import { EMPTY_OBJ, isArray, isMap, isIntegerKey, isSymbol, extend, hasOwn, isObject, hasChanged, makeMap, capitalize, toRawType, def, isFunction, NOOP, isString, isPromise, toHandlerKey, toNumber, hyphenate, camelize, isOn, isModelListener, remove, isSet, isPlainObject, invokeArrayFns, isReservedProp, EMPTY_ARR, NO, getGlobalThis, normalizeClass, normalizeStyle, isGloballyWhitelisted, isSpecialBooleanAttr, looseIndexOf, looseEqual, isHTMLTag, isSVGTag } from '@vue/shared'; export { camelize, capitalize, toDisplayString, toHandlerKey } from '@vue/shared'; const targetMap = new WeakMap(); const effectStack = []; let activeEffect; const ITERATE_KEY = Symbol((process.env.NODE_ENV !== 'production') ? 'iterate' : ''); const MAP_KEY_ITERATE_KEY = Symbol((process.env.NODE_ENV !== 'production') ? 'Map key iterate' : ''); function isEffect(fn) { return fn && fn._isEffect === true; } function effect(fn, options = EMPTY_OBJ) { if (isEffect(fn)) { fn = fn.raw; } const effect = createReactiveEffect(fn, options); if (!options.lazy) { effect(); } return effect; } function stop(effect) { if (effect.active) { cleanup(effect); if (effect.options.onStop) { effect.options.onStop(); } effect.active = false; } } let uid = 0; function createReactiveEffect(fn, options) { const effect = function reactiveEffect() { if (!effect.active) { return fn(); } if (!effectStack.includes(effect)) { cleanup(effect); try { enableTracking(); effectStack.push(effect); activeEffect = effect; return fn(); } finally { effectStack.pop(); resetTracking(); activeEffect = effectStack[effectStack.length - 1]; } } }; effect.id = uid++; effect.allowRecurse = !!options.allowRecurse; effect._isEffect = true; effect.active = true; effect.raw = fn; effect.deps = []; effect.options = options; return effect; } function cleanup(effect) { const { deps } = effect; if (deps.length) { for (let i = 0; i < deps.length; i++) { deps[i].delete(effect); } deps.length = 0; } } let shouldTrack = true; const trackStack = []; function pauseTracking() { trackStack.push(shouldTrack); shouldTrack = false; } function enableTracking() { trackStack.push(shouldTrack); shouldTrack = true; } function resetTracking() { const last = trackStack.pop(); shouldTrack = last === undefined ? true : last; } function track(target, type, key) { if (!shouldTrack || activeEffect === undefined) { return; } let depsMap = targetMap.get(target); if (!depsMap) { targetMap.set(target, (depsMap = new Map())); } let dep = depsMap.get(key); if (!dep) { depsMap.set(key, (dep = new Set())); } if (!dep.has(activeEffect)) { dep.add(activeEffect); activeEffect.deps.push(dep); if ((process.env.NODE_ENV !== 'production') && activeEffect.options.onTrack) { activeEffect.options.onTrack({ effect: activeEffect, target, type, key }); } } } function trigger(target, type, key, newValue, oldValue, oldTarget) { const depsMap = targetMap.get(target); if (!depsMap) { // never been tracked return; } const effects = new Set(); const add = (effectsToAdd) => { if (effectsToAdd) { effectsToAdd.forEach(effect => { if (effect !== activeEffect || effect.allowRecurse) { effects.add(effect); } }); } }; if (type === "clear" /* CLEAR */) { // collection being cleared // trigger all effects for target depsMap.forEach(add); } else if (key === 'length' && isArray(target)) { depsMap.forEach((dep, key) => { if (key === 'length' || key >= newValue) { add(dep); } }); } else { // schedule runs for SET | ADD | DELETE if (key !== void 0) { add(depsMap.get(key)); } // also run for iteration key on ADD | DELETE | Map.SET switch (type) { case "add" /* ADD */: if (!isArray(target)) { add(depsMap.get(ITERATE_KEY)); if (isMap(target)) { add(depsMap.get(MAP_KEY_ITERATE_KEY)); } } else if (isIntegerKey(key)) { // new index added to array -> length changes add(depsMap.get('length')); } break; case "delete" /* DELETE */: if (!isArray(target)) { add(depsMap.get(ITERATE_KEY)); if (isMap(target)) { add(depsMap.get(MAP_KEY_ITERATE_KEY)); } } break; case "set" /* SET */: if (isMap(target)) { add(depsMap.get(ITERATE_KEY)); } break; } } const run = (effect) => { if ((process.env.NODE_ENV !== 'production') && effect.options.onTrigger) { effect.options.onTrigger({ effect, target, key, type, newValue, oldValue, oldTarget }); } if (effect.options.scheduler) { effect.options.scheduler(effect); } else { effect(); } }; effects.forEach(run); } const isNonTrackableKeys = /*#__PURE__*/ makeMap(`__proto__,__v_isRef,__isVue`); const builtInSymbols = new Set(Object.getOwnPropertyNames(Symbol) .map(key => Symbol[key]) .filter(isSymbol)); const get = /*#__PURE__*/ createGetter(); const shallowGet = /*#__PURE__*/ createGetter(false, true); const readonlyGet = /*#__PURE__*/ createGetter(true); const shallowReadonlyGet = /*#__PURE__*/ createGetter(true, true); const arrayInstrumentations = {}; ['includes', 'indexOf', 'lastIndexOf'].forEach(key => { const method = Array.prototype[key]; arrayInstrumentations[key] = function (...args) { const arr = toRaw(this); for (let i = 0, l = this.length; i < l; i++) { track(arr, "get" /* GET */, i + ''); } // we run the method using the original args first (which may be reactive) const res = method.apply(arr, args); if (res === -1 || res === false) { // if that didn't work, run it again using raw values. return method.apply(arr, args.map(toRaw)); } else { return res; } }; }); ['push', 'pop', 'shift', 'unshift', 'splice'].forEach(key => { const method = Array.prototype[key]; arrayInstrumentations[key] = function (...args) { pauseTracking(); const res = method.apply(this, args); resetTracking(); return res; }; }); function createGetter(isReadonly = false, shallow = false) { return function get(target, key, receiver) { if (key === "__v_isReactive" /* IS_REACTIVE */) { return !isReadonly; } else if (key === "__v_isReadonly" /* IS_READONLY */) { return isReadonly; } else if (key === "__v_raw" /* RAW */ && receiver === (isReadonly ? shallow ? shallowReadonlyMap : readonlyMap : shallow ? shallowReactiveMap : reactiveMap).get(target)) { return target; } const targetIsArray = isArray(target); if (!isReadonly && targetIsArray && hasOwn(arrayInstrumentations, key)) { return Reflect.get(arrayInstrumentations, key, receiver); } const res = Reflect.get(target, key, receiver); if (isSymbol(key) ? builtInSymbols.has(key) : isNonTrackableKeys(key)) { return res; } if (!isReadonly) { track(target, "get" /* GET */, key); } if (shallow) { return res; } if (isRef(res)) { // ref unwrapping - does not apply for Array + integer key. const shouldUnwrap = !targetIsArray || !isIntegerKey(key); return shouldUnwrap ? res.value : res; } if (isObject(res)) { // Convert returned value into a proxy as well. we do the isObject check // here to avoid invalid value warning. Also need to lazy access readonly // and reactive here to avoid circular dependency. return isReadonly ? readonly(res) : reactive(res); } return res; }; } const set = /*#__PURE__*/ createSetter(); const shallowSet = /*#__PURE__*/ createSetter(true); function createSetter(shallow = false) { return function set(target, key, value, receiver) { let oldValue = target[key]; if (!shallow) { value = toRaw(value); oldValue = toRaw(oldValue); if (!isArray(target) && isRef(oldValue) && !isRef(value)) { oldValue.value = value; return true; } } const hadKey = isArray(target) && isIntegerKey(key) ? Number(key) < target.length : hasOwn(target, key); const result = Reflect.set(target, key, value, receiver); // don't trigger if target is something up in the prototype chain of original if (target === toRaw(receiver)) { if (!hadKey) { trigger(target, "add" /* ADD */, key, value); } else if (hasChanged(value, oldValue)) { trigger(target, "set" /* SET */, key, value, oldValue); } } return result; }; } function deleteProperty(target, key) { const hadKey = hasOwn(target, key); const oldValue = target[key]; const result = Reflect.deleteProperty(target, key); if (result && hadKey) { trigger(target, "delete" /* DELETE */, key, undefined, oldValue); } return result; } function has(target, key) { const result = Reflect.has(target, key); if (!isSymbol(key) || !builtInSymbols.has(key)) { track(target, "has" /* HAS */, key); } return result; } function ownKeys(target) { track(target, "iterate" /* ITERATE */, isArray(target) ? 'length' : ITERATE_KEY); return Reflect.ownKeys(target); } const mutableHandlers = { get, set, deleteProperty, has, ownKeys }; const readonlyHandlers = { get: readonlyGet, set(target, key) { if ((process.env.NODE_ENV !== 'production')) { console.warn(`Set operation on key "${String(key)}" failed: target is readonly.`, target); } return true; }, deleteProperty(target, key) { if ((process.env.NODE_ENV !== 'production')) { console.warn(`Delete operation on key "${String(key)}" failed: target is readonly.`, target); } return true; } }; const shallowReactiveHandlers = extend({}, mutableHandlers, { get: shallowGet, set: shallowSet }); // Props handlers are special in the sense that it should not unwrap top-level // refs (in order to allow refs to be explicitly passed down), but should // retain the reactivity of the normal readonly object. const shallowReadonlyHandlers = extend({}, readonlyHandlers, { get: shallowReadonlyGet }); const toReactive = (value) => isObject(value) ? reactive(value) : value; const toReadonly = (value) => isObject(value) ? readonly(value) : value; const toShallow = (value) => value; const getProto = (v) => Reflect.getPrototypeOf(v); function get$1(target, key, isReadonly = false, isShallow = false) { // #1772: readonly(reactive(Map)) should return readonly + reactive version // of the value target = target["__v_raw" /* RAW */]; const rawTarget = toRaw(target); const rawKey = toRaw(key); if (key !== rawKey) { !isReadonly && track(rawTarget, "get" /* GET */, key); } !isReadonly && track(rawTarget, "get" /* GET */, rawKey); const { has } = getProto(rawTarget); const wrap = isShallow ? toShallow : isReadonly ? toReadonly : toReactive; if (has.call(rawTarget, key)) { return wrap(target.get(key)); } else if (has.call(rawTarget, rawKey)) { return wrap(target.get(rawKey)); } else if (target !== rawTarget) { // #3602 readonly(reactive(Map)) // ensure that the nested reactive `Map` can do tracking for itself target.get(key); } } function has$1(key, isReadonly = false) { const target = this["__v_raw" /* RAW */]; const rawTarget = toRaw(target); const rawKey = toRaw(key); if (key !== rawKey) { !isReadonly && track(rawTarget, "has" /* HAS */, key); } !isReadonly && track(rawTarget, "has" /* HAS */, rawKey); return key === rawKey ? target.has(key) : target.has(key) || target.has(rawKey); } function size(target, isReadonly = false) { target = target["__v_raw" /* RAW */]; !isReadonly && track(toRaw(target), "iterate" /* ITERATE */, ITERATE_KEY); return Reflect.get(target, 'size', target); } function add(value) { value = toRaw(value); const target = toRaw(this); const proto = getProto(target); const hadKey = proto.has.call(target, value); if (!hadKey) { target.add(value); trigger(target, "add" /* ADD */, value, value); } return this; } function set$1(key, value) { value = toRaw(value); const target = toRaw(this); const { has, get } = getProto(target); let hadKey = has.call(target, key); if (!hadKey) { key = toRaw(key); hadKey = has.call(target, key); } else if ((process.env.NODE_ENV !== 'production')) { checkIdentityKeys(target, has, key); } const oldValue = get.call(target, key); target.set(key, value); if (!hadKey) { trigger(target, "add" /* ADD */, key, value); } else if (hasChanged(value, oldValue)) { trigger(target, "set" /* SET */, key, value, oldValue); } return this; } function deleteEntry(key) { const target = toRaw(this); const { has, get } = getProto(target); let hadKey = has.call(target, key); if (!hadKey) { key = toRaw(key); hadKey = has.call(target, key); } else if ((process.env.NODE_ENV !== 'production')) { checkIdentityKeys(target, has, key); } const oldValue = get ? get.call(target, key) : undefined; // forward the operation before queueing reactions const result = target.delete(key); if (hadKey) { trigger(target, "delete" /* DELETE */, key, undefined, oldValue); } return result; } function clear() { const target = toRaw(this); const hadItems = target.size !== 0; const oldTarget = (process.env.NODE_ENV !