060608 已提交
2589 2590
  if (target) {
    var current = target.parent;
fxy060608's avatar
fxy060608 已提交
2591

fxy060608's avatar
fxy060608 已提交
2592 2593 2594 2595
    while (current && current.parent) {
      if (isKeepAlive(current.parent.vnode)) {
        injectToKeepAliveRoot(wrappedHook, type, target, current);
      }
fxy060608's avatar
fxy060608 已提交
2596

fxy060608's avatar
fxy060608 已提交
2597
      current = current.parent;
2598
    }
fxy060608's avatar
fxy060608 已提交
2599 2600
  }
}
fxy060608's avatar
fxy060608 已提交
2601

fxy060608's avatar
fxy060608 已提交
2602 2603 2604 2605 2606 2607 2608 2609 2610 2611
function injectToKeepAliveRoot(hook, type, target, keepAliveRoot) {
  // injectHook wraps the original for error handling, so make sure to remove
  // the wrapped version.
  var injected = injectHook(type, hook, keepAliveRoot, true
  /* prepend */
  );
  onUnmounted(() => {
    remove(keepAliveRoot[type], injected);
  }, target);
}
fxy060608's avatar
fxy060608 已提交
2612

fxy060608's avatar
fxy060608 已提交
2613 2614 2615 2616 2617 2618 2619 2620 2621 2622 2623 2624 2625 2626 2627 2628 2629 2630 2631 2632 2633
function resetShapeFlag(vnode) {
  var shapeFlag = vnode.shapeFlag;

  if (shapeFlag & 256
  /* COMPONENT_SHOULD_KEEP_ALIVE */
  ) {
    shapeFlag -= 256
    /* COMPONENT_SHOULD_KEEP_ALIVE */
    ;
  }

  if (shapeFlag & 512
  /* COMPONENT_KEPT_ALIVE */
  ) {
    shapeFlag -= 512
    /* COMPONENT_KEPT_ALIVE */
    ;
  }

  vnode.shapeFlag = shapeFlag;
}
fxy060608's avatar
fxy060608 已提交
2634

fxy060608's avatar
fxy060608 已提交
2635 2636 2637 2638 2639
function getInnerChild(vnode) {
  return vnode.shapeFlag & 128
  /* SUSPENSE */
  ? vnode.ssContent : vnode;
}
fxy060608's avatar
fxy060608 已提交
2640

fxy060608's avatar
fxy060608 已提交
2641 2642 2643
function injectHook(type, hook) {
  var target = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : currentInstance;
  var prepend = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
fxy060608's avatar
fxy060608 已提交
2644

fxy060608's avatar
fxy060608 已提交
2645 2646 2647 2648
  if (target) {
    var hooks = target[type] || (target[type] = []); // cache the error handling wrapper for injected hooks so the same hook
    // can be properly deduped by the scheduler. "__weh" stands for "with error
    // handling".
fxy060608's avatar
fxy060608 已提交
2649

fxy060608's avatar
fxy060608 已提交
2650 2651 2652 2653 2654
    var wrappedHook = hook.__weh || (hook.__weh = function () {
      if (target.isUnmounted) {
        return;
      } // disable tracking inside all lifecycle hooks
      // since they can potentially be called inside effects.
fxy060608's avatar
fxy060608 已提交
2655 2656


fxy060608's avatar
fxy060608 已提交
2657 2658 2659
      pauseTracking(); // Set currentInstance during hook invocation.
      // This assumes the hook does not synchronously trigger other hooks, which
      // can only be false when the user does something really funky.
fxy060608's avatar
fxy060608 已提交
2660

fxy060608's avatar
fxy060608 已提交
2661
      setCurrentInstance(target);
fxy060608's avatar
fxy060608 已提交
2662

fxy060608's avatar
fxy060608 已提交
2663 2664
      for (var _len3 = arguments.length, args = new Array(_len3), _key3 = 0; _key3 < _len3; _key3++) {
        args[_key3] = arguments[_key3];
2665
      }
fxy060608's avatar
fxy060608 已提交
2666

fxy060608's avatar
fxy060608 已提交
2667 2668 2669 2670 2671
      var res = callWithAsyncErrorHandling(hook, target, type, args);
      unsetCurrentInstance();
      resetTracking();
      return res;
    });
fxy060608's avatar
fxy060608 已提交
2672

fxy060608's avatar
fxy060608 已提交
2673 2674 2675 2676
    if (prepend) {
      hooks.unshift(wrappedHook);
    } else {
      hooks.push(wrappedHook);
2677
    }
fxy060608's avatar
fxy060608 已提交
2678

fxy060608's avatar
fxy060608 已提交
2679 2680 2681
    return wrappedHook;
  }
}
fxy060608's avatar
fxy060608 已提交
2682

fxy060608's avatar
fxy060608 已提交
2683 2684 2685 2686 2687 2688 2689 2690 2691 2692 2693 2694 2695 2696 2697 2698 2699 2700 2701 2702 2703 2704 2705 2706 2707 2708 2709 2710 2711 2712 2713 2714 2715 2716 2717 2718 2719 2720 2721 2722 2723 2724 2725
var createHook = lifecycle => function (hook) {
  var target = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : currentInstance;
  return (// post-create lifecycle registrations are noops during SSR (except for serverPrefetch)
    (!isInSSRComponentSetup || lifecycle === "sp"
    /* SERVER_PREFETCH */
    ) && injectHook(lifecycle, hook, target)
  );
};

var onBeforeMount = createHook("bm"
/* BEFORE_MOUNT */
);
var onMounted = createHook("m"
/* MOUNTED */
);
var onBeforeUpdate = createHook("bu"
/* BEFORE_UPDATE */
);
var onUpdated = createHook("u"
/* UPDATED */
);
var onBeforeUnmount = createHook("bum"
/* BEFORE_UNMOUNT */
);
var onUnmounted = createHook("um"
/* UNMOUNTED */
);
var onServerPrefetch = createHook("sp"
/* SERVER_PREFETCH */
);
var onRenderTriggered = createHook("rtg"
/* RENDER_TRIGGERED */
);
var onRenderTracked = createHook("rtc"
/* RENDER_TRACKED */
);

function onErrorCaptured(hook) {
  var target = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : currentInstance;
  injectHook("ec"
  /* ERROR_CAPTURED */
  , hook, target);
}
fxy060608's avatar
fxy060608 已提交
2726

fxy060608's avatar
fxy060608 已提交
2727
var shouldCacheAccess = true;
fxy060608's avatar
fxy060608 已提交
2728

fxy060608's avatar
fxy060608 已提交
2729 2730 2731 2732
function applyOptions(instance) {
  var options = resolveMergedOptions(instance);
  var publicThis = instance.proxy;
  var ctx = instance.ctx; // do not cache property access on public proxy during state initialization
fxy060608's avatar
fxy060608 已提交
2733

fxy060608's avatar
fxy060608 已提交
2734 2735
  shouldCacheAccess = false; // call beforeCreate first before accessing other options since
  // the hook may mutate resolved options (#2791)
fxy060608's avatar
fxy060608 已提交
2736

fxy060608's avatar
fxy060608 已提交
2737 2738 2739 2740 2741 2742 2743 2744 2745 2746 2747 2748 2749 2750 2751 2752 2753 2754 2755 2756 2757 2758 2759 2760 2761 2762 2763 2764 2765 2766 2767 2768 2769 2770 2771 2772 2773 2774 2775 2776 2777 2778 2779 2780 2781 2782 2783 2784 2785 2786 2787 2788 2789 2790 2791 2792 2793 2794 2795 2796 2797
  if (options.beforeCreate) {
    callHook(options.beforeCreate, instance, "bc"
    /* BEFORE_CREATE */
    );
  }

  var {
    // state
    data: dataOptions,
    computed: computedOptions,
    methods,
    watch: watchOptions,
    provide: provideOptions,
    inject: injectOptions,
    // lifecycle
    created,
    beforeMount,
    mounted,
    beforeUpdate,
    updated,
    activated,
    deactivated,
    beforeDestroy,
    beforeUnmount,
    destroyed,
    unmounted,
    render,
    renderTracked,
    renderTriggered,
    errorCaptured,
    serverPrefetch,
    // public API
    expose,
    inheritAttrs,
    // assets
    components,
    directives,
    filters
  } = options;
  var checkDuplicateProperties = null; // options initialization order (to be consistent with Vue 2):
  // - props (already done outside of this function)
  // - inject
  // - methods
  // - data (deferred since it relies on `this` access)
  // - computed
  // - watch (deferred since it relies on `this` access)

  if (injectOptions) {
    resolveInjections(injectOptions, ctx, checkDuplicateProperties, instance.appContext.config.unwrapInjectedRef);
  }

  if (methods) {
    for (var key in methods) {
      var methodHandler = methods[key];

      if (isFunction(methodHandler)) {
        // In dev mode, we use the `createRenderContext` function to define
        // methods to the proxy target, and those are read-only but
        // reconfigurable, so it needs to be redefined here
        {
          ctx[key] = methodHandler.bind(publicThis);
fxy060608's avatar
fxy060608 已提交
2798 2799
        }
      }
fxy060608's avatar
fxy060608 已提交
2800 2801
    }
  }
fxy060608's avatar
fxy060608 已提交
2802

fxy060608's avatar
fxy060608 已提交
2803 2804 2805 2806 2807 2808
  if (dataOptions) {
    var data = dataOptions.call(publicThis, publicThis);
    if (!isObject(data)) ;else {
      instance.data = reactive(data);
    }
  } // state initialization complete at this point - start caching access
fxy060608's avatar
fxy060608 已提交
2809 2810


fxy060608's avatar
fxy060608 已提交
2811
  shouldCacheAccess = true;
fxy060608's avatar
fxy060608 已提交
2812

fxy060608's avatar
fxy060608 已提交
2813 2814 2815 2816 2817 2818 2819 2820 2821 2822 2823 2824 2825 2826 2827 2828
  if (computedOptions) {
    var _loop = function (_key4) {
      var opt = computedOptions[_key4];
      var get = isFunction(opt) ? opt.bind(publicThis, publicThis) : isFunction(opt.get) ? opt.get.bind(publicThis, publicThis) : NOOP;
      var set = !isFunction(opt) && isFunction(opt.set) ? opt.set.bind(publicThis) : NOOP;
      var c = computed({
        get,
        set
      });
      Object.defineProperty(ctx, _key4, {
        enumerable: true,
        configurable: true,
        get: () => c.value,
        set: v => c.value = v
      });
    };
fxy060608's avatar
fxy060608 已提交
2829

fxy060608's avatar
fxy060608 已提交
2830 2831 2832 2833
    for (var _key4 in computedOptions) {
      _loop(_key4);
    }
  }
fxy060608's avatar
fxy060608 已提交
2834

fxy060608's avatar
fxy060608 已提交
2835 2836 2837
  if (watchOptions) {
    for (var _key5 in watchOptions) {
      createWatcher(watchOptions[_key5], ctx, publicThis, _key5);
fxy060608's avatar
fxy060608 已提交
2838
    }
fxy060608's avatar
fxy060608 已提交
2839
  }
fxy060608's avatar
fxy060608 已提交
2840

fxy060608's avatar
fxy060608 已提交
2841 2842 2843 2844 2845 2846
  if (provideOptions) {
    var provides = isFunction(provideOptions) ? provideOptions.call(publicThis) : provideOptions;
    Reflect.ownKeys(provides).forEach(key => {
      provide(key, provides[key]);
    });
  }
fxy060608's avatar
fxy060608 已提交
2847

fxy060608's avatar
fxy060608 已提交
2848 2849 2850 2851 2852 2853 2854 2855 2856 2857 2858 2859 2860 2861 2862 2863 2864 2865 2866 2867 2868 2869 2870 2871 2872 2873 2874 2875 2876 2877 2878 2879 2880 2881 2882 2883 2884 2885 2886 2887 2888
  if (created) {
    callHook(created, instance, "c"
    /* CREATED */
    );
  }

  function registerLifecycleHook(register, hook) {
    if (isArray(hook)) {
      hook.forEach(_hook => register(_hook.bind(publicThis)));
    } else if (hook) {
      register(hook.bind(publicThis));
    }
  }

  registerLifecycleHook(onBeforeMount, beforeMount);
  registerLifecycleHook(onMounted, mounted);
  registerLifecycleHook(onBeforeUpdate, beforeUpdate);
  registerLifecycleHook(onUpdated, updated);
  registerLifecycleHook(onActivated, activated);
  registerLifecycleHook(onDeactivated, deactivated);
  registerLifecycleHook(onErrorCaptured, errorCaptured);
  registerLifecycleHook(onRenderTracked, renderTracked);
  registerLifecycleHook(onRenderTriggered, renderTriggered);
  registerLifecycleHook(onBeforeUnmount, beforeUnmount);
  registerLifecycleHook(onUnmounted, unmounted);
  registerLifecycleHook(onServerPrefetch, serverPrefetch);

  if (isArray(expose)) {
    if (expose.length) {
      var exposed = instance.exposed || (instance.exposed = {});
      expose.forEach(key => {
        Object.defineProperty(exposed, key, {
          get: () => publicThis[key],
          set: val => publicThis[key] = val
        });
      });
    } else if (!instance.exposed) {
      instance.exposed = {};
    }
  } // options that are handled when creating the instance but also need to be
  // applied from mixins
fxy060608's avatar
fxy060608 已提交
2889 2890


fxy060608's avatar
fxy060608 已提交
2891 2892 2893
  if (render && instance.render === NOOP) {
    instance.render = render;
  }
fxy060608's avatar
fxy060608 已提交
2894

fxy060608's avatar
fxy060608 已提交
2895 2896 2897
  if (inheritAttrs != null) {
    instance.inheritAttrs = inheritAttrs;
  } // asset options.
fxy060608's avatar
fxy060608 已提交
2898 2899


fxy060608's avatar
fxy060608 已提交
2900
  if (components) instance.components = components;
fxy060608's avatar
fxy060608 已提交
2901 2902 2903 2904 2905 2906 2907
  if (directives) instance.directives = directives; // fixed by xxxxxx

  var customApplyOptions = instance.appContext.config.globalProperties.$applyOptions;

  if (customApplyOptions) {
    customApplyOptions(options, instance, publicThis);
  }
fxy060608's avatar
fxy060608 已提交
2908
}
fxy060608's avatar
fxy060608 已提交
2909

fxy060608's avatar
fxy060608 已提交
2910 2911 2912
function resolveInjections(injectOptions, ctx) {
  var checkDuplicateProperties = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : NOOP;
  var unwrapRef = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
fxy060608's avatar
fxy060608 已提交
2913

fxy060608's avatar
fxy060608 已提交
2914 2915 2916
  if (isArray(injectOptions)) {
    injectOptions = normalizeInject(injectOptions);
  }
fxy060608's avatar
fxy060608 已提交
2917

fxy060608's avatar
fxy060608 已提交
2918 2919 2920
  var _loop2 = function (key) {
    var opt = injectOptions[key];
    var injected = void 0;
fxy060608's avatar
fxy060608 已提交
2921

fxy060608's avatar
fxy060608 已提交
2922 2923 2924 2925 2926 2927 2928 2929 2930 2931
    if (isObject(opt)) {
      if ('default' in opt) {
        injected = inject(opt.from || key, opt.default, true
        /* treat default function as factory */
        );
      } else {
        injected = inject(opt.from || key);
      }
    } else {
      injected = inject(opt);
fxy060608's avatar
fxy060608 已提交
2932
    }
fxy060608's avatar
fxy060608 已提交
2933

fxy060608's avatar
fxy060608 已提交
2934 2935 2936 2937 2938 2939 2940 2941 2942
    if (isRef(injected)) {
      // TODO remove the check in 3.3
      if (unwrapRef) {
        Object.defineProperty(ctx, key, {
          enumerable: true,
          configurable: true,
          get: () => injected.value,
          set: v => injected.value = v
        });
fxy060608's avatar
fxy060608 已提交
2943
      } else {
fxy060608's avatar
fxy060608 已提交
2944
        ctx[key] = injected;
fxy060608's avatar
fxy060608 已提交
2945
      }
fxy060608's avatar
fxy060608 已提交
2946 2947
    } else {
      ctx[key] = injected;
fxy060608's avatar
fxy060608 已提交
2948
    }
fxy060608's avatar
fxy060608 已提交
2949
  };
fxy060608's avatar
fxy060608 已提交
2950

fxy060608's avatar
fxy060608 已提交
2951 2952 2953 2954
  for (var key in injectOptions) {
    _loop2(key);
  }
}
fxy060608's avatar
fxy060608 已提交
2955

fxy060608's avatar
fxy060608 已提交
2956 2957 2958
function callHook(hook, instance, type) {
  callWithAsyncErrorHandling(isArray(hook) ? hook.map(h => h.bind(instance.proxy)) : hook.bind(instance.proxy), instance, type);
}
fxy060608's avatar
fxy060608 已提交
2959

fxy060608's avatar
fxy060608 已提交
2960 2961
function createWatcher(raw, ctx, publicThis, key) {
  var getter = key.includes('.') ? createPathGetter(publicThis, key) : () => publicThis[key];
fxy060608's avatar
fxy060608 已提交
2962

fxy060608's avatar
fxy060608 已提交
2963 2964
  if (isString(raw)) {
    var handler = ctx[raw];
fxy060608's avatar
fxy060608 已提交
2965

fxy060608's avatar
fxy060608 已提交
2966 2967 2968 2969 2970 2971 2972 2973 2974 2975
    if (isFunction(handler)) {
      watch(getter, handler);
    }
  } else if (isFunction(raw)) {
    watch(getter, raw.bind(publicThis));
  } else if (isObject(raw)) {
    if (isArray(raw)) {
      raw.forEach(r => createWatcher(r, ctx, publicThis, key));
    } else {
      var _handler = isFunction(raw.handler) ? raw.handler.bind(publicThis) : ctx[raw.handler];
fxy060608's avatar
fxy060608 已提交
2976

fxy060608's avatar
fxy060608 已提交
2977 2978
      if (isFunction(_handler)) {
        watch(getter, _handler, raw);
fxy060608's avatar
fxy060608 已提交
2979
      }
fxy060608's avatar
fxy060608 已提交
2980 2981 2982 2983 2984 2985 2986 2987 2988 2989 2990 2991 2992 2993 2994 2995 2996 2997 2998 2999 3000 3001 3002 3003 3004 3005 3006 3007 3008 3009 3010 3011 3012 3013 3014 3015 3016 3017 3018 3019 3020 3021 3022 3023 3024
    }
  } else ;
}
/**
 * Resolve merged options and cache it on the component.
 * This is done only once per-component since the merging does not involve
 * instances.
 */


function resolveMergedOptions(instance) {
  var base = instance.type;
  var {
    mixins,
    extends: extendsOptions
  } = base;
  var {
    mixins: globalMixins,
    optionsCache: cache,
    config: {
      optionMergeStrategies
    }
  } = instance.appContext;
  var cached = cache.get(base);
  var resolved;

  if (cached) {
    resolved = cached;
  } else if (!globalMixins.length && !mixins && !extendsOptions) {
    {
      resolved = base;
    }
  } else {
    resolved = {};

    if (globalMixins.length) {
      globalMixins.forEach(m => mergeOptions(resolved, m, optionMergeStrategies, true));
    }

    mergeOptions(resolved, base, optionMergeStrategies);
  }

  cache.set(base, resolved);
  return resolved;
}
fxy060608's avatar
fxy060608 已提交
3025

fxy060608's avatar
fxy060608 已提交
3026 3027 3028 3029 3030 3031
function mergeOptions(to, from, strats) {
  var asMixin = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
  var {
    mixins,
    extends: extendsOptions
  } = from;
fxy060608's avatar
fxy060608 已提交
3032

fxy060608's avatar
fxy060608 已提交
3033 3034 3035 3036 3037 3038 3039
  if (extendsOptions) {
    mergeOptions(to, extendsOptions, strats, true);
  }

  if (mixins) {
    mixins.forEach(m => mergeOptions(to, m, strats, true));
  }
fxy060608's avatar
fxy060608 已提交
3040

fxy060608's avatar
fxy060608 已提交
3041 3042 3043 3044
  for (var key in from) {
    if (asMixin && key === 'expose') ;else {
      var strat = internalOptionMergeStrats[key] || strats && strats[key];
      to[key] = strat ? strat(to[key], from[key]) : from[key];
fxy060608's avatar
fxy060608 已提交
3045
    }
fxy060608's avatar
fxy060608 已提交
3046
  }
fxy060608's avatar
fxy060608 已提交
3047

fxy060608's avatar
fxy060608 已提交
3048 3049
  return to;
}
fxy060608's avatar
fxy060608 已提交
3050

fxy060608's avatar
fxy060608 已提交
3051 3052 3053 3054 3055 3056 3057 3058 3059 3060 3061 3062 3063 3064 3065 3066 3067 3068 3069 3070 3071 3072 3073 3074 3075 3076 3077 3078 3079 3080 3081 3082 3083 3084 3085 3086 3087 3088 3089 3090 3091 3092 3093 3094 3095
var internalOptionMergeStrats = {
  data: mergeDataFn,
  props: mergeObjectOptions,
  emits: mergeObjectOptions,
  // objects
  methods: mergeObjectOptions,
  computed: mergeObjectOptions,
  // lifecycle
  beforeCreate: mergeAsArray,
  created: mergeAsArray,
  beforeMount: mergeAsArray,
  mounted: mergeAsArray,
  beforeUpdate: mergeAsArray,
  updated: mergeAsArray,
  beforeDestroy: mergeAsArray,
  beforeUnmount: mergeAsArray,
  destroyed: mergeAsArray,
  unmounted: mergeAsArray,
  activated: mergeAsArray,
  deactivated: mergeAsArray,
  errorCaptured: mergeAsArray,
  serverPrefetch: mergeAsArray,
  // assets
  components: mergeObjectOptions,
  directives: mergeObjectOptions,
  // watch
  watch: mergeWatchOptions,
  // provide / inject
  provide: mergeDataFn,
  inject: mergeInject
};

function mergeDataFn(to, from) {
  if (!from) {
    return to;
  }

  if (!to) {
    return from;
  }

  return function mergedDataFn() {
    return extend(isFunction(to) ? to.call(this, this) : to, isFunction(from) ? from.call(this, this) : from);
  };
}
fxy060608's avatar
fxy060608 已提交
3096

fxy060608's avatar
fxy060608 已提交
3097 3098 3099
function mergeInject(to, from) {
  return mergeObjectOptions(normalizeInject(to), normalizeInject(from));
}
fxy060608's avatar
fxy060608 已提交
3100

fxy060608's avatar
fxy060608 已提交
3101 3102 3103
function normalizeInject(raw) {
  if (isArray(raw)) {
    var res = {};
fxy060608's avatar
fxy060608 已提交
3104

fxy060608's avatar
fxy060608 已提交
3105 3106
    for (var i = 0; i < raw.length; i++) {
      res[raw[i]] = raw[i];
fxy060608's avatar
fxy060608 已提交
3107
    }
fxy060608's avatar
fxy060608 已提交
3108

fxy060608's avatar
fxy060608 已提交
3109 3110
    return res;
  }
fxy060608's avatar
fxy060608 已提交
3111

fxy060608's avatar
fxy060608 已提交
3112 3113
  return raw;
}
fxy060608's avatar
fxy060608 已提交
3114

fxy060608's avatar
fxy060608 已提交
3115 3116 3117
function mergeAsArray(to, from) {
  return to ? [...new Set([].concat(to, from))] : from;
}
fxy060608's avatar
fxy060608 已提交
3118

fxy060608's avatar
fxy060608 已提交
3119 3120 3121
function mergeObjectOptions(to, from) {
  return to ? extend(extend(Object.create(null), to), from) : from;
}
fxy060608's avatar
fxy060608 已提交
3122

fxy060608's avatar
fxy060608 已提交
3123 3124 3125 3126
function mergeWatchOptions(to, from) {
  if (!to) return from;
  if (!from) return to;
  var merged = extend(Object.create(null), to);
fxy060608's avatar
fxy060608 已提交
3127

fxy060608's avatar
fxy060608 已提交
3128 3129 3130
  for (var key in from) {
    merged[key] = mergeAsArray(to[key], from[key]);
  }
fxy060608's avatar
fxy060608 已提交
3131

fxy060608's avatar
fxy060608 已提交
3132 3133
  return merged;
}
fxy060608's avatar
fxy060608 已提交
3134

fxy060608's avatar
fxy060608 已提交
3135 3136 3137 3138 3139 3140 3141 3142 3143 3144 3145 3146 3147 3148 3149 3150 3151 3152 3153 3154 3155 3156 3157 3158 3159 3160 3161 3162 3163
function initProps(instance, rawProps, isStateful) {
  var isSSR = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
  var props = {};
  var attrs = {};
  def(attrs, InternalObjectKey, 1);
  instance.propsDefaults = Object.create(null);
  setFullProps(instance, rawProps, props, attrs); // ensure all declared prop keys are present

  for (var key in instance.propsOptions[0]) {
    if (!(key in props)) {
      props[key] = undefined;
    }
  }

  if (isStateful) {
    // stateful
    instance.props = isSSR ? props : shallowReactive(props);
  } else {
    if (!instance.type.props) {
      // functional w/ optional props, props === attrs
      instance.props = attrs;
    } else {
      // functional w/ declared props
      instance.props = props;
    }
  }

  instance.attrs = attrs;
}
fxy060608's avatar
fxy060608 已提交
3164

fxy060608's avatar
fxy060608 已提交
3165 3166 3167 3168 3169 3170 3171 3172 3173 3174 3175 3176 3177 3178 3179 3180 3181 3182 3183 3184 3185 3186 3187 3188
function updateProps(instance, rawProps, rawPrevProps, optimized) {
  var {
    props,
    attrs,
    vnode: {
      patchFlag
    }
  } = instance;
  var rawCurrentProps = toRaw(props);
  var [options] = instance.propsOptions;
  var hasAttrsChanged = false;

  if ( // always force full diff in dev
  // - #1942 if hmr is enabled with sfc component
  // - vite#872 non-sfc component used by sfc component
  (optimized || patchFlag > 0) && !(patchFlag & 16
  /* FULL_PROPS */
  )) {
    if (patchFlag & 8
    /* PROPS */
    ) {
      // Compiler-generated props & no keys change, just set the updated
      // the props.
      var propsToUpdate = instance.vnode.dynamicProps;
fxy060608's avatar
fxy060608 已提交
3189

fxy060608's avatar
fxy060608 已提交
3190 3191
      for (var i = 0; i < propsToUpdate.length; i++) {
        var key = propsToUpdate[i]; // PROPS flag guarantees rawProps to be non-null
fxy060608's avatar
fxy060608 已提交
3192

fxy060608's avatar
fxy060608 已提交
3193
        var value = rawProps[key];
fxy060608's avatar
fxy060608 已提交
3194

fxy060608's avatar
fxy060608 已提交
3195 3196 3197 3198 3199 3200
        if (options) {
          // attr / props separation was done on init and will be consistent
          // in this code path, so just check if attrs have it.
          if (hasOwn(attrs, key)) {
            if (value !== attrs[key]) {
              attrs[key] = value;
fxy060608's avatar
fxy060608 已提交
3201 3202
              hasAttrsChanged = true;
            }
fxy060608's avatar
fxy060608 已提交
3203 3204 3205 3206 3207 3208 3209 3210 3211 3212
          } else {
            var camelizedKey = camelize(key);
            props[camelizedKey] = resolvePropValue(options, rawCurrentProps, camelizedKey, value, instance, false
            /* isAbsent */
            );
          }
        } else {
          if (value !== attrs[key]) {
            attrs[key] = value;
            hasAttrsChanged = true;
fxy060608's avatar
fxy060608 已提交
3213 3214 3215 3216
          }
        }
      }
    }
fxy060608's avatar
fxy060608 已提交
3217 3218 3219 3220 3221 3222
  } else {
    // full props update.
    if (setFullProps(instance, rawProps, props, attrs)) {
      hasAttrsChanged = true;
    } // in case of dynamic props, check if we need to delete keys from
    // the props object
fxy060608's avatar
fxy060608 已提交
3223

fxy060608's avatar
fxy060608 已提交
3224

fxy060608's avatar
fxy060608 已提交
3225
    var kebabKey;
fxy060608's avatar
fxy060608 已提交
3226

fxy060608's avatar
fxy060608 已提交
3227 3228 3229 3230 3231 3232 3233 3234 3235 3236 3237 3238
    for (var _key6 in rawCurrentProps) {
      if (!rawProps || // for camelCase
      !hasOwn(rawProps, _key6) && ( // it's possible the original props was passed in as kebab-case
      // and converted to camelCase (#955)
      (kebabKey = hyphenate(_key6)) === _key6 || !hasOwn(rawProps, kebabKey))) {
        if (options) {
          if (rawPrevProps && ( // for camelCase
          rawPrevProps[_key6] !== undefined || // for kebab-case
          rawPrevProps[kebabKey] !== undefined)) {
            props[_key6] = resolvePropValue(options, rawCurrentProps, _key6, undefined, instance, true
            /* isAbsent */
            );
fxy060608's avatar
fxy060608 已提交
3239
          }
fxy060608's avatar
fxy060608 已提交
3240 3241
        } else {
          delete props[_key6];
fxy060608's avatar
fxy060608 已提交
3242
        }
fxy060608's avatar
fxy060608 已提交
3243
      }
fxy060608's avatar
fxy060608 已提交
3244 3245
    } // in the case of functional component w/o props declaration, props and
    // attrs point to the same object so it should already have been updated.
fxy060608's avatar
fxy060608 已提交
3246 3247


fxy060608's avatar
fxy060608 已提交
3248 3249 3250 3251 3252
    if (attrs !== rawCurrentProps) {
      for (var _key7 in attrs) {
        if (!rawProps || !hasOwn(rawProps, _key7) && !false) {
          delete attrs[_key7];
          hasAttrsChanged = true;
fxy060608's avatar
fxy060608 已提交
3253
        }
fxy060608's avatar
fxy060608 已提交
3254 3255
      }
    }
fxy060608's avatar
fxy060608 已提交
3256
  } // trigger updates for $attrs in case it's used in component slots
fxy060608's avatar
fxy060608 已提交
3257 3258


fxy060608's avatar
fxy060608 已提交
3259 3260 3261 3262 3263 3264
  if (hasAttrsChanged) {
    trigger(instance, "set"
    /* SET */
    , '$attrs');
  }
}
fxy060608's avatar
fxy060608 已提交
3265

fxy060608's avatar
fxy060608 已提交
3266 3267 3268 3269
function setFullProps(instance, rawProps, props, attrs) {
  var [options, needCastKeys] = instance.propsOptions;
  var hasAttrsChanged = false;
  var rawCastValues;
fxy060608's avatar
fxy060608 已提交
3270

fxy060608's avatar
fxy060608 已提交
3271 3272 3273 3274 3275 3276
  if (rawProps) {
    for (var key in rawProps) {
      // key, ref are reserved and never passed down
      if (isReservedProp(key)) {
        continue;
      }
fxy060608's avatar
fxy060608 已提交
3277

fxy060608's avatar
fxy060608 已提交
3278 3279
      var value = rawProps[key]; // prop option names are camelized during normalization, so to support
      // kebab -> camel conversion here we need to camelize the key.
fxy060608's avatar
fxy060608 已提交
3280

fxy060608's avatar
fxy060608 已提交
3281
      var camelKey = void 0;
fxy060608's avatar
fxy060608 已提交
3282