== 'production') ? isMap(target) ? new Map(target) : new Set(target) : undefined; // forward the operation before queueing reactions const result = target.clear(); if (hadItems) { trigger(target, "clear" /* CLEAR */, undefined, undefined, oldTarget); } return result; } function createForEach(isReadonly, isShallow) { return function forEach(callback, thisArg) { const observed = this; const target = observed["__v_raw" /* RAW */]; const rawTarget = toRaw(target); const wrap = isShallow ? toShallow : isReadonly ? toReadonly : toReactive; !isReadonly && track(rawTarget, "iterate" /* ITERATE */, ITERATE_KEY); return target.forEach((value, key) => { // important: make sure the callback is // 1. invoked with the reactive map as `this` and 3rd arg // 2. the value received should be a corresponding reactive/readonly. return callback.call(thisArg, wrap(value), wrap(key), observed); }); }; } function createIterableMethod(method, isReadonly, isShallow) { return function (...args) { const target = this["__v_raw" /* RAW */]; const rawTarget = toRaw(target); const targetIsMap = isMap(rawTarget); const isPair = method === 'entries' || (method === Symbol.iterator && targetIsMap); const isKeyOnly = method === 'keys' && targetIsMap; const innerIterator = target[method](...args); const wrap = isShallow ? toShallow : isReadonly ? toReadonly : toReactive; !isReadonly && track(rawTarget, "iterate" /* ITERATE */, isKeyOnly ? MAP_KEY_ITERATE_KEY : ITERATE_KEY); // return a wrapped iterator which returns observed versions of the // values emitted from the real iterator return { // iterator protocol next() { const { value, done } = innerIterator.next(); return done ? { value, done } : { value: isPair ? [wrap(value[0]), wrap(value[1])] : wrap(value), done }; }, // iterable protocol [Symbol.iterator]() { return this; } }; }; } function createReadonlyMethod(type) { return function (...args) { if ((process.env.NODE_ENV !== 'production')) { const key = args[0] ? `on key "${args[0]}" ` : ``; console.warn(`${capitalize(type)} operation ${key}failed: target is readonly.`, toRaw(this)); } return type === "delete" /* DELETE */ ? false : this; }; } const mutableInstrumentations = { get(key) { return get$1(this, key); }, get size() { return size(this); }, has: has$1, add, set: set$1, delete: deleteEntry, clear, forEach: createForEach(false, false) }; const shallowInstrumentations = { get(key) { return get$1(this, key, false, true); }, get size() { return size(this); }, has: has$1, add, set: set$1, delete: deleteEntry, clear, forEach: createForEach(false, true) }; const readonlyInstrumentations = { get(key) { return get$1(this, key, true); }, get size() { return size(this, true); }, has(key) { return has$1.call(this, key, true); }, add: createReadonlyMethod("add" /* ADD */), set: createReadonlyMethod("set" /* SET */), delete: createReadonlyMethod("delete" /* DELETE */), clear: createReadonlyMethod("clear" /* CLEAR */), forEach: createForEach(true, false) }; const shallowReadonlyInstrumentations = { get(key) { return get$1(this, key, true, true); }, get size() { return size(this, true); }, has(key) { return has$1.call(this, key, true); }, add: createReadonlyMethod("add" /* ADD */), set: createReadonlyMethod("set" /* SET */), delete: createReadonlyMethod("delete" /* DELETE */), clear: createReadonlyMethod("clear" /* CLEAR */), forEach: createForEach(true, true) }; const iteratorMethods = ['keys', 'values', 'entries', Symbol.iterator]; iteratorMethods.forEach(method => { mutableInstrumentations[method] = createIterableMethod(method, false, false); readonlyInstrumentations[method] = createIterableMethod(method, true, false); shallowInstrumentations[method] = createIterableMethod(method, false, true); shallowReadonlyInstrumentations[method] = createIterableMethod(method, true, true); }); function createInstrumentationGetter(isReadonly, shallow) { const instrumentations = shallow ? isReadonly ? shallowReadonlyInstrumentations : shallowInstrumentations : isReadonly ? readonlyInstrumentations : mutableInstrumentations; return (target, key, receiver) => { if (key === "__v_isReactive" /* IS_REACTIVE */) { return !isReadonly; } else if (key === "__v_isReadonly" /* IS_READONLY */) { return isReadonly; } else if (key === "__v_raw" /* RAW */) { return target; } return Reflect.get(hasOwn(instrumentations, key) && key in target ? instrumentations : target, key, receiver); }; } const mutableCollectionHandlers = { get: createInstrumentationGetter(false, false) }; const shallowCollectionHandlers = { get: createInstrumentationGetter(false, true) }; const readonlyCollectionHandlers = { get: createInstrumentationGetter(true, false) }; const shallowReadonlyCollectionHandlers = { get: createInstrumentationGetter(true, true) }; function checkIdentityKeys(target, has, key) { const rawKey = toRaw(key); if (rawKey !== key && has.call(target, rawKey)) { const type = toRawType(target); console.warn(`Reactive ${type} contains both the raw and reactive ` + `versions of the same object${type === `Map` ? ` as keys` : ``}, ` + `which can lead to inconsistencies. ` + `Avoid differentiating between the raw and reactive versions ` + `of an object and only use the reactive version if possible.`); } } const reactiveMap = new WeakMap(); const shallowReactiveMap = new WeakMap(); const readonlyMap = new WeakMap(); const shallowReadonlyMap = new WeakMap(); function targetTypeMap(rawType) { switch (rawType) { case 'Object': case 'Array': return 1 /* COMMON */; case 'Map': case 'Set': case 'WeakMap': case 'WeakSet': return 2 /* COLLECTION */; default: return 0 /* INVALID */; } } function getTargetType(value) { return value["__v_skip" /* SKIP */] || !Object.isExtensible(value) ? 0 /* INVALID */ : targetTypeMap(toRawType(value)); } function reactive(target) { // if trying to observe a readonly proxy, return the readonly version. if (target && target["__v_isReadonly" /* IS_READONLY */]) { return target; } return createReactiveObject(target, false, mutableHandlers, mutableCollectionHandlers, reactiveMap); } /** * Return a shallowly-reactive copy of the original object, where only the root * level properties are reactive. It also does not auto-unwrap refs (even at the * root level). */ function shallowReactive(target) { return createReactiveObject(target, false, shallowReactiveHandlers, shallowCollectionHandlers, shallowReactiveMap); } /** * Creates a readonly copy of the original object. Note the returned copy is not * made reactive, but `readonly` can be called on an already reactive object. */ function readonly(target) { return createReactiveObject(target, true, readonlyHandlers, readonlyCollectionHandlers, readonlyMap); } /** * Returns a reactive-copy of the original object, where only the root level * properties are readonly, and does NOT unwrap refs nor recursively convert * returned properties. * This is used for creating the props proxy object for stateful components. */ function shallowReadonly(target) { return createReactiveObject(target, true, shallowReadonlyHandlers, shallowReadonlyCollectionHandlers, shallowReadonlyMap); } function createReactiveObject(target, isReadonly, baseHandlers, collectionHandlers, proxyMap) { if (!isObject(target)) { if ((process.env.NODE_ENV !== 'production')) { console.warn(`value cannot be made reactive: ${String(target)}`); } return target; } // target is already a Proxy, return it. // exception: calling readonly() on a reactive object if (target["__v_raw" /* RAW */] && !(isReadonly && target["__v_isReactive" /* IS_REACTIVE */])) { return target; } // target already has corresponding Proxy const existingProxy = proxyMap.get(target); if (existingProxy) { return existingProxy; } // only a whitelist of value types can be observed. const targetType = getTargetType(target); if (targetType === 0 /* INVALID */) { return target; } const proxy = new Proxy(target, targetType === 2 /* COLLECTION */ ? collectionHandlers : baseHandlers); proxyMap.set(target, proxy); return proxy; } function isReactive(value) { if (isReadonly(value)) { return isReactive(value["__v_raw" /* RAW */]); } return !!(value && value["__v_isReactive" /* IS_REACTIVE */]); } function isReadonly(value) { return !!(value && value["__v_isReadonly" /* IS_READONLY */]); } function isProxy(value) { return isReactive(value) || isReadonly(value); } function toRaw(observed) { return ((observed && toRaw(observed["__v_raw" /* RAW */])) || observed); } function markRaw(value) { def(value, "__v_skip" /* SKIP */, true); return value; } const convert = (val) => isObject(val) ? reactive(val) : val; function isRef(r) { return Boolean(r && r.__v_isRef === true); } function ref(value) { return createRef(value); } function shallowRef(value) { return createRef(value, true); } class RefImpl { constructor(_rawValue, _shallow) { this._rawValue = _rawValue; this._shallow = _shallow; this.__v_isRef = true; this._value = _shallow ? _rawValue : convert(_rawValue); } get value() { track(toRaw(this), "get" /* GET */, 'value'); return this._value; } set value(newVal) { if (hasChanged(toRaw(newVal), this._rawValue)) { this._rawValue = newVal; this._value = this._shallow ? newVal : convert(newVal); trigger(toRaw(this), "set" /* SET */, 'value', newVal); } } } function createRef(rawValue, shallow = false) { if (isRef(rawValue)) { return rawValue; } return new RefImpl(rawValue, shallow); } function triggerRef(ref) { trigger(toRaw(ref), "set" /* SET */, 'value', (process.env.NODE_ENV !== 'production') ? ref.value : void 0); } function unref(ref) { return isRef(ref) ? ref.value : ref; } const shallowUnwrapHandlers = { get: (target, key, receiver) => unref(Reflect.get(target, key, receiver)), set: (target, key, value, receiver) => { const oldValue = target[key]; if (isRef(oldValue) && !isRef(value)) { oldValue.value = value; return true; } else { return Reflect.set(target, key, value, receiver); } } }; function proxyRefs(objectWithRefs) { return isReactive(objectWithRefs) ? objectWithRefs : new Proxy(objectWithRefs, shallowUnwrapHandlers); } class CustomRefImpl { constructor(factory) { this.__v_isRef = true; const { get, set } = factory(() => track(this, "get" /* GET */, 'value'), () => trigger(this, "set" /* SET */, 'value')); this._get = get; this._set = set; } get value() { return this._get(); } set value(newVal) { this._set(newVal); } } function customRef(factory) { return new CustomRefImpl(factory); } function toRefs(object) { if ((process.env.NODE_ENV !== 'production') && !isProxy(object)) { console.warn(`toRefs() expects a reactive object but received a plain one.`); } const ret = isArray(object) ? new Array(object.length) : {}; for (const key in object) { ret[key] = toRef(object, key); } return ret; } class ObjectRefImpl { constructor(_object, _key) { this._object = _object; this._key = _key; this.__v_isRef = true; } get value() { return this._object[this._key]; } set value(newVal) { this._object[this._key] = newVal; } } function toRef(object, key) { return isRef(object[key]) ? object[key] : new ObjectRefImpl(object, key); } class ComputedRefImpl { constructor(getter, _setter, isReadonly) { this._setter = _setter; this._dirty = true; this.__v_isRef = true; this.effect = effect(getter, { lazy: true, scheduler: () => { if (!this._dirty) { this._dirty = true; trigger(toRaw(this), "set" /* SET */, 'value'); } } }); this["__v_isReadonly" /* IS_READONLY */] = isReadonly; } get value() { // the computed ref may get wrapped by other proxies e.g. readonly() #3376 const self = toRaw(this); if (self._dirty) { self._value = this.effect(); self._dirty = false; } track(self, "get" /* GET */, 'value'); return self._value; } set value(newValue) { this._setter(newValue); } } function computed(getterOrOptions) { let getter; let setter; if (isFunction(getterOrOptions)) { getter = getterOrOptions; setter = (process.env.NODE_ENV !== 'production') ? () => { console.warn('Write operation failed: computed value is readonly'); } : NOOP; } else { getter = getterOrOptions.get; setter = getterOrOptions.set; } return new ComputedRefImpl(getter, setter, isFunction(getterOrOptions) || !getterOrOptions.set); } const stack = []; function pushWarningContext(vnode) { stack.push(vnode); } function popWarningContext() { stack.pop(); } function warn(msg, ...args) { // avoid props formatting or warn handler tracking deps that might be mutated // during patch, leading to infinite recursion. pauseTracking(); const instance = stack.length ? stack[stack.length - 1].component : null; const appWarnHandler = instance && instance.appContext.config.warnHandler; const trace = getComponentTrace(); if (appWarnHandler) { callWithErrorHandling(appWarnHandler, instance, 11 /* APP_WARN_HANDLER */, [ msg + args.join(''), instance && instance.proxy, trace .map(({ vnode }) => `at <${formatComponentName(instance, vnode.type)}>`) .join('\n'), trace ]); } else { const warnArgs = [`[Vue warn]: ${msg}`, ...args]; /* istanbul ignore if */ if (trace.length && // avoid spamming console during tests !false) { warnArgs.push(`\n`, ...formatTrace(trace)); } console.warn(...warnArgs); } resetTracking(); } function getComponentTrace() { let currentVNode = stack[stack.length - 1]; if (!currentVNode) { return []; } // we can't just use the stack because it will be incomplete during updates // that did not start from the root. Re-construct the parent chain using // instance parent pointers. const normalizedStack = []; while (currentVNode) { const last = normalizedStack[0]; if (last && last.vnode === currentVNode) { last.recurseCount++; } else { normalizedStack.push({ vnode: currentVNode, recurseCount: 0 }); } const parentInstance = currentVNode.component && currentVNode.component.parent; currentVNode = parentInstance && parentInstance.vnode; } return normalizedStack; } /* istanbul ignore next */ function formatTrace(trace) { const logs = []; trace.forEach((entry, i) => { logs.push(...(i === 0 ? [] : [`\n`]), ...formatTraceEntry(entry)); }); return logs; } function formatTraceEntry({ vnode, recurseCount }) { const postfix = recurseCount > 0 ? `... (${recurseCount} recursive calls)` : ``; const isRoot = vnode.component ? vnode.component.parent == null : false; const open = ` at <${formatComponentName(vnode.component, vnode.type, isRoot)}`; const close = `>` + postfix; return vnode.props ? [open, ...formatProps(vnode.props), close] : [open + close]; } /* istanbul ignore next */ function formatProps(props) { const res = []; const keys = Object.keys(props); keys.slice(0, 3).forEach(key => { res.push(...formatProp(key, props[key])); }); if (keys.length > 3) { res.push(` ...`); } return res; } /* istanbul ignore next */ function formatProp(key, value, raw) { if (isString(value)) { value = JSON.stringify(value); return raw ? value : [`${key}=${value}`]; } else if (typeof value === 'number' || typeof value === 'boolean' || value == null) { return raw ? value : [`${key}=${value}`]; } else if (isRef(value)) { value = formatProp(key, toRaw(value.value), true); return raw ? value : [`${key}=Ref<`, value, `>`]; } else if (isFunction(value)) { return [`${key}=fn${value.name ? `<${value.name}>` : ``}`]; } else { value = toRaw(value); return raw ? value : [`${key}=`, value]; } } const ErrorTypeStrings = { ["bc" /* BEFORE_CREATE */]: 'beforeCreate hook', ["c" /* CREATED */]: 'created hook', ["bm" /* BEFORE_MOUNT */]: 'beforeMount hook', ["m" /* MOUNTED */]: 'mounted hook', ["bu" /* BEFORE_UPDATE */]: 'beforeUpdate hook', ["u" /* UPDATED */]: 'updated', ["bum" /* BEFORE_UNMOUNT */]: 'beforeUnmount hook', ["um" /* UNMOUNTED */]: 'unmounted hook', ["a" /* ACTIVATED */]: 'activated hook', ["da" /* DEACTIVATED */]: 'deactivated hook', ["ec" /* ERROR_CAPTURED */]: 'errorCaptured hook', ["rtc" /* RENDER_TRACKED */]: 'renderTracked hook', ["rtg" /* RENDER_TRIGGERED */]: 'renderTriggered hook', [0 /* SETUP_FUNCTION */]: 'setup function', [1 /* RENDER_FUNCTION */]: 'render function', [2 /* WATCH_GETTER */]: 'watcher getter', [3 /* WATCH_CALLBACK */]: 'watcher callback', [4 /* WATCH_CLEANUP */]: 'watcher cleanup function', [5 /* NATIVE_EVENT_HANDLER */]: 'native event handler', [6 /* COMPONENT_EVENT_HANDLER */]: 'component event handler', [7 /* VNODE_HOOK */]: 'vnode hook', [8 /* DIRECTIVE_HOOK */]: 'directive hook', [9 /* TRANSITION_HOOK */]: 'transition hook', [10 /* APP_ERROR_HANDLER */]: 'app errorHandler', [11 /* APP_WARN_HANDLER */]: 'app warnHandler', [12 /* FUNCTION_REF */]: 'ref function', [13 /* ASYNC_COMPONENT_LOADER */]: 'async component loader', [14 /* SCHEDULER */]: 'scheduler flush. This is likely a Vue internals bug. ' + 'Please open an issue at https://new-issue.vuejs.org/?repo=vuejs/vue-next' }; function callWithErrorHandling(fn, instance, type, args) { let res; try { res = args ? fn(...args) : fn(); } catch (err) { handleError(err, instance, type); } return res; } function callWithAsyncErrorHandling(fn, instance, type, args) { if (isFunction(fn)) { const res = callWithErrorHandling(fn, instance, type, args); if (res && isPromise(res)) { res.catch(err => { handleError(err, instance, type); }); } return res; } const values = []; for (let i = 0; i < fn.length; i++) { values.push(callWithAsyncErrorHandling(fn[i], instance, type, args)); } return values; } function handleError(err, instance, type, throwInDev = true) { const contextVNode = instance ? instance.vnode : null; if (instance) { let cur = instance.parent; // the exposed instance is the render proxy to keep it consistent with 2.x const exposedInstance = instance.proxy; // in production the hook receives only the error code const errorInfo = (process.env.NODE_ENV !== 'production') ? ErrorTypeStrings[type] : type; while (cur) { const errorCapturedHooks = cur.ec; if (errorCapturedHooks) { for (let i = 0; i < errorCapturedHooks.length; i++) { if (errorCapturedHooks[i](err, exposedInstance, errorInfo) === false) { return; } } } cur = cur.parent; } // app-level handling const appErrorHandler = instance.appContext.config.errorHandler; if (appErrorHandler) { callWithErrorHandling(appErrorHandler, null, 10 /* APP_ERROR_HANDLER */, [err, exposedInstance, errorInfo]); return; } } logError(err, type, contextVNode, throwInDev); } function logError(err, type, contextVNode, throwInDev = true) { if ((process.env.NODE_ENV !== 'production')) { const info = ErrorTypeStrings[type]; if (contextVNode) { pushWarningContext(contextVNode); } warn(`Unhandled error${info ? ` during execution of ${info}` : ``}`); if (contextVNode) { popWarningContext(); } // crash in dev by default so it's more noticeable if (throwInDev) { throw err; } else { console.error(err); } } else { // recover in prod to reduce the impact on end-user console.error(err); } } let isFlushing = false; let isFlushPending = false; const queue = []; let flushIndex = 0; const pendingPreFlushCbs = []; let activePreFlushCbs = null; let preFlushIndex = 0; const pendingPostFlushCbs = []; let activePostFlushCbs = null; let postFlushIndex = 0; const resolvedPromise = Promise.resolve(); let currentFlushPromise = null; let currentPreFlushParentJob = null; const RECURSION_LIMIT = 100; function nextTick(fn) { const 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(job) { // the start index should be `flushIndex + 1` let start = flushIndex + 1; let end = queue.length; const jobId = getId(job); while (start < end) { const middle = (start + end) >>> 1; const middleJobId = getId(queue[middle]); middleJobId < jobId ? (start = middle + 1) : (end = middle); } return start; } 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) { const pos = findInsertionIndex(job); if (pos > -1) { queue.splice(pos, 0, job); } else { queue.push(job); } queueFlush(); } } function queueFlush() { if (!isFlushing && !isFlushPending) { isFlushPending = true; currentFlushPromise = resolvedPromise.then(flushJobs); } } function invalidateJob(job) { const i = queue.indexOf(job); if (i > flushIndex) { queue.splice(i, 1); } } function queueCb(cb, activeQueue, pendingQueue, index) { if (!isArray(cb)) { if (!activeQueue || !activeQueue.includes(cb, cb.allowRecurse ? index + 1 : index)) { pendingQueue.push(cb); } } 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); } queueFlush(); } function queuePreFlushCb(cb) { queueCb(cb, activePreFlushCbs, pendingPreFlushCbs, preFlushIndex); } function queuePostFlushCb(cb) { queueCb(cb, activePostFlushCbs, pendingPostFlushCbs, postFlushIndex); } function flushPreFlushCbs(seen, parentJob = null) { if (pendingPreFlushCbs.length) { currentPreFlushParentJob = parentJob; activePreFlushCbs = [...new Set(pendingPreFlushCbs)]; pendingPreFlushCbs.length = 0; if ((process.env.NODE_ENV !== 'production')) { seen = seen || new Map(); } for (preFlushIndex = 0; preFlushIndex < activePreFlushCbs.length; preFlushIndex++) { if ((process.env.NODE_ENV !== 'production') && checkRecursiveUpdates(seen, activePreFlushCbs[preFlushIndex])) { continue; } activePreFlushCbs[preFlushIndex](); } activePreFlushCbs = null; preFlushIndex = 0; currentPreFlushParentJob = null; // recursively flush until it drains flushPreFlushCbs(seen, parentJob); } } function flushPostFlushCbs(seen) { if (pendingPostFlushCbs.length) { const deduped = [...new Set(pendingPostFlushCbs)]; pendingPostFlushCbs.length = 0; // #1947 already has active queue, nested flushPostFlushCbs call if (activePostFlushCbs) { activePostFlushCbs.push(...deduped); return; } activePostFlushCbs = deduped; if ((process.env.NODE_ENV !== 'production')) { seen = seen || new Map(); } activePostFlushCbs.sort((a, b) => getId(a) - getId(b)); for (postFlushIndex = 0; postFlushIndex < activePostFlushCbs.length; postFlushIndex++) { if ((process.env.NODE_ENV !== 'production') && checkRecursiveUpdates(seen, activePostFlushCbs[postFlushIndex])) { continue; } activePostFlushCbs[postFlushIndex](); } activePostFlushCbs = null; postFlushIndex = 0; } } const getId = (job) => job.id == null ? Infinity : job.id; function flushJobs(seen) { isFlushPending = false; isFlushing = true; if ((process.env.NODE_ENV !== 'production')) { seen = seen || new Map(); } 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. queue.sort((a, b) => getId(a) - getId(b)); try { for (flushIndex = 0; flushIndex < queue.length; flushIndex++) { const job = queue[flushIndex]; if (job && job.active !== false) { if ((process.env.NODE_ENV !== 'production') && checkRecursiveUpdates(seen, job)) { continue; } callWithErrorHandling(job, null, 14 /* SCHEDULER */); } } } finally { flushIndex = 0; queue.length = 0; flushPostFlushCbs(seen); isFlushing = false; currentFlushPromise = null; // some postFlushCb queued jobs! // keep flushing until it drains. if (queue.length || pendingPreFlushCbs.length || pendingPostFlushCbs.length) { flushJobs(seen); } } } function checkRecursiveUpdates(seen, fn) { if (!seen.has(fn)) { seen.set(fn, 1); } else { const count = seen.get(fn); if (count > RECURSION_LIMIT) { const instance = fn.ownerInstance; const componentName = instance && getComponentName(instance.type); warn(`Maximum recursive updates exceeded${componentName ? ` in component <${componentName}>` : ``}. ` + `This means you have a reactive effect that is mutating its own ` + `dependencies and thus recursively triggering itself. Possible sources ` + `include component template, render function, updated hook or ` + `watcher source function.`); return true; } else { seen.set(fn, count + 1); } } } /* eslint-disable no-restricted-globals */ let isHmrUpdating = false; const hmrDirtyComponents = new Set(); // Expose the HMR runtime on the global object // This makes it entirely tree-shakable without polluting the exports and makes // it easier to be used in toolings like vue-loader // Note: for a component to be eligible for HMR it also needs the __hmrId option // to be set so that its instances can be registered / removed. if ((process.env.NODE_ENV !== 'production')) { const globalObject = typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : typeof window !== 'undefined' ? window : {}; globalObject.__VUE_HMR_RUNTIME__ = { createRecord: tryWrap(createRecord), rerender: tryWrap(rerender), reload: tryWrap(reload) }; } const map = new Map(); function registerHMR(instance) { const id = instance.type.__hmrId; let record = map.get(id); if (!record) { createRecord(id, instance.type); record = map.get(id); } record.instances.add(instance); } function unregisterHMR(instance) { map.get(instance.type.__hmrId).instances.delete(instance); } function createRecord(id, component) { if (!component) { warn(`HMR API usage is out of date.\n` + `Please upgrade vue-loader/vite/rollup-plugin-vue or other relevant ` + `dependency that handles Vue SFC compilation.