fxy060608's avatar
fxy060608 已提交
3283 3284 3285 3286 3287 3288 3289 3290 3291 3292
      if (options && hasOwn(options, camelKey = camelize(key))) {
        if (!needCastKeys || !needCastKeys.includes(camelKey)) {
          props[camelKey] = value;
        } else {
          (rawCastValues || (rawCastValues = {}))[camelKey] = value;
        }
      } else if (!isEmitListener(instance.emitsOptions, key)) {
        if (!(key in attrs) || value !== attrs[key]) {
          attrs[key] = value;
          hasAttrsChanged = true;
fxy060608's avatar
fxy060608 已提交
3293
        }
fxy060608's avatar
fxy060608 已提交
3294
      }
fxy060608's avatar
fxy060608 已提交
3295
    }
fxy060608's avatar
fxy060608 已提交
3296
  }
fxy060608's avatar
fxy060608 已提交
3297

fxy060608's avatar
fxy060608 已提交
3298 3299 3300
  if (needCastKeys) {
    var rawCurrentProps = toRaw(props);
    var castValues = rawCastValues || EMPTY_OBJ;
fxy060608's avatar
fxy060608 已提交
3301

fxy060608's avatar
fxy060608 已提交
3302 3303 3304 3305 3306
    for (var i = 0; i < needCastKeys.length; i++) {
      var _key8 = needCastKeys[i];
      props[_key8] = resolvePropValue(options, rawCurrentProps, _key8, castValues[_key8], instance, !hasOwn(castValues, _key8));
    }
  }
fxy060608's avatar
fxy060608 已提交
3307

fxy060608's avatar
fxy060608 已提交
3308 3309
  return hasAttrsChanged;
}
fxy060608's avatar
fxy060608 已提交
3310

fxy060608's avatar
fxy060608 已提交
3311 3312
function resolvePropValue(options, props, key, value, instance, isAbsent) {
  var opt = options[key];
fxy060608's avatar
fxy060608 已提交
3313

fxy060608's avatar
fxy060608 已提交
3314 3315
  if (opt != null) {
    var hasDefault = hasOwn(opt, 'default'); // default values
fxy060608's avatar
fxy060608 已提交
3316

fxy060608's avatar
fxy060608 已提交
3317 3318
    if (hasDefault && value === undefined) {
      var defaultValue = opt.default;
fxy060608's avatar
fxy060608 已提交
3319

fxy060608's avatar
fxy060608 已提交
3320 3321 3322 3323
      if (opt.type !== Function && isFunction(defaultValue)) {
        var {
          propsDefaults
        } = instance;
fxy060608's avatar
fxy060608 已提交
3324

fxy060608's avatar
fxy060608 已提交
3325 3326 3327 3328 3329 3330
        if (key in propsDefaults) {
          value = propsDefaults[key];
        } else {
          setCurrentInstance(instance);
          value = propsDefaults[key] = defaultValue.call(null, props);
          unsetCurrentInstance();
fxy060608's avatar
fxy060608 已提交
3331
        }
fxy060608's avatar
fxy060608 已提交
3332 3333
      } else {
        value = defaultValue;
fxy060608's avatar
fxy060608 已提交
3334
      }
fxy060608's avatar
fxy060608 已提交
3335
    } // boolean casting
fxy060608's avatar
fxy060608 已提交
3336

fxy060608's avatar
fxy060608 已提交
3337 3338 3339 3340 3341 3342 3343 3344 3345 3346

    if (opt[0
    /* shouldCast */
    ]) {
      if (isAbsent && !hasDefault) {
        value = false;
      } else if (opt[1
      /* shouldCastTrue */
      ] && (value === '' || value === hyphenate(key))) {
        value = true;
fxy060608's avatar
fxy060608 已提交
3347
      }
fxy060608's avatar
fxy060608 已提交
3348 3349
    }
  }
fxy060608's avatar
fxy060608 已提交
3350

fxy060608's avatar
fxy060608 已提交
3351 3352
  return value;
}
fxy060608's avatar
fxy060608 已提交
3353

fxy060608's avatar
fxy060608 已提交
3354 3355 3356 3357
function normalizePropsOptions(comp, appContext) {
  var asMixin = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
  var cache = appContext.propsCache;
  var cached = cache.get(comp);
fxy060608's avatar
fxy060608 已提交
3358

fxy060608's avatar
fxy060608 已提交
3359 3360 3361
  if (cached) {
    return cached;
  }
fxy060608's avatar
fxy060608 已提交
3362

fxy060608's avatar
fxy060608 已提交
3363 3364 3365
  var raw = comp.props;
  var normalized = {};
  var needCastKeys = []; // apply mixin/extends props
fxy060608's avatar
fxy060608 已提交
3366

fxy060608's avatar
fxy060608 已提交
3367
  var hasExtends = false;
fxy060608's avatar
fxy060608 已提交
3368

fxy060608's avatar
fxy060608 已提交
3369 3370 3371 3372 3373 3374 3375
  if (!isFunction(comp)) {
    var extendProps = raw => {
      hasExtends = true;
      var [props, keys] = normalizePropsOptions(raw, appContext, true);
      extend(normalized, props);
      if (keys) needCastKeys.push(...keys);
    };
fxy060608's avatar
fxy060608 已提交
3376

fxy060608's avatar
fxy060608 已提交
3377 3378
    if (!asMixin && appContext.mixins.length) {
      appContext.mixins.forEach(extendProps);
fxy060608's avatar
fxy060608 已提交
3379
    }
fxy060608's avatar
fxy060608 已提交
3380

fxy060608's avatar
fxy060608 已提交
3381 3382
    if (comp.extends) {
      extendProps(comp.extends);
fxy060608's avatar
fxy060608 已提交
3383
    }
fxy060608's avatar
fxy060608 已提交
3384

fxy060608's avatar
fxy060608 已提交
3385 3386
    if (comp.mixins) {
      comp.mixins.forEach(extendProps);
fxy060608's avatar
fxy060608 已提交
3387
    }
fxy060608's avatar
fxy060608 已提交
3388
  }
fxy060608's avatar
fxy060608 已提交
3389

fxy060608's avatar
fxy060608 已提交
3390 3391 3392 3393
  if (!raw && !hasExtends) {
    cache.set(comp, EMPTY_ARR);
    return EMPTY_ARR;
  }
fxy060608's avatar
fxy060608 已提交
3394

fxy060608's avatar
fxy060608 已提交
3395 3396 3397
  if (isArray(raw)) {
    for (var i = 0; i < raw.length; i++) {
      var normalizedKey = camelize(raw[i]);
fxy060608's avatar
fxy060608 已提交
3398

fxy060608's avatar
fxy060608 已提交
3399 3400 3401 3402 3403 3404 3405
      if (validatePropName(normalizedKey)) {
        normalized[normalizedKey] = EMPTY_OBJ;
      }
    }
  } else if (raw) {
    for (var key in raw) {
      var _normalizedKey = camelize(key);
fxy060608's avatar
fxy060608 已提交
3406

fxy060608's avatar
fxy060608 已提交
3407 3408 3409 3410 3411
      if (validatePropName(_normalizedKey)) {
        var opt = raw[key];
        var prop = normalized[_normalizedKey] = isArray(opt) || isFunction(opt) ? {
          type: opt
        } : opt;
fxy060608's avatar
fxy060608 已提交
3412

fxy060608's avatar
fxy060608 已提交
3413 3414 3415 3416 3417 3418 3419 3420 3421
        if (prop) {
          var booleanIndex = getTypeIndex(Boolean, prop.type);
          var stringIndex = getTypeIndex(String, prop.type);
          prop[0
          /* shouldCast */
          ] = booleanIndex > -1;
          prop[1
          /* shouldCastTrue */
          ] = stringIndex < 0 || booleanIndex < stringIndex; // if the prop needs boolean casting or default value
fxy060608's avatar
fxy060608 已提交
3422

fxy060608's avatar
fxy060608 已提交
3423 3424 3425
          if (booleanIndex > -1 || hasOwn(prop, 'default')) {
            needCastKeys.push(_normalizedKey);
          }
fxy060608's avatar
fxy060608 已提交
3426
        }
fxy060608's avatar
fxy060608 已提交
3427
      }
fxy060608's avatar
fxy060608 已提交
3428 3429
    }
  }
fxy060608's avatar
fxy060608 已提交
3430

fxy060608's avatar
fxy060608 已提交
3431 3432 3433 3434
  var res = [normalized, needCastKeys];
  cache.set(comp, res);
  return res;
}
fxy060608's avatar
fxy060608 已提交
3435

fxy060608's avatar
fxy060608 已提交
3436 3437 3438 3439
function validatePropName(key) {
  if (key[0] !== '$') {
    return true;
  }
fxy060608's avatar
fxy060608 已提交
3440

fxy060608's avatar
fxy060608 已提交
3441 3442 3443
  return false;
} // use function string name to check type constructors
// so that it works across vms / iframes.
fxy060608's avatar
fxy060608 已提交
3444 3445


fxy060608's avatar
fxy060608 已提交
3446 3447 3448 3449
function getType(ctor) {
  var match = ctor && ctor.toString().match(/^\s*function (\w+)/);
  return match ? match[1] : ctor === null ? 'null' : '';
}
fxy060608's avatar
fxy060608 已提交
3450

fxy060608's avatar
fxy060608 已提交
3451 3452 3453
function isSameType(a, b) {
  return getType(a) === getType(b);
}
fxy060608's avatar
fxy060608 已提交
3454

fxy060608's avatar
fxy060608 已提交
3455 3456 3457 3458 3459 3460
function getTypeIndex(type, expectedTypes) {
  if (isArray(expectedTypes)) {
    return expectedTypes.findIndex(t => isSameType(t, type));
  } else if (isFunction(expectedTypes)) {
    return isSameType(expectedTypes, type) ? 0 : -1;
  }
fxy060608's avatar
fxy060608 已提交
3461

fxy060608's avatar
fxy060608 已提交
3462 3463
  return -1;
}
fxy060608's avatar
fxy060608 已提交
3464

fxy060608's avatar
fxy060608 已提交
3465
var isInternalKey = key => key[0] === '_' || key === '$stable';
fxy060608's avatar
fxy060608 已提交
3466

fxy060608's avatar
fxy060608 已提交
3467
var normalizeSlotValue = value => isArray(value) ? value.map(normalizeVNode) : [normalizeVNode(value)];
fxy060608's avatar
fxy060608 已提交
3468

fxy060608's avatar
fxy060608 已提交
3469 3470 3471 3472 3473 3474 3475
var normalizeSlot = (key, rawSlot, ctx) => {
  var normalized = withCtx(function () {
    return normalizeSlotValue(rawSlot(...arguments));
  }, ctx);
  normalized._c = false;
  return normalized;
};
fxy060608's avatar
fxy060608 已提交
3476

fxy060608's avatar
fxy060608 已提交
3477 3478
var normalizeObjectSlots = (rawSlots, slots, instance) => {
  var ctx = rawSlots._ctx;
fxy060608's avatar
fxy060608 已提交
3479

fxy060608's avatar
fxy060608 已提交
3480 3481 3482
  for (var key in rawSlots) {
    if (isInternalKey(key)) continue;
    var value = rawSlots[key];
fxy060608's avatar
fxy060608 已提交
3483

fxy060608's avatar
fxy060608 已提交
3484 3485 3486 3487 3488
    if (isFunction(value)) {
      slots[key] = normalizeSlot(key, value, ctx);
    } else if (value != null) {
      (function () {
        var normalized = normalizeSlotValue(value);
fxy060608's avatar
fxy060608 已提交
3489

fxy060608's avatar
fxy060608 已提交
3490 3491 3492 3493 3494
        slots[key] = () => normalized;
      })();
    }
  }
};
fxy060608's avatar
fxy060608 已提交
3495

fxy060608's avatar
fxy060608 已提交
3496 3497
var normalizeVNodeSlots = (instance, children) => {
  var normalized = normalizeSlotValue(children);
fxy060608's avatar
fxy060608 已提交
3498

fxy060608's avatar
fxy060608 已提交
3499 3500
  instance.slots.default = () => normalized;
};
fxy060608's avatar
fxy060608 已提交
3501

fxy060608's avatar
fxy060608 已提交
3502 3503 3504 3505 3506
var initSlots = (instance, children) => {
  if (instance.vnode.shapeFlag & 32
  /* SLOTS_CHILDREN */
  ) {
    var type = children._;
fxy060608's avatar
fxy060608 已提交
3507

fxy060608's avatar
fxy060608 已提交
3508 3509 3510 3511
    if (type) {
      // users can get the shallow readonly version of the slots object through `this.$slots`,
      // we should avoid the proxy object polluting the slots of the internal instance
      instance.slots = toRaw(children); // make compiler marker non-enumerable
fxy060608's avatar
fxy060608 已提交
3512

fxy060608's avatar
fxy060608 已提交
3513 3514 3515
      def(children, '_', type);
    } else {
      normalizeObjectSlots(children, instance.slots = {});
fxy060608's avatar
fxy060608 已提交
3516
    }
fxy060608's avatar
fxy060608 已提交
3517 3518
  } else {
    instance.slots = {};
fxy060608's avatar
fxy060608 已提交
3519

fxy060608's avatar
fxy060608 已提交
3520 3521 3522 3523
    if (children) {
      normalizeVNodeSlots(instance, children);
    }
  }
fxy060608's avatar
fxy060608 已提交
3524

fxy060608's avatar
fxy060608 已提交
3525 3526
  def(instance.slots, InternalObjectKey, 1);
};
fxy060608's avatar
fxy060608 已提交
3527

fxy060608's avatar
fxy060608 已提交
3528 3529 3530 3531 3532 3533 3534
var updateSlots = (instance, children, optimized) => {
  var {
    vnode,
    slots
  } = instance;
  var needDeletionCheck = true;
  var deletionComparisonTarget = EMPTY_OBJ;
fxy060608's avatar
fxy060608 已提交
3535

fxy060608's avatar
fxy060608 已提交
3536 3537 3538 3539
  if (vnode.shapeFlag & 32
  /* SLOTS_CHILDREN */
  ) {
    var type = children._;
fxy060608's avatar
fxy060608 已提交
3540

fxy060608's avatar
fxy060608 已提交
3541 3542 3543 3544 3545 3546 3547 3548 3549 3550 3551 3552 3553 3554 3555 3556 3557 3558 3559 3560
    if (type) {
      // compiled slots.
      if (optimized && type === 1
      /* STABLE */
      ) {
        // compiled AND stable.
        // no need to update, and skip stale slots removal.
        needDeletionCheck = false;
      } else {
        // compiled but dynamic (v-if/v-for on slots) - update slots, but skip
        // normalization.
        extend(slots, children); // #2893
        // when rendering the optimized slots by manually written render function,
        // we need to delete the `slots._` flag if necessary to make subsequent updates reliable,
        // i.e. let the `renderSlot` create the bailed Fragment

        if (!optimized && type === 1
        /* STABLE */
        ) {
          delete slots._;
fxy060608's avatar
fxy060608 已提交
3561 3562
        }
      }
fxy060608's avatar
fxy060608 已提交
3563 3564 3565
    } else {
      needDeletionCheck = !children.$stable;
      normalizeObjectSlots(children, slots);
fxy060608's avatar
fxy060608 已提交
3566
    }
fxy060608's avatar
fxy060608 已提交
3567

fxy060608's avatar
fxy060608 已提交
3568 3569 3570 3571 3572 3573 3574 3575 3576 3577 3578 3579 3580 3581 3582
    deletionComparisonTarget = children;
  } else if (children) {
    // non slot object children (direct value) passed to a component
    normalizeVNodeSlots(instance, children);
    deletionComparisonTarget = {
      default: 1
    };
  } // delete stale slots


  if (needDeletionCheck) {
    for (var key in slots) {
      if (!isInternalKey(key) && !(key in deletionComparisonTarget)) {
        delete slots[key];
      }
fxy060608's avatar
fxy060608 已提交
3583
    }
fxy060608's avatar
fxy060608 已提交
3584 3585 3586 3587 3588
  }
};
/**
 * Adds directives to a VNode.
 */
fxy060608's avatar
fxy060608 已提交
3589 3590


fxy060608's avatar
fxy060608 已提交
3591 3592
function withDirectives(vnode, directives) {
  var internalInstance = currentRenderingInstance;
fxy060608's avatar
fxy060608 已提交
3593

fxy060608's avatar
fxy060608 已提交
3594 3595 3596
  if (internalInstance === null) {
    return vnode;
  }
fxy060608's avatar
fxy060608 已提交
3597

fxy060608's avatar
fxy060608 已提交
3598 3599
  var instance = internalInstance.proxy;
  var bindings = vnode.dirs || (vnode.dirs = []);
fxy060608's avatar
fxy060608 已提交
3600

fxy060608's avatar
fxy060608 已提交
3601 3602
  for (var i = 0; i < directives.length; i++) {
    var [dir, value, arg, modifiers = EMPTY_OBJ] = directives[i];
fxy060608's avatar
fxy060608 已提交
3603

fxy060608's avatar
fxy060608 已提交
3604 3605 3606 3607 3608 3609
    if (isFunction(dir)) {
      dir = {
        mounted: dir,
        updated: dir
      };
    }
fxy060608's avatar
fxy060608 已提交
3610

fxy060608's avatar
fxy060608 已提交
3611 3612 3613
    if (dir.deep) {
      traverse(value);
    }
fxy060608's avatar
fxy060608 已提交
3614

fxy060608's avatar
fxy060608 已提交
3615 3616 3617 3618 3619 3620 3621 3622 3623
    bindings.push({
      dir,
      instance,
      value,
      oldValue: void 0,
      arg,
      modifiers
    });
  }
fxy060608's avatar
fxy060608 已提交
3624

fxy060608's avatar
fxy060608 已提交
3625 3626
  return vnode;
}
fxy060608's avatar
fxy060608 已提交
3627

fxy060608's avatar
fxy060608 已提交
3628 3629 3630
function invokeDirectiveHook(vnode, prevVNode, instance, name) {
  var bindings = vnode.dirs;
  var oldBindings = prevVNode && prevVNode.dirs;
fxy060608's avatar
fxy060608 已提交
3631

fxy060608's avatar
fxy060608 已提交
3632 3633
  for (var i = 0; i < bindings.length; i++) {
    var binding = bindings[i];
fxy060608's avatar
fxy060608 已提交
3634

fxy060608's avatar
fxy060608 已提交
3635 3636 3637
    if (oldBindings) {
      binding.oldValue = oldBindings[i].value;
    }
fxy060608's avatar
fxy060608 已提交
3638

fxy060608's avatar
fxy060608 已提交
3639
    var hook = binding.dir[name];
fxy060608's avatar
fxy060608 已提交
3640

fxy060608's avatar
fxy060608 已提交
3641 3642 3643 3644 3645 3646 3647 3648
    if (hook) {
      // disable tracking inside all lifecycle hooks
      // since they can potentially be called inside effects.
      pauseTracking();
      callWithAsyncErrorHandling(hook, instance, 8
      /* DIRECTIVE_HOOK */
      , [vnode.el, binding, vnode, prevVNode]);
      resetTracking();
fxy060608's avatar
fxy060608 已提交
3649
    }
fxy060608's avatar
fxy060608 已提交
3650 3651
  }
}
fxy060608's avatar
fxy060608 已提交
3652

fxy060608's avatar
fxy060608 已提交
3653 3654 3655 3656 3657 3658 3659 3660 3661 3662 3663 3664 3665 3666 3667 3668 3669 3670 3671 3672 3673
function createAppContext() {
  return {
    app: null,
    config: {
      isNativeTag: NO,
      performance: false,
      globalProperties: {},
      optionMergeStrategies: {},
      errorHandler: undefined,
      warnHandler: undefined,
      compilerOptions: {}
    },
    mixins: [],
    components: {},
    directives: {},
    provides: Object.create(null),
    optionsCache: new WeakMap(),
    propsCache: new WeakMap(),
    emitsCache: new WeakMap()
  };
}
fxy060608's avatar
fxy060608 已提交
3674

fxy060608's avatar
fxy060608 已提交
3675
var uid = 0;
fxy060608's avatar
fxy060608 已提交
3676

fxy060608's avatar
fxy060608 已提交
3677 3678 3679
function createAppAPI(render, hydrate) {
  return function createApp(rootComponent) {
    var rootProps = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
fxy060608's avatar
fxy060608 已提交
3680

fxy060608's avatar
fxy060608 已提交
3681 3682 3683
    if (rootProps != null && !isObject(rootProps)) {
      rootProps = null;
    }
fxy060608's avatar
fxy060608 已提交
3684

fxy060608's avatar
fxy060608 已提交
3685 3686 3687 3688 3689 3690 3691 3692 3693 3694 3695
    var context = createAppContext();
    var installedPlugins = new Set();
    var isMounted = false;
    var app = context.app = {
      _uid: uid++,
      _component: rootComponent,
      _props: rootProps,
      _container: null,
      _context: context,
      _instance: null,
      version,
fxy060608's avatar
fxy060608 已提交
3696

fxy060608's avatar
fxy060608 已提交
3697 3698 3699
      get config() {
        return context.config;
      },
fxy060608's avatar
fxy060608 已提交
3700

fxy060608's avatar
fxy060608 已提交
3701
      set config(v) {},
fxy060608's avatar
fxy060608 已提交
3702

fxy060608's avatar
fxy060608 已提交
3703 3704 3705 3706
      use(plugin) {
        for (var _len4 = arguments.length, options = new Array(_len4 > 1 ? _len4 - 1 : 0), _key9 = 1; _key9 < _len4; _key9++) {
          options[_key9 - 1] = arguments[_key9];
        }
fxy060608's avatar
fxy060608 已提交
3707

fxy060608's avatar
fxy060608 已提交
3708 3709 3710 3711 3712 3713 3714 3715 3716
        if (installedPlugins.has(plugin)) ;else if (plugin && isFunction(plugin.install)) {
          installedPlugins.add(plugin);
          plugin.install(app, ...options);
        } else if (isFunction(plugin)) {
          installedPlugins.add(plugin);
          plugin(app, ...options);
        } else ;
        return app;
      },
fxy060608's avatar
fxy060608 已提交
3717

fxy060608's avatar
fxy060608 已提交
3718 3719 3720 3721
      mixin(mixin) {
        {
          if (!context.mixins.includes(mixin)) {
            context.mixins.push(mixin);
fxy060608's avatar
fxy060608 已提交
3722 3723
          }
        }
fxy060608's avatar
fxy060608 已提交
3724 3725
        return app;
      },
fxy060608's avatar
fxy060608 已提交
3726

fxy060608's avatar
fxy060608 已提交
3727 3728 3729 3730
      component(name, component) {
        if (!component) {
          return context.components[name];
        }
fxy060608's avatar
fxy060608 已提交
3731

fxy060608's avatar
fxy060608 已提交
3732 3733 3734
        context.components[name] = component;
        return app;
      },
fxy060608's avatar
fxy060608 已提交
3735

fxy060608's avatar
fxy060608 已提交
3736 3737 3738 3739
      directive(name, directive) {
        if (!directive) {
          return context.directives[name];
        }
fxy060608's avatar
fxy060608 已提交
3740

fxy060608's avatar
fxy060608 已提交
3741 3742 3743
        context.directives[name] = directive;
        return app;
      },
fxy060608's avatar
fxy060608 已提交
3744

fxy060608's avatar
fxy060608 已提交
3745 3746 3747 3748
      mount(rootContainer, isHydrate, isSVG) {
        if (!isMounted) {
          var vnode = createVNode(rootComponent, rootProps); // store app context on the root VNode.
          // this will be set on the root instance on initial mount.
fxy060608's avatar
fxy060608 已提交
3749

fxy060608's avatar
fxy060608 已提交
3750
          vnode.appContext = context;
fxy060608's avatar
fxy060608 已提交
3751

fxy060608's avatar
fxy060608 已提交
3752 3753 3754 3755 3756
          if (isHydrate && hydrate) {
            hydrate(vnode, rootContainer);
          } else {
            render(vnode, rootContainer, isSVG);
          }
fxy060608's avatar
fxy060608 已提交
3757

fxy060608's avatar
fxy060608 已提交
3758 3759 3760 3761
          isMounted = true;
          app._container = rootContainer;
          rootContainer.__vue_app__ = app;
          return getExposeProxy(vnode.component) || vnode.component.proxy;
fxy060608's avatar
fxy060608 已提交
3762
        }
fxy060608's avatar
fxy060608 已提交
3763
      },
fxy060608's avatar
fxy060608 已提交
3764

fxy060608's avatar
fxy060608 已提交
3765 3766 3767 3768 3769 3770
      unmount() {
        if (isMounted) {
          render(null, app._container);
          delete app._container.__vue_app__;
        }
      },
fxy060608's avatar
fxy060608 已提交
3771

fxy060608's avatar
fxy060608 已提交
3772 3773 3774 3775 3776 3777
      provide(key, value) {
        // TypeScript doesn't allow symbols as index type
        // https://github.com/Microsoft/TypeScript/issues/24587
        context.provides[key] = value;
        return app;
      }
fxy060608's avatar
fxy060608 已提交
3778

fxy060608's avatar
fxy060608 已提交
3779 3780 3781 3782 3783 3784 3785 3786 3787 3788 3789 3790 3791 3792 3793 3794 3795 3796 3797 3798 3799 3800 3801 3802 3803 3804 3805 3806 3807 3808 3809 3810 3811 3812 3813 3814 3815 3816 3817 3818 3819 3820 3821 3822 3823 3824 3825 3826 3827 3828 3829 3830 3831 3832 3833 3834 3835 3836 3837 3838 3839 3840 3841 3842 3843 3844 3845 3846 3847 3848
    };
    return app;
  };
}
/**
 * Function for handling a template ref
 */


function setRef(rawRef, oldRawRef, parentSuspense, vnode) {
  var isUnmount = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : false;

  if (isArray(rawRef)) {
    rawRef.forEach((r, i) => setRef(r, oldRawRef && (isArray(oldRawRef) ? oldRawRef[i] : oldRawRef), parentSuspense, vnode, isUnmount));
    return;
  }

  if (isAsyncWrapper(vnode) && !isUnmount) {
    // when mounting async components, nothing needs to be done,
    // because the template ref is forwarded to inner component
    return;
  }

  var refValue = vnode.shapeFlag & 4
  /* STATEFUL_COMPONENT */
  ? getExposeProxy(vnode.component) || vnode.component.proxy : vnode.el;
  var value = isUnmount ? null : refValue;
  var {
    i: owner,
    r: ref
  } = rawRef;
  var oldRef = oldRawRef && oldRawRef.r;
  var refs = owner.refs === EMPTY_OBJ ? owner.refs = {} : owner.refs;
  var setupState = owner.setupState; // dynamic ref changed. unset old ref

  if (oldRef != null && oldRef !== ref) {
    if (isString(oldRef)) {
      refs[oldRef] = null;

      if (hasOwn(setupState, oldRef)) {
        setupState[oldRef] = null;
      }
    } else if (isRef(oldRef)) {
      oldRef.value = null;
    }
  }

  if (isFunction(ref)) {
    callWithErrorHandling(ref, owner, 12
    /* FUNCTION_REF */
    , [value, refs]);
  } else {
    var _isString = isString(ref);

    var _isRef = isRef(ref);

    if (_isString || _isRef) {
      var doSet = () => {
        if (rawRef.f) {
          var existing = _isString ? refs[ref] : ref.value;

          if (isUnmount) {
            isArray(existing) && remove(existing, refValue);
          } else {
            if (!isArray(existing)) {
              if (_isString) {
                refs[ref] = [refValue];
              } else {
                ref.value = [refValue];
                if (rawRef.k) refs[rawRef.k] = ref.value;
fxy060608's avatar
fxy060608 已提交
3849
              }
fxy060608's avatar
fxy060608 已提交
3850 3851
            } else if (!existing.includes(refValue)) {
              existing.push(refValue);
fxy060608's avatar
fxy060608 已提交
3852
            }
fxy060608's avatar
fxy060608 已提交
3853 3854 3855
          }
        } else if (_isString) {
          refs[ref] = value;
fxy060608's avatar
fxy060608 已提交
3856

fxy060608's avatar
fxy060608 已提交
3857 3858 3859 3860 3861 3862 3863 3864
          if (hasOwn(setupState, ref)) {
            setupState[ref] = value;
          }
        } else if (isRef(ref)) {
          ref.value = value;
          if (rawRef.k) refs[rawRef.k] = value;
        } else ;
      };
fxy060608's avatar
fxy060608 已提交
3865

fxy060608's avatar
fxy060608 已提交
3866 3867 3868 3869 3870 3871 3872 3873 3874
      if (value) {
        doSet.id = -1;
        queuePostRenderEffect(doSet, parentSuspense);
      } else {
        doSet();
      }
    }
  }
}
fxy060608's avatar
fxy060608 已提交
3875

fxy060608's avatar
fxy060608 已提交
3876 3877 3878 3879 3880 3881 3882 3883 3884 3885 3886 3887 3888 3889 3890 3891 3892 3893 3894 3895 3896 3897 3898 3899 3900 3901 3902 3903 3904 3905 3906 3907 3908 3909 3910 3911 3912 3913 3914 3915 3916 3917 3918 3919 3920 3921 3922 3923 3924 3925 3926 3927 3928 3929 3930 3931 3932 3933 3934 3935 3936 3937 3938 3939 3940 3941 3942 3943 3944 3945
var hasMismatch = false;

var isSVGContainer = container => /svg/.test(container.namespaceURI) && container.tagName !== 'foreignObject';

var isComment = node => node.nodeType === 8
/* COMMENT */
; // Note: hydration is DOM-specific
// But we have to place it in core due to tight coupling with core - splitting
// it out creates a ton of unnecessary complexity.
// Hydration also depends on some renderer internal logic which needs to be
// passed in via arguments.


function createHydrationFunctions(rendererInternals) {
  var {
    mt: mountComponent,
    p: patch,
    o: {
      patchProp,
      nextSibling,
      parentNode,
      remove,
      insert,
      createComment
    }
  } = rendererInternals;

  var hydrate = (vnode, container) => {
    if (!container.hasChildNodes()) {
      patch(null, vnode, container);
      flushPostFlushCbs();
      return;
    }

    hasMismatch = false;
    hydrateNode(container.firstChild, vnode, null, null, null);
    flushPostFlushCbs();

    if (hasMismatch && !false) {
      // this error should show up in production
      console.error("Hydration completed but contains mismatches.");
    }
  };

  var hydrateNode = function (node, vnode, parentComponent, parentSuspense, slotScopeIds) {
    var optimized = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : false;
    var isFragmentStart = isComment(node) && node.data === '[';

    var onMismatch = () => handleMismatch(node, vnode, parentComponent, parentSuspense, slotScopeIds, isFragmentStart);

    var {
      type,
      ref,
      shapeFlag
    } = vnode;
    var domType = node.nodeType;
    vnode.el = node;
    var nextNode = null;

    switch (type) {
      case Text:
        if (domType !== 3
        /* TEXT */
        ) {
          nextNode = onMismatch();
        } else {
          if (node.data !== vnode.children) {
            hasMismatch = true;
            node.data = vnode.children;
          }
fxy060608's avatar
fxy060608 已提交
3946

fxy060608's avatar
fxy060608 已提交
3947 3948
          nextNode = nextSibling(node);
        }
fxy060608's avatar
fxy060608 已提交
3949

fxy060608's avatar
fxy060608 已提交
3950
        break;
fxy060608's avatar
fxy060608 已提交
3951

fxy060608's avatar
fxy060608 已提交
3952 3953 3954 3955 3956 3957 3958 3959
      case Comment:
        if (domType !== 8
        /* COMMENT */
        || isFragmentStart) {
          nextNode = onMismatch();
        } else {
          nextNode = nextSibling(node);
        }
fxy060608's avatar
fxy060608 已提交
3960

fxy060608's avatar
fxy060608 已提交
3961
        break;
fxy060608's avatar
fxy060608 已提交
3962

fxy060608's avatar
fxy060608 已提交
3963 3964 3965 3966 3967 3968 3969 3970 3971
      case Static:
        if (domType !== 1
        /* ELEMENT */
        ) {
          nextNode = onMismatch();
        } else {
          // determine anchor, adopt content
          nextNode = node; // if the static vnode has its content stripped during build,
          // adopt it from the server-rendered HTML.
fxy060608's avatar
fxy060608 已提交
3972

fxy060608's avatar
fxy060608 已提交
3973
          var needToAdoptContent = !vnode.children.length;
fxy060608's avatar
fxy060608 已提交
3974

fxy060608's avatar
fxy060608 已提交
3975 3976
          for (var i = 0; i < vnode.staticCount; i++) {
            if (needToAdoptContent) vnode.children += nextNode.outerHTML;
fxy060608's avatar
fxy060608 已提交
3977

fxy060608's avatar
fxy060608 已提交
3978 3979
            if (i === vnode.staticCount - 1) {
              vnode.anchor = nextNode;
fxy060608's avatar
fxy060608 已提交
3980
            }
fxy060608's avatar
fxy060608 已提交
3981

fxy060608's avatar
fxy060608 已提交
3982 3983
            nextNode = nextSibling(nextNode);
          }
fxy060608's avatar
fxy060608 已提交
3984

fxy060608's avatar
fxy060608 已提交
3985
          return nextNode;
fxy060608's avatar
fxy060608 已提交
3986
        }
fxy060608's avatar
fxy060608 已提交
3987

fxy060608's avatar
fxy060608 已提交
3988 3989 3990 3991 3992 3993 3994
        break;

      case Fragment:
        if (!isFragmentStart) {
          nextNode = onMismatch();
        } else {
          nextNode = hydrateFragment(node, vnode, parentComponent, parentSuspense, slotScopeIds, optimized);
fxy060608's avatar
fxy060608 已提交
3995
        }
fxy060608's avatar
fxy060608 已提交
3996

fxy060608's avatar
fxy060608 已提交
3997
        break;
fxy060608's avatar
fxy060608 已提交
3998

fxy060608's avatar
fxy060608 已提交
3999 4000 4001
      default:
        if (shapeFlag & 1
        /* ELEMENT */
fxy060608's avatar
fxy060608 已提交
4002
        ) {
fxy060608's avatar
fxy060608 已提交
4003 4004 4005 4006 4007 4008 4009 4010 4011 4012 4013 4014 4015 4016 4017 4018 4019 4020 4021 4022 4023 4024 4025 4026 4027 4028 4029 4030 4031 4032 4033 4034
          if (domType !== 1
          /* ELEMENT */
          || vnode.type.toLowerCase() !== node.tagName.toLowerCase()) {
            nextNode = onMismatch();
          } else {
            nextNode = hydrateElement(node, vnode, parentComponent, parentSuspense, slotScopeIds, optimized);
          }
        } else if (shapeFlag & 6
        /* COMPONENT */
        ) {
          // when setting up the render effect, if the initial vnode already
          // has .el set, the component will perform hydration instead of mount
          // on its sub-tree.
          vnode.slotScopeIds = slotScopeIds;
          var container = parentNode(node);
          mountComponent(vnode, container, null, parentComponent, parentSuspense, isSVGContainer(container), optimized); // component may be async, so in the case of fragments we cannot rely
          // on component's rendered output to determine the end of the fragment
          // instead, we do a lookahead to find the end anchor node.

          nextNode = isFragmentStart ? locateClosingAsyncAnchor(node) : nextSibling(node); // #3787
          // if component is async, it may get moved / unmounted before its
          // inner component is loaded, so we need to give it a placeholder
          // vnode that matches its adopted DOM.

          if (isAsyncWrapper(vnode)) {
            var subTree;

            if (isFragmentStart) {
              subTree = createVNode(Fragment);
              subTree.anchor = nextNode ? nextNode.previousSibling : container.lastChild;
            } else {
              subTree = node.nodeType === 3 ? createTextVNode('') : createVNode('div');
fxy060608's avatar
fxy060608 已提交
4035
            }
fxy060608's avatar
fxy060608 已提交
4036

fxy060608's avatar
fxy060608 已提交
4037 4038
            subTree.el = node;
            vnode.component.subTree = subTree;
fxy060608's avatar
fxy060608 已提交
4039
          }
fxy060608's avatar
fxy060608 已提交
4040 4041 4042 4043 4044 4045 4046 4047 4048
        } else if (shapeFlag & 64
        /* TELEPORT */
        ) {
          if (domType !== 8
          /* COMMENT */
          ) {
            nextNode = onMismatch();
          } else {
            nextNode = vnode.type.hydrate(node, vnode, parentComponent, parentSuspense, slotScopeIds, optimized, rendererInternals, hydrateChildren);
fxy060608's avatar
fxy060608 已提交
4049
          }
fxy060608's avatar
fxy060608 已提交
4050 4051 4052 4053 4054
        } else if (shapeFlag & 128
        /* SUSPENSE */
        ) {
          nextNode = vnode.type.hydrate(node, vnode, parentComponent, parentSuspense, isSVGContainer(parentNode(node)), slotScopeIds, optimized, rendererInternals, hydrateNode);
        } else ;
fxy060608's avatar
fxy060608 已提交
4055

fxy060608's avatar
fxy060608 已提交
4056
    }
fxy060608's avatar
fxy060608 已提交
4057

fxy060608's avatar
fxy060608 已提交
4058 4059 4060
    if (ref != null) {
      setRef(ref, null, parentSuspense, vnode);
    }
fxy060608's avatar
fxy060608 已提交
4061

fxy060608's avatar
fxy060608 已提交
4062 4063
    return nextNode;
  };
fxy060608's avatar
fxy060608 已提交
4064

fxy060608's avatar
fxy060608 已提交
4065 4066 4067 4068 4069 4070 4071 4072 4073 4074
  var hydrateElement = (el, vnode, parentComponent, parentSuspense, slotScopeIds, optimized) => {
    optimized = optimized || !!vnode.dynamicChildren;
    var {
      type,
      props,
      patchFlag,
      shapeFlag,
      dirs
    } = vnode; // #4006 for form elements with non-string v-model value bindings
    // e.g. <option :value="obj">, <input type="checkbox" :true-value="1">
fxy060608's avatar
fxy060608 已提交
4075

fxy060608's avatar
fxy060608 已提交
4076
    var forcePatchValue = type === 'input' && dirs || type === 'option'; // skip props & children if this is hoisted static nodes
4077
    // #5405 in dev, always hydrate children for HMR
fxy060608's avatar
fxy060608 已提交
4078

fxy060608's avatar
fxy060608 已提交
4079 4080 4081 4082 4083 4084
    if (forcePatchValue || patchFlag !== -1
    /* HOISTED */
    ) {
      if (dirs) {
        invokeDirectiveHook(vnode, null, parentComponent, 'created');
      } // props
fxy060608's avatar
fxy060608 已提交
4085 4086


fxy060608's avatar
fxy060608 已提交
4087 4088 4089 4090 4091 4092 4093 4094 4095 4096
      if (props) {
        if (forcePatchValue || !optimized || patchFlag & (16
        /* FULL_PROPS */
        | 32
        /* HYDRATE_EVENTS */
        )) {
          for (var key in props) {
            if (forcePatchValue && key.endsWith('value') || isOn(key) && !isReservedProp(key)) {
              patchProp(el, key, null, props[key], false, undefined, parentComponent);
            }
fxy060608's avatar
fxy060608 已提交
4097
          }
fxy060608's avatar
fxy060608 已提交
4098 4099 4100 4101
        } else if (props.onClick) {
          // Fast path for click listeners (which is most often) to avoid
          // iterating through props.
          patchProp(el, 'onClick', null, props.onClick, false, undefined, parentComponent);
fxy060608's avatar
fxy060608 已提交
4102
        }
fxy060608's avatar
fxy060608 已提交
4103
      } // vnode / directive hooks
fxy060608's avatar
fxy060608 已提交
4104 4105


fxy060608's avatar
fxy060608 已提交
4106
      var vnodeHooks;
fxy060608's avatar
fxy060608 已提交
4107

fxy060608's avatar
fxy060608 已提交
4108 4109 4110
      if (vnodeHooks = props && props.onVnodeBeforeMount) {
        invokeVNodeHook(vnodeHooks, parentComponent, vnode);
      }
fxy060608's avatar
fxy060608 已提交
4111

fxy060608's avatar
fxy060608 已提交
4112 4113 4114
      if (dirs) {
        invokeDirectiveHook(vnode, null, parentComponent, 'beforeMount');
      }
fxy060608's avatar
fxy060608 已提交
4115

fxy060608's avatar
fxy060608 已提交
4116 4117 4118 4119 4120 4121
      if ((vnodeHooks = props && props.onVnodeMounted) || dirs) {
        queueEffectWithSuspense(() => {
          vnodeHooks && invokeVNodeHook(vnodeHooks, parentComponent, vnode);
          dirs && invokeDirectiveHook(vnode, null, parentComponent, 'mounted');
        }, parentSuspense);
      } // children
fxy060608's avatar
fxy060608 已提交
4122

fxy060608's avatar
fxy060608 已提交
4123

fxy060608's avatar
fxy060608 已提交
4124 4125 4126 4127 4128
      if (shapeFlag & 16
      /* ARRAY_CHILDREN */
      && // skip if element has innerHTML / textContent
      !(props && (props.innerHTML || props.textContent))) {
        var next = hydrateChildren(el.firstChild, vnode, el, parentComponent, parentSuspense, slotScopeIds, optimized);
fxy060608's avatar
fxy060608 已提交
4129

fxy060608's avatar
fxy060608 已提交
4130 4131
        while (next) {
          hasMismatch = true; // The SSRed DOM contains more nodes than it should. Remove them.
fxy060608's avatar
fxy060608 已提交
4132

fxy060608's avatar
fxy060608 已提交
4133 4134 4135
          var cur = next;
          next = next.nextSibling;
          remove(cur);
fxy060608's avatar
fxy060608 已提交
4136
        }
fxy060608's avatar
fxy060608 已提交
4137 4138 4139 4140 4141 4142 4143 4144 4145
      } else if (shapeFlag & 8
      /* TEXT_CHILDREN */
      ) {
        if (el.textContent !== vnode.children) {
          hasMismatch = true;
          el.textContent = vnode.children;
        }
      }
    }
fxy060608's avatar
fxy060608 已提交
4146

fxy060608's avatar
fxy060608 已提交
4147 4148
    return el.nextSibling;
  };
fxy060608's avatar
fxy060608 已提交
4149

fxy060608's avatar
fxy060608 已提交
4150 4151 4152 4153
  var hydrateChildren = (node, parentVNode, container, parentComponent, parentSuspense, slotScopeIds, optimized) => {
    optimized = optimized || !!parentVNode.dynamicChildren;
    var children = parentVNode.children;
    var l = children.length;
fxy060608's avatar
fxy060608 已提交
4154

fxy060608's avatar
fxy060608 已提交
4155 4156
    for (var i = 0; i < l; i++) {
      var vnode = optimized ? children[i] : children[i] = normalizeVNode(children[i]);
fxy060608's avatar
fxy060608 已提交
4157

fxy060608's avatar
fxy060608 已提交
4158 4159 4160 4161 4162 4163
      if (node) {
        node = hydrateNode(node, vnode, parentComponent, parentSuspense, slotScopeIds, optimized);
      } else if (vnode.type === Text && !vnode.children) {
        continue;
      } else {
        hasMismatch = true; // the SSRed DOM didn't contain enough nodes. Mount the missing ones.
fxy060608's avatar
fxy060608 已提交
4164

fxy060608's avatar
fxy060608 已提交
4165 4166 4167
        patch(null, vnode, container, null, parentComponent, parentSuspense, isSVGContainer(container), slotScopeIds);
      }
    }
fxy060608's avatar
fxy060608 已提交
4168

fxy060608's avatar
fxy060608 已提交
4169 4170
    return node;
  };
fxy060608's avatar
fxy060608 已提交
4171

fxy060608's avatar
fxy060608 已提交
4172 4173 4174 4175
  var hydrateFragment = (node, vnode, parentComponent, parentSuspense, slotScopeIds, optimized) => {
    var {
      slotScopeIds: fragmentSlotScopeIds
    } = vnode;
fxy060608's avatar
fxy060608 已提交
4176

fxy060608's avatar
fxy060608 已提交
4177 4178 4179
    if (fragmentSlotScopeIds) {
      slotScopeIds = slotScopeIds ? slotScopeIds.concat(fragmentSlotScopeIds) : fragmentSlotScopeIds;
    }
fxy060608's avatar
fxy060608 已提交
4180

fxy060608's avatar
fxy060608 已提交
4181 4182
    var container = parentNode(node);
    var next = hydrateChildren(nextSibling(node), vnode, container, parentComponent, parentSuspense, slotScopeIds, optimized);
fxy060608's avatar
fxy060608 已提交
4183

fxy060608's avatar
fxy060608 已提交
4184 4185 4186 4187 4188 4189
    if (next && isComment(next) && next.data === ']') {
      return nextSibling(vnode.anchor = next);
    } else {
      // fragment didn't hydrate successfully, since we didn't get a end anchor
      // back. This should have led to node/children mismatch warnings.
      hasMismatch = true; // since the anchor is missing, we need to create one and insert it
fxy060608's avatar
fxy060608 已提交
4190

fxy060608's avatar
fxy060608 已提交
4191 4192 4193 4194
      insert(vnode.anchor = createComment("]"), container, next);
      return next;
    }
  };
fxy060608's avatar
fxy060608 已提交
4195

fxy060608's avatar
fxy060608 已提交
4196 4197 4198
  var handleMismatch = (node, vnode, parentComponent, parentSuspense, slotScopeIds, isFragment) => {
    hasMismatch = true;
    vnode.el = null;
fxy060608's avatar
fxy060608 已提交
4199

fxy060608's avatar
fxy060608 已提交
4200 4201 4202
    if (isFragment) {
      // remove excessive fragment nodes
      var end = locateClosingAsyncAnchor(node);
fxy060608's avatar
fxy060608 已提交
4203

fxy060608's avatar
fxy060608 已提交
4204 4205 4206 4207 4208 4209 4210 4211 4212 4213
      while (true) {
        var _next = nextSibling(node);

        if (_next && _next !== end) {
          remove(_next);
        } else {
          break;
        }
      }
    }
fxy060608's avatar
fxy060608 已提交
4214

fxy060608's avatar
fxy060608 已提交
4215 4216 4217 4218 4219 4220
    var next = nextSibling(node);
    var container = parentNode(node);
    remove(node);
    patch(null, vnode, container, next, parentComponent, parentSuspense, isSVGContainer(container), slotScopeIds);
    return next;
  };
fxy060608's avatar
fxy060608 已提交
4221

fxy060608's avatar
fxy060608 已提交
4222 4223
  var locateClosingAsyncAnchor = node => {
    var match = 0;
fxy060608's avatar
fxy060608 已提交
4224

fxy060608's avatar
fxy060608 已提交
4225 4226
    while (node) {
      node = nextSibling(node);
fxy060608's avatar
fxy060608 已提交
4227

fxy060608's avatar
fxy060608 已提交
4228 4229
      if (node && isComment(node)) {
        if (node.data === '[') match++;
fxy060608's avatar
fxy060608 已提交
4230

fxy060608's avatar
fxy060608 已提交
4231 4232 4233 4234 4235
        if (node.data === ']') {
          if (match === 0) {
            return nextSibling(node);
          } else {
            match--;
fxy060608's avatar
fxy060608 已提交
4236 4237
          }
        }
fxy060608's avatar
fxy060608 已提交
4238 4239
      }
    }
fxy060608's avatar
fxy060608 已提交
4240

fxy060608's avatar
fxy060608 已提交
4241 4242
    return node;
  };
fxy060608's avatar
fxy060608 已提交
4243

fxy060608's avatar
fxy060608 已提交
4244 4245
  return [hydrate, hydrateNode];
}
fxy060608's avatar
fxy060608 已提交
4246

fxy060608's avatar
fxy060608 已提交
4247 4248 4249 4250 4251 4252 4253 4254 4255 4256 4257 4258 4259 4260 4261 4262 4263 4264 4265 4266 4267 4268 4269 4270 4271 4272 4273 4274 4275 4276 4277 4278 4279 4280 4281 4282 4283 4284 4285 4286 4287 4288 4289 4290 4291 4292 4293 4294 4295 4296 4297 4298 4299 4300 4301 4302 4303 4304 4305 4306 4307 4308 4309 4310 4311 4312 4313 4314 4315 4316 4317 4318 4319 4320 4321 4322
var queuePostRenderEffect = queueEffectWithSuspense;
/**
 * The createRenderer function accepts two generic arguments:
 * HostNode and HostElement, corresponding to Node and Element types in the
 * host environment. For example, for runtime-dom, HostNode would be the DOM
 * `Node` interface and HostElement would be the DOM `Element` interface.
 *
 * Custom renderers can pass in the platform specific types like this:
 *
 * ``` js
 * const { render, createApp } = createRenderer<Node, Element>({
 *   patchProp,
 *   ...nodeOps
 * })
 * ```
 */

function createRenderer(options) {
  return baseCreateRenderer(options);
} // Separate API for creating hydration-enabled renderer.
// Hydration logic is only used when calling this function, making it
// tree-shakable.


function createHydrationRenderer(options) {
  return baseCreateRenderer(options, createHydrationFunctions);
} // implementation


function baseCreateRenderer(options, createHydrationFns) {
  var target = getGlobalThis();
  target.__VUE__ = true;
  var {
    insert: hostInsert,
    remove: hostRemove,
    patchProp: hostPatchProp,
    forcePatchProp: hostForcePatchProp,
    // fixed by xxxxxx
    createElement: hostCreateElement,
    createText: hostCreateText,
    createComment: hostCreateComment,
    setText: hostSetText,
    setElementText: hostSetElementText,
    parentNode: hostParentNode,
    nextSibling: hostNextSibling,
    setScopeId: hostSetScopeId = NOOP,
    cloneNode: hostCloneNode,
    insertStaticContent: hostInsertStaticContent
  } = options; // Note: functions inside this closure should use `const xxx = () => {}`
  // style in order to prevent being inlined by minifiers.

  var patch = function (n1, n2, container) {
    var anchor = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : null;
    var parentComponent = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : null;
    var parentSuspense = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : null;
    var isSVG = arguments.length > 6 && arguments[6] !== undefined ? arguments[6] : false;
    var slotScopeIds = arguments.length > 7 && arguments[7] !== undefined ? arguments[7] : null;
    var optimized = arguments.length > 8 && arguments[8] !== undefined ? arguments[8] : !!n2.dynamicChildren;

    if (n1 === n2) {
      return;
    } // patching & not same type, unmount old tree


    if (n1 && !isSameVNodeType(n1, n2)) {
      anchor = getNextHostNode(n1);
      unmount(n1, parentComponent, parentSuspense, true);
      n1 = null;
    }

    if (n2.patchFlag === -2
    /* BAIL */
    ) {
      optimized = false;
      n2.dynamicChildren = null;
    }
fxy060608's avatar
fxy060608 已提交
4323

fxy060608's avatar
fxy060608 已提交
4324 4325 4326 4327 4328
    var {
      type,
      ref,
      shapeFlag
    } = n2;
fxy060608's avatar
fxy060608 已提交
4329

fxy060608's avatar
fxy060608 已提交
4330 4331 4332 4333
    switch (type) {
      case Text:
        processText(n1, n2, container, anchor);
        break;
fxy060608's avatar
fxy060608 已提交
4334

fxy060608's avatar
fxy060608 已提交
4335 4336 4337
      case Comment:
        processCommentNode(n1, n2, container, anchor);
        break;
fxy060608's avatar
fxy060608 已提交
4338

fxy060608's avatar
fxy060608 已提交
4339
      case Static:
fxy060608's avatar
fxy060608 已提交
4340
        if (n1 == null) {
fxy060608's avatar
fxy060608 已提交
4341
          mountStaticNode(n2, container, anchor, isSVG);
fxy060608's avatar
fxy060608 已提交
4342
        }
fxy060608's avatar
fxy060608 已提交
4343

fxy060608's avatar
fxy060608 已提交
4344 4345 4346 4347 4348 4349 4350 4351 4352
        break;

      case Fragment:
        processFragment(n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized);
        break;

      default:
        if (shapeFlag & 1
        /* ELEMENT */
fxy060608's avatar
fxy060608 已提交
4353
        ) {
fxy060608's avatar
fxy060608 已提交
4354 4355 4356 4357 4358 4359 4360 4361 4362 4363 4364 4365 4366 4367
          processElement(n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized);
        } else if (shapeFlag & 6
        /* COMPONENT */
        ) {
          processComponent(n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized);
        } else if (shapeFlag & 64
        /* TELEPORT */
        ) {
          type.process(n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized, internals);
        } else if (shapeFlag & 128
        /* SUSPENSE */
        ) {
          type.process(n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized, internals);
        } else ;
fxy060608's avatar
fxy060608 已提交
4368

fxy060608's avatar
fxy060608 已提交
4369
    } // set ref
fxy060608's avatar
fxy060608 已提交
4370 4371


fxy060608's avatar
fxy060608 已提交
4372 4373 4374 4375
    if (ref != null && parentComponent) {
      setRef(ref, n1 && n1.ref, parentSuspense, n2 || n1, !n2);
    }
  };
fxy060608's avatar
fxy060608 已提交
4376

fxy060608's avatar
fxy060608 已提交
4377 4378 4379 4380 4381
  var processText = (n1, n2, container, anchor) => {
    if (n1 == null) {
      hostInsert(n2.el = hostCreateText(n2.children), container, anchor);
    } else {
      var el = n2.el = n1.el;
fxy060608's avatar
fxy060608 已提交
4382

fxy060608's avatar
fxy060608 已提交
4383 4384 4385 4386 4387
      if (n2.children !== n1.children) {
        hostSetText(el, n2.children);
      }
    }
  };
fxy060608's avatar
fxy060608 已提交
4388

fxy060608's avatar
fxy060608 已提交
4389 4390 4391 4392 4393 4394 4395 4396
  var processCommentNode = (n1, n2, container, anchor) => {
    if (n1 == null) {
      hostInsert(n2.el = hostCreateComment(n2.children || ''), container, anchor);
    } else {
      // there's no support for dynamic comments
      n2.el = n1.el;
    }
  };
fxy060608's avatar
fxy060608 已提交
4397

fxy060608's avatar
fxy060608 已提交
4398 4399 4400
  var mountStaticNode = (n2, container, anchor, isSVG) => {
    [n2.el, n2.anchor] = hostInsertStaticContent(n2.children, container, anchor, isSVG, n2.el, n2.anchor);
  };
fxy060608's avatar
fxy060608 已提交
4401

fxy060608's avatar
fxy060608 已提交
4402 4403 4404 4405 4406 4407
  var moveStaticNode = (_ref10, container, nextSibling) => {
    var {
      el,
      anchor
    } = _ref10;
    var next;
fxy060608's avatar
fxy060608 已提交
4408

fxy060608's avatar
fxy060608 已提交
4409 4410 4411 4412 4413
    while (el && el !== anchor) {
      next = hostNextSibling(el);
      hostInsert(el, container, nextSibling);
      el = next;
    }
fxy060608's avatar
fxy060608 已提交
4414

fxy060608's avatar
fxy060608 已提交
4415 4416
    hostInsert(anchor, container, nextSibling);
  };
fxy060608's avatar
fxy060608 已提交
4417

fxy060608's avatar
fxy060608 已提交
4418 4419 4420 4421 4422 4423
  var removeStaticNode = _ref11 => {
    var {
      el,
      anchor
    } = _ref11;
    var next;
fxy060608's avatar
fxy060608 已提交
4424

fxy060608's avatar
fxy060608 已提交
4425 4426 4427 4428 4429
    while (el && el !== anchor) {
      next = hostNextSibling(el);
      hostRemove(el);
      el = next;
    }
fxy060608's avatar
fxy060608 已提交
4430

fxy060608's avatar
fxy060608 已提交
4431 4432
    hostRemove(anchor);
  };
fxy060608's avatar
fxy060608 已提交
4433

fxy060608's avatar
fxy060608 已提交
4434 4435
  var processElement = (n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized) => {
    isSVG = isSVG || n2.type === 'svg';
fxy060608's avatar
fxy060608 已提交
4436

fxy060608's avatar
fxy060608 已提交
4437 4438 4439 4440 4441 4442
    if (n1 == null) {
      mountElement(n2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized);
    } else {
      patchElement(n1, n2, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized);
    }
  };
fxy060608's avatar
fxy060608 已提交
4443

fxy060608's avatar
fxy060608 已提交
4444 4445 4446 4447 4448 4449 4450 4451 4452 4453 4454
  var mountElement = (vnode, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized) => {
    var el;
    var vnodeHook;
    var {
      type,
      props,
      shapeFlag,
      transition,
      patchFlag,
      dirs
    } = vnode;
fxy060608's avatar
fxy060608 已提交
4455

fxy060608's avatar
fxy060608 已提交
4456 4457 4458 4459 4460 4461 4462 4463 4464 4465 4466 4467 4468 4469 4470 4471 4472 4473 4474 4475 4476
    if (vnode.el && hostCloneNode !== undefined && patchFlag === -1
    /* HOISTED */
    ) {
      // If a vnode has non-null el, it means it's being reused.
      // Only static vnodes can be reused, so its mounted DOM nodes should be
      // exactly the same, and we can simply do a clone here.
      // only do this in production since cloned trees cannot be HMR updated.
      el = vnode.el = hostCloneNode(vnode.el);
    } else {
      el = vnode.el = hostCreateElement(vnode.type, isSVG, props && props.is, props); // mount children first, since some props may rely on child content
      // being already rendered, e.g. `<select value>`

      if (shapeFlag & 8
      /* TEXT_CHILDREN */
      ) {
        hostSetElementText(el, vnode.children);
      } else if (shapeFlag & 16
      /* ARRAY_CHILDREN */
      ) {
        mountChildren(vnode.children, el, null, parentComponent, parentSuspense, isSVG && type !== 'foreignObject', slotScopeIds, optimized);
      }
fxy060608's avatar
fxy060608 已提交
4477

fxy060608's avatar
fxy060608 已提交
4478 4479 4480
      if (dirs) {
        invokeDirectiveHook(vnode, null, parentComponent, 'created');
      } // props
fxy060608's avatar
fxy060608 已提交
4481 4482


fxy060608's avatar
fxy060608 已提交
4483 4484 4485 4486 4487
      if (props) {
        for (var key in props) {
          if (key !== 'value' && !isReservedProp(key)) {
            hostPatchProp(el, key, null, props[key], isSVG, vnode.children, parentComponent, parentSuspense, unmountChildren);
          }
fxy060608's avatar
fxy060608 已提交
4488
        }
fxy060608's avatar
fxy060608 已提交
4489 4490 4491 4492 4493 4494 4495 4496 4497
        /**
         * Special case for setting value on DOM elements:
         * - it can be order-sensitive (e.g. should be set *after* min/max, #2325, #4024)
         * - it needs to be forced (#1471)
         * #2353 proposes adding another renderer option to configure this, but
         * the properties affects are so finite it is worth special casing it
         * here to reduce the complexity. (Special casing it also should not
         * affect non-DOM renderers)
         */
fxy060608's avatar
fxy060608 已提交
4498 4499


fxy060608's avatar
fxy060608 已提交
4500 4501
        if ('value' in props) {
          hostPatchProp(el, 'value', null, props.value);
fxy060608's avatar
fxy060608 已提交
4502
        }
fxy060608's avatar
fxy060608 已提交
4503

fxy060608's avatar
fxy060608 已提交
4504 4505
        if (vnodeHook = props.onVnodeBeforeMount) {
          invokeVNodeHook(vnodeHook, parentComponent, vnode);
fxy060608's avatar
fxy060608 已提交
4506
        }
fxy060608's avatar
fxy060608 已提交
4507
      } // scopeId
fxy060608's avatar
fxy060608 已提交
4508 4509


fxy060608's avatar
fxy060608 已提交
4510 4511
      setScopeId(el, vnode, vnode.scopeId, slotScopeIds, parentComponent);
    }
fxy060608's avatar
fxy060608 已提交
4512

fxy060608's avatar
fxy060608 已提交
4513 4514 4515 4516
    if (dirs) {
      invokeDirectiveHook(vnode, null, parentComponent, 'beforeMount');
    } // #1583 For inside suspense + suspense not resolved case, enter hook should call when suspense resolved
    // #1689 For inside suspense + suspense resolved case, just call it
fxy060608's avatar
fxy060608 已提交
4517 4518


fxy060608's avatar
fxy060608 已提交
4519
    var needCallTransitionHooks = (!parentSuspense || parentSuspense && !parentSuspense.pendingBranch) && transition && !transition.persisted;
fxy060608's avatar
fxy060608 已提交
4520

fxy060608's avatar
fxy060608 已提交
4521 4522 4523
    if (needCallTransitionHooks) {
      transition.beforeEnter(el);
    }
fxy060608's avatar
fxy060608 已提交
4524

fxy060608's avatar
fxy060608 已提交
4525
    hostInsert(el, container, anchor);
fxy060608's avatar
fxy060608 已提交
4526

fxy060608's avatar
fxy060608 已提交
4527 4528 4529 4530 4531 4532 4533 4534
    if ((vnodeHook = props && props.onVnodeMounted) || needCallTransitionHooks || dirs) {
      queuePostRenderEffect(() => {
        vnodeHook && invokeVNodeHook(vnodeHook, parentComponent, vnode);
        needCallTransitionHooks && transition.enter(el);
        dirs && invokeDirectiveHook(vnode, null, parentComponent, 'mounted');
      }, parentSuspense);
    }
  };
fxy060608's avatar
fxy060608 已提交
4535

fxy060608's avatar
fxy060608 已提交
4536 4537 4538 4539
  var setScopeId = (el, vnode, scopeId, slotScopeIds, parentComponent) => {
    if (scopeId) {
      hostSetScopeId(el, scopeId);
    }
fxy060608's avatar
fxy060608 已提交
4540

fxy060608's avatar
fxy060608 已提交
4541 4542 4543 4544 4545
    if (slotScopeIds) {
      for (var i = 0; i < slotScopeIds.length; i++) {
        hostSetScopeId(el, slotScopeIds[i]);
      }
    }
fxy060608's avatar
fxy060608 已提交
4546

fxy060608's avatar
fxy060608 已提交
4547 4548
    if (parentComponent) {
      var subTree = parentComponent.subTree;
fxy060608's avatar
fxy060608 已提交
4549

fxy060608's avatar
fxy060608 已提交
4550 4551 4552 4553 4554 4555
      if (vnode === subTree) {
        var parentVNode = parentComponent.vnode;
        setScopeId(el, parentVNode, parentVNode.scopeId, parentVNode.slotScopeIds, parentComponent.parent);
      }
    }
  };
fxy060608's avatar
fxy060608 已提交
4556

fxy060608's avatar
fxy060608 已提交
4557 4558
  var mountChildren = function (children, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized) {
    var start = arguments.length > 8 && arguments[8] !== undefined ? arguments[8] : 0;
fxy060608's avatar
fxy060608 已提交
4559

fxy060608's avatar
fxy060608 已提交
4560 4561 4562 4563 4564
    for (var i = start; i < children.length; i++) {
      var child = children[i] = optimized ? cloneIfMounted(children[i]) : normalizeVNode(children[i]);
      patch(null, child, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized);
    }
  };
fxy060608's avatar
fxy060608 已提交
4565