`); component = {}; } if (map.has(id)) { return false; } map.set(id, { component: isClassComponent(component) ? component.__vccOpts : component, instances: new Set() }); return true; } function rerender(id, newRender) { const record = map.get(id); if (!record) return; if (newRender) record.component.render = newRender; // Array.from creates a snapshot which avoids the set being mutated during // updates Array.from(record.instances).forEach(instance => { if (newRender) { instance.render = newRender; } instance.renderCache = []; // this flag forces child components with slot content to update isHmrUpdating = true; instance.update(); isHmrUpdating = false; }); } function reload(id, newComp) { const record = map.get(id); if (!record) return; // Array.from creates a snapshot which avoids the set being mutated during // updates const { component, instances } = record; if (!hmrDirtyComponents.has(component)) { // 1. Update existing comp definition to match new one newComp = isClassComponent(newComp) ? newComp.__vccOpts : newComp; extend(component, newComp); for (const key in component) { if (key !== '__file' && !(key in newComp)) { delete component[key]; } } // 2. Mark component dirty. This forces the renderer to replace the component // on patch. hmrDirtyComponents.add(component); // 3. Make sure to unmark the component after the reload. queuePostFlushCb(() => { hmrDirtyComponents.delete(component); }); } Array.from(instances).forEach(instance => { if (instance.parent) { // 4. Force the parent instance to re-render. This will cause all updated // components to be unmounted and re-mounted. Queue the update so that we // don't end up forcing the same parent to re-render multiple times. queueJob(instance.parent.update); } else if (instance.appContext.reload) { // root instance mounted via createApp() has a reload method instance.appContext.reload(); } else if (typeof window !== 'undefined') { // root instance inside tree created via raw render(). Force reload. window.location.reload(); } else { console.warn('[HMR] Root or manually mounted instance modified. Full reload required.'); } }); } function tryWrap(fn) { return (id, arg) => { try { return fn(id, arg); } catch (e) { console.error(e); console.warn(`[HMR] Something went wrong during Vue component hot-reload. ` + `Full reload required.`); } }; } let devtools; function setDevtoolsHook(hook) { devtools = hook; } function devtoolsInitApp(app, version) { // TODO queue if devtools is undefined if (!devtools) return; devtools.emit("app:init" /* APP_INIT */, app, version, { Fragment, Text, Comment: Comment$1, Static }); } function devtoolsUnmountApp(app) { if (!devtools) return; devtools.emit("app:unmount" /* APP_UNMOUNT */, app); } const devtoolsComponentAdded = /*#__PURE__*/ createDevtoolsComponentHook("component:added" /* COMPONENT_ADDED */); const devtoolsComponentUpdated = /*#__PURE__*/ createDevtoolsComponentHook("component:updated" /* COMPONENT_UPDATED */); const devtoolsComponentRemoved = /*#__PURE__*/ createDevtoolsComponentHook("component:removed" /* COMPONENT_REMOVED */); function createDevtoolsComponentHook(hook) { return (component) => { if (!devtools) return; devtools.emit(hook, component.appContext.app, component.uid, component.parent ? component.parent.uid : undefined, component); }; } const devtoolsPerfStart = /*#__PURE__*/ createDevtoolsPerformanceHook("perf:start" /* PERFORMANCE_START */); const devtoolsPerfEnd = /*#__PURE__*/ createDevtoolsPerformanceHook("perf:end" /* PERFORMANCE_END */); function createDevtoolsPerformanceHook(hook) { return (component, type, time) => { if (!devtools) return; devtools.emit(hook, component.appContext.app, component.uid, component, type, time); }; } function devtoolsComponentEmit(component, event, params) { if (!devtools) return; devtools.emit("component:emit" /* COMPONENT_EMIT */, component.appContext.app, component, event, params); } const deprecationData = { ["GLOBAL_MOUNT" /* GLOBAL_MOUNT */]: { message: `The global app bootstrapping API has changed: vm.$mount() and the "el" ` + `option have been removed. Use createApp(RootComponent).mount() instead.`, link: `https://v3.vuejs.org/guide/migration/global-api.html#mounting-app-instance` }, ["GLOBAL_MOUNT_CONTAINER" /* GLOBAL_MOUNT_CONTAINER */]: { message: `Vue detected directives on the mount container. ` + `In Vue 3, the container is no longer considered part of the template ` + `and will not be processed/replaced.`, link: `https://v3.vuejs.org/guide/migration/mount-changes.html` }, ["GLOBAL_EXTEND" /* GLOBAL_EXTEND */]: { message: `Vue.extend() has been removed in Vue 3. ` + `Use defineComponent() instead.`, link: `https://v3.vuejs.org/api/global-api.html#definecomponent` }, ["GLOBAL_PROTOTYPE" /* GLOBAL_PROTOTYPE */]: { message: `Vue.prototype is no longer available in Vue 3. ` + `Use app.config.globalProperties instead.`, link: `https://v3.vuejs.org/guide/migration/global-api.html#vue-prototype-replaced-by-config-globalproperties` }, ["GLOBAL_SET" /* GLOBAL_SET */]: { message: `Vue.set() has been removed as it is no longer needed in Vue 3. ` + `Simply use native JavaScript mutations.` }, ["GLOBAL_DELETE" /* GLOBAL_DELETE */]: { message: `Vue.delete() has been removed as it is no longer needed in Vue 3. ` + `Simply use native JavaScript mutations.` }, ["GLOBAL_OBSERVABLE" /* GLOBAL_OBSERVABLE */]: { message: `Vue.observable() has been removed. ` + `Use \`import { reactive } from "vue"\` from Composition API instead.`, link: `https://v3.vuejs.org/api/basic-reactivity.html` }, ["GLOBAL_PRIVATE_UTIL" /* GLOBAL_PRIVATE_UTIL */]: { message: `Vue.util has been removed. Please refactor to avoid its usage ` + `since it was an internal API even in Vue 2.` }, ["CONFIG_SILENT" /* CONFIG_SILENT */]: { message: `config.silent has been removed because it is not good practice to ` + `intentionally suppress warnings. You can use your browser console's ` + `filter features to focus on relevant messages.` }, ["CONFIG_DEVTOOLS" /* CONFIG_DEVTOOLS */]: { message: `config.devtools has been removed. To enable devtools for ` + `production, configure the __VUE_PROD_DEVTOOLS__ compile-time flag.`, link: `https://github.com/vuejs/vue-next/tree/master/packages/vue#bundler-build-feature-flags` }, ["CONFIG_KEY_CODES" /* CONFIG_KEY_CODES */]: { message: `config.keyCodes has been removed. ` + `In Vue 3, you can directly use the kebab-case key names as v-on modifiers.`, link: `https://v3.vuejs.org/guide/migration/keycode-modifiers.html` }, ["CONFIG_PRODUCTION_TIP" /* CONFIG_PRODUCTION_TIP */]: { message: `config.productionTip has been removed.`, link: `https://v3.vuejs.org/guide/migration/global-api.html#config-productiontip-removed` }, ["CONFIG_IGNORED_ELEMENTS" /* CONFIG_IGNORED_ELEMENTS */]: { message: () => { let msg = `config.ignoredElements has been removed.`; if (isRuntimeOnly()) { msg += ` Pass the "isCustomElement" option to @vue/compiler-dom instead.`; } else { msg += ` Use config.isCustomElement instead.`; } return msg; }, link: `https://v3.vuejs.org/guide/migration/global-api.html#config-ignoredelements-is-now-config-iscustomelement` }, ["CONFIG_WHITESPACE" /* CONFIG_WHITESPACE */]: { // this warning is only relevant in the full build when using runtime // compilation, so it's put in the runtime compatConfig list. message: `Vue 3 compiler's whitespace option will default to "condense" instead of ` + `"preserve". To suppress this warning, provide an explicit value for ` + `\`config.compilerOptions.whitespace\`.` }, ["CONFIG_OPTION_MERGE_STRATS" /* CONFIG_OPTION_MERGE_STRATS */]: { message: `config.optionMergeStrategies no longer exposes internal strategies. ` + `Use custom merge functions instead.` }, ["INSTANCE_SET" /* INSTANCE_SET */]: { message: `vm.$set() has been removed as it is no longer needed in Vue 3. ` + `Simply use native JavaScript mutations.` }, ["INSTANCE_DELETE" /* INSTANCE_DELETE */]: { message: `vm.$delete() has been removed as it is no longer needed in Vue 3. ` + `Simply use native JavaScript mutations.` }, ["INSTANCE_DESTROY" /* INSTANCE_DESTROY */]: { message: `vm.$destroy() has been removed. Use app.unmount() instead.`, link: `https://v3.vuejs.org/api/application-api.html#unmount` }, ["INSTANCE_EVENT_EMITTER" /* INSTANCE_EVENT_EMITTER */]: { message: `vm.$on/$once/$off() have been removed. ` + `Use an external event emitter library instead.`, link: `https://v3.vuejs.org/guide/migration/events-api.html` }, ["INSTANCE_EVENT_HOOKS" /* INSTANCE_EVENT_HOOKS */]: { message: event => `"${event}" lifecycle events are no longer supported. From templates, ` + `use the "vnode" prefix instead of "hook:". For example, @${event} ` + `should be changed to @vnode-${event.slice(5)}. ` + `From JavaScript, use Composition API to dynamically register lifecycle ` + `hooks.`, link: `https://v3.vuejs.org/guide/migration/vnode-lifecycle-events.html` }, ["INSTANCE_CHILDREN" /* INSTANCE_CHILDREN */]: { message: `vm.$children has been removed. Consider refactoring your logic ` + `to avoid relying on direct access to child components.`, link: `https://v3.vuejs.org/guide/migration/children.html` }, ["INSTANCE_LISTENERS" /* INSTANCE_LISTENERS */]: { message: `vm.$listeners has been removed. In Vue 3, parent v-on listeners are ` + `included in vm.$attrs and it is no longer necessary to separately use ` + `v-on="$listeners" if you are already using v-bind="$attrs". ` + `(Note: the Vue 3 behavior only applies if this compat config is disabled)`, link: `https://v3.vuejs.org/guide/migration/listeners-removed.html` }, ["INSTANCE_SCOPED_SLOTS" /* INSTANCE_SCOPED_SLOTS */]: { message: `vm.$scopedSlots has been removed. Use vm.$slots instead.`, link: `https://v3.vuejs.org/guide/migration/slots-unification.html` }, ["INSTANCE_ATTRS_CLASS_STYLE" /* INSTANCE_ATTRS_CLASS_STYLE */]: { message: componentName => `Component <${componentName || 'Anonymous'}> has \`inheritAttrs: false\` but is ` + `relying on class/style fallthrough from parent. In Vue 3, class/style ` + `are now included in $attrs and will no longer fallthrough when ` + `inheritAttrs is false. If you are already using v-bind="$attrs" on ` + `component root it should render the same end result. ` + `If you are binding $attrs to a non-root element and expecting ` + `class/style to fallthrough on root, you will need to now manually bind ` + `them on root via :class="$attrs.class".`, link: `https://v3.vuejs.org/guide/migration/attrs-includes-class-style.html` }, ["OPTIONS_DATA_FN" /* OPTIONS_DATA_FN */]: { message: `The "data" option can no longer be a plain object. ` + `Always use a function.`, link: `https://v3.vuejs.org/guide/migration/data-option.html` }, ["OPTIONS_DATA_MERGE" /* OPTIONS_DATA_MERGE */]: { message: (key) => `Detected conflicting key "${key}" when merging data option values. ` + `In Vue 3, data keys are merged shallowly and will override one another.`, link: `https://v3.vuejs.org/guide/migration/data-option.html#mixin-merge-behavior-change` }, ["OPTIONS_BEFORE_DESTROY" /* OPTIONS_BEFORE_DESTROY */]: { message: `\`beforeDestroy\` has been renamed to \`beforeUnmount\`.` }, ["OPTIONS_DESTROYED" /* OPTIONS_DESTROYED */]: { message: `\`destroyed\` has been renamed to \`unmounted\`.` }, ["WATCH_ARRAY" /* WATCH_ARRAY */]: { message: `"watch" option or vm.$watch on an array value will no longer ` + `trigger on array mutation unless the "deep" option is specified. ` + `If current usage is intended, you can disable the compat behavior and ` + `suppress this warning with:` + `\n\n configureCompat({ ${"WATCH_ARRAY" /* WATCH_ARRAY */}: false })\n`, link: `https://v3.vuejs.org/guide/migration/watch.html` }, ["PROPS_DEFAULT_THIS" /* PROPS_DEFAULT_THIS */]: { message: (key) => `props default value function no longer has access to "this". The compat ` + `build only offers access to this.$options.` + `(found in prop "${key}")`, link: `https://v3.vuejs.org/guide/migration/props-default-this.html` }, ["CUSTOM_DIR" /* CUSTOM_DIR */]: { message: (legacyHook, newHook) => `Custom directive hook "${legacyHook}" has been removed. ` + `Use "${newHook}" instead.`, link: `https://v3.vuejs.org/guide/migration/custom-directives.html` }, ["V_FOR_REF" /* V_FOR_REF */]: { message: `Ref usage on v-for no longer creates array ref values in Vue 3. ` + `Consider using function refs or refactor to avoid ref usage altogether.