fxy060608's avatar
fxy060608 已提交
4566 4567 4568 4569 4570 4571 4572 4573
  var patchElement = (n1, n2, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized) => {
    var el = n2.el = n1.el;
    var {
      patchFlag,
      dynamicChildren,
      dirs
    } = n2; // #1426 take the old vnode's patch flag into account since user may clone a
    // compiler-generated vnode, which de-opts to FULL_PROPS
fxy060608's avatar
fxy060608 已提交
4574

fxy060608's avatar
fxy060608 已提交
4575 4576 4577 4578 4579 4580
    patchFlag |= n1.patchFlag & 16
    /* FULL_PROPS */
    ;
    var oldProps = n1.props || EMPTY_OBJ;
    var newProps = n2.props || EMPTY_OBJ;
    var vnodeHook; // disable recurse in beforeUpdate hooks
fxy060608's avatar
fxy060608 已提交
4581

fxy060608's avatar
fxy060608 已提交
4582
    parentComponent && toggleRecurse(parentComponent, false);
fxy060608's avatar
fxy060608 已提交
4583

fxy060608's avatar
fxy060608 已提交
4584 4585 4586
    if (vnodeHook = newProps.onVnodeBeforeUpdate) {
      invokeVNodeHook(vnodeHook, parentComponent, n2, n1);
    }
fxy060608's avatar
fxy060608 已提交
4587

fxy060608's avatar
fxy060608 已提交
4588 4589 4590
    if (dirs) {
      invokeDirectiveHook(n2, n1, parentComponent, 'beforeUpdate');
    }
fxy060608's avatar
fxy060608 已提交
4591

fxy060608's avatar
fxy060608 已提交
4592 4593
    parentComponent && toggleRecurse(parentComponent, true);
    var areChildrenSVG = isSVG && n2.type !== 'foreignObject';
fxy060608's avatar
fxy060608 已提交
4594

fxy060608's avatar
fxy060608 已提交
4595 4596 4597 4598 4599 4600
    if (dynamicChildren) {
      patchBlockChildren(n1.dynamicChildren, dynamicChildren, el, parentComponent, parentSuspense, areChildrenSVG, slotScopeIds);
    } else if (!optimized) {
      // full diff
      patchChildren(n1, n2, el, null, parentComponent, parentSuspense, areChildrenSVG, slotScopeIds, false);
    }
fxy060608's avatar
fxy060608 已提交
4601

fxy060608's avatar
fxy060608 已提交
4602 4603 4604 4605 4606 4607 4608 4609 4610 4611 4612 4613 4614 4615 4616 4617 4618 4619
    if (patchFlag > 0) {
      // the presence of a patchFlag means this element's render code was
      // generated by the compiler and can take the fast path.
      // in this path old node and new node are guaranteed to have the same shape
      // (i.e. at the exact same position in the source template)
      if (patchFlag & 16
      /* FULL_PROPS */
      ) {
        // element props contain dynamic keys, full diff needed
        patchProps(el, n2, oldProps, newProps, parentComponent, parentSuspense, isSVG);
      } else {
        // class
        // this flag is matched when the element has dynamic class bindings.
        if (patchFlag & 2
        /* CLASS */
        ) {
          if (oldProps.class !== newProps.class) {
            hostPatchProp(el, 'class', null, newProps.class, isSVG);
fxy060608's avatar
fxy060608 已提交
4620
          }
fxy060608's avatar
fxy060608 已提交
4621 4622
        } // style
        // this flag is matched when the element has dynamic style bindings
fxy060608's avatar
fxy060608 已提交
4623 4624


fxy060608's avatar
fxy060608 已提交
4625 4626 4627 4628 4629 4630 4631 4632 4633 4634
        if (patchFlag & 4
        /* STYLE */
        ) {
          hostPatchProp(el, 'style', oldProps.style, newProps.style, isSVG);
        } // props
        // This flag is matched when the element has dynamic prop/attr bindings
        // other than class and style. The keys of dynamic prop/attrs are saved for
        // faster iteration.
        // Note dynamic keys like :[foo]="bar" will cause this optimization to
        // bail out and go through a full diff because we need to unset the old key
fxy060608's avatar
fxy060608 已提交
4635 4636


fxy060608's avatar
fxy060608 已提交
4637 4638 4639 4640 4641
        if (patchFlag & 8
        /* PROPS */
        ) {
          // if the flag is present then dynamicProps must be non-null
          var propsToUpdate = n2.dynamicProps;
fxy060608's avatar
fxy060608 已提交
4642

fxy060608's avatar
fxy060608 已提交
4643 4644 4645 4646
          for (var i = 0; i < propsToUpdate.length; i++) {
            var key = propsToUpdate[i];
            var prev = oldProps[key];
            var next = newProps[key]; // #1471 force patch value
fxy060608's avatar
fxy060608 已提交
4647

fxy060608's avatar
fxy060608 已提交
4648
            if (next !== prev || key === 'value' || hostForcePatchProp && hostForcePatchProp(el, key) // fixed by xxxxxx
fxy060608's avatar
fxy060608 已提交
4649
            ) {
fxy060608's avatar
fxy060608 已提交
4650
              hostPatchProp(el, key, prev, next, isSVG, n1.children, parentComponent, parentSuspense, unmountChildren);
fxy060608's avatar
fxy060608 已提交
4651
            }
fxy060608's avatar
fxy060608 已提交
4652 4653 4654 4655
          }
        }
      } // text
      // This flag is matched when the element has only dynamic text children.
fxy060608's avatar
fxy060608 已提交
4656 4657


fxy060608's avatar
fxy060608 已提交
4658 4659 4660 4661 4662 4663 4664 4665 4666 4667 4668
      if (patchFlag & 1
      /* TEXT */
      ) {
        if (n1.children !== n2.children) {
          hostSetElementText(el, n2.children);
        }
      }
    } else if (!optimized && dynamicChildren == null) {
      // unoptimized, full diff
      patchProps(el, n2, oldProps, newProps, parentComponent, parentSuspense, isSVG);
    }
fxy060608's avatar
fxy060608 已提交
4669

fxy060608's avatar
fxy060608 已提交
4670 4671 4672 4673 4674 4675 4676
    if ((vnodeHook = newProps.onVnodeUpdated) || dirs) {
      queuePostRenderEffect(() => {
        vnodeHook && invokeVNodeHook(vnodeHook, parentComponent, n2, n1);
        dirs && invokeDirectiveHook(n2, n1, parentComponent, 'updated');
      }, parentSuspense);
    }
  }; // The fast path for blocks.
fxy060608's avatar
fxy060608 已提交
4677 4678


fxy060608's avatar
fxy060608 已提交
4679 4680 4681 4682
  var patchBlockChildren = (oldChildren, newChildren, fallbackContainer, parentComponent, parentSuspense, isSVG, slotScopeIds) => {
    for (var i = 0; i < newChildren.length; i++) {
      var oldVNode = oldChildren[i];
      var newVNode = newChildren[i]; // Determine the container (parent element) for the patch.
fxy060608's avatar
fxy060608 已提交
4683

fxy060608's avatar
fxy060608 已提交
4684 4685 4686 4687 4688 4689 4690 4691 4692 4693 4694 4695 4696 4697 4698 4699 4700 4701 4702 4703 4704 4705 4706 4707 4708 4709 4710 4711 4712 4713 4714
      var container = // oldVNode may be an errored async setup() component inside Suspense
      // which will not have a mounted element
      oldVNode.el && ( // - In the case of a Fragment, we need to provide the actual parent
      // of the Fragment itself so it can move its children.
      oldVNode.type === Fragment || // - In the case of different nodes, there is going to be a replacement
      // which also requires the correct parent container
      !isSameVNodeType(oldVNode, newVNode) || // - In the case of a component, it could contain anything.
      oldVNode.shapeFlag & (6
      /* COMPONENT */
      | 64
      /* TELEPORT */
      )) ? hostParentNode(oldVNode.el) : // In other cases, the parent container is not actually used so we
      // just pass the block element here to avoid a DOM parentNode call.
      fallbackContainer;
      patch(oldVNode, newVNode, container, null, parentComponent, parentSuspense, isSVG, slotScopeIds, true);
    }
  };

  var patchProps = (el, vnode, oldProps, newProps, parentComponent, parentSuspense, isSVG) => {
    if (oldProps !== newProps) {
      for (var key in newProps) {
        // empty string is not valid prop
        if (isReservedProp(key)) continue;
        var next = newProps[key];
        var prev = oldProps[key]; // defer patching value

        if (next !== prev && key !== 'value' || hostForcePatchProp && hostForcePatchProp(el, key) // fixed by xxxxxx
        ) {
          hostPatchProp(el, key, prev, next, isSVG, vnode.children, parentComponent, parentSuspense, unmountChildren);
        }
      }
fxy060608's avatar
fxy060608 已提交
4715

fxy060608's avatar
fxy060608 已提交
4716 4717 4718 4719 4720 4721 4722
      if (oldProps !== EMPTY_OBJ) {
        for (var _key10 in oldProps) {
          if (!isReservedProp(_key10) && !(_key10 in newProps)) {
            hostPatchProp(el, _key10, oldProps[_key10], null, isSVG, vnode.children, parentComponent, parentSuspense, unmountChildren);
          }
        }
      }
fxy060608's avatar
fxy060608 已提交
4723

fxy060608's avatar
fxy060608 已提交
4724 4725 4726 4727 4728
      if ('value' in newProps) {
        hostPatchProp(el, 'value', oldProps.value, newProps.value);
      }
    }
  };
fxy060608's avatar
fxy060608 已提交
4729

fxy060608's avatar
fxy060608 已提交
4730 4731 4732 4733 4734 4735 4736 4737
  var processFragment = (n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized) => {
    var fragmentStartAnchor = n2.el = n1 ? n1.el : hostCreateText('');
    var fragmentEndAnchor = n2.anchor = n1 ? n1.anchor : hostCreateText('');
    var {
      patchFlag,
      dynamicChildren,
      slotScopeIds: fragmentSlotScopeIds
    } = n2; // check if this is a slot fragment with :slotted scope ids
fxy060608's avatar
fxy060608 已提交
4738

fxy060608's avatar
fxy060608 已提交
4739 4740 4741
    if (fragmentSlotScopeIds) {
      slotScopeIds = slotScopeIds ? slotScopeIds.concat(fragmentSlotScopeIds) : fragmentSlotScopeIds;
    }
fxy060608's avatar
fxy060608 已提交
4742

fxy060608's avatar
fxy060608 已提交
4743 4744 4745 4746 4747
    if (n1 == null) {
      hostInsert(fragmentStartAnchor, container, anchor);
      hostInsert(fragmentEndAnchor, container, anchor); // a fragment can only have array children
      // since they are either generated by the compiler, or implicitly created
      // from arrays.
fxy060608's avatar
fxy060608 已提交
4748

fxy060608's avatar
fxy060608 已提交
4749 4750 4751 4752 4753 4754 4755 4756 4757 4758 4759 4760 4761 4762 4763 4764 4765 4766 4767 4768 4769 4770 4771 4772 4773 4774 4775 4776 4777
      mountChildren(n2.children, container, fragmentEndAnchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized);
    } else {
      if (patchFlag > 0 && patchFlag & 64
      /* STABLE_FRAGMENT */
      && dynamicChildren && // #2715 the previous fragment could've been a BAILed one as a result
      // of renderSlot() with no valid children
      n1.dynamicChildren) {
        // a stable fragment (template root or <template v-for>) doesn't need to
        // patch children order, but it may contain dynamicChildren.
        patchBlockChildren(n1.dynamicChildren, dynamicChildren, container, parentComponent, parentSuspense, isSVG, slotScopeIds);

        if ( // #2080 if the stable fragment has a key, it's a <template v-for> that may
        //  get moved around. Make sure all root level vnodes inherit el.
        // #2134 or if it's a component root, it may also get moved around
        // as the component is being moved.
        n2.key != null || parentComponent && n2 === parentComponent.subTree) {
          traverseStaticChildren(n1, n2, true
          /* shallow */
          );
        }
      } else {
        // keyed / unkeyed, or manual fragments.
        // for keyed & unkeyed, since they are compiler generated from v-for,
        // each child is guaranteed to be a block so the fragment will never
        // have dynamicChildren.
        patchChildren(n1, n2, container, fragmentEndAnchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized);
      }
    }
  };
fxy060608's avatar
fxy060608 已提交
4778

fxy060608's avatar
fxy060608 已提交
4779 4780
  var processComponent = (n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized) => {
    n2.slotScopeIds = slotScopeIds;
fxy060608's avatar
fxy060608 已提交
4781

fxy060608's avatar
fxy060608 已提交
4782 4783 4784 4785 4786 4787 4788 4789 4790 4791 4792 4793
    if (n1 == null) {
      if (n2.shapeFlag & 512
      /* COMPONENT_KEPT_ALIVE */
      ) {
        parentComponent.ctx.activate(n2, container, anchor, isSVG, optimized);
      } else {
        mountComponent(n2, container, anchor, parentComponent, parentSuspense, isSVG, optimized);
      }
    } else {
      updateComponent(n1, n2, optimized);
    }
  };
fxy060608's avatar
fxy060608 已提交
4794

fxy060608's avatar
fxy060608 已提交
4795 4796
  var mountComponent = (initialVNode, container, anchor, parentComponent, parentSuspense, isSVG, optimized) => {
    var instance = initialVNode.component = createComponentInstance(initialVNode, parentComponent, parentSuspense); // inject renderer internals for keepAlive
fxy060608's avatar
fxy060608 已提交
4797

fxy060608's avatar
fxy060608 已提交
4798 4799 4800
    if (isKeepAlive(initialVNode)) {
      instance.ctx.renderer = internals;
    } // resolve props and slots for setup context
fxy060608's avatar
fxy060608 已提交
4801

fxy060608's avatar
fxy060608 已提交
4802

fxy060608's avatar
fxy060608 已提交
4803 4804 4805 4806
    {
      setupComponent(instance);
    } // setup() is async. This component relies on async logic to be resolved
    // before proceeding
fxy060608's avatar
fxy060608 已提交
4807

fxy060608's avatar
fxy060608 已提交
4808 4809 4810
    if (instance.asyncDep) {
      parentSuspense && parentSuspense.registerDep(instance, setupRenderEffect); // Give it a placeholder if this is not hydration
      // TODO handle self-defined fallback
fxy060608's avatar
fxy060608 已提交
4811

fxy060608's avatar
fxy060608 已提交
4812 4813 4814 4815
      if (!initialVNode.el) {
        var placeholder = instance.subTree = createVNode(Comment);
        processCommentNode(null, placeholder, container, anchor);
      }
fxy060608's avatar
fxy060608 已提交
4816

fxy060608's avatar
fxy060608 已提交
4817 4818
      return;
    }
fxy060608's avatar
fxy060608 已提交
4819

fxy060608's avatar
fxy060608 已提交
4820 4821
    setupRenderEffect(instance, initialVNode, container, anchor, parentSuspense, isSVG, optimized);
  };
fxy060608's avatar
fxy060608 已提交
4822

fxy060608's avatar
fxy060608 已提交
4823 4824
  var updateComponent = (n1, n2, optimized) => {
    var instance = n2.component = n1.component;
fxy060608's avatar
fxy060608 已提交
4825

fxy060608's avatar
fxy060608 已提交
4826 4827 4828 4829 4830 4831 4832 4833
    if (shouldUpdateComponent(n1, n2, optimized)) {
      if (instance.asyncDep && !instance.asyncResolved) {
        updateComponentPreRender(instance, n2, optimized);
        return;
      } else {
        // normal update
        instance.next = n2; // in case the child component is also queued, remove it to avoid
        // double updating the same child component in the same flush.
fxy060608's avatar
fxy060608 已提交
4834

fxy060608's avatar
fxy060608 已提交
4835
        invalidateJob(instance.update); // instance.update is the reactive effect.
fxy060608's avatar
fxy060608 已提交
4836

fxy060608's avatar
fxy060608 已提交
4837 4838 4839 4840 4841 4842 4843 4844 4845
        instance.update();
      }
    } else {
      // no update needed. just copy over properties
      n2.component = n1.component;
      n2.el = n1.el;
      instance.vnode = n2;
    }
  };
fxy060608's avatar
fxy060608 已提交
4846

fxy060608's avatar
fxy060608 已提交
4847 4848 4849 4850 4851 4852 4853 4854 4855 4856 4857 4858 4859 4860 4861
  var setupRenderEffect = (instance, initialVNode, container, anchor, parentSuspense, isSVG, optimized) => {
    var componentUpdateFn = () => {
      if (!instance.isMounted) {
        var vnodeHook;
        var {
          el,
          props
        } = initialVNode;
        var {
          bm,
          m,
          parent
        } = instance;
        var isAsyncWrapperVNode = isAsyncWrapper(initialVNode);
        toggleRecurse(instance, false); // beforeMount hook
fxy060608's avatar
fxy060608 已提交
4862

fxy060608's avatar
fxy060608 已提交
4863 4864 4865
        if (bm) {
          invokeArrayFns(bm);
        } // onVnodeBeforeMount
fxy060608's avatar
fxy060608 已提交
4866 4867


fxy060608's avatar
fxy060608 已提交
4868 4869 4870
        if (!isAsyncWrapperVNode && (vnodeHook = props && props.onVnodeBeforeMount)) {
          invokeVNodeHook(vnodeHook, parent, initialVNode);
        }
fxy060608's avatar
fxy060608 已提交
4871

fxy060608's avatar
fxy060608 已提交
4872
        toggleRecurse(instance, true);
fxy060608's avatar
fxy060608 已提交
4873

fxy060608's avatar
fxy060608 已提交
4874 4875 4876 4877 4878 4879
        if (el && hydrateNode) {
          // vnode has adopted host node - perform hydration instead of mount.
          var hydrateSubTree = () => {
            instance.subTree = renderComponentRoot(instance);
            hydrateNode(el, instance.subTree, instance, parentSuspense, null);
          };
fxy060608's avatar
fxy060608 已提交
4880

fxy060608's avatar
fxy060608 已提交
4881 4882 4883 4884 4885 4886
          if (isAsyncWrapperVNode) {
            initialVNode.type.__asyncLoader().then( // note: we are moving the render call into an async callback,
            // which means it won't track dependencies - but it's ok because
            // a server-rendered async wrapper is already in resolved state
            // and it will never need to change.
            () => !instance.isUnmounted && hydrateSubTree());
fxy060608's avatar
fxy060608 已提交
4887
          } else {
fxy060608's avatar
fxy060608 已提交
4888
            hydrateSubTree();
fxy060608's avatar
fxy060608 已提交
4889
          }
fxy060608's avatar
fxy060608 已提交
4890 4891 4892 4893 4894
        } else {
          var subTree = instance.subTree = renderComponentRoot(instance);
          patch(null, subTree, container, anchor, instance, parentSuspense, isSVG);
          initialVNode.el = subTree.el;
        } // mounted hook
fxy060608's avatar
fxy060608 已提交
4895 4896


fxy060608's avatar
fxy060608 已提交
4897 4898 4899
        if (m) {
          queuePostRenderEffect(m, parentSuspense);
        } // onVnodeMounted
fxy060608's avatar
fxy060608 已提交
4900 4901


fxy060608's avatar
fxy060608 已提交
4902 4903 4904 4905 4906 4907
        if (!isAsyncWrapperVNode && (vnodeHook = props && props.onVnodeMounted)) {
          var scopedInitialVNode = initialVNode;
          queuePostRenderEffect(() => invokeVNodeHook(vnodeHook, parent, scopedInitialVNode), parentSuspense);
        } // activated hook for keep-alive roots.
        // #1742 activated hook must be accessed after first render
        // since the hook may be injected by a child keep-alive
fxy060608's avatar
fxy060608 已提交
4908

fxy060608's avatar
fxy060608 已提交
4909

fxy060608's avatar
fxy060608 已提交
4910 4911 4912 4913 4914
        if (initialVNode.shapeFlag & 256
        /* COMPONENT_SHOULD_KEEP_ALIVE */
        ) {
          instance.a && queuePostRenderEffect(instance.a, parentSuspense);
        }
fxy060608's avatar
fxy060608 已提交
4915

fxy060608's avatar
fxy060608 已提交
4916
        instance.isMounted = true; // #2458: deference mount-only object parameters to prevent memleaks
fxy060608's avatar
fxy060608 已提交
4917

fxy060608's avatar
fxy060608 已提交
4918 4919 4920 4921 4922 4923 4924 4925 4926 4927 4928 4929 4930
        initialVNode = container = anchor = null;
      } else {
        // updateComponent
        // This is triggered by mutation of component's own state (next: null)
        // OR parent calling processComponent (next: VNode)
        var {
          next,
          bu,
          u,
          parent: _parent,
          vnode
        } = instance;
        var originNext = next;
fxy060608's avatar
fxy060608 已提交
4931

fxy060608's avatar
fxy060608 已提交
4932
        var _vnodeHook; // Disallow component effect recursion during pre-lifecycle hooks.
fxy060608's avatar
fxy060608 已提交
4933 4934


fxy060608's avatar
fxy060608 已提交
4935
        toggleRecurse(instance, false);
fxy060608's avatar
fxy060608 已提交
4936

fxy060608's avatar
fxy060608 已提交
4937 4938 4939 4940 4941 4942
        if (next) {
          next.el = vnode.el;
          updateComponentPreRender(instance, next, optimized);
        } else {
          next = vnode;
        } // beforeUpdate hook
fxy060608's avatar
fxy060608 已提交
4943 4944


fxy060608's avatar
fxy060608 已提交
4945 4946 4947
        if (bu) {
          invokeArrayFns(bu);
        } // onVnodeBeforeUpdate
fxy060608's avatar
fxy060608 已提交
4948

fxy060608's avatar
fxy060608 已提交
4949

fxy060608's avatar
fxy060608 已提交
4950 4951
        if (_vnodeHook = next.props && next.props.onVnodeBeforeUpdate) {
          invokeVNodeHook(_vnodeHook, _parent, next, vnode);
fxy060608's avatar
fxy060608 已提交
4952
        }
fxy060608's avatar
fxy060608 已提交
4953

fxy060608's avatar
fxy060608 已提交
4954 4955 4956 4957 4958 4959 4960 4961
        toggleRecurse(instance, true);
        var nextTree = renderComponentRoot(instance);
        var prevTree = instance.subTree;
        instance.subTree = nextTree;
        patch(prevTree, nextTree, // parent may have changed if it's in a teleport
        hostParentNode(prevTree.el), // anchor may have changed if it's in a fragment
        getNextHostNode(prevTree), instance, parentSuspense, isSVG);
        next.el = nextTree.el;
fxy060608's avatar
fxy060608 已提交
4962

fxy060608's avatar
fxy060608 已提交
4963 4964 4965 4966 4967 4968
        if (originNext === null) {
          // self-triggered update. In case of HOC, update parent component
          // vnode el. HOC is indicated by parent instance's subTree pointing
          // to child component's vnode
          updateHOCHostEl(instance, nextTree.el);
        } // updated hook
fxy060608's avatar
fxy060608 已提交
4969 4970


fxy060608's avatar
fxy060608 已提交
4971 4972 4973
        if (u) {
          queuePostRenderEffect(u, parentSuspense);
        } // onVnodeUpdated
fxy060608's avatar
fxy060608 已提交
4974 4975


fxy060608's avatar
fxy060608 已提交
4976 4977
        if (_vnodeHook = next.props && next.props.onVnodeUpdated) {
          queuePostRenderEffect(() => invokeVNodeHook(_vnodeHook, _parent, next, vnode), parentSuspense);
fxy060608's avatar
fxy060608 已提交
4978
        }
fxy060608's avatar
fxy060608 已提交
4979 4980
      }
    }; // create reactive effect for rendering
fxy060608's avatar
fxy060608 已提交
4981

fxy060608's avatar
fxy060608 已提交
4982

fxy060608's avatar
fxy060608 已提交
4983 4984 4985 4986 4987 4988 4989 4990 4991 4992 4993 4994 4995 4996 4997 4998 4999 5000 5001 5002 5003 5004 5005 5006 5007 5008 5009 5010 5011 5012 5013 5014 5015 5016 5017 5018 5019 5020 5021 5022 5023 5024 5025 5026 5027 5028 5029 5030 5031 5032
    var effect = instance.effect = new ReactiveEffect(componentUpdateFn, () => queueJob(instance.update), instance.scope // track it in component's effect scope
    );
    var update = instance.update = effect.run.bind(effect);
    update.id = instance.uid; // allowRecurse
    // #1801, #2043 component render effects should allow recursive updates

    toggleRecurse(instance, true);
    update();
  };

  var updateComponentPreRender = (instance, nextVNode, optimized) => {
    nextVNode.component = instance;
    var prevProps = instance.vnode.props;
    instance.vnode = nextVNode;
    instance.next = null;
    updateProps(instance, nextVNode.props, prevProps, optimized);
    updateSlots(instance, nextVNode.children, optimized);
    pauseTracking(); // props update may have triggered pre-flush watchers.
    // flush them before the render update.

    flushPreFlushCbs(undefined, instance.update);
    resetTracking();
  };

  var patchChildren = function (n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds) {
    var optimized = arguments.length > 8 && arguments[8] !== undefined ? arguments[8] : false;
    var c1 = n1 && n1.children;
    var prevShapeFlag = n1 ? n1.shapeFlag : 0;
    var c2 = n2.children;
    var {
      patchFlag,
      shapeFlag
    } = n2; // fast path

    if (patchFlag > 0) {
      if (patchFlag & 128
      /* KEYED_FRAGMENT */
      ) {
        // this could be either fully-keyed or mixed (some keyed some not)
        // presence of patchFlag means children are guaranteed to be arrays
        patchKeyedChildren(c1, c2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized);
        return;
      } else if (patchFlag & 256
      /* UNKEYED_FRAGMENT */
      ) {
        // unkeyed
        patchUnkeyedChildren(c1, c2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized);
        return;
      }
    } // children has 3 possibilities: text, array or no children.
fxy060608's avatar
fxy060608 已提交
5033

fxy060608's avatar
fxy060608 已提交
5034

fxy060608's avatar
fxy060608 已提交
5035 5036 5037 5038 5039 5040 5041 5042 5043
    if (shapeFlag & 8
    /* TEXT_CHILDREN */
    ) {
      // text children fast path
      if (prevShapeFlag & 16
      /* ARRAY_CHILDREN */
      ) {
        unmountChildren(c1, parentComponent, parentSuspense);
      }
fxy060608's avatar
fxy060608 已提交
5044

fxy060608's avatar
fxy060608 已提交
5045 5046 5047 5048 5049 5050 5051 5052 5053 5054 5055 5056 5057
      if (c2 !== c1) {
        hostSetElementText(container, c2);
      }
    } else {
      if (prevShapeFlag & 16
      /* ARRAY_CHILDREN */
      ) {
        // prev children was array
        if (shapeFlag & 16
        /* ARRAY_CHILDREN */
        ) {
          // two arrays, cannot assume anything, do full diff
          patchKeyedChildren(c1, c2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized);
fxy060608's avatar
fxy060608 已提交
5058
        } else {
fxy060608's avatar
fxy060608 已提交
5059 5060
          // no new children, just unmount old
          unmountChildren(c1, parentComponent, parentSuspense, true);
fxy060608's avatar
fxy060608 已提交
5061
        }
fxy060608's avatar
fxy060608 已提交
5062 5063 5064 5065 5066 5067 5068 5069
      } else {
        // prev children was text OR null
        // new children is array OR null
        if (prevShapeFlag & 8
        /* TEXT_CHILDREN */
        ) {
          hostSetElementText(container, '');
        } // mount new if array
fxy060608's avatar
fxy060608 已提交
5070

fxy060608's avatar
fxy060608 已提交
5071

fxy060608's avatar
fxy060608 已提交
5072 5073
        if (shapeFlag & 16
        /* ARRAY_CHILDREN */
fxy060608's avatar
fxy060608 已提交
5074
        ) {
fxy060608's avatar
fxy060608 已提交
5075
          mountChildren(c2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized);
fxy060608's avatar
fxy060608 已提交
5076
        }
fxy060608's avatar
fxy060608 已提交
5077 5078 5079
      }
    }
  };
fxy060608's avatar
fxy060608 已提交
5080

fxy060608's avatar
fxy060608 已提交
5081 5082 5083 5084 5085 5086 5087
  var patchUnkeyedChildren = (c1, c2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized) => {
    c1 = c1 || EMPTY_ARR;
    c2 = c2 || EMPTY_ARR;
    var oldLength = c1.length;
    var newLength = c2.length;
    var commonLength = Math.min(oldLength, newLength);
    var i;
fxy060608's avatar
fxy060608 已提交
5088

fxy060608's avatar
fxy060608 已提交
5089 5090 5091 5092
    for (i = 0; i < commonLength; i++) {
      var nextChild = c2[i] = optimized ? cloneIfMounted(c2[i]) : normalizeVNode(c2[i]);
      patch(c1[i], nextChild, container, null, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized);
    }
fxy060608's avatar
fxy060608 已提交
5093

fxy060608's avatar
fxy060608 已提交
5094 5095 5096 5097 5098 5099 5100 5101
    if (oldLength > newLength) {
      // remove old
      unmountChildren(c1, parentComponent, parentSuspense, true, false, commonLength);
    } else {
      // mount new
      mountChildren(c2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized, commonLength);
    }
  }; // can be all-keyed or mixed
fxy060608's avatar
fxy060608 已提交
5102 5103


fxy060608's avatar
fxy060608 已提交
5104 5105 5106 5107
  var patchKeyedChildren = (c1, c2, container, parentAnchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized) => {
    var i = 0;
    var l2 = c2.length;
    var e1 = c1.length - 1; // prev ending index
fxy060608's avatar
fxy060608 已提交
5108

fxy060608's avatar
fxy060608 已提交
5109 5110 5111 5112
    var e2 = l2 - 1; // next ending index
    // 1. sync from start
    // (a b) c
    // (a b) d e
fxy060608's avatar
fxy060608 已提交
5113

fxy060608's avatar
fxy060608 已提交
5114 5115 5116
    while (i <= e1 && i <= e2) {
      var n1 = c1[i];
      var n2 = c2[i] = optimized ? cloneIfMounted(c2[i]) : normalizeVNode(c2[i]);
fxy060608's avatar
fxy060608 已提交
5117

fxy060608's avatar
fxy060608 已提交
5118 5119 5120 5121 5122
      if (isSameVNodeType(n1, n2)) {
        patch(n1, n2, container, null, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized);
      } else {
        break;
      }
fxy060608's avatar
fxy060608 已提交
5123

fxy060608's avatar
fxy060608 已提交
5124 5125 5126 5127
      i++;
    } // 2. sync from end
    // a (b c)
    // d e (b c)
fxy060608's avatar
fxy060608 已提交
5128

fxy060608's avatar
fxy060608 已提交
5129

fxy060608's avatar
fxy060608 已提交
5130 5131
    while (i <= e1 && i <= e2) {
      var _n = c1[e1];
fxy060608's avatar
fxy060608 已提交
5132

fxy060608's avatar
fxy060608 已提交
5133
      var _n2 = c2[e2] = optimized ? cloneIfMounted(c2[e2]) : normalizeVNode(c2[e2]);
fxy060608's avatar
fxy060608 已提交
5134

fxy060608's avatar
fxy060608 已提交
5135 5136 5137 5138 5139
      if (isSameVNodeType(_n, _n2)) {
        patch(_n, _n2, container, null, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized);
      } else {
        break;
      }
fxy060608's avatar
fxy060608 已提交
5140