`, link: `https://v3.vuejs.org/guide/migration/array-refs.html` }, ["V_ON_KEYCODE_MODIFIER" /* V_ON_KEYCODE_MODIFIER */]: { message: `Using keyCode as v-on modifier is no longer supported. ` + `Use kebab-case key name modifiers instead.`, link: `https://v3.vuejs.org/guide/migration/keycode-modifiers.html` }, ["ATTR_FALSE_VALUE" /* ATTR_FALSE_VALUE */]: { message: (name) => `Attribute "${name}" with v-bind value \`false\` will render ` + `${name}="false" instead of removing it in Vue 3. To remove the attribute, ` + `use \`null\` or \`undefined\` instead. If the usage is intended, ` + `you can disable the compat behavior and suppress this warning with:` + `\n\n configureCompat({ ${"ATTR_FALSE_VALUE" /* ATTR_FALSE_VALUE */}: false })\n`, link: `https://v3.vuejs.org/guide/migration/attribute-coercion.html` }, ["ATTR_ENUMERATED_COERCION" /* ATTR_ENUMERATED_COERCION */]: { message: (name, value, coerced) => `Enumerated attribute "${name}" with v-bind value \`${value}\` will ` + `${value === null ? `be removed` : `render the value as-is`} instead of coercing the value to "${coerced}" in Vue 3. ` + `Always use explicit "true" or "false" values for enumerated attributes. ` + `If the usage is intended, ` + `you can disable the compat behavior and suppress this warning with:` + `\n\n configureCompat({ ${"ATTR_ENUMERATED_COERCION" /* ATTR_ENUMERATED_COERCION */}: false })\n`, link: `https://v3.vuejs.org/guide/migration/attribute-coercion.html` }, ["TRANSITION_CLASSES" /* TRANSITION_CLASSES */]: { message: `` // this feature cannot be runtime-detected }, ["TRANSITION_GROUP_ROOT" /* TRANSITION_GROUP_ROOT */]: { message: ` no longer renders a root element by ` + `default if no "tag" prop is specified. If you do not rely on the span ` + `for styling, you can disable the compat behavior and suppress this ` + `warning with:` + `\n\n configureCompat({ ${"TRANSITION_GROUP_ROOT" /* TRANSITION_GROUP_ROOT */}: false })\n`, link: `https://v3.vuejs.org/guide/migration/transition-group.html` }, ["COMPONENT_ASYNC" /* COMPONENT_ASYNC */]: { message: (comp) => { const name = getComponentName(comp); return (`Async component${name ? ` <${name}>` : `s`} should be explicitly created via \`defineAsyncComponent()\` ` + `in Vue 3. Plain functions will be treated as functional components in ` + `non-compat build. If you have already migrated all async component ` + `usage and intend to use plain functions for functional components, ` + `you can disable the compat behavior and suppress this ` + `warning with:` + `\n\n configureCompat({ ${"COMPONENT_ASYNC" /* COMPONENT_ASYNC */}: false })\n`); }, link: `https://v3.vuejs.org/guide/migration/async-components.html` }, ["COMPONENT_FUNCTIONAL" /* COMPONENT_FUNCTIONAL */]: { message: (comp) => { const name = getComponentName(comp); return (`Functional component${name ? ` <${name}>` : `s`} should be defined as a plain function in Vue 3. The "functional" ` + `option has been removed. NOTE: Before migrating to use plain ` + `functions for functional components, first make sure that all async ` + `components usage have been migrated and its compat behavior has ` + `been disabled.`); }, link: `https://v3.vuejs.org/guide/migration/functional-components.html` }, ["COMPONENT_V_MODEL" /* COMPONENT_V_MODEL */]: { message: (comp) => { const configMsg = `opt-in to ` + `Vue 3 behavior on a per-component basis with \`compatConfig: { ${"COMPONENT_V_MODEL" /* COMPONENT_V_MODEL */}: false }\`.`; if (comp.props && isArray(comp.props) ? comp.props.includes('modelValue') : hasOwn(comp.props, 'modelValue')) { return (`Component delcares "modelValue" prop, which is Vue 3 usage, but ` + `is running under Vue 2 compat v-model behavior. You can ${configMsg}`); } return (`v-model usage on component has changed in Vue 3. Component that expects ` + `to work with v-model should now use the "modelValue" prop and emit the ` + `"update:modelValue" event. You can update the usage and then ${configMsg}`); }, link: `https://v3.vuejs.org/guide/migration/v-model.html` }, ["RENDER_FUNCTION" /* RENDER_FUNCTION */]: { message: `Vue 3's render function API has changed. ` + `You can opt-in to the new API with:` + `\n\n configureCompat({ ${"RENDER_FUNCTION" /* RENDER_FUNCTION */}: false })\n` + `\n (This can also be done per-component via the "compatConfig" option.)`, link: `https://v3.vuejs.org/guide/migration/render-function-api.html` }, ["FILTERS" /* FILTERS */]: { message: `filters have been removed in Vue 3. ` + `The "|" symbol will be treated as native JavaScript bitwise OR operator. ` + `Use method calls or computed properties instead.`, link: `https://v3.vuejs.org/guide/migration/filters.html` }, ["PRIVATE_APIS" /* PRIVATE_APIS */]: { message: name => `"${name}" is a Vue 2 private API that no longer exists in Vue 3. ` + `If you are seeing this warning only due to a dependency, you can ` + `suppress this warning via { PRIVATE_APIS: 'supress-warning' }.` } }; const instanceWarned = Object.create(null); const warnCount = Object.create(null); function warnDeprecation(key, instance, ...args) { if (!(process.env.NODE_ENV !== 'production')) { return; } instance = instance || getCurrentInstance(); // check user config const config = getCompatConfigForKey(key, instance); if (config === 'suppress-warning') { return; } const dupKey = key + args.join(''); let compId = instance && formatComponentName(instance, instance.type); if (compId === 'Anonymous' && instance) { compId = instance.uid; } // skip if the same warning is emitted for the same component type const componentDupKey = dupKey + compId; if (componentDupKey in instanceWarned) { return; } instanceWarned[componentDupKey] = true; // same warning, but different component. skip the long message and just // log the key and count. if (dupKey in warnCount) { warn(`(deprecation ${key}) (${++warnCount[dupKey] + 1})`); return; } warnCount[dupKey] = 0; const { message, link } = deprecationData[key]; warn(`(deprecation ${key}) ${typeof message === 'function' ? message(...args) : message}${link ? `\n Details: ${link}` : ``}`); if (!isCompatEnabled(key, instance, true)) { console.error(`^ The above deprecation's compat behavior is disabled and will likely ` + `lead to runtime errors.`); } } const globalCompatConfig = { MODE: 2 }; function getCompatConfigForKey(key, instance) { const instanceConfig = instance && instance.type.compatConfig; if (instanceConfig && key in instanceConfig) { return instanceConfig[key]; } return globalCompatConfig[key]; } function isCompatEnabled(key, instance, enableForBuiltIn = false) { // skip compat for built-in components if (!enableForBuiltIn && instance && instance.type.__isBuiltIn) { return false; } const rawMode = getCompatConfigForKey('MODE', instance) || 2; const val = getCompatConfigForKey(key, instance); const mode = isFunction(rawMode) ? rawMode(instance && instance.type) : rawMode; if (mode === 2) { return val !== false; } else { return val === true || val === 'suppress-warning'; } } function emit(instance, event, ...rawArgs) { const props = instance.vnode.props || EMPTY_OBJ; if ((process.env.NODE_ENV !== 'production')) { const { emitsOptions, propsOptions: [propsOptions] } = instance; if (emitsOptions) { if (!(event in emitsOptions) && !(false )) { if (!propsOptions || !(toHandlerKey(event) in propsOptions)) { warn(`Component emitted event "${event}" but it is neither declared in ` + `the emits option nor as an "${toHandlerKey(event)}" prop.`); } } else { const validator = emitsOptions[event]; if (isFunction(validator)) { const isValid = validator(...rawArgs); if (!isValid) { warn(`Invalid event arguments: event validation failed for event "${event}".`); } } } } } let args = rawArgs; const isModelListener = event.startsWith('update:'); // for v-model update:xxx events, apply modifiers on args const modelArg = isModelListener && event.slice(7); if (modelArg && modelArg in props) { const modifiersKey = `${modelArg === 'modelValue' ? 'model' : modelArg}Modifiers`; const { number, trim } = props[modifiersKey] || EMPTY_OBJ; if (trim) { args = rawArgs.map(a => a.trim()); } else if (number) { args = rawArgs.map(toNumber); } } if ((process.env.NODE_ENV !== 'production') || __VUE_PROD_DEVTOOLS__) { devtoolsComponentEmit(instance, event, args); } if ((process.env.NODE_ENV !== 'production')) { const lowerCaseEvent = event.toLowerCase(); if (lowerCaseEvent !== event && props[toHandlerKey(lowerCaseEvent)]) { warn(`Event "${lowerCaseEvent}" is emitted in component ` + `${formatComponentName(instance, instance.type)} but the handler is registered for "${event}". ` + `Note that HTML attributes are case-insensitive and you cannot use ` + `v-on to listen to camelCase events when using in-DOM templates. ` + `You should probably use "${hyphenate(event)}" instead of "${event}".`); } } let handlerName; let 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 if (!handler && isModelListener) { handler = props[(handlerName = toHandlerKey(hyphenate(event)))]; } if (handler) { callWithAsyncErrorHandling(handler, instance, 6 /* COMPONENT_EVENT_HANDLER */, args); } const onceHandler = props[handlerName + `Once`]; if (onceHandler) { if (!instance.emitted) { instance.emitted = {}; } else if (instance.emitted[handlerName]) { return; } instance.emitted[handlerName] = true; callWithAsyncErrorHandling(onceHandler, instance, 6 /* COMPONENT_EVENT_HANDLER */, args); } } function normalizeEmitsOptions(comp, appContext, asMixin = false) { const cache = appContext.emitsCache; const cached = cache.get(comp); if (cached !== undefined) { return cached; } const raw = comp.emits; let normalized = {}; // apply mixin/extends props let hasExtends = false; if (__VUE_OPTIONS_API__ && !isFunction(comp)) { const extendEmits = (raw) => { const normalizedFromExtend = normalizeEmitsOptions(raw, appContext, true); if (normalizedFromExtend) { hasExtends = true; extend(normalized, normalizedFromExtend); } }; if (!asMixin && appContext.mixins.length) { appContext.mixins.forEach(extendEmits); } if (comp.extends) { extendEmits(comp.extends); } if (comp.mixins) { comp.mixins.forEach(extendEmits); } } if (!raw && !hasExtends) { cache.set(comp, null); return null; } if (isArray(raw)) { raw.forEach(key => (normalized[key] = null)); } else { extend(normalized, raw); } 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. function isEmitListener(options, key) { if (!options || !isOn(key)) { return false; } 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 */ let currentRenderingInstance = null; let 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) { const prev = currentRenderingInstance; currentRenderingInstance = instance; currentScopeId = (instance && instance.type.__scopeId) || null; return prev; } /** * Set scope id when creating hoisted vnodes. * @private compiler helper */ 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 */ function popScopeId() { currentScopeId = null; } /** * Only for backwards compat * @private */ const withScopeId = (_id) => withCtx; /** * Wrap a slot function to memoize current rendering instance * @private compiler helper */ function withCtx(fn, ctx = currentRenderingInstance, isNonScopedSlot // false only ) { if (!ctx) return fn; // already normalized if (fn._n) { return fn; } const renderFnWithContext = (...args) => { // 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 ``, so we flip the // ._d flag off when invoking the wrapped fn inside `renderSlot`. if (renderFnWithContext._d) { setBlockTracking(-1); } const prevInstance = setCurrentRenderingInstance(ctx); const res = fn(...args); setCurrentRenderingInstance(prevInstance); if (renderFnWithContext._d) { setBlockTracking(1); } if ((process.env.NODE_ENV !== 'production') || __VUE_PROD_DEVTOOLS__) { devtoolsComponentUpdated(ctx); } return res; }; // mark normalized to avoid duplicated wrapping renderFnWithContext._n = true; // mark this as compiled by default // this is used in vnode.ts -> normalizeChildren() to set the slot // rendering flag. renderFnWithContext._c = true; // disable block tracking by default renderFnWithContext._d = true; return renderFnWithContext; } /** * dev only flag to track whether $attrs was used during render. * If $attrs was used during render then the warning for failed attrs * fallthrough can be suppressed. */ let accessedAttrs = false; function markAttrsAccessed() { accessedAttrs = true; } function renderComponentRoot(instance) { const { type: Component, vnode, proxy, withProxy, props, propsOptions: [propsOptions], slots, attrs, emit, render, renderCache, data, setupState, ctx, inheritAttrs } = instance; let result; const prev = setCurrentRenderingInstance(instance); if ((process.env.NODE_ENV !