fxy060608's avatar
fxy060608 已提交
5141 5142 5143 5144 5145 5146 5147 5148 5149
      e1--;
      e2--;
    } // 3. common sequence + mount
    // (a b)
    // (a b) c
    // i = 2, e1 = 1, e2 = 2
    // (a b)
    // c (a b)
    // i = 0, e1 = -1, e2 = 0
fxy060608's avatar
fxy060608 已提交
5150 5151


fxy060608's avatar
fxy060608 已提交
5152 5153 5154 5155
    if (i > e1) {
      if (i <= e2) {
        var nextPos = e2 + 1;
        var anchor = nextPos < l2 ? c2[nextPos].el : parentAnchor;
fxy060608's avatar
fxy060608 已提交
5156

fxy060608's avatar
fxy060608 已提交
5157 5158 5159
        while (i <= e2) {
          patch(null, c2[i] = optimized ? cloneIfMounted(c2[i]) : normalizeVNode(c2[i]), container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized);
          i++;
fxy060608's avatar
fxy060608 已提交
5160
        }
fxy060608's avatar
fxy060608 已提交
5161 5162 5163 5164 5165 5166 5167 5168 5169 5170 5171 5172 5173 5174 5175 5176 5177 5178 5179
      }
    } // 4. common sequence + unmount
    // (a b) c
    // (a b)
    // i = 2, e1 = 2, e2 = 1
    // a (b c)
    // (b c)
    // i = 0, e1 = 0, e2 = -1
    else if (i > e2) {
      while (i <= e1) {
        unmount(c1[i], parentComponent, parentSuspense, true);
        i++;
      }
    } // 5. unknown sequence
    // [i ... e1 + 1]: a b [c d e] f g
    // [i ... e2 + 1]: a b [e d c h] f g
    // i = 2, e1 = 4, e2 = 5
    else {
      var s1 = i; // prev starting index
fxy060608's avatar
fxy060608 已提交
5180

fxy060608's avatar
fxy060608 已提交
5181 5182
      var s2 = i; // next starting index
      // 5.1 build key:index map for newChildren
fxy060608's avatar
fxy060608 已提交
5183

fxy060608's avatar
fxy060608 已提交
5184
      var keyToNewIndexMap = new Map();
fxy060608's avatar
fxy060608 已提交
5185

fxy060608's avatar
fxy060608 已提交
5186 5187
      for (i = s2; i <= e2; i++) {
        var nextChild = c2[i] = optimized ? cloneIfMounted(c2[i]) : normalizeVNode(c2[i]);
fxy060608's avatar
fxy060608 已提交
5188

fxy060608's avatar
fxy060608 已提交
5189 5190
        if (nextChild.key != null) {
          keyToNewIndexMap.set(nextChild.key, i);
fxy060608's avatar
fxy060608 已提交
5191
        }
fxy060608's avatar
fxy060608 已提交
5192 5193
      } // 5.2 loop through old children left to be patched and try to patch
      // matching nodes & remove nodes that are no longer present
fxy060608's avatar
fxy060608 已提交
5194

fxy060608's avatar
fxy060608 已提交
5195

fxy060608's avatar
fxy060608 已提交
5196 5197 5198 5199
      var j;
      var patched = 0;
      var toBePatched = e2 - s2 + 1;
      var moved = false; // used to track whether any node has moved
fxy060608's avatar
fxy060608 已提交
5200

fxy060608's avatar
fxy060608 已提交
5201 5202 5203 5204 5205
      var maxNewIndexSoFar = 0; // works as Map<newIndex, oldIndex>
      // Note that oldIndex is offset by +1
      // and oldIndex = 0 is a special value indicating the new node has
      // no corresponding old node.
      // used for determining longest stable subsequence
fxy060608's avatar
fxy060608 已提交
5206

fxy060608's avatar
fxy060608 已提交
5207
      var newIndexToOldIndexMap = new Array(toBePatched);
fxy060608's avatar
fxy060608 已提交
5208

fxy060608's avatar
fxy060608 已提交
5209 5210 5211
      for (i = 0; i < toBePatched; i++) {
        newIndexToOldIndexMap[i] = 0;
      }
fxy060608's avatar
fxy060608 已提交
5212

fxy060608's avatar
fxy060608 已提交
5213 5214
      for (i = s1; i <= e1; i++) {
        var prevChild = c1[i];
fxy060608's avatar
fxy060608 已提交
5215

fxy060608's avatar
fxy060608 已提交
5216 5217 5218 5219
        if (patched >= toBePatched) {
          // all new children have been patched so this can only be a removal
          unmount(prevChild, parentComponent, parentSuspense, true);
          continue;
fxy060608's avatar
fxy060608 已提交
5220
        }
fxy060608's avatar
fxy060608 已提交
5221

fxy060608's avatar
fxy060608 已提交
5222
        var newIndex = void 0;
fxy060608's avatar
fxy060608 已提交
5223

fxy060608's avatar
fxy060608 已提交
5224 5225
        if (prevChild.key != null) {
          newIndex = keyToNewIndexMap.get(prevChild.key);
fxy060608's avatar
fxy060608 已提交
5226
        } else {
fxy060608's avatar
fxy060608 已提交
5227 5228 5229 5230 5231
          // key-less node, try to locate a key-less node of the same type
          for (j = s2; j <= e2; j++) {
            if (newIndexToOldIndexMap[j - s2] === 0 && isSameVNodeType(prevChild, c2[j])) {
              newIndex = j;
              break;
fxy060608's avatar
fxy060608 已提交
5232 5233 5234
            }
          }
        }
fxy060608's avatar
fxy060608 已提交
5235

fxy060608's avatar
fxy060608 已提交
5236 5237 5238 5239
        if (newIndex === undefined) {
          unmount(prevChild, parentComponent, parentSuspense, true);
        } else {
          newIndexToOldIndexMap[newIndex - s2] = i + 1;
fxy060608's avatar
fxy060608 已提交
5240

fxy060608's avatar
fxy060608 已提交
5241 5242 5243 5244
          if (newIndex >= maxNewIndexSoFar) {
            maxNewIndexSoFar = newIndex;
          } else {
            moved = true;
fxy060608's avatar
fxy060608 已提交
5245
          }
fxy060608's avatar
fxy060608 已提交
5246

fxy060608's avatar
fxy060608 已提交
5247 5248 5249 5250 5251
          patch(prevChild, c2[newIndex], container, null, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized);
          patched++;
        }
      } // 5.3 move and mount
      // generate longest stable subsequence only when nodes have moved
fxy060608's avatar
fxy060608 已提交
5252

fxy060608's avatar
fxy060608 已提交
5253

fxy060608's avatar
fxy060608 已提交
5254 5255
      var increasingNewIndexSequence = moved ? getSequence(newIndexToOldIndexMap) : EMPTY_ARR;
      j = increasingNewIndexSequence.length - 1; // looping backwards so that we can use last patched node as anchor
fxy060608's avatar
fxy060608 已提交
5256

fxy060608's avatar
fxy060608 已提交
5257 5258 5259 5260 5261
      for (i = toBePatched - 1; i >= 0; i--) {
        var nextIndex = s2 + i;
        var _nextChild = c2[nextIndex];

        var _anchor2 = nextIndex + 1 < l2 ? c2[nextIndex + 1].el : parentAnchor;
fxy060608's avatar
fxy060608 已提交
5262

fxy060608's avatar
fxy060608 已提交
5263 5264 5265 5266 5267 5268 5269 5270 5271 5272 5273 5274 5275
        if (newIndexToOldIndexMap[i] === 0) {
          // mount new
          patch(null, _nextChild, container, _anchor2, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized);
        } else if (moved) {
          // move if:
          // There is no stable subsequence (e.g. a reverse)
          // OR current node is not among the stable sequence
          if (j < 0 || i !== increasingNewIndexSequence[j]) {
            move(_nextChild, container, _anchor2, 2
            /* REORDER */
            );
          } else {
            j--;
fxy060608's avatar
fxy060608 已提交
5276
          }
fxy060608's avatar
fxy060608 已提交
5277
        }
fxy060608's avatar
fxy060608 已提交
5278
      }
fxy060608's avatar
fxy060608 已提交
5279 5280
    }
  };
fxy060608's avatar
fxy060608 已提交
5281

fxy060608's avatar
fxy060608 已提交
5282 5283 5284 5285 5286 5287 5288 5289 5290
  var move = function (vnode, container, anchor, moveType) {
    var parentSuspense = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : null;
    var {
      el,
      type,
      transition,
      children,
      shapeFlag
    } = vnode;
fxy060608's avatar
fxy060608 已提交
5291

fxy060608's avatar
fxy060608 已提交
5292 5293 5294 5295 5296
    if (shapeFlag & 6
    /* COMPONENT */
    ) {
      move(vnode.component.subTree, container, anchor, moveType);
      return;
fxy060608's avatar
fxy060608 已提交
5297
    }
fxy060608's avatar
fxy060608 已提交
5298

fxy060608's avatar
fxy060608 已提交
5299 5300 5301 5302 5303 5304
    if (shapeFlag & 128
    /* SUSPENSE */
    ) {
      vnode.suspense.move(container, anchor, moveType);
      return;
    }
fxy060608's avatar
fxy060608 已提交
5305

fxy060608's avatar
fxy060608 已提交
5306 5307 5308 5309 5310 5311
    if (shapeFlag & 64
    /* TELEPORT */
    ) {
      type.move(vnode, container, anchor, internals);
      return;
    }
fxy060608's avatar
fxy060608 已提交
5312

fxy060608's avatar
fxy060608 已提交
5313 5314
    if (type === Fragment) {
      hostInsert(el, container, anchor);
fxy060608's avatar
fxy060608 已提交
5315

fxy060608's avatar
fxy060608 已提交
5316 5317
      for (var i = 0; i < children.length; i++) {
        move(children[i], container, anchor, moveType);
fxy060608's avatar
fxy060608 已提交
5318
      }
fxy060608's avatar
fxy060608 已提交
5319

fxy060608's avatar
fxy060608 已提交
5320 5321 5322
      hostInsert(vnode.anchor, container, anchor);
      return;
    }
fxy060608's avatar
fxy060608 已提交
5323

fxy060608's avatar
fxy060608 已提交
5324 5325 5326 5327
    if (type === Static) {
      moveStaticNode(vnode, container, anchor);
      return;
    } // single nodes
fxy060608's avatar
fxy060608 已提交
5328 5329


fxy060608's avatar
fxy060608 已提交
5330 5331 5332 5333 5334
    var needTransition = moveType !== 2
    /* REORDER */
    && shapeFlag & 1
    /* ELEMENT */
    && transition;
fxy060608's avatar
fxy060608 已提交
5335

fxy060608's avatar
fxy060608 已提交
5336 5337 5338 5339 5340 5341 5342 5343 5344 5345 5346 5347 5348
    if (needTransition) {
      if (moveType === 0
      /* ENTER */
      ) {
        transition.beforeEnter(el);
        hostInsert(el, container, anchor);
        queuePostRenderEffect(() => transition.enter(el), parentSuspense);
      } else {
        var {
          leave,
          delayLeave,
          afterLeave
        } = transition;
fxy060608's avatar
fxy060608 已提交
5349

fxy060608's avatar
fxy060608 已提交
5350
        var _remove = () => hostInsert(el, container, anchor);
fxy060608's avatar
fxy060608 已提交
5351

fxy060608's avatar
fxy060608 已提交
5352 5353 5354
        var performLeave = () => {
          leave(el, () => {
            _remove();
fxy060608's avatar
fxy060608 已提交
5355

fxy060608's avatar
fxy060608 已提交
5356 5357 5358
            afterLeave && afterLeave();
          });
        };
fxy060608's avatar
fxy060608 已提交
5359

fxy060608's avatar
fxy060608 已提交
5360 5361 5362 5363
        if (delayLeave) {
          delayLeave(el, _remove, performLeave);
        } else {
          performLeave();
fxy060608's avatar
fxy060608 已提交
5364
        }
fxy060608's avatar
fxy060608 已提交
5365 5366 5367 5368 5369
      }
    } else {
      hostInsert(el, container, anchor);
    }
  };
fxy060608's avatar
fxy060608 已提交
5370

fxy060608's avatar
fxy060608 已提交
5371 5372 5373 5374 5375 5376 5377 5378 5379 5380 5381 5382 5383
  var unmount = function (vnode, parentComponent, parentSuspense) {
    var doRemove = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
    var optimized = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : false;
    var {
      type,
      props,
      ref,
      children,
      dynamicChildren,
      shapeFlag,
      patchFlag,
      dirs
    } = vnode; // unset ref
fxy060608's avatar
fxy060608 已提交
5384

fxy060608's avatar
fxy060608 已提交
5385 5386 5387
    if (ref != null) {
      setRef(ref, null, parentSuspense, vnode, true);
    }
fxy060608's avatar
fxy060608 已提交
5388

fxy060608's avatar
fxy060608 已提交
5389 5390 5391 5392 5393 5394
    if (shapeFlag & 256
    /* COMPONENT_SHOULD_KEEP_ALIVE */
    ) {
      parentComponent.ctx.deactivate(vnode);
      return;
    }
fxy060608's avatar
fxy060608 已提交
5395

fxy060608's avatar
fxy060608 已提交
5396 5397 5398 5399 5400
    var shouldInvokeDirs = shapeFlag & 1
    /* ELEMENT */
    && dirs;
    var shouldInvokeVnodeHook = !isAsyncWrapper(vnode);
    var vnodeHook;
fxy060608's avatar
fxy060608 已提交
5401

fxy060608's avatar
fxy060608 已提交
5402 5403 5404
    if (shouldInvokeVnodeHook && (vnodeHook = props && props.onVnodeBeforeUnmount)) {
      invokeVNodeHook(vnodeHook, parentComponent, vnode);
    }
fxy060608's avatar
fxy060608 已提交
5405

fxy060608's avatar
fxy060608 已提交
5406 5407 5408 5409 5410 5411 5412
    if (shapeFlag & 6
    /* COMPONENT */
    ) {
      unmountComponent(vnode.component, parentSuspense, doRemove);
    } else {
      if (shapeFlag & 128
      /* SUSPENSE */
fxy060608's avatar
fxy060608 已提交
5413
      ) {
fxy060608's avatar
fxy060608 已提交
5414 5415
        vnode.suspense.unmount(parentSuspense, doRemove);
        return;
fxy060608's avatar
fxy060608 已提交
5416
      }
fxy060608's avatar
fxy060608 已提交
5417

fxy060608's avatar
fxy060608 已提交
5418 5419 5420
      if (shouldInvokeDirs) {
        invokeDirectiveHook(vnode, null, parentComponent, 'beforeUnmount');
      }
fxy060608's avatar
fxy060608 已提交
5421

fxy060608's avatar
fxy060608 已提交
5422 5423 5424 5425 5426 5427 5428 5429 5430 5431 5432 5433 5434 5435 5436 5437 5438 5439 5440
      if (shapeFlag & 64
      /* TELEPORT */
      ) {
        vnode.type.remove(vnode, parentComponent, parentSuspense, optimized, internals, doRemove);
      } else if (dynamicChildren && ( // #1153: fast path should not be taken for non-stable (v-for) fragments
      type !== Fragment || patchFlag > 0 && patchFlag & 64
      /* STABLE_FRAGMENT */
      )) {
        // fast path for block nodes: only need to unmount dynamic children.
        unmountChildren(dynamicChildren, parentComponent, parentSuspense, false, true);
      } else if (type === Fragment && patchFlag & (128
      /* KEYED_FRAGMENT */
      | 256
      /* UNKEYED_FRAGMENT */
      ) || !optimized && shapeFlag & 16
      /* ARRAY_CHILDREN */
      ) {
        unmountChildren(children, parentComponent, parentSuspense);
      }
fxy060608's avatar
fxy060608 已提交
5441

fxy060608's avatar
fxy060608 已提交
5442 5443
      if (doRemove) {
        remove(vnode);
fxy060608's avatar
fxy060608 已提交
5444 5445
      }
    }
fxy060608's avatar
fxy060608 已提交
5446

fxy060608's avatar
fxy060608 已提交
5447 5448 5449 5450 5451 5452 5453
    if (shouldInvokeVnodeHook && (vnodeHook = props && props.onVnodeUnmounted) || shouldInvokeDirs) {
      queuePostRenderEffect(() => {
        vnodeHook && invokeVNodeHook(vnodeHook, parentComponent, vnode);
        shouldInvokeDirs && invokeDirectiveHook(vnode, null, parentComponent, 'unmounted');
      }, parentSuspense);
    }
  };
fxy060608's avatar
fxy060608 已提交
5454

fxy060608's avatar
fxy060608 已提交
5455 5456 5457 5458 5459 5460 5461
  var remove = vnode => {
    var {
      type,
      el,
      anchor,
      transition
    } = vnode;
fxy060608's avatar
fxy060608 已提交
5462

fxy060608's avatar
fxy060608 已提交
5463 5464 5465 5466
    if (type === Fragment) {
      removeFragment(el, anchor);
      return;
    }
fxy060608's avatar
fxy060608 已提交
5467

fxy060608's avatar
fxy060608 已提交
5468 5469 5470 5471
    if (type === Static) {
      removeStaticNode(vnode);
      return;
    }
fxy060608's avatar
fxy060608 已提交
5472

fxy060608's avatar
fxy060608 已提交
5473 5474
    var performRemove = () => {
      hostRemove(el);
fxy060608's avatar
fxy060608 已提交
5475

fxy060608's avatar
fxy060608 已提交
5476 5477 5478 5479
      if (transition && !transition.persisted && transition.afterLeave) {
        transition.afterLeave();
      }
    };
fxy060608's avatar
fxy060608 已提交
5480

fxy060608's avatar
fxy060608 已提交
5481 5482 5483 5484 5485 5486 5487
    if (vnode.shapeFlag & 1
    /* ELEMENT */
    && transition && !transition.persisted) {
      var {
        leave,
        delayLeave
      } = transition;
fxy060608's avatar
fxy060608 已提交
5488

fxy060608's avatar
fxy060608 已提交
5489
      var performLeave = () => leave(el, performRemove);
fxy060608's avatar
fxy060608 已提交
5490

fxy060608's avatar
fxy060608 已提交
5491 5492
      if (delayLeave) {
        delayLeave(vnode.el, performRemove, performLeave);
fxy060608's avatar
fxy060608 已提交
5493
      } else {
fxy060608's avatar
fxy060608 已提交
5494
        performLeave();
fxy060608's avatar
fxy060608 已提交
5495
      }
fxy060608's avatar
fxy060608 已提交
5496 5497
    } else {
      performRemove();
fxy060608's avatar
fxy060608 已提交
5498
    }
fxy060608's avatar
fxy060608 已提交
5499
  };
fxy060608's avatar
fxy060608 已提交
5500

fxy060608's avatar
fxy060608 已提交
5501 5502 5503 5504
  var removeFragment = (cur, end) => {
    // For fragments, directly remove all contained DOM nodes.
    // (fragment child nodes cannot have transition)
    var next;
fxy060608's avatar
fxy060608 已提交
5505

fxy060608's avatar
fxy060608 已提交
5506 5507 5508 5509 5510
    while (cur !== end) {
      next = hostNextSibling(cur);
      hostRemove(cur);
      cur = next;
    }
fxy060608's avatar
fxy060608 已提交
5511

fxy060608's avatar
fxy060608 已提交
5512 5513
    hostRemove(end);
  };
fxy060608's avatar
fxy060608 已提交
5514

fxy060608's avatar
fxy060608 已提交
5515 5516 5517 5518 5519 5520 5521 5522
  var unmountComponent = (instance, parentSuspense, doRemove) => {
    var {
      bum,
      scope,
      update,
      subTree,
      um
    } = instance; // beforeUnmount hook
fxy060608's avatar
fxy060608 已提交
5523

fxy060608's avatar
fxy060608 已提交
5524 5525 5526
    if (bum) {
      invokeArrayFns(bum);
    } // stop effects in component scope
fxy060608's avatar
fxy060608 已提交
5527 5528


fxy060608's avatar
fxy060608 已提交
5529 5530
    scope.stop(); // update may be null if a component is unmounted before its async
    // setup has resolved.
fxy060608's avatar
fxy060608 已提交
5531

fxy060608's avatar
fxy060608 已提交
5532 5533 5534 5535 5536
    if (update) {
      // so that scheduler will no longer invoke it
      update.active = false;
      unmount(subTree, instance, parentSuspense, doRemove);
    } // unmounted hook
fxy060608's avatar
fxy060608 已提交
5537 5538


fxy060608's avatar
fxy060608 已提交
5539 5540
    if (um) {
      queuePostRenderEffect(um, parentSuspense);
fxy060608's avatar
fxy060608 已提交
5541
    }
fxy060608's avatar
fxy060608 已提交
5542

fxy060608's avatar
fxy060608 已提交
5543 5544 5545 5546 5547
    queuePostRenderEffect(() => {
      instance.isUnmounted = true;
    }, parentSuspense); // A component with async dep inside a pending suspense is unmounted before
    // its async dep resolves. This should remove the dep from the suspense, and
    // cause the suspense to resolve immediately if that was the last dep.
fxy060608's avatar
fxy060608 已提交
5548

fxy060608's avatar
fxy060608 已提交
5549 5550
    if (parentSuspense && parentSuspense.pendingBranch && !parentSuspense.isUnmounted && instance.asyncDep && !instance.asyncResolved && instance.suspenseId === parentSuspense.pendingId) {
      parentSuspense.deps--;
fxy060608's avatar
fxy060608 已提交
5551

fxy060608's avatar
fxy060608 已提交
5552 5553 5554
      if (parentSuspense.deps === 0) {
        parentSuspense.resolve();
      }
fxy060608's avatar
fxy060608 已提交
5555
    }
fxy060608's avatar
fxy060608 已提交
5556
  };
fxy060608's avatar
fxy060608 已提交
5557

fxy060608's avatar
fxy060608 已提交
5558 5559 5560 5561
  var unmountChildren = function (children, parentComponent, parentSuspense) {
    var doRemove = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
    var optimized = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : false;
    var start = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : 0;
fxy060608's avatar
fxy060608 已提交
5562

fxy060608's avatar
fxy060608 已提交
5563 5564 5565 5566
    for (var i = start; i < children.length; i++) {
      unmount(children[i], parentComponent, parentSuspense, doRemove, optimized);
    }
  };
fxy060608's avatar
fxy060608 已提交
5567

fxy060608's avatar
fxy060608 已提交
5568 5569 5570 5571 5572 5573
  var getNextHostNode = vnode => {
    if (vnode.shapeFlag & 6
    /* COMPONENT */
    ) {
      return getNextHostNode(vnode.component.subTree);
    }
fxy060608's avatar
fxy060608 已提交
5574

fxy060608's avatar
fxy060608 已提交
5575 5576 5577 5578 5579 5580 5581 5582 5583 5584 5585 5586 5587 5588 5589 5590 5591 5592 5593 5594 5595 5596 5597 5598 5599 5600 5601 5602 5603 5604 5605 5606 5607 5608 5609 5610 5611 5612 5613 5614 5615 5616 5617 5618 5619 5620 5621
    if (vnode.shapeFlag & 128
    /* SUSPENSE */
    ) {
      return vnode.suspense.next();
    }

    return hostNextSibling(vnode.anchor || vnode.el);
  };

  var render = (vnode, container, isSVG) => {
    if (vnode == null) {
      if (container._vnode) {
        unmount(container._vnode, null, null, true);
      }
    } else {
      patch(container._vnode || null, vnode, container, null, null, null, isSVG);
    }

    flushPostFlushCbs();
    container._vnode = vnode;
  };

  var internals = {
    p: patch,
    um: unmount,
    m: move,
    r: remove,
    mt: mountComponent,
    mc: mountChildren,
    pc: patchChildren,
    pbc: patchBlockChildren,
    n: getNextHostNode,
    o: options
  };
  var hydrate;
  var hydrateNode;

  if (createHydrationFns) {
    [hydrate, hydrateNode] = createHydrationFns(internals);
  }

  return {
    render,
    hydrate,
    createApp: createAppAPI(render, hydrate)
  };
}
fxy060608's avatar
fxy060608 已提交
5622

fxy060608's avatar
fxy060608 已提交
5623 5624 5625 5626 5627 5628 5629 5630 5631 5632 5633 5634 5635 5636 5637 5638 5639 5640 5641 5642 5643 5644 5645 5646 5647 5648 5649 5650 5651 5652 5653 5654 5655 5656 5657 5658 5659
function toggleRecurse(_ref12, allowed) {
  var {
    effect,
    update
  } = _ref12;
  effect.allowRecurse = update.allowRecurse = allowed;
}
/**
 * #1156
 * When a component is HMR-enabled, we need to make sure that all static nodes
 * inside a block also inherit the DOM element from the previous tree so that
 * HMR updates (which are full updates) can retrieve the element for patching.
 *
 * #2080
 * Inside keyed `template` fragment static children, if a fragment is moved,
 * the children will always be moved. Therefore, in order to ensure correct move
 * position, el should be inherited from previous nodes.
 */


function traverseStaticChildren(n1, n2) {
  var shallow = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
  var ch1 = n1.children;
  var ch2 = n2.children;

  if (isArray(ch1) && isArray(ch2)) {
    for (var i = 0; i < ch1.length; i++) {
      // this is only called in the optimized path so array children are
      // guaranteed to be vnodes
      var c1 = ch1[i];
      var c2 = ch2[i];

      if (c2.shapeFlag & 1
      /* ELEMENT */
      && !c2.dynamicChildren) {
        if (c2.patchFlag <= 0 || c2.patchFlag === 32
        /* HYDRATE_EVENTS */
fxy060608's avatar
fxy060608 已提交
5660
        ) {
fxy060608's avatar
fxy060608 已提交
5661 5662
          c2 = ch2[i] = cloneIfMounted(ch2[i]);
          c2.el = c1.el;
fxy060608's avatar
fxy060608 已提交
5663 5664
        }

fxy060608's avatar
fxy060608 已提交
5665
        if (!shallow) traverseStaticChildren(c1, c2);
fxy060608's avatar
fxy060608 已提交
5666 5667
      }
    }
fxy060608's avatar
fxy060608 已提交
5668 5669
  }
} // https://en.wikipedia.org/wiki/Longest_increasing_subsequence
fxy060608's avatar
fxy060608 已提交
5670 5671


fxy060608's avatar
fxy060608 已提交
5672 5673 5674 5675 5676
function getSequence(arr) {
  var p = arr.slice();
  var result = [0];
  var i, j, u, v, c;
  var len = arr.length;
fxy060608's avatar
fxy060608 已提交
5677

fxy060608's avatar
fxy060608 已提交
5678 5679
  for (i = 0; i < len; i++) {
    var arrI = arr[i];
fxy060608's avatar
fxy060608 已提交
5680

fxy060608's avatar
fxy060608 已提交
5681 5682
    if (arrI !== 0) {
      j = result[result.length - 1];
fxy060608's avatar
fxy060608 已提交
5683

fxy060608's avatar
fxy060608 已提交
5684 5685 5686 5687 5688
      if (arr[j] < arrI) {
        p[i] = j;
        result.push(i);
        continue;
      }
fxy060608's avatar
fxy060608 已提交
5689

fxy060608's avatar
fxy060608 已提交
5690 5691
      u = 0;
      v = result.length - 1;
fxy060608's avatar
fxy060608 已提交
5692

fxy060608's avatar
fxy060608 已提交
5693 5694
      while (u < v) {
        c = u + v >> 1;
fxy060608's avatar
fxy060608 已提交
5695

fxy060608's avatar
fxy060608 已提交
5696 5697 5698 5699 5700 5701
        if (arr[result[c]] < arrI) {
          u = c + 1;
        } else {
          v = c;
        }
      }
fxy060608's avatar
fxy060608 已提交
5702

fxy060608's avatar
fxy060608 已提交
5703 5704 5705
      if (arrI < arr[result[u]]) {
        if (u > 0) {
          p[i] = result[u - 1];
fxy060608's avatar
fxy060608 已提交
5706 5707
        }

fxy060608's avatar
fxy060608 已提交
5708 5709 5710 5711
        result[u] = i;
      }
    }
  }
fxy060608's avatar
fxy060608 已提交
5712

fxy060608's avatar
fxy060608 已提交
5713 5714
  u = result.length;
  v = result[u - 1];
fxy060608's avatar
fxy060608 已提交
5715

fxy060608's avatar
fxy060608 已提交
5716 5717 5718 5719
  while (u-- > 0) {
    result[u] = v;
    v = p[v];
  }
fxy060608's avatar
fxy060608 已提交
5720

fxy060608's avatar
fxy060608 已提交
5721 5722
  return result;
}
fxy060608's avatar
fxy060608 已提交
5723

fxy060608's avatar
fxy060608 已提交
5724
var isTeleport = type => type.__isTeleport;
fxy060608's avatar
fxy060608 已提交
5725

fxy060608's avatar
fxy060608 已提交
5726
var isTeleportDisabled = props => props && (props.disabled || props.disabled === '');
fxy060608's avatar
fxy060608 已提交
5727

fxy060608's avatar
fxy060608 已提交
5728
var isTargetSVG = target => typeof SVGElement !== 'undefined' && target instanceof SVGElement;
fxy060608's avatar
fxy060608 已提交
5729

fxy060608's avatar
fxy060608 已提交
5730 5731
var resolveTarget = (props, select) => {
  var targetSelector = props && props.to;
fxy060608's avatar
fxy060608 已提交
5732

fxy060608's avatar
fxy060608 已提交
5733 5734 5735 5736 5737 5738 5739 5740 5741 5742 5743 5744 5745 5746 5747 5748 5749 5750 5751 5752 5753 5754 5755 5756 5757 5758 5759 5760 5761 5762 5763 5764 5765 5766 5767 5768 5769 5770 5771 5772 5773 5774
  if (isString(targetSelector)) {
    if (!select) {
      return null;
    } else {
      var target = select(targetSelector);
      return target;
    }
  } else {
    return targetSelector;
  }
};

var TeleportImpl = {
  __isTeleport: true,

  process(n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized, internals) {
    var {
      mc: mountChildren,
      pc: patchChildren,
      pbc: patchBlockChildren,
      o: {
        insert,
        querySelector,
        createText,
        createComment
      }
    } = internals;
    var disabled = isTeleportDisabled(n2.props);
    var {
      shapeFlag,
      children,
      dynamicChildren
    } = n2;

    if (n1 == null) {
      // insert anchors in the main view
      var placeholder = n2.el = createText('');
      var mainAnchor = n2.anchor = createText('');
      insert(placeholder, container, anchor);
      insert(mainAnchor, container, anchor);
      var target = n2.target = resolveTarget(n2.props, querySelector);
      var targetAnchor = n2.targetAnchor = createText('');
fxy060608's avatar
fxy060608 已提交
5775

fxy060608's avatar
fxy060608 已提交
5776 5777
      if (target) {
        insert(targetAnchor, target); // #2652 we could be teleporting from a non-SVG tree into an SVG tree
fxy060608's avatar
fxy060608 已提交
5778

fxy060608's avatar
fxy060608 已提交
5779 5780
        isSVG = isSVG || isTargetSVG(target);
      }
fxy060608's avatar
fxy060608 已提交
5781

fxy060608's avatar
fxy060608 已提交
5782 5783 5784 5785 5786 5787 5788 5789 5790
      var mount = (container, anchor) => {
        // Teleport *always* has Array children. This is enforced in both the
        // compiler and vnode children normalization.
        if (shapeFlag & 16
        /* ARRAY_CHILDREN */
        ) {
          mountChildren(children, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized);
        }
      };
fxy060608's avatar
fxy060608 已提交
5791

fxy060608's avatar
fxy060608 已提交
5792 5793 5794 5795
      if (disabled) {
        mount(container, mainAnchor);
      } else if (target) {
        mount(target, targetAnchor);
fxy060608's avatar
fxy060608 已提交
5796
      }
fxy060608's avatar
fxy060608 已提交
5797 5798 5799
    } else {
      // update content
      n2.el = n1.el;
fxy060608's avatar
fxy060608 已提交
5800

fxy060608's avatar
fxy060608 已提交
5801
      var _mainAnchor = n2.anchor = n1.anchor;
fxy060608's avatar
fxy060608 已提交
5802

fxy060608's avatar
fxy060608 已提交
5803
      var _target = n2.target = n1.target;
fxy060608's avatar
fxy060608 已提交
5804

fxy060608's avatar
fxy060608 已提交
5805
      var _targetAnchor = n2.targetAnchor = n1.targetAnchor;
fxy060608's avatar
fxy060608 已提交
5806

fxy060608's avatar
fxy060608 已提交
5807 5808 5809 5810
      var wasDisabled = isTeleportDisabled(n1.props);
      var currentContainer = wasDisabled ? container : _target;
      var currentAnchor = wasDisabled ? _mainAnchor : _targetAnchor;
      isSVG = isSVG || isTargetSVG(_target);
fxy060608's avatar
fxy060608 已提交
5811

fxy060608's avatar
fxy060608 已提交
5812 5813 5814 5815 5816 5817 5818 5819 5820 5821 5822 5823 5824 5825 5826 5827 5828 5829
      if (dynamicChildren) {
        // fast path when the teleport happens to be a block root
        patchBlockChildren(n1.dynamicChildren, dynamicChildren, currentContainer, parentComponent, parentSuspense, isSVG, slotScopeIds); // even in block tree mode we need to make sure all root-level nodes
        // in the teleport inherit previous DOM references so that they can
        // be moved in future patches.

        traverseStaticChildren(n1, n2, true);
      } else if (!optimized) {
        patchChildren(n1, n2, currentContainer, currentAnchor, parentComponent, parentSuspense, isSVG, slotScopeIds, false);
      }

      if (disabled) {
        if (!wasDisabled) {
          // enabled -> disabled
          // move into main container
          moveTeleport(n2, container, _mainAnchor, internals, 1
          /* TOGGLE */
          );
fxy060608's avatar
fxy060608 已提交
5830
        }
fxy060608's avatar
fxy060608 已提交
5831
      } else {
fxy060608's avatar
fxy060608 已提交
5832 5833 5834
        // target changed
        if ((n2.props && n2.props.to) !== (n1.props && n1.props.to)) {
          var nextTarget = n2.target = resolveTarget(n2.props, querySelector);
fxy060608's avatar
fxy060608 已提交
5835

fxy060608's avatar
fxy060608 已提交
5836 5837 5838 5839 5840 5841 5842 5843 5844 5845 5846
          if (nextTarget) {
            moveTeleport(n2, nextTarget, null, internals, 0
            /* TARGET_CHANGE */
            );
          }
        } else if (wasDisabled) {
          // disabled -> enabled
          // move into teleport target
          moveTeleport(n2, _target, _targetAnchor, internals, 1
          /* TOGGLE */
          );
fxy060608's avatar
fxy060608 已提交
5847
        }
fxy060608's avatar
fxy060608 已提交
5848 5849
      }
    }
fxy060608's avatar
fxy060608 已提交
5850
  },
fxy060608's avatar
fxy060608 已提交
5851

fxy060608's avatar
fxy060608 已提交
5852 5853 5854 5855 5856 5857 5858 5859 5860 5861 5862 5863 5864 5865 5866
  remove(vnode, parentComponent, parentSuspense, optimized, _ref13, doRemove) {
    var {
      um: unmount,
      o: {
        remove: hostRemove
      }
    } = _ref13;
    var {
      shapeFlag,
      children,
      anchor,
      targetAnchor,
      target,
      props
    } = vnode;
fxy060608's avatar
fxy060608 已提交
5867

fxy060608's avatar
fxy060608 已提交
5868 5869 5870
    if (target) {
      hostRemove(targetAnchor);
    } // an unmounted teleport should always remove its children if not disabled
fxy060608's avatar
fxy060608 已提交
5871 5872


fxy060608's avatar
fxy060608 已提交
5873 5874
    if (doRemove || !isTeleportDisabled(props)) {
      hostRemove(anchor);
fxy060608's avatar
fxy060608 已提交
5875

fxy060608's avatar
fxy060608 已提交
5876 5877 5878 5879 5880 5881 5882 5883 5884 5885 5886 5887 5888 5889 5890 5891 5892 5893 5894 5895 5896 5897 5898 5899 5900 5901 5902 5903 5904 5905 5906 5907 5908 5909 5910 5911 5912 5913 5914 5915 5916 5917 5918 5919 5920 5921 5922 5923 5924 5925 5926 5927 5928 5929 5930 5931 5932 5933 5934
      if (shapeFlag & 16
      /* ARRAY_CHILDREN */
      ) {
        for (var i = 0; i < children.length; i++) {
          var child = children[i];
          unmount(child, parentComponent, parentSuspense, true, !!child.dynamicChildren);
        }
      }
    }
  },

  move: moveTeleport,
  hydrate: hydrateTeleport
};

function moveTeleport(vnode, container, parentAnchor, _ref14) {
  var {
    o: {
      insert
    },
    m: move
  } = _ref14;
  var moveType = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : 2;

  // move target anchor if this is a target change.
  if (moveType === 0
  /* TARGET_CHANGE */
  ) {
    insert(vnode.targetAnchor, container, parentAnchor);
  }

  var {
    el,
    anchor,
    shapeFlag,
    children,
    props
  } = vnode;
  var isReorder = moveType === 2
  /* REORDER */
  ; // move main view anchor if this is a re-order.

  if (isReorder) {
    insert(el, container, parentAnchor);
  } // if this is a re-order and teleport is enabled (content is in target)
  // do not move children. So the opposite is: only move children if this
  // is not a reorder, or the teleport is disabled


  if (!isReorder || isTeleportDisabled(props)) {
    // Teleport has either Array children or no children.
    if (shapeFlag & 16
    /* ARRAY_CHILDREN */
    ) {
      for (var i = 0; i < children.length; i++) {
        move(children[i], container, parentAnchor, 2
        /* REORDER */
        );
      }
fxy060608's avatar
fxy060608 已提交
5935
    }
fxy060608's avatar
fxy060608 已提交
5936
  } // move main view anchor if this is a re-order.
fxy060608's avatar
fxy060608 已提交
5937 5938


fxy060608's avatar
fxy060608 已提交
5939 5940 5941 5942
  if (isReorder) {
    insert(anchor, container, parentAnchor);
  }
}
fxy060608's avatar
fxy060608 已提交
5943

fxy060608's avatar
fxy060608 已提交
5944 5945 5946 5947 5948 5949 5950 5951 5952
function hydrateTeleport(node, vnode, parentComponent, parentSuspense, slotScopeIds, optimized, _ref15, hydrateChildren) {
  var {
    o: {
      nextSibling,
      parentNode,
      querySelector
    }
  } = _ref15;
  var target = vnode.target = resolveTarget(vnode.props, querySelector);
fxy060608's avatar
fxy060608 已提交
5953

fxy060608's avatar
fxy060608 已提交
5954 5955 5956 5957
  if (target) {
    // if multiple teleports rendered to the same target element, we need to
    // pick up from where the last teleport finished instead of the first node
    var targetNode = target._lpa || target.firstChild;
fxy060608's avatar
fxy060608 已提交
5958

fxy060608's avatar
fxy060608 已提交
5959 5960 5961 5962 5963 5964
    if (vnode.shapeFlag & 16
    /* ARRAY_CHILDREN */
    ) {
      if (isTeleportDisabled(vnode.props)) {
        vnode.anchor = hydrateChildren(nextSibling(node), vnode, parentNode(node), parentComponent, parentSuspense, slotScopeIds, optimized);
        vnode.targetAnchor = targetNode;
fxy060608's avatar
fxy060608 已提交
5965
      } else {
fxy060608's avatar
fxy060608 已提交
5966 5967
        vnode.anchor = nextSibling(node);
        vnode.targetAnchor = hydrateChildren(targetNode, vnode, target, parentComponent, parentSuspense, slotScopeIds, optimized);
fxy060608's avatar
fxy060608 已提交
5968
      }
fxy060608's avatar
fxy060608 已提交
5969

fxy060608's avatar
fxy060608 已提交
5970
      target._lpa = vnode.targetAnchor && nextSibling(vnode.targetAnchor);
fxy060608's avatar
fxy060608 已提交
5971
    }
fxy060608's avatar
fxy060608 已提交
5972
  }
fxy060608's avatar
fxy060608 已提交
5973

fxy060608's avatar
fxy060608 已提交
5974 5975
  return vnode.anchor && nextSibling(vnode.anchor);
} // Force-casted public typing for h and TSX props inference
fxy060608's avatar
fxy060608 已提交
5976 5977


fxy060608's avatar
fxy060608 已提交
5978 5979 5980 5981 5982 5983
var Teleport = TeleportImpl;
var COMPONENTS = 'components';
var DIRECTIVES = 'directives';
/**
 * @private
 */
fxy060608's avatar
fxy060608 已提交
5984

fxy060608's avatar
fxy060608 已提交
5985 5986 5987
function resolveComponent(name, maybeSelfReference) {
  return resolveAsset(COMPONENTS, name, true, maybeSelfReference) || name;
}
fxy060608's avatar
fxy060608 已提交
5988

fxy060608's avatar
fxy060608 已提交
5989 5990 5991 5992 5993 5994 5995 5996 5997 5998 5999 6000 6001 6002 6003 6004
var NULL_DYNAMIC_COMPONENT = Symbol();
/**
 * @private
 */

function resolveDynamicComponent(component) {
  if (isString(component)) {
    return resolveAsset(COMPONENTS, component, false) || component;
  } else {
    // invalid types will fallthrough to createVNode and raise warning
    return component || NULL_DYNAMIC_COMPONENT;
  }
}
/**
 * @private
 */
fxy060608's avatar
fxy060608 已提交
6005 6006


fxy060608's avatar
fxy060608 已提交
6007 6008 6009
function resolveDirective(name) {
  return resolveAsset(DIRECTIVES, name);
} // implementation
fxy060608's avatar
fxy060608 已提交
6010 6011


fxy060608's avatar
fxy060608 已提交
6012 6013 6014 6015
function resolveAsset(type, name) {
  var warnMissing = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : true;
  var maybeSelfReference = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
  var instance = currentRenderingInstance || currentInstance;
fxy060608's avatar
fxy060608 已提交
6016

fxy060608's avatar
fxy060608 已提交
6017 6018
  if (instance) {
    var Component = instance.type; // explicit self name has highest priority
fxy060608's avatar
fxy060608 已提交
6019

fxy060608's avatar
fxy060608 已提交
6020 6021
    if (type === COMPONENTS) {
      var selfName = getComponentName(Component);
fxy060608's avatar
fxy060608 已提交
6022

fxy060608's avatar
fxy060608 已提交
6023 6024
      if (selfName && (selfName === name || selfName === camelize(name) || selfName === capitalize(camelize(name)))) {
        return Component;
fxy060608's avatar
fxy060608 已提交
6025
      }
fxy060608's avatar
fxy060608 已提交
6026
    }
fxy060608's avatar
fxy060608 已提交
6027

fxy060608's avatar
fxy060608 已提交
6028 6029 6030 6031
    var res = // local registration
    // check instance[type] first which is resolved for options API
    resolve(instance[type] || Component[type], name) || // global registration
    resolve(instance.appContext[type], name);
fxy060608's avatar
fxy060608 已提交
6032

fxy060608's avatar
fxy060608 已提交
6033 6034 6035 6036
    if (!res && maybeSelfReference) {
      // fallback to implicit self-reference
      return Component;
    }
fxy060608's avatar
fxy060608 已提交
6037

fxy060608's avatar
fxy060608 已提交
6038 6039 6040
    return res;
  }
}
fxy060608's avatar
fxy060608 已提交
6041

fxy060608's avatar
fxy060608 已提交
6042 6043 6044
function resolve(registry, name) {
  return registry && (registry[name] || registry[camelize(name)] || registry[capitalize(camelize(name))]);
}
fxy060608's avatar
fxy060608 已提交
6045

fxy060608's avatar
fxy060608 已提交
6046 6047 6048 6049 6050 6051 6052 6053 6054 6055 6056 6057 6058 6059 6060 6061 6062 6063 6064 6065 6066 6067 6068 6069 6070 6071 6072 6073 6074 6075 6076 6077
var Fragment = Symbol(undefined);
var Text = Symbol(undefined);
var Comment = Symbol(undefined);
var Static = Symbol(undefined); // Since v-if and v-for are the two possible ways node structure can dynamically
// change, once we consider v-if branches and each v-for fragment a block, we
// can divide a template into nested blocks, and within each block the node
// structure would be stable. This allows us to skip most children diffing
// and only worry about the dynamic nodes (indicated by patch flags).

var blockStack = [];
var currentBlock = null;
/**
 * Open a block.
 * This must be called before `createBlock`. It cannot be part of `createBlock`
 * because the children of the block are evaluated before `createBlock` itself
 * is called. The generated code typically looks like this:
 *
 * ```js
 * function render() {
 *   return (openBlock(),createBlock('div', null, [...]))
 * }
 * ```
 * disableTracking is true when creating a v-for fragment block, since a v-for
 * fragment always diffs its children.
 *
 * @private
 */

function openBlock() {
  var disableTracking = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
  blockStack.push(currentBlock = disableTracking ? null : []);
}
fxy060608's avatar
fxy060608 已提交
6078

fxy060608's avatar
fxy060608 已提交
6079 6080 6081 6082 6083 6084 6085 6086 6087 6088 6089 6090 6091 6092 6093 6094 6095 6096 6097 6098 6099 6100 6101 6102 6103 6104 6105 6106 6107 6108
function closeBlock() {
  blockStack.pop();
  currentBlock = blockStack[blockStack.length - 1] || null;
} // Whether we should be tracking dynamic child nodes inside a block.
// Only tracks when this value is > 0
// We are not using a simple boolean because this value may need to be
// incremented/decremented by nested usage of v-once (see below)


var isBlockTreeEnabled = 1;
/**
 * Block tracking sometimes needs to be disabled, for example during the
 * creation of a tree that needs to be cached by v-once. The compiler generates
 * code like this:
 *
 * ``` js
 * _cache[1] || (
 *   setBlockTracking(-1),
 *   _cache[1] = createVNode(...),
 *   setBlockTracking(1),
 *   _cache[1]
 * )
 * ```
 *
 * @private
 */

function setBlockTracking(value) {
  isBlockTreeEnabled += value;
}
fxy060608's avatar
fxy060608 已提交
6109

fxy060608's avatar
fxy060608 已提交
6110 6111 6112
function setupBlock(vnode) {
  // save current block children on the block vnode
  vnode.dynamicChildren = isBlockTreeEnabled > 0 ? currentBlock || EMPTY_ARR : null; // close block
fxy060608's avatar
fxy060608 已提交
6113

fxy060608's avatar
fxy060608 已提交
6114 6115
  closeBlock(); // a block is always going to be patched, so track it as a child of its
  // parent block
fxy060608's avatar
fxy060608 已提交
6116

fxy060608's avatar
fxy060608 已提交
6117 6118 6119
  if (isBlockTreeEnabled > 0 && currentBlock) {
    currentBlock.push(vnode);
  }
fxy060608's avatar
fxy060608 已提交
6120

fxy060608's avatar
fxy060608 已提交
6121 6122 6123 6124 6125
  return vnode;
}
/**
 * @private
 */
fxy060608's avatar
fxy060608 已提交
6126 6127


fxy060608's avatar
fxy060608 已提交
6128 6129 6130 6131 6132 6133 6134 6135 6136 6137 6138 6139 6140 6141 6142 6143 6144 6145 6146
function createElementBlock(type, props, children, patchFlag, dynamicProps, shapeFlag) {
  return setupBlock(createBaseVNode(type, props, children, patchFlag, dynamicProps, shapeFlag, true
  /* isBlock */
  ));
}
/**
 * Create a block root vnode. Takes the same exact arguments as `createVNode`.
 * A block root keeps track of dynamic nodes within the block in the
 * `dynamicChildren` array.
 *
 * @private
 */


function createBlock(type, props, children, patchFlag, dynamicProps) {
  return setupBlock(createVNode(type, props, children, patchFlag, dynamicProps, true
  /* isBlock: prevent a block from tracking itself */
  ));
}
fxy060608's avatar
fxy060608 已提交
6147

fxy060608's avatar
fxy060608 已提交
6148 6149 6150
function isVNode(value) {
  return value ? value.__v_isVNode === true : false;
}
fxy060608's avatar
fxy060608 已提交
6151

fxy060608's avatar
fxy060608 已提交
6152 6153 6154 6155 6156 6157 6158 6159 6160 6161 6162 6163 6164 6165 6166 6167 6168 6169 6170 6171 6172 6173 6174 6175 6176 6177 6178 6179 6180 6181 6182 6183 6184 6185 6186 6187 6188 6189 6190 6191 6192 6193 6194 6195 6196 6197 6198 6199 6200 6201 6202 6203 6204 6205 6206 6207 6208 6209 6210 6211 6212 6213 6214 6215 6216 6217 6218 6219 6220 6221 6222 6223 6224 6225 6226 6227 6228 6229 6230 6231 6232 6233 6234 6235 6236 6237 6238 6239 6240 6241 6242 6243 6244 6245 6246 6247 6248 6249 6250 6251 6252 6253 6254 6255 6256 6257 6258 6259 6260
function isSameVNodeType(n1, n2) {
  return n1.type === n2.type && n1.key === n2.key;
}
/**
 * Internal API for registering an arguments transform for createVNode
 * used for creating stubs in the test-utils
 * It is *internal* but needs to be exposed for test-utils to pick up proper
 * typings
 */


function transformVNodeArgs(transformer) {}

var InternalObjectKey = "__vInternal";

var normalizeKey = _ref16 => {
  var {
    key
  } = _ref16;
  return key != null ? key : null;
};

var normalizeRef = _ref17 => {
  var {
    ref,
    ref_key,
    ref_for
  } = _ref17;
  return ref != null ? isString(ref) || isRef(ref) || isFunction(ref) ? {
    i: currentRenderingInstance,
    r: ref,
    k: ref_key,
    f: !!ref_for
  } : ref : null;
};

function createBaseVNode(type) {
  var props = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
  var children = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;
  var patchFlag = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 0;
  var dynamicProps = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : null;
  var shapeFlag = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : type === Fragment ? 0 : 1;
  var isBlockNode = arguments.length > 6 && arguments[6] !== undefined ? arguments[6] : false;
  var needFullChildrenNormalization = arguments.length > 7 && arguments[7] !== undefined ? arguments[7] : false;
  var vnode = {
    __v_isVNode: true,
    __v_skip: true,
    type,
    props,
    key: props && normalizeKey(props),
    ref: props && normalizeRef(props),
    scopeId: currentScopeId,
    slotScopeIds: null,
    children,
    component: null,
    suspense: null,
    ssContent: null,
    ssFallback: null,
    dirs: null,
    transition: null,
    el: null,
    anchor: null,
    target: null,
    targetAnchor: null,
    staticCount: 0,
    shapeFlag,
    patchFlag,
    dynamicProps,
    dynamicChildren: null,
    appContext: null
  };

  if (needFullChildrenNormalization) {
    normalizeChildren(vnode, children); // normalize suspense children

    if (shapeFlag & 128
    /* SUSPENSE */
    ) {
      type.normalize(vnode);
    }
  } else if (children) {
    // compiled element vnode - if children is passed, only possible types are
    // string or Array.
    vnode.shapeFlag |= isString(children) ? 8
    /* TEXT_CHILDREN */
    : 16
    /* ARRAY_CHILDREN */
    ;
  } // track vnode for block tree


  if (isBlockTreeEnabled > 0 && // avoid a block node from tracking itself
  !isBlockNode && // has current parent block
  currentBlock && ( // presence of a patch flag indicates this node needs patching on updates.
  // component nodes also should always be patched, because even if the
  // component doesn't need to update, it needs to persist the instance on to
  // the next vnode so that it can be properly unmounted later.
  vnode.patchFlag > 0 || shapeFlag & 6
  /* COMPONENT */
  ) && // the EVENTS flag is only for hydration and if it is the only flag, the
  // vnode should not be considered dynamic due to handler caching.
  vnode.patchFlag !== 32
  /* HYDRATE_EVENTS */
  ) {
    currentBlock.push(vnode);
  }

  return vnode;
}
fxy060608's avatar
fxy060608 已提交
6261

fxy060608's avatar
fxy060608 已提交
6262 6263 6264 6265 6266 6267 6268 6269 6270 6271 6272 6273 6274 6275 6276 6277 6278 6279 6280 6281
var createVNode = _createVNode;

function _createVNode(type) {
  var props = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
  var children = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : null;
  var patchFlag = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : 0;
  var dynamicProps = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : null;
  var isBlockNode = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : false;

  if (!type || type === NULL_DYNAMIC_COMPONENT) {
    type = Comment;
  }

  if (isVNode(type)) {
    // createVNode receiving an existing vnode. This happens in cases like
    // <component :is="vnode"/>
    // #2078 make sure to merge refs during the clone instead of overwriting it
    var cloned = cloneVNode(type, props, true
    /* mergeRef: true */
    );
fxy060608's avatar
fxy060608 已提交
6282

fxy060608's avatar
fxy060608 已提交
6283 6284 6285
    if (children) {
      normalizeChildren(cloned, children);
    }
fxy060608's avatar
fxy060608 已提交
6286

fxy060608's avatar
fxy060608 已提交
6287 6288
    return cloned;
  } // class component normalization.
fxy060608's avatar
fxy060608 已提交
6289 6290


fxy060608's avatar
fxy060608 已提交
6291 6292 6293
  if (isClassComponent(type)) {
    type = type.__vccOpts;
  } // class & style normalization.
fxy060608's avatar
fxy060608 已提交
6294 6295


fxy060608's avatar
fxy060608 已提交
6296 6297 6298 6299 6300 6301 6302
  if (props) {
    // for reactive or proxy objects, we need to clone it to enable mutation.
    props = guardReactiveProps(props);
    var {
      class: klass,
      style
    } = props;
fxy060608's avatar
fxy060608 已提交
6303

fxy060608's avatar
fxy060608 已提交
6304 6305 6306
    if (klass && !isString(klass)) {
      props.class = normalizeClass(klass);
    }
fxy060608's avatar
fxy060608 已提交
6307

fxy060608's avatar
fxy060608 已提交
6308 6309 6310 6311 6312
    if (isObject(style)) {
      // reactive state objects need to be cloned since they are likely to be
      // mutated
      if (isProxy(style) && !isArray(style)) {
        style = extend({}, style);
fxy060608's avatar
fxy060608 已提交
6313
      }
fxy060608's avatar
fxy060608 已提交
6314

fxy060608's avatar
fxy060608 已提交
6315
      props.style = normalizeStyle(style);
fxy060608's avatar
fxy060608 已提交
6316
    }
fxy060608's avatar
fxy060608 已提交
6317
  } // encode the vnode type information into a bitmap
fxy060608's avatar
fxy060608 已提交
6318 6319


fxy060608's avatar
fxy060608 已提交
6320 6321 6322 6323 6324 6325 6326 6327 6328 6329 6330 6331 6332
  var shapeFlag = isString(type) ? 1
  /* ELEMENT */
  : isSuspense(type) ? 128
  /* SUSPENSE */
  : isTeleport(type) ? 64
  /* TELEPORT */
  : isObject(type) ? 4
  /* STATEFUL_COMPONENT */
  : isFunction(type) ? 2
  /* FUNCTIONAL_COMPONENT */
  : 0;
  return createBaseVNode(type, props, children, patchFlag, dynamicProps, shapeFlag, isBlockNode, true);
}
fxy060608's avatar
fxy060608 已提交
6333

fxy060608's avatar
fxy060608 已提交
6334 6335 6336 6337
function guardReactiveProps(props) {
  if (!props) return null;
  return isProxy(props) || InternalObjectKey in props ? extend({}, props) : props;
}
fxy060608's avatar
fxy060608 已提交
6338

fxy060608's avatar
fxy060608 已提交
6339 6340 6341 6342 6343 6344 6345 6346 6347 6348 6349 6350 6351 6352 6353 6354 6355 6356 6357 6358 6359 6360 6361 6362 6363 6364 6365 6366 6367 6368 6369 6370 6371 6372 6373 6374 6375 6376 6377 6378 6379 6380 6381 6382 6383 6384 6385 6386 6387 6388 6389 6390 6391 6392 6393 6394 6395 6396 6397
function cloneVNode(vnode, extraProps) {
  var mergeRef = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
  // This is intentionally NOT using spread or extend to avoid the runtime
  // key enumeration cost.
  var {
    props,
    ref,
    patchFlag,
    children
  } = vnode;
  var mergedProps = extraProps ? mergeProps(props || {}, extraProps) : props;
  var cloned = {
    __v_isVNode: true,
    __v_skip: true,
    type: vnode.type,
    props: mergedProps,
    key: mergedProps && normalizeKey(mergedProps),
    ref: extraProps && extraProps.ref ? // #2078 in the case of <component :is="vnode" ref="extra"/>
    // if the vnode itself already has a ref, cloneVNode will need to merge
    // the refs so the single vnode can be set on multiple refs
    mergeRef && ref ? isArray(ref) ? ref.concat(normalizeRef(extraProps)) : [ref, normalizeRef(extraProps)] : normalizeRef(extraProps) : ref,
    scopeId: vnode.scopeId,
    slotScopeIds: vnode.slotScopeIds,
    children: children,
    target: vnode.target,
    targetAnchor: vnode.targetAnchor,
    staticCount: vnode.staticCount,
    shapeFlag: vnode.shapeFlag,
    // if the vnode is cloned with extra props, we can no longer assume its
    // existing patch flag to be reliable and need to add the FULL_PROPS flag.
    // note: preserve flag for fragments since they use the flag for children
    // fast paths only.
    patchFlag: extraProps && vnode.type !== Fragment ? patchFlag === -1 // hoisted node
    ? 16
    /* FULL_PROPS */
    : patchFlag | 16
    /* FULL_PROPS */
    : patchFlag,
    dynamicProps: vnode.dynamicProps,
    dynamicChildren: vnode.dynamicChildren,
    appContext: vnode.appContext,
    dirs: vnode.dirs,
    transition: vnode.transition,
    // These should technically only be non-null on mounted VNodes. However,
    // they *should* be copied for kept-alive vnodes. So we just always copy
    // them since them being non-null during a mount doesn't affect the logic as
    // they will simply be overwritten.
    component: vnode.component,
    suspense: vnode.suspense,
    ssContent: vnode.ssContent && cloneVNode(vnode.ssContent),
    ssFallback: vnode.ssFallback && cloneVNode(vnode.ssFallback),
    el: vnode.el,
    anchor: vnode.anchor
  };
  return cloned;
}
/**
 * @private
 */
fxy060608's avatar
fxy060608 已提交
6398

fxy060608's avatar
fxy060608 已提交
6399

fxy060608's avatar
fxy060608 已提交
6400 6401 6402 6403 6404 6405 6406 6407
function createTextVNode() {
  var text = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : ' ';
  var flag = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;
  return createVNode(Text, null, text, flag);
}
/**
 * @private
 */
fxy060608's avatar
fxy060608 已提交
6408 6409


fxy060608's avatar
fxy060608 已提交
6410 6411 6412 6413 6414 6415 6416 6417 6418 6419
function createStaticVNode(content, numberOfNodes) {
  // A static vnode can contain multiple stringified elements, and the number
  // of elements is necessary for hydration.
  var vnode = createVNode(Static, null, content);
  vnode.staticCount = numberOfNodes;
  return vnode;
}
/**
 * @private
 */
fxy060608's avatar
fxy060608 已提交
6420 6421


fxy060608's avatar
fxy060608 已提交
6422 6423 6424 6425 6426
function createCommentVNode() {
  var text = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : '';
  var asBlock = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
  return asBlock ? (openBlock(), createBlock(Comment, null, text)) : createVNode(Comment, null, text);
}
fxy060608's avatar
fxy060608 已提交
6427

fxy060608's avatar
fxy060608 已提交
6428 6429 6430 6431 6432 6433 6434 6435 6436 6437 6438 6439 6440 6441 6442 6443 6444 6445 6446 6447 6448 6449 6450 6451 6452 6453 6454 6455 6456 6457 6458 6459 6460 6461 6462 6463 6464 6465 6466 6467 6468 6469 6470 6471 6472 6473 6474 6475 6476 6477 6478 6479 6480 6481 6482 6483 6484 6485 6486 6487 6488 6489 6490 6491 6492 6493 6494 6495 6496 6497 6498
function normalizeVNode(child) {
  if (child == null || typeof child === 'boolean') {
    // empty placeholder
    return createVNode(Comment);
  } else if (isArray(child)) {
    // fragment
    return createVNode(Fragment, null, // #3666, avoid reference pollution when reusing vnode
    child.slice());
  } else if (typeof child === 'object') {
    // already vnode, this should be the most common since compiled templates
    // always produce all-vnode children arrays
    return cloneIfMounted(child);
  } else {
    // strings and numbers
    return createVNode(Text, null, String(child));
  }
} // optimized normalization for template-compiled render fns


function cloneIfMounted(child) {
  return child.el === null || child.memo ? child : cloneVNode(child);
}

function normalizeChildren(vnode, children) {
  var type = 0;
  var {
    shapeFlag
  } = vnode;

  if (children == null) {
    children = null;
  } else if (isArray(children)) {
    type = 16
    /* ARRAY_CHILDREN */
    ;
  } else if (typeof children === 'object') {
    if (shapeFlag & (1
    /* ELEMENT */
    | 64
    /* TELEPORT */
    )) {
      // Normalize slot to plain children for plain element and Teleport
      var slot = children.default;

      if (slot) {
        // _c marker is added by withCtx() indicating this is a compiled slot
        slot._c && (slot._d = false);
        normalizeChildren(vnode, slot());
        slot._c && (slot._d = true);
      }

      return;
    } else {
      type = 32
      /* SLOTS_CHILDREN */
      ;
      var slotFlag = children._;

      if (!slotFlag && !(InternalObjectKey in children)) {
        children._ctx = currentRenderingInstance;
      } else if (slotFlag === 3
      /* FORWARDED */
      && currentRenderingInstance) {
        // a child component receives forwarded slots from the parent.
        // its slot type is determined by its parent's slot type.
        if (currentRenderingInstance.slots._ === 1
        /* STABLE */
        ) {
          children._ = 1
          /* STABLE */
          ;
fxy060608's avatar
fxy060608 已提交
6499
        } else {
fxy060608's avatar
fxy060608 已提交
6500 6501 6502 6503 6504 6505
          children._ = 2
          /* DYNAMIC */
          ;
          vnode.patchFlag |= 1024
          /* DYNAMIC_SLOTS */
          ;
fxy060608's avatar
fxy060608 已提交
6506
        }
fxy060608's avatar
fxy060608 已提交
6507
      }
fxy060608's avatar
fxy060608 已提交
6508
    }
fxy060608's avatar
fxy060608 已提交
6509 6510 6511 6512 6513 6514 6515 6516 6517 6518 6519 6520 6521 6522 6523 6524 6525 6526 6527 6528 6529 6530 6531 6532
  } else if (isFunction(children)) {
    children = {
      default: children,
      _ctx: currentRenderingInstance
    };
    type = 32
    /* SLOTS_CHILDREN */
    ;
  } else {
    children = String(children); // force teleport children to array so it can be moved around