== 'production')) { accessedAttrs = false; } try { let fallthroughAttrs; if (vnode.shapeFlag & 4 /* STATEFUL_COMPONENT */) { // withProxy is a proxy with a different `has` trap only for // runtime-compiled render functions using `with` block. const proxyToUse = withProxy || proxy; result = normalizeVNode(render.call(proxyToUse, proxyToUse, renderCache, props, setupState, data, ctx)); fallthroughAttrs = attrs; } else { // functional const render = Component; // in dev, mark attrs accessed if optional props (attrs === props) if ((process.env.NODE_ENV !== 'production') && attrs === props) { markAttrsAccessed(); } result = normalizeVNode(render.length > 1 ? render(props, (process.env.NODE_ENV !== 'production') ? { get attrs() { markAttrsAccessed(); return attrs; }, slots, emit } : { attrs, slots, emit }) : render(props, null /* we know it doesn't need it */)); fallthroughAttrs = Component.props ? attrs : getFunctionalFallthrough(attrs); } // 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 let root = result; let setRoot = undefined; if ((process.env.NODE_ENV !== 'production') && result.patchFlag > 0 && result.patchFlag & 2048 /* DEV_ROOT_FRAGMENT */) { ; [root, setRoot] = getChildRoot(result); } if (fallthroughAttrs && inheritAttrs !== false) { const keys = Object.keys(fallthroughAttrs); const { shapeFlag } = root; if (keys.length) { if (shapeFlag & 1 /* ELEMENT */ || shapeFlag & 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); } root = cloneVNode(root, fallthroughAttrs); } else if ((process.env.NODE_ENV !== 'production') && !accessedAttrs && root.type !== Comment$1) { const allAttrs = Object.keys(attrs); const eventAttrs = []; const extraAttrs = []; for (let i = 0, l = allAttrs.length; i < l; i++) { const key = allAttrs[i]; if (isOn(key)) { // ignore v-model handlers when they fail to fallthrough if (!isModelListener(key)) { // remove `on`, lowercase first letter to reflect event casing // accurately eventAttrs.push(key[2].toLowerCase() + key.slice(3)); } } else { extraAttrs.push(key); } } if (extraAttrs.length) { warn(`Extraneous non-props attributes (` + `${extraAttrs.join(', ')}) ` + `were passed to component but could not be automatically inherited ` + `because component renders fragment or text root nodes.`); } if (eventAttrs.length) { warn(`Extraneous non-emits event listeners (` + `${eventAttrs.join(', ')}) ` + `were passed to component but could not be automatically inherited ` + `because component renders fragment or text root nodes. ` + `If the listener is intended to be a component custom event listener only, ` + `declare it using the "emits" option.`); } } } } if (false && isCompatEnabled("INSTANCE_ATTRS_CLASS_STYLE" /* INSTANCE_ATTRS_CLASS_STYLE */, instance) && vnode.shapeFlag & 4 /* STATEFUL_COMPONENT */ && (root.shapeFlag & 1 /* ELEMENT */ || root.shapeFlag & 6 /* COMPONENT */)) ; // inherit directives if (vnode.dirs) { if ((process.env.NODE_ENV !== 'production') && !isElementRoot(root)) { warn(`Runtime directive used on component with non-element root node. ` + `The directives will not function as intended.`); } root.dirs = root.dirs ? root.dirs.concat(vnode.dirs) : vnode.dirs; } // inherit transition data if (vnode.transition) { if ((process.env.NODE_ENV !== 'production') && !isElementRoot(root)) { warn(`Component inside renders non-element root node ` + `that cannot be animated.`); } root.transition = vnode.transition; } if ((process.env.NODE_ENV !== 'production') && setRoot) { setRoot(root); } else { result = root; } } catch (err) { blockStack.length = 0; handleError(err, instance, 1 /* RENDER_FUNCTION */); result = createVNode(Comment$1); } setCurrentRenderingInstance(prev); return result; } /** * dev only * In dev mode, template root level comments are rendered, which turns the * template into a fragment root, but we need to locate the single element * root for attrs and scope id processing. */ const getChildRoot = (vnode) => { const rawChildren = vnode.children; const dynamicChildren = vnode.dynamicChildren; const childRoot = filterSingleRoot(rawChildren); if (!childRoot) { return [vnode, undefined]; } const index = rawChildren.indexOf(childRoot); const dynamicIndex = dynamicChildren ? dynamicChildren.indexOf(childRoot) : -1; const setRoot = (updatedRoot) => { rawChildren[index] = updatedRoot; if (dynamicChildren) { if (dynamicIndex > -1) { dynamicChildren[dynamicIndex] = updatedRoot; } else if (updatedRoot.patchFlag > 0) { vnode.dynamicChildren = [...dynamicChildren, updatedRoot]; } } }; return [normalizeVNode(childRoot), setRoot]; }; function filterSingleRoot(children) { let singleRoot; for (let i = 0; i < children.length; i++) { const child = children[i]; if (isVNode(child)) { // ignore user comment if (child.type !== Comment$1 || child.children === 'v-if') { if (singleRoot) { // has more than 1 non-comment child, return now return; } else { singleRoot = child; } } } else { return; } } return singleRoot; } const getFunctionalFallthrough = (attrs) => { let res; for (const key in attrs) { if (key === 'class' || key === 'style' || isOn(key)) { (res || (res = {}))[key] = attrs[key]; } } return res; }; const filterModelListeners = (attrs, props) => { const res = {}; for (const key in attrs) { if (!isModelListener(key) || !(key.slice(9) in props)) { res[key] = attrs[key]; } } return res; }; const isElementRoot = (vnode) => { return (vnode.shapeFlag & 6 /* COMPONENT */ || vnode.shapeFlag & 1 /* ELEMENT */ || vnode.type === Comment$1 // potential v-if branch switch ); }; function shouldUpdateComponent(prevVNode, nextVNode, optimized) { const { props: prevProps, children: prevChildren, component } = prevVNode; const { props: nextProps, children: nextChildren, patchFlag } = nextVNode; const emits = component.emitsOptions; // Parent component's render function was hot-updated. Since this may have // caused the child component's slots content to have changed, we need to // force the child to update as well. if ((process.env.NODE_ENV !== 'production') && (prevChildren || nextChildren) && isHmrUpdating) { return true; } // force child update for runtime directive or transition on component vnode. if (nextVNode.dirs || nextVNode.transition) { return true; } if (optimized && patchFlag >= 0) { if (patchFlag & 1024 /* DYNAMIC_SLOTS */) { // slot content that references values that might have changed, // e.g. in a v-for return true; } if (patchFlag & 16 /* FULL_PROPS */) { if (!prevProps) { return !!nextProps; } // presence of this flag indicates props are always non-null return hasPropsChanged(prevProps, nextProps, emits); } else if (patchFlag & 8 /* PROPS */) { const dynamicProps = nextVNode.dynamicProps; for (let i = 0; i < dynamicProps.length; i++) { const key = dynamicProps[i]; if (nextProps[key] !== prevProps[key] && !isEmitListener(emits, key)) { return true; } } } } else { // this path is only taken by manually written render functions // so presence of any children leads to a forced update if (prevChildren || nextChildren) { if (!nextChildren || !nextChildren.$stable) { return true; } } if (prevProps === nextProps) { return false; } if (!prevProps) { return !!nextProps; } if (!nextProps) { return true; } return hasPropsChanged(prevProps, nextProps, emits); } return false; } function hasPropsChanged(prevProps, nextProps, emitsOptions) { const nextKeys = Object.keys(nextProps); if (nextKeys.length !== Object.keys(prevProps).length) { return true; } for (let i = 0; i < nextKeys.length; i++) { const key = nextKeys[i]; if (nextProps[key] !== prevProps[key] && !isEmitListener(emitsOptions, key)) { return true; } } return false; } function updateHOCHostEl({ vnode, parent }, el // HostNode ) { while (parent && parent.subTree === vnode) { (vnode = parent.vnode).el = el; parent = parent.parent; } } const 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. const 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, 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); } }, hydrate: hydrateSuspense, create: createSuspenseBoundary, normalize: normalizeSuspenseChildren }; // Force-casted public typing for h and TSX props inference const Suspense = (SuspenseImpl ); function mountSuspense(vnode, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized, rendererInternals) { const { p: patch, o: { createElement } } = rendererInternals; const hiddenContainer = createElement('div'); const 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 // 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(); } } function patchSuspense(n1, n2, container, anchor, parentComponent, isSVG, slotScopeIds, optimized, { p: patch, um: unmount, o: { createElement } }) { const suspense = (n2.suspense = n1.suspense); suspense.vnode = n2; n2.el = n1.el; const newBranch = n2.ssContent; const newFallback = n2.ssFallback; const { 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 suspense.deps = 0; // discard effects from pending branch suspense.effects.length = 0; // discard previous container suspense.hiddenContainer = createElement('div'); if (isInFallback) { // already in fallback state patch(null, newBranch, suspense.hiddenContainer, null, parentComponent, suspense, isSVG, slotScopeIds, optimized); 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); } } 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); } else { // switched to a 3rd branch patch(null, newBranch, suspense.hiddenContainer, null, parentComponent, suspense, isSVG, slotScopeIds, optimized); 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 const onPending = n2.props && n2.props.onPending; if (isFunction(onPending)) { onPending(); } // mount pending branch in off-dom container 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 { const { timeout, pendingId } = suspense; if (timeout > 0) { setTimeout(() => { if (suspense.pendingId === pendingId) { suspense.fallback(newFallback); } }, timeout); } else if (timeout === 0) { suspense.fallback(newFallback); } } } } } let hasWarned = false; function createSuspenseBoundary(vnode, parent, parentComponent, container, hiddenContainer, anchor, isSVG, slotScopeIds, optimized, rendererInternals, isHydrating = false) { /* istanbul ignore if */ if ((process.env.NODE_ENV !== 'production') && !false && !hasWarned) { hasWarned = true; // @ts-ignore `console.info` cannot be null error console[console.info ? 'info' : 'log'](` is an experimental feature and its API will likely change.`); } const { p: patch, m: move, um: unmount, n: next, o: { parentNode, remove } } = rendererInternals; const timeout = toNumber(vnode.props && vnode.props.timeout); const 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(resume = false) { if ((process.env.NODE_ENV !== 'production')) { if (!resume && !suspense.pendingBranch) { throw new Error(`suspense.resolve() is called without a pending branch.`); } if (suspense.isUnmounted) { throw new Error(`suspense.resolve() is called on an already unmounted suspense boundary.