    if (shapeFlag & 64
    /* TELEPORT */
    ) {
      type = 16
      /* ARRAY_CHILDREN */
      ;
      children = [createTextVNode(children)];
    } else {
      type = 8
      /* TEXT_CHILDREN */
      ;
    }
  }
fxy060608's avatar
fxy060608 已提交
6533

fxy060608's avatar
fxy060608 已提交
6534 6535 6536 6537 6538 6539 6540 6541 6542 6543 6544 6545 6546 6547
  vnode.children = children;
  vnode.shapeFlag |= type;
}

function mergeProps() {
  var ret = {};

  for (var i = 0; i < arguments.length; i++) {
    var toMerge = i < 0 || arguments.length <= i ? undefined : arguments[i];

    for (var key in toMerge) {
      if (key === 'class') {
        if (ret.class !== toMerge.class) {
          ret.class = normalizeClass([ret.class, toMerge.class]);
fxy060608's avatar
fxy060608 已提交
6548
        }
fxy060608's avatar
fxy060608 已提交
6549 6550 6551 6552 6553
      } else if (key === 'style') {
        ret.style = normalizeStyle([ret.style, toMerge.style]);
      } else if (isOn(key)) {
        var existing = ret[key];
        var incoming = toMerge[key];
fxy060608's avatar
fxy060608 已提交
6554

fxy060608's avatar
fxy060608 已提交
6555 6556 6557 6558 6559 6560
        if (incoming && existing !== incoming && !(isArray(existing) && existing.includes(incoming))) {
          ret[key] = existing ? [].concat(existing, incoming) : incoming;
        }
      } else if (key !== '') {
        ret[key] = toMerge[key];
      }
fxy060608's avatar
fxy060608 已提交
6561
    }
fxy060608's avatar
fxy060608 已提交
6562
  }
fxy060608's avatar
fxy060608 已提交
6563

fxy060608's avatar
fxy060608 已提交
6564 6565
  return ret;
}
fxy060608's avatar
fxy060608 已提交
6566

fxy060608's avatar
fxy060608 已提交
6567 6568 6569 6570 6571 6572 6573 6574 6575
function invokeVNodeHook(hook, instance, vnode) {
  var prevVNode = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : null;
  callWithAsyncErrorHandling(hook, instance, 7
  /* VNODE_HOOK */
  , [vnode, prevVNode]);
}
/**
 * Actual implementation
 */
fxy060608's avatar
fxy060608 已提交
6576

fxy060608's avatar
fxy060608 已提交
6577

fxy060608's avatar
fxy060608 已提交
6578 6579 6580
function renderList(source, renderItem, cache, index) {
  var ret;
  var cached = cache && cache[index];
fxy060608's avatar
fxy060608 已提交
6581

fxy060608's avatar
fxy060608 已提交
6582 6583
  if (isArray(source) || isString(source)) {
    ret = new Array(source.length);
fxy060608's avatar
fxy060608 已提交
6584

fxy060608's avatar
fxy060608 已提交
6585 6586 6587 6588 6589
    for (var i = 0, l = source.length; i < l; i++) {
      ret[i] = renderItem(source[i], i, undefined, cached && cached[i]);
    }
  } else if (typeof source === 'number') {
    ret = new Array(source);
fxy060608's avatar
fxy060608 已提交
6590

fxy060608's avatar
fxy060608 已提交
6591 6592 6593 6594 6595 6596 6597 6598 6599 6600 6601 6602 6603
    for (var _i2 = 0; _i2 < source; _i2++) {
      ret[_i2] = renderItem(_i2 + 1, _i2, undefined, cached && cached[_i2]);
    }
  } else if (isObject(source)) {
    if (source[Symbol.iterator]) {
      ret = Array.from(source, (item, i) => renderItem(item, i, undefined, cached && cached[i]));
    } else {
      var keys = Object.keys(source);
      ret = new Array(keys.length);

      for (var _i3 = 0, _l = keys.length; _i3 < _l; _i3++) {
        var key = keys[_i3];
        ret[_i3] = renderItem(source[key], key, _i3, cached && cached[_i3]);
fxy060608's avatar
fxy060608 已提交
6604
      }
fxy060608's avatar
fxy060608 已提交
6605
    }
fxy060608's avatar
fxy060608 已提交
6606 6607 6608
  } else {
    ret = [];
  }
fxy060608's avatar
fxy060608 已提交
6609

fxy060608's avatar
fxy060608 已提交
6610 6611 6612
  if (cache) {
    cache[index] = ret;
  }
fxy060608's avatar
fxy060608 已提交
6613

fxy060608's avatar
fxy060608 已提交
6614 6615 6616 6617 6618 6619 6620 6621 6622 6623 6624 6625 6626 6627 6628 6629 6630 6631 6632
  return ret;
}
/**
 * Compiler runtime helper for creating dynamic slots object
 * @private
 */


function createSlots(slots, dynamicSlots) {
  for (var i = 0; i < dynamicSlots.length; i++) {
    var slot = dynamicSlots[i]; // array of dynamic slot generated by <template v-for="..." #[...]>

    if (isArray(slot)) {
      for (var j = 0; j < slot.length; j++) {
        slots[slot[j].name] = slot[j].fn;
      }
    } else if (slot) {
      // conditional single slot generated by <template v-if="..." #foo>
      slots[slot.name] = slot.fn;
fxy060608's avatar
fxy060608 已提交
6633
    }
fxy060608's avatar
fxy060608 已提交
6634
  }
fxy060608's avatar
fxy060608 已提交
6635

fxy060608's avatar
fxy060608 已提交
6636 6637 6638 6639 6640 6641 6642 6643 6644 6645 6646 6647 6648 6649 6650 6651 6652 6653 6654 6655 6656 6657 6658 6659 6660 6661 6662 6663 6664 6665 6666 6667 6668 6669 6670 6671 6672 6673 6674 6675 6676 6677 6678 6679 6680 6681 6682 6683 6684 6685 6686 6687
  return slots;
}
/**
 * Compiler runtime helper for rendering `<slot/>`
 * @private
 */


function renderSlot(slots, name) {
  var props = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
  var // this is not a user-facing function, so the fallback is always generated by
  // the compiler and guaranteed to be a function returning an array
  fallback = arguments.length > 3 ? arguments[3] : undefined;
  var noSlotted = arguments.length > 4 ? arguments[4] : undefined;

  if (currentRenderingInstance.isCE) {
    return createVNode('slot', name === 'default' ? null : {
      name
    }, fallback && fallback());
  }

  var slot = slots[name]; // a compiled slot disables block tracking by default to avoid manual
  // invocation interfering with template-based block tracking, but in
  // `renderSlot` we can be sure that it's template-based so we can force
  // enable it.

  if (slot && slot._c) {
    slot._d = false;
  }

  openBlock();
  var validSlotContent = slot && ensureValidVNode(slot(props));
  var rendered = createBlock(Fragment, {
    key: props.key || "_".concat(name)
  }, validSlotContent || (fallback ? fallback() : []), validSlotContent && slots._ === 1
  /* STABLE */
  ? 64
  /* STABLE_FRAGMENT */
  : -2
  /* BAIL */
  );

  if (!noSlotted && rendered.scopeId) {
    rendered.slotScopeIds = [rendered.scopeId + '-s'];
  }

  if (slot && slot._c) {
    slot._d = true;
  }

  return rendered;
}
fxy060608's avatar
fxy060608 已提交
6688

fxy060608's avatar
fxy060608 已提交
6689 6690 6691 6692 6693 6694 6695 6696 6697 6698 6699 6700 6701 6702 6703 6704 6705 6706 6707 6708 6709 6710 6711 6712 6713 6714 6715 6716 6717 6718 6719 6720 6721 6722 6723 6724 6725 6726 6727 6728 6729 6730 6731 6732 6733 6734 6735 6736 6737 6738 6739 6740 6741 6742 6743 6744 6745 6746 6747 6748 6749 6750 6751 6752 6753 6754 6755 6756 6757 6758 6759 6760 6761 6762 6763 6764 6765 6766 6767 6768 6769 6770 6771 6772 6773 6774 6775 6776 6777 6778 6779 6780 6781 6782 6783 6784 6785 6786 6787 6788 6789 6790 6791 6792 6793 6794 6795 6796 6797 6798 6799 6800 6801 6802 6803 6804 6805 6806 6807 6808 6809 6810 6811 6812 6813 6814
function ensureValidVNode(vnodes) {
  return vnodes.some(child => {
    if (!isVNode(child)) return true;
    if (child.type === Comment) return false;
    if (child.type === Fragment && !ensureValidVNode(child.children)) return false;
    return true;
  }) ? vnodes : null;
}
/**
 * For prefixing keys in v-on="obj" with "on"
 * @private
 */


function toHandlers(obj) {
  var ret = {};

  for (var key in obj) {
    ret[toHandlerKey(key)] = obj[key];
  }

  return ret;
}
/**
 * #2437 In Vue 3, functional components do not have a public instance proxy but
 * they exist in the internal parent chain. For code that relies on traversing
 * public $parent chains, skip functional ones and go to the parent instead.
 */


var getPublicInstance = i => {
  if (!i) return null;
  if (isStatefulComponent(i)) return getExposeProxy(i) || i.proxy;
  return getPublicInstance(i.parent);
};

var publicPropertiesMap = extend(Object.create(null), {
  $: i => i,
  $el: i => i.vnode.el,
  $data: i => i.data,
  $props: i => i.props,
  $attrs: i => i.attrs,
  $slots: i => i.slots,
  $refs: i => i.refs,
  $parent: i => getPublicInstance(i.parent),
  $root: i => getPublicInstance(i.root),
  $emit: i => i.emit,
  $options: i => resolveMergedOptions(i),
  $forceUpdate: i => () => queueJob(i.update),
  $nextTick: i => nextTick.bind(i.proxy),
  $watch: i => instanceWatch.bind(i)
});
var PublicInstanceProxyHandlers = {
  get(_ref18, key) {
    var {
      _: instance
    } = _ref18;
    var {
      ctx,
      setupState,
      data,
      props,
      accessCache,
      type,
      appContext
    } = instance; // data / props / ctx
    // This getter gets called for every property access on the render context
    // during render and is a major hotspot. The most expensive part of this
    // is the multiple hasOwn() calls. It's much faster to do a simple property
    // access on a plain object, so we use an accessCache object (with null
    // prototype) to memoize what access type a key corresponds to.

    var normalizedProps;

    if (key[0] !== '$') {
      var n = accessCache[key];

      if (n !== undefined) {
        switch (n) {
          case 1
          /* SETUP */
          :
            return setupState[key];

          case 2
          /* DATA */
          :
            return data[key];

          case 4
          /* CONTEXT */
          :
            return ctx[key];

          case 3
          /* PROPS */
          :
            return props[key];
          // default: just fallthrough
        }
      } else if (setupState !== EMPTY_OBJ && hasOwn(setupState, key)) {
        accessCache[key] = 1
        /* SETUP */
        ;
        return setupState[key];
      } else if (data !== EMPTY_OBJ && hasOwn(data, key)) {
        accessCache[key] = 2
        /* DATA */
        ;
        return data[key];
      } else if ( // only cache other properties when instance has declared (thus stable)
      // props
      (normalizedProps = instance.propsOptions[0]) && hasOwn(normalizedProps, key)) {
        accessCache[key] = 3
        /* PROPS */
        ;
        return props[key];
      } else if (ctx !== EMPTY_OBJ && hasOwn(ctx, key)) {
        accessCache[key] = 4
        /* CONTEXT */
        ;
        return ctx[key];
      } else if (shouldCacheAccess) {
        accessCache[key] = 0
        /* OTHER */
        ;
fxy060608's avatar
fxy060608 已提交
6815 6816 6817
      }
    }

fxy060608's avatar
fxy060608 已提交
6818 6819
    var publicGetter = publicPropertiesMap[key];
    var cssModule, globalProperties; // public $xxx properties
fxy060608's avatar
fxy060608 已提交
6820

fxy060608's avatar
fxy060608 已提交
6821 6822 6823 6824 6825
    if (publicGetter) {
      if (key === '$attrs') {
        track(instance, "get"
        /* GET */
        , key);
fxy060608's avatar
fxy060608 已提交
6826
      }
fxy060608's avatar
fxy060608 已提交
6827

fxy060608's avatar
fxy060608 已提交
6828 6829 6830 6831 6832 6833 6834 6835 6836 6837 6838 6839 6840 6841 6842 6843 6844 6845 6846 6847 6848 6849 6850 6851 6852 6853 6854 6855 6856 6857
      return publicGetter(instance);
    } else if ( // css module (injected by vue-loader)
    (cssModule = type.__cssModules) && (cssModule = cssModule[key])) {
      return cssModule;
    } else if (ctx !== EMPTY_OBJ && hasOwn(ctx, key)) {
      // user may set custom properties to `this` that start with `$`
      accessCache[key] = 4
      /* CONTEXT */
      ;
      return ctx[key];
    } else if ( // global properties
    globalProperties = appContext.config.globalProperties, hasOwn(globalProperties, key)) {
      {
        return globalProperties[key];
      }
    } else ;
  },

  set(_ref19, key, value) {
    var {
      _: instance
    } = _ref19;
    var {
      data,
      setupState,
      ctx
    } = instance;

    if (setupState !== EMPTY_OBJ && hasOwn(setupState, key)) {
      setupState[key] = value;
6858
      return true;
fxy060608's avatar
fxy060608 已提交
6859 6860
    } else if (data !== EMPTY_OBJ && hasOwn(data, key)) {
      data[key] = value;
6861
      return true;
fxy060608's avatar
fxy060608 已提交
6862 6863
    } else if (hasOwn(instance.props, key)) {
      return false;
fxy060608's avatar
fxy060608 已提交
6864
    }
fxy060608's avatar
fxy060608 已提交
6865

fxy060608's avatar
fxy060608 已提交
6866 6867 6868 6869 6870
    if (key[0] === '$' && key.slice(1) in instance) {
      return false;
    } else {
      {
        ctx[key] = value;
fxy060608's avatar
fxy060608 已提交
6871
      }
fxy060608's avatar
fxy060608 已提交
6872
    }
fxy060608's avatar
fxy060608 已提交
6873

fxy060608's avatar
fxy060608 已提交
6874 6875
    return true;
  },
fxy060608's avatar
fxy060608 已提交
6876

fxy060608's avatar
fxy060608 已提交
6877 6878 6879 6880 6881 6882 6883 6884 6885 6886 6887 6888 6889
  has(_ref20, key) {
    var {
      _: {
        data,
        setupState,
        accessCache,
        ctx,
        appContext,
        propsOptions
      }
    } = _ref20;
    var normalizedProps;
    return !!accessCache[key] || data !== EMPTY_OBJ && hasOwn(data, key) || setupState !== EMPTY_OBJ && hasOwn(setupState, key) || (normalizedProps = propsOptions[0]) && hasOwn(normalizedProps, key) || hasOwn(ctx, key) || hasOwn(publicPropertiesMap, key) || hasOwn(appContext.config.globalProperties, key);
6890 6891 6892 6893 6894 6895 6896 6897 6898 6899
  },

  defineProperty(target, key, descriptor) {
    if (descriptor.get != null) {
      this.set(target, key, descriptor.get(), null);
    } else if (descriptor.value != null) {
      this.set(target, key, descriptor.value, null);
    }

    return Reflect.defineProperty(target, key, descriptor);
fxy060608's avatar
fxy060608 已提交
6900 6901 6902 6903 6904 6905 6906 6907 6908 6909 6910 6911 6912 6913 6914 6915 6916 6917 6918 6919 6920 6921 6922 6923 6924 6925 6926 6927 6928 6929 6930 6931 6932 6933 6934 6935 6936 6937 6938 6939 6940 6941 6942 6943 6944 6945 6946 6947 6948 6949 6950 6951 6952 6953 6954 6955 6956 6957 6958 6959 6960 6961 6962 6963 6964 6965 6966 6967 6968 6969 6970 6971 6972 6973 6974 6975 6976 6977 6978 6979 6980 6981 6982 6983 6984 6985 6986 6987 6988 6989 6990 6991 6992 6993 6994 6995 6996 6997 6998 6999 7000 7001
  }

};
var RuntimeCompiledPublicInstanceProxyHandlers = /*#__PURE__*/extend({}, PublicInstanceProxyHandlers, {
  get(target, key) {
    // fast path for unscopables when using `with` block
    if (key === Symbol.unscopables) {
      return;
    }

    return PublicInstanceProxyHandlers.get(target, key, target);
  },

  has(_, key) {
    var has = key[0] !== '_' && !isGloballyWhitelisted(key);
    return has;
  }

});
var emptyAppContext = createAppContext();
var uid$1 = 0;

function createComponentInstance(vnode, parent, suspense) {
  var type = vnode.type; // inherit parent app context - or - if root, adopt from root vnode

  var appContext = (parent ? parent.appContext : vnode.appContext) || emptyAppContext;
  var instance = {
    uid: uid$1++,
    vnode,
    type,
    parent,
    appContext,
    root: null,
    next: null,
    subTree: null,
    effect: null,
    update: null,
    scope: new EffectScope(true
    /* detached */
    ),
    render: null,
    proxy: null,
    exposed: null,
    exposeProxy: null,
    withProxy: null,
    provides: parent ? parent.provides : Object.create(appContext.provides),
    accessCache: null,
    renderCache: [],
    // local resovled assets
    components: null,
    directives: null,
    // resolved props and emits options
    propsOptions: normalizePropsOptions(type, appContext),
    emitsOptions: normalizeEmitsOptions(type, appContext),
    // emit
    emit: null,
    emitted: null,
    // props default value
    propsDefaults: EMPTY_OBJ,
    // inheritAttrs
    inheritAttrs: type.inheritAttrs,
    // state
    ctx: EMPTY_OBJ,
    data: EMPTY_OBJ,
    props: EMPTY_OBJ,
    attrs: EMPTY_OBJ,
    slots: EMPTY_OBJ,
    refs: EMPTY_OBJ,
    setupState: EMPTY_OBJ,
    setupContext: null,
    // suspense related
    suspense,
    suspenseId: suspense ? suspense.pendingId : 0,
    asyncDep: null,
    asyncResolved: false,
    // lifecycle hooks
    // not using enums here because it results in computed properties
    isMounted: false,
    isUnmounted: false,
    isDeactivated: false,
    bc: null,
    c: null,
    bm: null,
    m: null,
    bu: null,
    u: null,
    um: null,
    bum: null,
    da: null,
    a: null,
    rtg: null,
    rtc: null,
    ec: null,
    sp: null
  };
  {
    instance.ctx = {
      _: instance
    };
  }
  instance.root = parent ? parent.root : instance;
  instance.emit = emit$1.bind(null, instance); // apply custom element special handling
fxy060608's avatar
fxy060608 已提交
7002

fxy060608's avatar
fxy060608 已提交
7003 7004 7005
  if (vnode.ce) {
    vnode.ce(instance);
  }
fxy060608's avatar
fxy060608 已提交
7006

fxy060608's avatar
fxy060608 已提交
7007 7008
  return instance;
}
fxy060608's avatar
fxy060608 已提交
7009

fxy060608's avatar
fxy060608 已提交
7010
var currentInstance = null;
fxy060608's avatar
fxy060608 已提交
7011

fxy060608's avatar
fxy060608 已提交
7012
var getCurrentInstance = () => currentInstance || currentRenderingInstance;
fxy060608's avatar
fxy060608 已提交
7013

fxy060608's avatar
fxy060608 已提交
7014 7015 7016 7017
var setCurrentInstance = instance => {
  currentInstance = instance;
  instance.scope.on();
};
fxy060608's avatar
fxy060608 已提交
7018

fxy060608's avatar
fxy060608 已提交
7019 7020 7021 7022
var unsetCurrentInstance = () => {
  currentInstance && currentInstance.scope.off();
  currentInstance = null;
};
fxy060608's avatar
fxy060608 已提交
7023

fxy060608's avatar
fxy060608 已提交
7024 7025 7026 7027 7028
function isStatefulComponent(instance) {
  return instance.vnode.shapeFlag & 4
  /* STATEFUL_COMPONENT */
  ;
}
fxy060608's avatar
fxy060608 已提交
7029

fxy060608's avatar
fxy060608 已提交
7030 7031 7032 7033 7034 7035 7036 7037 7038 7039 7040 7041 7042 7043 7044 7045
var isInSSRComponentSetup = false;

function setupComponent(instance) {
  var isSSR = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
  isInSSRComponentSetup = isSSR;
  var {
    props,
    children
  } = instance.vnode;
  var isStateful = isStatefulComponent(instance);
  initProps(instance, props, isStateful, isSSR);
  initSlots(instance, children);
  var setupResult = isStateful ? setupStatefulComponent(instance, isSSR) : undefined;
  isInSSRComponentSetup = false;
  return setupResult;
}
fxy060608's avatar
fxy060608 已提交
7046

fxy060608's avatar
fxy060608 已提交
7047 7048 7049 7050 7051 7052 7053 7054 7055 7056 7057 7058 7059 7060 7061 7062 7063 7064 7065 7066 7067 7068 7069 7070 7071 7072 7073 7074 7075 7076 7077 7078 7079 7080 7081 7082 7083 7084 7085 7086 7087
function setupStatefulComponent(instance, isSSR) {
  var Component = instance.type; // 0. create render proxy property access cache

  instance.accessCache = Object.create(null); // 1. create public instance / render proxy
  // also mark it raw so it's never observed

  instance.proxy = markRaw(new Proxy(instance.ctx, PublicInstanceProxyHandlers)); // 2. call setup()

  var {
    setup
  } = Component;

  if (setup) {
    var setupContext = instance.setupContext = setup.length > 1 ? createSetupContext(instance) : null;
    setCurrentInstance(instance);
    pauseTracking();
    var setupResult = callWithErrorHandling(setup, instance, 0
    /* SETUP_FUNCTION */
    , [instance.props, setupContext]);
    resetTracking();
    unsetCurrentInstance();

    if (isPromise(setupResult)) {
      setupResult.then(unsetCurrentInstance, unsetCurrentInstance);

      if (isSSR) {
        // return the promise so server-renderer can wait on it
        return setupResult.then(resolvedResult => {
          handleSetupResult(instance, resolvedResult, isSSR);
        }).catch(e => {
          handleError(e, instance, 0
          /* SETUP_FUNCTION */
          );
        });
      } else {
        // async setup returned Promise.
        // bail here and wait for re-entry.
        instance.asyncDep = setupResult;
      }
    } else {
      handleSetupResult(instance, setupResult, isSSR);
fxy060608's avatar
fxy060608 已提交
7088
    }
fxy060608's avatar
fxy060608 已提交
7089 7090 7091 7092
  } else {
    finishComponentSetup(instance, isSSR);
  }
}
fxy060608's avatar
fxy060608 已提交
7093

fxy060608's avatar
fxy060608 已提交
7094 7095 7096 7097 7098 7099 7100 7101 7102 7103 7104 7105 7106 7107 7108 7109
function handleSetupResult(instance, setupResult, isSSR) {
  if (isFunction(setupResult)) {
    // setup returned an inline render function
    if (instance.type.__ssrInlineRender) {
      // when the function's name is `ssrRender` (compiled by SFC inline mode),
      // set it as ssrRender instead.
      instance.ssrRender = setupResult;
    } else {
      instance.render = setupResult;
    }
  } else if (isObject(setupResult)) {
    instance.setupState = proxyRefs(setupResult);
  } else ;

  finishComponentSetup(instance, isSSR);
}
7110

fxy060608's avatar
fxy060608 已提交
7111 7112 7113 7114 7115 7116
var compile;
var installWithProxy;
/**
 * For runtime-dom to register the compiler.
 * Note the exported method uses any to avoid d.ts relying on the compiler types.
 */
fxy060608's avatar
fxy060608 已提交
7117

fxy060608's avatar
fxy060608 已提交
7118 7119
function registerRuntimeCompiler(_compile) {
  compile = _compile;
fxy060608's avatar
fxy060608 已提交
7120

fxy060608's avatar
fxy060608 已提交
7121 7122 7123
  installWithProxy = i => {
    if (i.render._rc) {
      i.withProxy = new Proxy(i.ctx, RuntimeCompiledPublicInstanceProxyHandlers);
fxy060608's avatar
fxy060608 已提交
7124
    }
fxy060608's avatar
fxy060608 已提交
7125 7126
  };
} // dev only
fxy060608's avatar
fxy060608 已提交
7127

fxy060608's avatar
fxy060608 已提交
7128

fxy060608's avatar
fxy060608 已提交
7129
var isRuntimeOnly = () => !compile;
fxy060608's avatar
fxy060608 已提交
7130

fxy060608's avatar
fxy060608 已提交
7131 7132 7133
function finishComponentSetup(instance, isSSR, skipOptions) {
  var Component = instance.type; // template / render function normalization
  // could be already set when returned from setup()
fxy060608's avatar
fxy060608 已提交
7134

fxy060608's avatar
fxy060608 已提交
7135 7136 7137 7138 7139
  if (!instance.render) {
    // only do on-the-fly compile if not in SSR - SSR on-the-fly compilation
    // is done by server-renderer
    if (!isSSR && compile && !Component.render) {
      var template = Component.template;
fxy060608's avatar
fxy060608 已提交
7140

fxy060608's avatar
fxy060608 已提交
7141 7142 7143 7144 7145 7146 7147 7148 7149 7150 7151 7152 7153 7154
      if (template) {
        var {
          isCustomElement,
          compilerOptions
        } = instance.appContext.config;
        var {
          delimiters,
          compilerOptions: componentCompilerOptions
        } = Component;
        var finalCompilerOptions = extend(extend({
          isCustomElement,
          delimiters
        }, compilerOptions), componentCompilerOptions);
        Component.render = compile(template, finalCompilerOptions);
fxy060608's avatar
fxy060608 已提交
7155
      }
fxy060608's avatar
fxy060608 已提交
7156
    }
fxy060608's avatar
fxy060608 已提交
7157

fxy060608's avatar
fxy060608 已提交
7158 7159 7160
    instance.render = Component.render || NOOP; // for runtime-compiled render functions using `with` blocks, the render
    // proxy used needs a different `has` handler which is more performant and
    // also only allows a whitelist of globals to fallthrough.
fxy060608's avatar
fxy060608 已提交
7161

fxy060608's avatar
fxy060608 已提交
7162 7163 7164 7165
    if (installWithProxy) {
      installWithProxy(instance);
    }
  } // support for 2.x options
fxy060608's avatar
fxy060608 已提交
7166 7167


fxy060608's avatar
fxy060608 已提交
7168 7169 7170 7171 7172 7173 7174 7175
  {
    setCurrentInstance(instance);
    pauseTracking();
    applyOptions(instance);
    resetTracking();
    unsetCurrentInstance();
  }
}
fxy060608's avatar
fxy060608 已提交
7176

fxy060608's avatar
fxy060608 已提交
7177 7178 7179 7180 7181 7182 7183
function createAttrsProxy(instance) {
  return new Proxy(instance.attrs, {
    get(target, key) {
      track(instance, "get"
      /* GET */
      , '$attrs');
      return target[key];
fxy060608's avatar
fxy060608 已提交
7184 7185
    }

fxy060608's avatar
fxy060608 已提交
7186 7187
  });
}
fxy060608's avatar
fxy060608 已提交
7188

fxy060608's avatar
fxy060608 已提交
7189 7190 7191 7192
function createSetupContext(instance) {
  var expose = exposed => {
    instance.exposed = exposed || {};
  };
fxy060608's avatar
fxy060608 已提交
7193

fxy060608's avatar
fxy060608 已提交
7194 7195 7196 7197 7198 7199
  var attrs;
  {
    return {
      get attrs() {
        return attrs || (attrs = createAttrsProxy(instance));
      },
fxy060608's avatar
fxy060608 已提交
7200

fxy060608's avatar
fxy060608 已提交
7201 7202 7203
      slots: instance.slots,
      emit: instance.emit,
      expose
fxy060608's avatar
fxy060608 已提交
7204
    };
fxy060608's avatar
fxy060608 已提交
7205 7206
  }
}
fxy060608's avatar
fxy060608 已提交
7207

fxy060608's avatar
fxy060608 已提交
7208 7209 7210 7211 7212 7213 7214 7215 7216
function getExposeProxy(instance) {
  if (instance.exposed) {
    return instance.exposeProxy || (instance.exposeProxy = new Proxy(proxyRefs(markRaw(instance.exposed)), {
      get(target, key) {
        if (key in target) {
          return target[key];
        } else if (key in publicPropertiesMap) {
          return publicPropertiesMap[key](instance);
        }
fxy060608's avatar
fxy060608 已提交
7217
      }
fxy060608's avatar
fxy060608 已提交
7218

fxy060608's avatar
fxy060608 已提交
7219 7220 7221
    }));
  }
}
fxy060608's avatar
fxy060608 已提交
7222

fxy060608's avatar
fxy060608 已提交
7223
var classifyRE = /(?:^|[-_])(\w)/g;
fxy060608's avatar
fxy060608 已提交
7224

fxy060608's avatar
fxy060608 已提交
7225
var classify = str => str.replace(classifyRE, c => c.toUpperCase()).replace(/[-_]/g, '');
fxy060608's avatar
fxy060608 已提交
7226

fxy060608's avatar
fxy060608 已提交
7227 7228 7229 7230
function getComponentName(Component) {
  return isFunction(Component) ? Component.displayName || Component.name : Component.name;
}
/* istanbul ignore next */
fxy060608's avatar
fxy060608 已提交
7231 7232


fxy060608's avatar
fxy060608 已提交
7233 7234 7235
function formatComponentName(instance, Component) {
  var isRoot = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
  var name = getComponentName(Component);
fxy060608's avatar
fxy060608 已提交
7236

fxy060608's avatar
fxy060608 已提交
7237 7238
  if (!name && Component.__file) {
    var match = Component.__file.match(/([^/\\]+)\.\w+$/);
fxy060608's avatar
fxy060608 已提交
7239

fxy060608's avatar
fxy060608 已提交
7240 7241 7242 7243
    if (match) {
      name = match[1];
    }
  }
fxy060608's avatar
fxy060608 已提交
7244

fxy060608's avatar
fxy060608 已提交
7245 7246 7247 7248 7249 7250 7251
  if (!name && instance && instance.parent) {
    // try to infer the name based on reverse resolution
    var inferFromRegistry = registry => {
      for (var key in registry) {
        if (registry[key] === Component) {
          return key;
        }
fxy060608's avatar
fxy060608 已提交
7252
      }
fxy060608's avatar
fxy060608 已提交
7253
    };
fxy060608's avatar
fxy060608 已提交
7254

fxy060608's avatar
fxy060608 已提交
7255 7256
    name = inferFromRegistry(instance.components || instance.parent.type.components) || inferFromRegistry(instance.appContext.components);
  }
fxy060608's avatar
fxy060608 已提交
7257

fxy060608's avatar
fxy060608 已提交
7258 7259
  return name ? classify(name) : isRoot ? "App" : "Anonymous";
}
fxy060608's avatar
fxy060608 已提交
7260

fxy060608's avatar
fxy060608 已提交
7261 7262 7263
function isClassComponent(value) {
  return isFunction(value) && '__vccOpts' in value;
}
fxy060608's avatar
fxy060608 已提交
7264

fxy060608's avatar
fxy060608 已提交
7265 7266 7267 7268
var computed = (getterOrOptions, debugOptions) => {
  // @ts-ignore
  return computed$1(getterOrOptions, debugOptions, isInSSRComponentSetup);
}; // implementation
fxy060608's avatar
fxy060608 已提交
7269 7270


fxy060608's avatar
fxy060608 已提交
7271 7272 7273
function defineProps() {
  return null;
} // implementation
fxy060608's avatar
fxy060608 已提交
7274 7275