`); } } const { vnode, activeBranch, pendingBranch, pendingId, effects, parentComponent, container } = suspense; if (suspense.isHydrating) { suspense.isHydrating = false; } else if (!resume) { const delayEnter = activeBranch && pendingBranch.transition && pendingBranch.transition.mode === 'out-in'; if (delayEnter) { activeBranch.transition.afterLeave = () => { if (pendingId === suspense.pendingId) { move(pendingBranch, container, anchor, 0 /* ENTER */); } }; } // this is initial anchor on mount let { anchor } = suspense; // unmount current active tree 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); } if (!delayEnter) { // move content from off-dom container to actual container move(pendingBranch, container, anchor, 0 /* ENTER */); } } setActiveBranch(suspense, pendingBranch); suspense.pendingBranch = null; suspense.isInFallback = false; // flush buffered effects // check if there is a pending parent suspense let parent = suspense.parent; let hasUnresolvedAncestor = false; while (parent) { if (parent.pendingBranch) { // found a pending parent suspense, merge buffered post jobs // into that parent parent.effects.push(...effects); hasUnresolvedAncestor = true; break; } parent = parent.parent; } // no pending parent suspense, flush all jobs if (!hasUnresolvedAncestor) { queuePostFlushCb(effects); } suspense.effects = []; // invoke @resolve event const onResolve = vnode.props && vnode.props.onResolve; if (isFunction(onResolve)) { onResolve(); } }, fallback(fallbackVNode) { if (!suspense.pendingBranch) { return; } const { vnode, activeBranch, parentComponent, container, isSVG } = suspense; // invoke @fallback event const onFallback = vnode.props && vnode.props.onFallback; if (isFunction(onFallback)) { onFallback(); } const anchor = next(activeBranch); const mountFallback = () => { if (!suspense.isInFallback) { return; } // mount the fallback tree patch(null, fallbackVNode, container, anchor, parentComponent, null, // fallback tree will not have suspense context isSVG, slotScopeIds, optimized); setActiveBranch(suspense, fallbackVNode); }; const delayEnter = fallbackVNode.transition && fallbackVNode.transition.mode === 'out-in'; if (delayEnter) { activeBranch.transition.afterLeave = mountFallback; } // unmount current active branch unmount(activeBranch, parentComponent, null, // no suspense so unmount hooks fire now true // shouldRemove ); suspense.isInFallback = true; if (!delayEnter) { mountFallback(); } }, move(container, anchor, type) { suspense.activeBranch && move(suspense.activeBranch, container, anchor, type); suspense.container = container; }, next() { return suspense.activeBranch && next(suspense.activeBranch); }, registerDep(instance, setupRenderEffect) { const isInPendingSuspense = !!suspense.pendingBranch; if (isInPendingSuspense) { suspense.deps++; } const 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 instance.asyncResolved = true; const { vnode } = instance; if ((process.env.NODE_ENV !== 'production')) { pushWarningContext(vnode); } handleSetupResult(instance, asyncSetupResult, false); if (hydratedEl) { // vnode may have been replaced if an update happened before the // async dep is resolved. vnode.el = hydratedEl; } const 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); if (placeholder) { remove(placeholder); } updateHOCHostEl(instance, vnode.el); if ((process.env.NODE_ENV !== 'production')) { popWarningContext(); } // only decrease deps count if suspense is not already resolved if (isInPendingSuspense && --suspense.deps === 0) { suspense.resolve(); } }); }, unmount(parentSuspense, doRemove) { suspense.isUnmounted = true; if (suspense.activeBranch) { unmount(suspense.activeBranch, parentComponent, parentSuspense, doRemove); } if (suspense.pendingBranch) { unmount(suspense.pendingBranch, parentComponent, parentSuspense, doRemove); } } }; return suspense; } function hydrateSuspense(node, vnode, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized, rendererInternals, hydrateNode) { /* eslint-disable no-restricted-globals */ const 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 const result = hydrateNode(node, (suspense.pendingBranch = vnode.ssContent), parentComponent, suspense, slotScopeIds, optimized); if (suspense.deps === 0) { suspense.resolve(); } return result; /* eslint-enable no-restricted-globals */ } function normalizeSuspenseChildren(vnode) { const { shapeFlag, children } = vnode; const isSlotChildren = shapeFlag & 32 /* SLOTS_CHILDREN */; vnode.ssContent = normalizeSuspenseSlot(isSlotChildren ? children.default : children); vnode.ssFallback = isSlotChildren ? normalizeSuspenseSlot(children.fallback) : createVNode(Comment); } function normalizeSuspenseSlot(s) { let block; if (isFunction(s)) { const isCompiledSlot = s._c; if (isCompiledSlot) { // disableTracking: false // allow block tracking for compiled slots // (see ./componentRenderContext.ts) s._d = false; openBlock(); } s = s(); if (isCompiledSlot) { s._d = true; block = currentBlock; closeBlock(); } } if (isArray(s)) { const singleChild = filterSingleRoot(s); if ((process.env.NODE_ENV !== 'production') && !singleChild) { warn(` slots expect a single root node.`); } s = singleChild; } s = normalizeVNode(s); if (block) { s.dynamicChildren = block.filter(c => c !== s); } return s; } function queueEffectWithSuspense(fn, suspense) { if (suspense && suspense.pendingBranch) { if (isArray(fn)) { suspense.effects.push(...fn); } else { suspense.effects.push(fn); } } else { queuePostFlushCb(fn); } } function setActiveBranch(suspense, branch) { suspense.activeBranch = branch; const { vnode, parentComponent } = suspense; const 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); } } function provide(key, value) { if (!currentInstance) { if ((process.env.NODE_ENV !== 'production')) { warn(`provide() can only be used inside setup().`); } } else { let 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. const parentProvides = currentInstance.parent && currentInstance.parent.provides; if (parentProvides === provides) { provides = currentInstance.provides = Object.create(parentProvides); } // TS doesn't allow symbol as index type provides[key] = value; } } function inject(key, defaultValue, treatDefaultAsFactory = false) { // fallback to `currentRenderingInstance` so that this can be called in // a functional component const instance = currentInstance || currentRenderingInstance; if (instance) { // #2400 // to support `app.use` plugins, // fallback to appContext's `provides` if the intance is at root const 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 if ((process.env.NODE_ENV !== 'production')) { warn(`injection "${String(key)}" not found.`); } } else if ((process.env.NODE_ENV !== 'production')) { warn(`inject() can only be used inside setup() or functional components.`); } } // Simple effect. function watchEffect(effect, options) { return doWatch(effect, null, options); } // initial value for watchers to trigger on undefined initial values const INITIAL_WATCHER_VALUE = {}; // implementation function watch(source, cb, options) { if ((process.env.NODE_ENV !== 'production') && !isFunction(cb)) { warn(`\`watch(fn, options?)\` signature has been moved to a separate API. ` + `Use \`watchEffect(fn, options?)\` instead. \`watch\` now only ` + `supports \`watch(source, cb, options?) signature.`); } return doWatch(source, cb, options); } function doWatch(source, cb, { immediate, deep, flush, onTrack, onTrigger } = EMPTY_OBJ, instance = currentInstance) { if ((process.env.NODE_ENV !== 'production') && !cb) { if (immediate !== undefined) { warn(`watch() "immediate" option is only respected when using the ` + `watch(source, callback, options?) signature.`); } if (deep !== undefined) { warn(`watch() "deep" option is only respected when using the ` + `watch(source, callback, options?) signature.`); } } const warnInvalidSource = (s) => { warn(`Invalid watch source: `, s, `A watch source can only be a getter/effect function, a ref, ` + `a reactive object, or an array of these types.`); }; let getter; let forceTrigger = false; let isMultiSource = false; if (isRef(source)) { getter = () => source.value; forceTrigger = !!source._shallow; } 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 { (process.env.NODE_ENV !== 'production') && warnInvalidSource(s); } }); } 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) { return; } if (cleanup) { cleanup(); } return callWithAsyncErrorHandling(source, instance, 3 /* WATCH_CALLBACK */, [onInvalidate]); }; } } else { getter = NOOP; (process.env.NODE_ENV !== 'production') && warnInvalidSource(source); } if (cb && deep) { const baseGetter = getter; getter = () => traverse(baseGetter()); } let cleanup; let onInvalidate = (fn) => { cleanup = runner.options.onStop = () => { callWithErrorHandling(fn, instance, 4 /* WATCH_CLEANUP */); }; }; let oldValue = isMultiSource ? [] : INITIAL_WATCHER_VALUE; const job = () => { if (!runner.active) { return; } if (cb) { // watch(source, cb) const newValue = runner(); if (deep || forceTrigger || (isMultiSource ? newValue.some((v, i) => hasChanged(v, oldValue[i])) : hasChanged(newValue, oldValue)) || (false )) { // cleanup before running cb again if (cleanup) { cleanup(); } 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, onInvalidate ]); oldValue = newValue; } } else { // watchEffect runner(); } }; // important: mark the job as a watcher callback so that scheduler knows // it is allowed to self-trigger (#1727) job.allowRecurse = !!cb; let scheduler; 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(); } }; } const runner = effect(getter, { lazy: true, onTrack, onTrigger, scheduler }); recordInstanceBoundEffect(runner, instance); // initial run if (cb) { if (immediate) { job(); } else { oldValue = runner(); } } else if (flush === 'post') { queuePostRenderEffect(runner, instance && instance.suspense); } else { runner(); } return () => { stop(runner); if (instance) { remove(instance.effects, runner); } }; } // this.$watch function instanceWatch(source, value, options) { const publicThis = this.proxy; const getter = isString(source) ? source.includes('.') ? createPathGetter(publicThis, source) : () => publicThis[source] : source.bind(publicThis, publicThis); let cb; if (isFunction(value)) { cb = value; } else { cb = value.handler; options = value; } return doWatch(getter, cb.bind(publicThis), options, this); } function createPathGetter(ctx, path) { const segments = path.split('.'); return () => { let cur = ctx; for (let i = 0; i < segments.length && cur; i++) { cur = cur[segments[i]]; } return cur; }; } function traverse(value, seen = new Set()) { if (!isObject(value) || seen.has(value) || value["__v_skip" /* SKIP */]) { return value; } seen.add(value); if (isRef(value)) { traverse(value.value, seen); } else if (isArray(value)) { for (let 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 (const key in value) { traverse(value[key], seen); } } return value; } function useTransitionState() { const state = { isMounted: false, isLeaving: false, isUnmounting: false, leavingVNodes: new Map() }; onMounted(() => { state.isMounted = true; }); onBeforeUnmount(() => { state.isUnmounting = true; }); return state; } const TransitionHookValidator = [Function, Array]; const 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, { slots }) { const instance = getCurrentInstance(); const state = useTransitionState(); let prevTransitionKey; return () => { const children = slots.default && getTransitionRawChildren(slots.default(), true); if (!children || !children.length) { return; } // warn multiple elements if ((process.env.NODE_ENV !== 'production') && children.length > 1) { warn(' can only be used on a single element or component. Use ' + ' for lists.'); } // there's no need to track reactivity for these props so use the raw // props for a bit better perf const rawProps = toRaw(props); const { mode } = rawProps; // check mode if ((process.env.NODE_ENV !== 'production') && mode && !['in-out', 'out-in', 'default'].includes(mode)) { warn(`invalid mode: ${mode}`); } // at this point children has a guaranteed length of 1. const child = children[0]; if (state.isLeaving) { return emptyPlaceholder(child); } // in the case of , we need to // compare the type of the kept-alive children. const innerChild = getKeepAliveChild(child); if (!innerChild) { return emptyPlaceholder(child); } const enterHooks = resolveTransitionHooks(innerChild, rawProps, state, instance); setTransitionHooks(innerChild, enterHooks); const oldChild = instance.subTree; const oldInnerChild = oldChild && getKeepAliveChild(oldChild); let transitionKeyChanged = false; const { getTransitionKey } = innerChild.type; if (getTransitionKey) { const key = getTransitionKey(); if (prevTransitionKey === undefined) { prevTransitionKey = key; } else if (key !== prevTransitionKey) { prevTransitionKey = key; transitionKeyChanged = true; } } // handle mode if (oldInnerChild && oldInnerChild.type !