fxy060608's avatar
fxy060608 已提交
7276 7277 7278 7279 7280 7281 7282 7283 7284 7285 7286 7287 7288 7289 7290 7291 7292 7293 7294 7295 7296 7297 7298 7299 7300 7301 7302 7303 7304 7305 7306 7307 7308 7309 7310 7311 7312 7313 7314 7315 7316
function defineEmits() {
  return null;
}
/**
 * Vue `<script setup>` compiler macro for declaring a component's exposed
 * instance properties when it is accessed by a parent component via template
 * refs.
 *
 * `<script setup>` components are closed by default - i.e. variables inside
 * the `<script setup>` scope is not exposed to parent unless explicitly exposed
 * via `defineExpose`.
 *
 * This is only usable inside `<script setup>`, is compiled away in the
 * output and should **not** be actually called at runtime.
 */


function defineExpose(exposed) {}
/**
 * Vue `<script setup>` compiler macro for providing props default values when
 * using type-based `defineProps` declaration.
 *
 * Example usage:
 * ```ts
 * withDefaults(defineProps<{
 *   size?: number
 *   labels?: string[]
 * }>(), {
 *   size: 3,
 *   labels: () => ['default label']
 * })
 * ```
 *
 * This is only usable inside `<script setup>`, is compiled away in the output
 * and should **not** be actually called at runtime.
 */


function withDefaults(props, defaults) {
  return null;
}
fxy060608's avatar
fxy060608 已提交
7317

fxy060608's avatar
fxy060608 已提交
7318 7319 7320
function useSlots() {
  return getContext().slots;
}
fxy060608's avatar
fxy060608 已提交
7321

fxy060608's avatar
fxy060608 已提交
7322 7323 7324
function useAttrs() {
  return getContext().attrs;
}
fxy060608's avatar
fxy060608 已提交
7325

fxy060608's avatar
fxy060608 已提交
7326 7327 7328 7329 7330 7331 7332 7333 7334
function getContext() {
  var i = getCurrentInstance();
  return i.setupContext || (i.setupContext = createSetupContext(i));
}
/**
 * Runtime helper for merging default declarations. Imported by compiled code
 * only.
 * @internal
 */
fxy060608's avatar
fxy060608 已提交
7335

fxy060608's avatar
fxy060608 已提交
7336

fxy060608's avatar
fxy060608 已提交
7337 7338
function mergeDefaults(raw, defaults) {
  var props = isArray(raw) ? raw.reduce((normalized, p) => (normalized[p] = {}, normalized), {}) : raw;
fxy060608's avatar
fxy060608 已提交
7339

fxy060608's avatar
fxy060608 已提交
7340 7341
  for (var key in defaults) {
    var opt = props[key];
fxy060608's avatar
fxy060608 已提交
7342

fxy060608's avatar
fxy060608 已提交
7343 7344 7345 7346 7347 7348 7349 7350
    if (opt) {
      if (isArray(opt) || isFunction(opt)) {
        props[key] = {
          type: opt,
          default: defaults[key]
        };
      } else {
        opt.default = defaults[key];
fxy060608's avatar
fxy060608 已提交
7351
      }
fxy060608's avatar
fxy060608 已提交
7352 7353 7354 7355 7356 7357
    } else if (opt === null) {
      props[key] = {
        default: defaults[key]
      };
    } else ;
  }
fxy060608's avatar
fxy060608 已提交
7358

fxy060608's avatar
fxy060608 已提交
7359 7360 7361 7362 7363 7364 7365
  return props;
}
/**
 * Used to create a proxy for the rest element when destructuring props with
 * defineProps().
 * @internal
 */
fxy060608's avatar
fxy060608 已提交
7366

fxy060608's avatar
fxy060608 已提交
7367

fxy060608's avatar
fxy060608 已提交
7368 7369
function createPropsRestProxy(props, excludedKeys) {
  var ret = {};
fxy060608's avatar
fxy060608 已提交
7370

fxy060608's avatar
fxy060608 已提交
7371 7372 7373 7374 7375 7376
  var _loop3 = function (key) {
    if (!excludedKeys.includes(key)) {
      Object.defineProperty(ret, key, {
        enumerable: true,
        get: () => props[key]
      });
fxy060608's avatar
fxy060608 已提交
7377
    }
fxy060608's avatar
fxy060608 已提交
7378
  };
fxy060608's avatar
fxy060608 已提交
7379

fxy060608's avatar
fxy060608 已提交
7380 7381 7382
  for (var key in props) {
    _loop3(key);
  }
fxy060608's avatar
fxy060608 已提交
7383

fxy060608's avatar
fxy060608 已提交
7384 7385 7386 7387 7388 7389 7390 7391 7392 7393 7394 7395 7396 7397 7398 7399 7400 7401 7402 7403 7404 7405 7406 7407 7408 7409 7410 7411 7412 7413 7414 7415 7416
  return ret;
}
/**
 * `<script setup>` helper for persisting the current instance context over
 * async/await flows.
 *
 * `@vue/compiler-sfc` converts the following:
 *
 * ```ts
 * const x = await foo()
 * ```
 *
 * into:
 *
 * ```ts
 * let __temp, __restore
 * const x = (([__temp, __restore] = withAsyncContext(() => foo())),__temp=await __temp,__restore(),__temp)
 * ```
 * @internal
 */


function withAsyncContext(getAwaitable) {
  var ctx = getCurrentInstance();
  var awaitable = getAwaitable();
  unsetCurrentInstance();

  if (isPromise(awaitable)) {
    awaitable = awaitable.catch(e => {
      setCurrentInstance(ctx);
      throw e;
    });
  }
fxy060608's avatar
fxy060608 已提交
7417

fxy060608's avatar
fxy060608 已提交
7418 7419
  return [awaitable, () => setCurrentInstance(ctx)];
} // Actual implementation
fxy060608's avatar
fxy060608 已提交
7420 7421


fxy060608's avatar
fxy060608 已提交
7422 7423
function h(type, propsOrChildren, children) {
  var l = arguments.length;
fxy060608's avatar
fxy060608 已提交
7424

fxy060608's avatar
fxy060608 已提交
7425 7426 7427 7428 7429 7430
  if (l === 2) {
    if (isObject(propsOrChildren) && !isArray(propsOrChildren)) {
      // single vnode without props
      if (isVNode(propsOrChildren)) {
        return createVNode(type, null, [propsOrChildren]);
      } // props without children
fxy060608's avatar
fxy060608 已提交
7431 7432


fxy060608's avatar
fxy060608 已提交
7433 7434 7435 7436 7437 7438 7439 7440 7441 7442 7443
      return createVNode(type, propsOrChildren);
    } else {
      // omit props
      return createVNode(type, null, propsOrChildren);
    }
  } else {
    if (l > 3) {
      children = Array.prototype.slice.call(arguments, 2);
    } else if (l === 3 && isVNode(children)) {
      children = [children];
    }
fxy060608's avatar
fxy060608 已提交
7444

fxy060608's avatar
fxy060608 已提交
7445 7446 7447
    return createVNode(type, propsOrChildren, children);
  }
}
fxy060608's avatar
fxy060608 已提交
7448

fxy060608's avatar
fxy060608 已提交
7449
var ssrContextKey = Symbol("");
fxy060608's avatar
fxy060608 已提交
7450

fxy060608's avatar
fxy060608 已提交
7451 7452 7453
var useSSRContext = () => {
  {
    var ctx = inject(ssrContextKey);
fxy060608's avatar
fxy060608 已提交
7454

fxy060608's avatar
fxy060608 已提交
7455 7456 7457
    if (!ctx) {
      warn("Server rendering context not provided. Make sure to only call " + "useSSRContext() conditionally in the server build.");
    }
fxy060608's avatar
fxy060608 已提交
7458

fxy060608's avatar
fxy060608 已提交
7459 7460 7461
    return ctx;
  }
};
fxy060608's avatar
fxy060608 已提交
7462

fxy060608's avatar
fxy060608 已提交
7463 7464 7465 7466 7467 7468
function initCustomFormatter() {
  /* eslint-disable no-restricted-globals */
  {
    return;
  }
}
fxy060608's avatar
fxy060608 已提交
7469

fxy060608's avatar
fxy060608 已提交
7470 7471
function withMemo(memo, render, cache, index) {
  var cached = cache[index];
fxy060608's avatar
fxy060608 已提交
7472

fxy060608's avatar
fxy060608 已提交
7473 7474 7475
  if (cached && isMemoSame(cached, memo)) {
    return cached;
  }
fxy060608's avatar
fxy060608 已提交
7476

fxy060608's avatar
fxy060608 已提交
7477
  var ret = render(); // shallow clone
fxy060608's avatar
fxy060608 已提交
7478

fxy060608's avatar
fxy060608 已提交
7479 7480 7481
  ret.memo = memo.slice();
  return cache[index] = ret;
}
fxy060608's avatar
fxy060608 已提交
7482

fxy060608's avatar
fxy060608 已提交
7483 7484
function isMemoSame(cached, memo) {
  var prev = cached.memo;
fxy060608's avatar
fxy060608 已提交
7485

fxy060608's avatar
fxy060608 已提交
7486 7487 7488
  if (prev.length != memo.length) {
    return false;
  }
fxy060608's avatar
fxy060608 已提交
7489

fxy060608's avatar
fxy060608 已提交
7490 7491 7492
  for (var i = 0; i < prev.length; i++) {
    if (prev[i] !== memo[i]) {
      return false;
fxy060608's avatar
fxy060608 已提交
7493
    }
fxy060608's avatar
fxy060608 已提交
7494 7495 7496 7497 7498 7499 7500 7501 7502 7503 7504
  } // make sure to let parent block track it when returning cached


  if (isBlockTreeEnabled > 0 && currentBlock) {
    currentBlock.push(cached);
  }

  return true;
} // Core API ------------------------------------------------------------------


7505
var version = "3.2.31";
fxy060608's avatar
fxy060608 已提交
7506 7507 7508 7509 7510 7511 7512 7513 7514 7515 7516 7517 7518 7519 7520 7521 7522 7523 7524 7525 7526 7527 7528 7529 7530 7531 7532 7533 7534 7535 7536 7537 7538 7539 7540 7541 7542 7543 7544 7545 7546 7547 7548 7549 7550 7551 7552 7553 7554 7555 7556 7557 7558 7559
/**
 * @internal only exposed in compat builds
 */

var resolveFilter = null;
/**
 * @internal only exposed in compat builds.
 */

var compatUtils = null;
var nodeOps = {
  insert: (child, parent, anchor) => {
    if (!anchor) {
      return parent.appendChild(child);
    }

    return parent.insertBefore(child, anchor);
  },
  remove: child => {
    var parent = child.parentNode;

    if (parent) {
      parent.removeChild(child);
    }
  },
  createElement: tag => {
    return document.createElement(tag);
  },
  createText: text => document.createText(text),
  createComment: text => document.createComment(text),
  setText: (node, text) => {
    node.setAttr('value', text);
  },
  setElementText: (el, text) => {
    el.setAttr('value', text);
  },
  parentNode: node => node.parentNode,
  nextSibling: node => node.nextSibling
};

function useCssStyles(styles) {
  var normalized = {};

  if (isArray(styles)) {
    styles.forEach(style => {
      Object.keys(style).forEach(name => {
        if (hasOwn(normalized, name)) {
          extend(normalized[name], style[name]);
        } else {
          normalized[name] = style[name];
        }
      });
    });
  }
fxy060608's avatar
fxy060608 已提交
7560

fxy060608's avatar
fxy060608 已提交
7561 7562
  return normalized;
}
fxy060608's avatar
fxy060608 已提交
7563

fxy060608's avatar
fxy060608 已提交
7564 7565 7566 7567 7568
function parseStylesheet(_ref21) {
  var {
    type,
    vnode: {
      appContext
fxy060608's avatar
fxy060608 已提交
7569
    }
fxy060608's avatar
fxy060608 已提交
7570 7571
  } = _ref21;
  var component = type;
fxy060608's avatar
fxy060608 已提交
7572

fxy060608's avatar
fxy060608 已提交
7573 7574 7575 7576 7577 7578
  if (!component.__styles) {
    if (component.mpType === 'page' && appContext) {
      // 如果是页面组件,则直接使用全局样式
      component.__styles = appContext.provides.__globalStyles;
    } else {
      var styles = [];
fxy060608's avatar
fxy060608 已提交
7579

fxy060608's avatar
fxy060608 已提交
7580 7581 7582 7583
      if (appContext) {
        // 全局样式,包括 app.css 以及 page.css
        styles.push(appContext.provides.__globalStyles);
      }
fxy060608's avatar
fxy060608 已提交
7584

fxy060608's avatar
fxy060608 已提交
7585 7586
      if (isArray(component.styles)) {
        component.styles.forEach(style => styles.push(style));
fxy060608's avatar
fxy060608 已提交
7587 7588
      }

fxy060608's avatar
fxy060608 已提交
7589
      component.__styles = useCssStyles(styles);
fxy060608's avatar
fxy060608 已提交
7590
    }
fxy060608's avatar
fxy060608 已提交
7591
  }
fxy060608's avatar
fxy060608 已提交
7592

fxy060608's avatar
fxy060608 已提交
7593 7594
  return component.__styles;
}
fxy060608's avatar
fxy060608 已提交
7595

fxy060608's avatar
fxy060608 已提交
7596 7597 7598
function isUndef(val) {
  return val === undefined || val === null;
}
fxy060608's avatar
fxy060608 已提交
7599

fxy060608's avatar
fxy060608 已提交
7600 7601
function patchAttr(el, key, value) {
  var instance = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : null;
fxy060608's avatar
fxy060608 已提交
7602

fxy060608's avatar
fxy060608 已提交
7603 7604 7605
  if (instance) {
    [key, value] = transformAttr(el, key, value, instance);
  }
fxy060608's avatar
fxy060608 已提交
7606

fxy060608's avatar
fxy060608 已提交
7607 7608 7609 7610
  if (value == null) ;else {
    el.setAttr(key, value);
  }
}
fxy060608's avatar
fxy060608 已提交
7611

fxy060608's avatar
fxy060608 已提交
7612 7613 7614 7615 7616 7617 7618 7619 7620 7621 7622 7623 7624 7625 7626 7627 7628 7629 7630 7631 7632 7633 7634 7635 7636 7637 7638 7639 7640 7641 7642 7643 7644 7645 7646 7647 7648 7649 7650 7651 7652 7653 7654 7655 7656 7657 7658 7659 7660 7661 7662 7663 7664 7665 7666 7667 7668 7669 7670 7671 7672 7673 7674 7675 7676 7677 7678 7679 7680 7681 7682 7683 7684 7685 7686 7687 7688 7689 7690 7691 7692 7693 7694 7695 7696 7697 7698 7699 7700 7701 7702 7703 7704 7705 7706
var ATTR_HOVER_CLASS = 'hoverClass';
var ATTR_PLACEHOLDER_CLASS = 'placeholderClass';
var ATTR_PLACEHOLDER_STYLE = 'placeholderStyle';
var ATTR_INDICATOR_CLASS = 'indicatorClass';
var ATTR_INDICATOR_STYLE = 'indicatorStyle';
var ATTR_MASK_CLASS = 'maskClass';
var ATTR_MASK_STYLE = 'maskStyle';
var CLASS_AND_STYLES = {
  view: {
    class: [ATTR_HOVER_CLASS],
    style: []
  },
  button: {
    class: [ATTR_HOVER_CLASS],
    style: []
  },
  navigator: {
    class: [ATTR_HOVER_CLASS],
    style: []
  },
  'u-input': {
    class: [ATTR_PLACEHOLDER_CLASS],
    style: [ATTR_PLACEHOLDER_STYLE]
  },
  'u-textarea': {
    class: [ATTR_PLACEHOLDER_CLASS],
    style: [ATTR_PLACEHOLDER_STYLE]
  },
  'picker-view': {
    class: [ATTR_INDICATOR_CLASS, ATTR_MASK_CLASS],
    style: [ATTR_INDICATOR_STYLE, ATTR_MASK_STYLE]
  }
};

function transformAttr(el, key, value, instance) {
  if (!value) {
    return [key, value];
  }

  var opts = CLASS_AND_STYLES[el.type];

  if (opts) {
    var camelized = camelize(key);

    if (opts['class'].indexOf(camelized) > -1) {
      return [camelized, parseStylesheet(instance)[value] || {}];
    }

    if (opts['style'].indexOf(key) > -1) {
      if (isString(value)) {
        return [camelized, parseStringStyle(value)];
      }

      return [camelized, normalizeStyle(value)];
    }
  }

  return [key, value];
} // compiler should normalize class + :class bindings on the same element
// into a single binding ['staticClass', dynamic]


function patchClass(el, pre, next) {
  var instance = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : null;

  // 移除 class
  if (next == null) {
    return;
  }

  if (!instance) {
    return;
  }

  var oldStyle = getStyle(pre, instance);
  var newStyle = getStyle(next, instance);
  var cur, name;
  var batchedStyles = {};

  for (name in oldStyle) {
    if (isUndef(newStyle[name])) {
      batchedStyles[name] = '';
    }
  }

  for (name in newStyle) {
    cur = newStyle[name];

    if (cur !== oldStyle[name]) {
      batchedStyles[name] = cur;
    }
  }

  el.setStyles(batchedStyles);
}
fxy060608's avatar
fxy060608 已提交
7707

fxy060608's avatar
fxy060608 已提交
7708 7709 7710 7711 7712 7713 7714 7715 7716 7717 7718 7719 7720 7721
function getStyle(clazz, instance) {
  if (!clazz) {
    return {};
  }

  var classList = clazz.split(' ');
  var stylesheet = parseStylesheet(instance);
  var result = {};
  classList.forEach(name => {
    var style = stylesheet[name];
    extend(result, style);
  });
  return result;
}
fxy060608's avatar
fxy060608 已提交
7722

fxy060608's avatar
fxy060608 已提交
7723 7724 7725
function addEventListener(el, event, handler, options) {
  el.addEvent(event, handler);
}
fxy060608's avatar
fxy060608 已提交
7726

fxy060608's avatar
fxy060608 已提交
7727 7728 7729
function removeEventListener(el, event) {
  el.removeEvent(event);
}
fxy060608's avatar
fxy060608 已提交
7730

fxy060608's avatar
fxy060608 已提交
7731 7732 7733 7734 7735 7736 7737 7738 7739 7740 7741 7742 7743 7744 7745 7746 7747 7748 7749 7750 7751 7752 7753
function patchEvent(el, rawName, prevValue, nextValue) {
  var instance = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : null;
  // vei = vue event invokers
  var invokers = el._vei || (el._vei = {});
  var existingInvoker = invokers[rawName];

  if (nextValue && existingInvoker) {
    // patch
    existingInvoker.value = nextValue;
  } else {
    var [name, options] = parseName(rawName);

    if (nextValue) {
      // add
      var invoker = invokers[rawName] = createInvoker(nextValue, instance);
      addEventListener(el, name, invoker);
    } else if (existingInvoker) {
      // remove
      removeEventListener(el, name);
      invokers[rawName] = undefined;
    }
  }
}
fxy060608's avatar
fxy060608 已提交
7754

fxy060608's avatar
fxy060608 已提交
7755
var optionsModifierRE = /(?:Once|Passive|Capture)$/;
fxy060608's avatar
fxy060608 已提交
7756

fxy060608's avatar
fxy060608 已提交
7757 7758
function parseName(name) {
  var options;
fxy060608's avatar
fxy060608 已提交
7759

fxy060608's avatar
fxy060608 已提交
7760 7761 7762
  if (optionsModifierRE.test(name)) {
    options = {};
    var m;
fxy060608's avatar
fxy060608 已提交
7763

fxy060608's avatar
fxy060608 已提交
7764 7765 7766 7767 7768
    while (m = name.match(optionsModifierRE)) {
      name = name.slice(0, name.length - m[0].length);
      options[m[0].toLowerCase()] = true;
    }
  }
fxy060608's avatar
fxy060608 已提交
7769

fxy060608's avatar
fxy060608 已提交
7770 7771
  return [hyphenate(name.slice(2)), options];
}
fxy060608's avatar
fxy060608 已提交
7772

fxy060608's avatar
fxy060608 已提交
7773 7774 7775 7776 7777 7778 7779 7780 7781 7782 7783 7784 7785 7786 7787 7788
function createInvoker(initialValue, instance) {
  var invoker = e => {
    callWithAsyncErrorHandling(invoker.value, instance, 5
    /* NATIVE_EVENT_HANDLER */
    , [e]);
  };

  invoker.value = initialValue;
  var modifiers = new Set(); // 合并 modifiers

  if (isArray(invoker.value)) {
    invoker.value.forEach(v => {
      if (v.modifiers) {
        v.modifiers.forEach(m => {
          modifiers.add(m);
        });
fxy060608's avatar
fxy060608 已提交
7789
      }
fxy060608's avatar
fxy060608 已提交
7790 7791 7792 7793 7794 7795
    });
  } else {
    if (invoker.value.modifiers) {
      invoker.value.modifiers.forEach(m => {
        modifiers.add(m);
      });
fxy060608's avatar
fxy060608 已提交
7796
    }
fxy060608's avatar
fxy060608 已提交
7797

fxy060608's avatar
fxy060608 已提交
7798 7799
    initWxsEvent(invoker, instance);
  }
fxy060608's avatar
fxy060608 已提交
7800

fxy060608's avatar
fxy060608 已提交
7801 7802 7803
  invoker.modifiers = [...modifiers];
  return invoker;
}
fxy060608's avatar
fxy060608 已提交
7804

fxy060608's avatar
fxy060608 已提交
7805 7806 7807 7808
function initWxsEvent(invoker, instance) {
  if (!instance) {
    return;
  }
fxy060608's avatar
fxy060608 已提交
7809

fxy060608's avatar
fxy060608 已提交
7810 7811 7812
  var {
    $wxsModules
  } = instance;
fxy060608's avatar
fxy060608 已提交
7813

fxy060608's avatar
fxy060608 已提交
7814 7815 7816
  if (!$wxsModules) {
    return;
  }
fxy060608's avatar
fxy060608 已提交
7817

fxy060608's avatar
fxy060608 已提交
7818
  var invokerSourceCode = invoker.value.toString();
fxy060608's avatar
fxy060608 已提交
7819

fxy060608's avatar
fxy060608 已提交
7820 7821 7822 7823 7824 7825
  if (!$wxsModules.find(module => invokerSourceCode.indexOf('.' + module + '.') > -1)) {
    return;
  }

  invoker.wxsEvent = invoker.value();
}
fxy060608's avatar
fxy060608 已提交
7826

fxy060608's avatar
fxy060608 已提交
7827 7828 7829 7830 7831 7832
function patchStyle(el, prev, next) {
  if (!next) {
    // TODO remove styles
    // el.setStyles({})
    return;
  }
fxy060608's avatar
fxy060608 已提交
7833

fxy060608's avatar
fxy060608 已提交
7834 7835 7836
  if (isString(next)) {
    next = parseStringStyle(next);
  }
fxy060608's avatar
fxy060608 已提交
7837

fxy060608's avatar
fxy060608 已提交
7838 7839 7840 7841 7842 7843 7844
  var batchedStyles = {};
  var isPrevObj = prev && !isString(prev);

  if (isPrevObj) {
    for (var key in prev) {
      if (next[key] == null) {
        batchedStyles[camelize(key)] = '';
fxy060608's avatar
fxy060608 已提交
7845
      }
fxy060608's avatar
fxy060608 已提交
7846 7847
    }

fxy060608's avatar
fxy060608 已提交
7848 7849
    for (var _key11 in next) {
      var value = next[_key11];
fxy060608's avatar
fxy060608 已提交
7850

fxy060608's avatar
fxy060608 已提交
7851 7852
      if (value !== prev[_key11]) {
        batchedStyles[camelize(_key11)] = value;
fxy060608's avatar
fxy060608 已提交
7853
      }
fxy060608's avatar
fxy060608 已提交
7854 7855 7856 7857 7858 7859 7860 7861 7862
    }
  } else {
    for (var _key12 in next) {
      batchedStyles[camelize(_key12)] = next[_key12];
    }
  }

  el.setStyles(batchedStyles);
}
fxy060608's avatar
fxy060608 已提交
7863

fxy060608's avatar
fxy060608 已提交
7864 7865 7866 7867 7868 7869
var patchProp = function (el, key, prevValue, nextValue) {
  var isSVG = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : false;
  var prevChildren = arguments.length > 5 ? arguments[5] : undefined;
  var parentComponent = arguments.length > 6 ? arguments[6] : undefined;
  var parentSuspense = arguments.length > 7 ? arguments[7] : undefined;
  var unmountChildren = arguments.length > 8 ? arguments[8] : undefined;
fxy060608's avatar
fxy060608 已提交
7870

fxy060608's avatar
fxy060608 已提交
7871 7872 7873 7874 7875 7876 7877 7878
  if (key === 'class') {
    patchClass(el, prevValue, nextValue, parentComponent);
  } else if (key === 'style') {
    patchStyle(el, prevValue, nextValue);
  } else if (isOn(key)) {
    // ignore v-model listeners
    if (!isModelListener(key)) {
      patchEvent(el, key, prevValue, nextValue, parentComponent);
fxy060608's avatar
fxy060608 已提交
7879
    }
fxy060608's avatar
fxy060608 已提交
7880 7881 7882 7883
  } else {
    patchAttr(el, key, nextValue, parentComponent);
  }
};
fxy060608's avatar
fxy060608 已提交
7884

fxy060608's avatar
fxy060608 已提交
7885 7886
function useCssModule() {
  var name = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : '$style';
fxy060608's avatar
fxy060608 已提交
7887

fxy060608's avatar
fxy060608 已提交
7888 7889 7890
  /* istanbul ignore else */
  {
    var instance = getCurrentInstance();
fxy060608's avatar
fxy060608 已提交
7891

fxy060608's avatar
fxy060608 已提交
7892 7893 7894
    if (!instance) {
      return EMPTY_OBJ;
    }
fxy060608's avatar
fxy060608 已提交
7895

fxy060608's avatar
fxy060608 已提交
7896
    var modules = instance.type.__cssModules;
fxy060608's avatar
fxy060608 已提交
7897

fxy060608's avatar
fxy060608 已提交
7898 7899 7900
    if (!modules) {
      return EMPTY_OBJ;
    }
fxy060608's avatar
fxy060608 已提交
7901

fxy060608's avatar
fxy060608 已提交
7902 7903 7904 7905
    var mod = modules[name];

    if (!mod) {
      return EMPTY_OBJ;
fxy060608's avatar
fxy060608 已提交
7906 7907
    }

fxy060608's avatar
fxy060608 已提交
7908 7909 7910 7911 7912 7913 7914
    return mod;
  }
}
/**
 * Runtime helper for SFC's CSS variable injection feature.
 * @private
 */
fxy060608's avatar
fxy060608 已提交
7915 7916


fxy060608's avatar
fxy060608 已提交
7917 7918 7919
function useCssVars(getter) {
  var instance = getCurrentInstance();
  /* istanbul ignore next */
fxy060608's avatar
fxy060608 已提交
7920

fxy060608's avatar
fxy060608 已提交
7921 7922 7923
  if (!instance) {
    return;
  }
fxy060608's avatar
fxy060608 已提交
7924

fxy060608's avatar
fxy060608 已提交
7925
  var setVars = () => setVarsOnVNode(instance.subTree, getter(instance.proxy));
fxy060608's avatar
fxy060608 已提交
7926

fxy060608's avatar
fxy060608 已提交
7927 7928 7929 7930 7931
  onMounted(() => watchEffect(setVars, {
    flush: 'post'
  }));
  onUpdated(setVars);
}
fxy060608's avatar
fxy060608 已提交
7932

fxy060608's avatar
fxy060608 已提交
7933 7934 7935 7936 7937 7938
function setVarsOnVNode(vnode, vars) {
  if (vnode.shapeFlag & 128
  /* SUSPENSE */
  ) {
    var suspense = vnode.suspense;
    vnode = suspense.activeBranch;
fxy060608's avatar
fxy060608 已提交
7939

fxy060608's avatar
fxy060608 已提交
7940 7941 7942 7943 7944 7945
    if (suspense.pendingBranch && !suspense.isHydrating) {
      suspense.effects.push(() => {
        setVarsOnVNode(suspense.activeBranch, vars);
      });
    }
  } // drill down HOCs until it's a non-component vnode
fxy060608's avatar
fxy060608 已提交
7946

fxy060608's avatar
fxy060608 已提交
7947

fxy060608's avatar
fxy060608 已提交
7948 7949 7950
  while (vnode.component) {
    vnode = vnode.component.subTree;
  }
fxy060608's avatar
fxy060608 已提交
7951

fxy060608's avatar
fxy060608 已提交
7952 7953 7954 7955 7956 7957 7958 7959 7960 7961 7962
  if (vnode.shapeFlag & 1
  /* ELEMENT */
  && vnode.el) {
    var style = vnode.el.style;

    for (var key in vars) {
      style.setProperty("--".concat(key), vars[key]);
    }
  } else if (vnode.type === Fragment) {
    vnode.children.forEach(c => setVarsOnVNode(c, vars));
  }
fxy060608's avatar
fxy060608 已提交
7963
}
fxy060608's avatar
fxy060608 已提交
7964 7965 7966 7967 7968 7969 7970 7971 7972 7973 7974 7975 7976 7977 7978 7979 7980 7981 7982 7983 7984 7985 7986 7987 7988 7989 7990 7991 7992 7993

var rendererOptions = extend({
  patchProp
}, nodeOps); // lazy create the renderer - this makes core renderer logic tree-shakable
// in case the user only imports reactivity utilities from Vue.

var renderer;

function ensureRenderer() {
  return renderer || (renderer = createRenderer(rendererOptions));
} // use explicit type casts here to avoid import() calls in rolled-up d.ts


var render = function () {
  ensureRenderer().render(...arguments);
};

var createApp = function () {
  var app = ensureRenderer().createApp(...arguments);
  var {
    mount
  } = app;

  app.mount = container => {
    return mount(container);
  };

  return app;
};

fxy060608's avatar
fxy060608 已提交
7994
export { BaseTransition, Comment, Fragment, KeepAlive, Static, Suspense, Teleport, Text, callWithAsyncErrorHandling, callWithErrorHandling, cloneVNode, compatUtils, computed, createApp, createBlock, createCommentVNode, createElementBlock, createBaseVNode as createElementVNode, createHydrationRenderer, createPropsRestProxy, createRenderer, createSlots, createStaticVNode, createTextVNode, createVNode, defineAsyncComponent, defineComponent, defineEmits, defineExpose, defineProps, devtools, getCurrentInstance, getTransitionRawChildren, guardReactiveProps, h, handleError, initCustomFormatter, inject, injectHook, isInSSRComponentSetup, isMemoSame, isRuntimeOnly, isVNode, mergeDefaults, mergeProps, nextTick, onActivated, onBeforeMount, onBeforeUnmount, onBeforeUpdate, onDeactivated, onErrorCaptured, onMounted, onRenderTracked, onRenderTriggered, onServerPrefetch, onUnmounted, onUpdated, openBlock, popScopeId, provide, pushScopeId, queuePostFlushCb, registerRuntimeCompiler, render, renderList, renderSlot, resolveComponent, resolveDirective, resolveDynamicComponent, resolveFilter, resolveTransitionHooks, setBlockTracking, setDevtoolsHook, setTransitionHooks, ssrContextKey, toHandlers, transformVNodeArgs, useAttrs, useCssModule, useCssStyles, useCssVars, useSSRContext, useSlots, useTransitionState, version, warn, watch, watchEffect, watchPostEffect, watchSyncEffect, withAsyncContext, withCtx, withDefaults, withDirectives, withMemo, withScopeId };