== Comment$1 && (!isSameVNodeType(innerChild, oldInnerChild) || transitionKeyChanged)) { const leavingHooks = resolveTransitionHooks(oldInnerChild, rawProps, state, instance); // update old tree's hooks in case of dynamic transition setTransitionHooks(oldInnerChild, leavingHooks); // switching between different views if (mode === 'out-in') { state.isLeaving = true; // return placeholder node and queue update when leave finishes leavingHooks.afterLeave = () => { state.isLeaving = false; instance.update(); }; return emptyPlaceholder(child); } else if (mode === 'in-out' && innerChild.type !== Comment$1) { leavingHooks.delayLeave = (el, earlyRemove, delayedLeave) => { const leavingVNodesCache = getLeavingNodesForType(state, oldInnerChild); leavingVNodesCache[String(oldInnerChild.key)] = oldInnerChild; // early removal callback el._leaveCb = () => { earlyRemove(); el._leaveCb = undefined; delete enterHooks.delayedLeave; }; enterHooks.delayedLeave = delayedLeave; }; } } return child; }; } }; // export the public type for h/tsx inference // also to avoid inline import() in generated d.ts files const BaseTransition = BaseTransitionImpl; function getLeavingNodesForType(state, vnode) { const { leavingVNodes } = state; let 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) { const { appear, mode, persisted = false, onBeforeEnter, onEnter, onAfterEnter, onEnterCancelled, onBeforeLeave, onLeave, onAfterLeave, onLeaveCancelled, onBeforeAppear, onAppear, onAfterAppear, onAppearCancelled } = props; const key = String(vnode.key); const leavingVNodesCache = getLeavingNodesForType(state, vnode); const callHook = (hook, args) => { hook && callWithAsyncErrorHandling(hook, instance, 9 /* TRANSITION_HOOK */, args); }; const hooks = { mode, persisted, beforeEnter(el) { let hook = onBeforeEnter; if (!state.isMounted) { if (appear) { hook = onBeforeAppear || onBeforeEnter; } else { return; } } // for same element (v-show) if (el._leaveCb) { el._leaveCb(true /* cancelled */); } // for toggled element with same key (v-if) const leavingVNode = leavingVNodesCache[key]; if (leavingVNode && isSameVNodeType(vnode, leavingVNode) && leavingVNode.el._leaveCb) { // force early removal (not cancelled) leavingVNode.el._leaveCb(); } callHook(hook, [el]); }, enter(el) { let hook = onEnter; let afterHook = onAfterEnter; let cancelHook = onEnterCancelled; if (!state.isMounted) { if (appear) { hook = onAppear || onEnter; afterHook = onAfterAppear || onAfterEnter; cancelHook = onAppearCancelled || onEnterCancelled; } else { return; } } let called = false; const done = (el._enterCb = (cancelled) => { if (called) return; called = true; if (cancelled) { callHook(cancelHook, [el]); } else { callHook(afterHook, [el]); } if (hooks.delayedLeave) { hooks.delayedLeave(); } el._enterCb = undefined; }); if (hook) { hook(el, done); if (hook.length <= 1) { done(); } } else { done(); } }, leave(el, remove) { const key = String(vnode.key); if (el._enterCb) { el._enterCb(true /* cancelled */); } if (state.isUnmounting) { return remove(); } callHook(onBeforeLeave, [el]); let called = false; const done = (el._leaveCb = (cancelled) => { if (called) return; called = true; remove(); if (cancelled) { callHook(onLeaveCancelled, [el]); } else { callHook(onAfterLeave, [el]); } el._leaveCb = undefined; if (leavingVNodesCache[key] === vnode) { delete leavingVNodesCache[key]; } }); leavingVNodesCache[key] = vnode; if (onLeave) { onLeave(el, done); if (onLeave.length <= 1) { done(); } } else { done(); } }, clone(vnode) { return resolveTransitionHooks(vnode, props, state, instance); } }; 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. function emptyPlaceholder(vnode) { if (isKeepAlive(vnode)) { vnode = cloneVNode(vnode); vnode.children = null; return vnode; } } 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; } } function getTransitionRawChildren(children, keepComment = false) { let ret = []; let keyedFragmentCount = 0; for (let i = 0; i < children.length; i++) { const child = children[i]; // handle fragment children case, e.g. v-for 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$1) { ret.push(child); } } // #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. if (keyedFragmentCount > 1) { for (let i = 0; i < ret.length; i++) { ret[i].patchFlag = -2 /* BAIL */; } } return ret; } // implementation, close to no-op function defineComponent(options) { return isFunction(options) ? { setup: options, name: options.name } : options; } const isAsyncWrapper = (i) => !!i.type.__asyncLoader; function defineAsyncComponent(source) { if (isFunction(source)) { source = { loader: source }; } const { loader, loadingComponent, errorComponent, delay = 200, timeout, // undefined = never times out suspensible = true, onError: userOnError } = source; let pendingRequest = null; let resolvedComp; let retries = 0; const retry = () => { retries++; pendingRequest = null; return load(); }; const load = () => { let thisRequest; return (pendingRequest || (thisRequest = pendingRequest = loader() .catch(err => { err = err instanceof Error ? err : new Error(String(err)); if (userOnError) { return new Promise((resolve, reject) => { const userRetry = () => resolve(retry()); const userFail = () => reject(err); userOnError(err, userRetry, userFail, retries + 1); }); } else { throw err; } }) .then((comp) => { if (thisRequest !== pendingRequest && pendingRequest) { return pendingRequest; } if ((process.env.NODE_ENV !== 'production') && !comp) { warn(`Async component loader resolved to undefined. ` + `If you are using retry(), make sure to return its return value.`); } // interop module default if (comp && (comp.__esModule || comp[Symbol.toStringTag] === 'Module')) { comp = comp.default; } if ((process.env.NODE_ENV !== 'production') && comp && !isObject(comp) && !isFunction(comp)) { throw new Error(`Invalid async component load result: ${comp}`); } resolvedComp = comp; return comp; }))); }; return defineComponent({ name: 'AsyncComponentWrapper', __asyncLoader: load, get __asyncResolved() { return resolvedComp; }, setup() { const instance = currentInstance; // already resolved if (resolvedComp) { return () => createInnerComp(resolvedComp, instance); } const 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. if ((suspensible && instance.suspense) || (false )) { return load() .then(comp => { return () => createInnerComp(comp, instance); }) .catch(err => { onError(err); return () => errorComponent ? createVNode(errorComponent, { error: err }) : null; }); } const loaded = ref(false); const error = ref(); const delayed = ref(!!delay); if (delay) { setTimeout(() => { delayed.value = false; }, delay); } if (timeout != null) { setTimeout(() => { if (!loaded.value && !error.value) { const err = new Error(`Async component timed out after ${timeout}ms.`); onError(err); error.value = err; } }, timeout); } load() .then(() => { loaded.value = true; 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; }); 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); } }; } }); } function createInnerComp(comp, { vnode: { ref, props, children } }) { const vnode = createVNode(comp, props, children); // ensure inner component inherits the async wrapper's ref owner vnode.ref = ref; return vnode; } const isKeepAlive = (vnode) => vnode.type.__isKeepAlive; class Cache { constructor(max) { this.max = max; this._cache = new Map(); this._keys = new Set(); this._max = parseInt(max, 10); } get(key) { const { _cache, _keys, _max } = this; const cached = _cache.get(key); if (cached) { // make this key the freshest _keys.delete(key); _keys.add(key); } else { _keys.add(key); // prune oldest entry if (_max && _keys.size > _max) { const staleKey = _keys.values().next().value; this.pruneCacheEntry(_cache.get(staleKey)); this.delete(staleKey); } } return cached; } set(key, value) { this._cache.set(key, value); } delete(key) { this._cache.delete(key); this._keys.delete(key); } forEach(fn, thisArg) { this._cache.forEach(fn.bind(thisArg)); } } const 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], matchBy: { type: String, default: 'name' }, cache: Object }, setup(props, { slots }) { const 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. const 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 && slots.default()[0]; // fixed by xxxxxx } if ((process.env.NODE_ENV !== 'production') && props.cache && props.max) { // fixed by xxxxxx warn('The `max` prop will be ignored if you provide a custom caching strategy'); } const cache = props.cache || new Cache(props.max); cache.pruneCacheEntry = pruneCacheEntry; let current = null; function pruneCacheEntry(cached) { if (!current || cached.type !== current.type || (props.matchBy === 'key' && cached.key !== current.key)) { 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); } } const parentSuspense = instance.suspense; const { renderer: { p: patch, m: move, um: _unmount, o: { createElement } } } = sharedContext; const storageContainer = createElement('div'); sharedContext.activate = (vnode, container, anchor, isSVG, optimized) => { const instance = vnode.component; if (instance.ba) { const currentState = instance.isDeactivated; instance.isDeactivated = false; invokeArrayFns(instance.ba); instance.isDeactivated = currentState; } move(vnode, container, anchor, 0 /* ENTER */, parentSuspense); // in case props have changed patch(instance.vnode, vnode, container, anchor, instance, parentSuspense, isSVG, vnode.slotScopeIds, optimized); queuePostRenderEffect(() => { instance.isDeactivated = false; if (instance.a) { invokeArrayFns(instance.a); } const vnodeHook = vnode.props && vnode.props.onVnodeMounted; if (vnodeHook) { invokeVNodeHook(vnodeHook, instance.parent, vnode); } }, parentSuspense); if ((process.env.NODE_ENV !== 'production') || __VUE_PROD_DEVTOOLS__) { // Update components tree devtoolsComponentAdded(instance); } }; sharedContext.deactivate = (vnode) => { const instance = vnode.component; if (instance.bda) { invokeKeepAliveHooks(instance.bda); } move(vnode, storageContainer, null, 1 /* LEAVE */, parentSuspense); queuePostRenderEffect(() => { if (instance.bda) { resetHookState(instance.bda); } if (instance.da) { invokeArrayFns(instance.da); } const vnodeHook = vnode.props && vnode.props.onVnodeUnmounted; if (vnodeHook) { invokeVNodeHook(vnodeHook, instance.parent, vnode); } instance.isDeactivated = true; }, parentSuspense); if ((process.env.NODE_ENV !== 'production') || __VUE_PROD_DEVTOOLS__) { // Update components tree devtoolsComponentAdded(instance); } }; function unmount(vnode) { // reset the shapeFlag so it can be properly unmounted resetShapeFlag(vnode); _unmount(vnode, instance, parentSuspense); } function pruneCache(filter) { cache.forEach((vnode, key) => { const name = getMatchingName(vnode, props.matchBy); if (name && (!filter || !filter(name))) { cache.delete(key); pruneCacheEntry(vnode); } }); } // prune cache on include/exclude prop change watch(() => [props.include, props.exclude, props.matchBy], ([include, exclude]) => { 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 let pendingCacheKey = null; const cacheSubtree = () => { // fix #1621, the pendingCacheKey could be 0 if (pendingCacheKey != null) { cache.set(pendingCacheKey, getInnerChild(instance.subTree)); } }; onMounted(cacheSubtree); onUpdated(cacheSubtree); onBeforeUnmount(() => { cache.forEach((cached, key) => { cache.delete(key); pruneCacheEntry(cached); const { subTree, suspense } = instance; const vnode = getInnerChild(subTree); if (cached.type === vnode.type && (props.matchBy !== 'key' || cached.key === vnode.key)) { // invoke its beforeDeactivate hook here if (vnode.component.bda) { invokeArrayFns(vnode.component.bda); } // current instance will be unmounted as part of keep-alive's unmount resetShapeFlag(vnode); // but invoke its deactivated hook here const da = vnode.component.da; da && queuePostRenderEffect(da, suspense); return; } }); }); return () => { pendingCacheKey = null; if (!slots.default) { return null; } const children = slots.default(); const rawVNode = children[0]; if (children.length > 1) { if ((process.env.NODE_ENV !== 'production')) { warn(`KeepAlive should contain exactly one component child.`); } current = null; return children; } else if (!isVNode(rawVNode) || (!(rawVNode.shapeFlag & 4 /* STATEFUL_COMPONENT */) && !isSuspense(rawVNode.type))) { current = null; return rawVNode; } let vnode = getInnerChild(rawVNode); const comp = vnode.type; const name = getMatchingName(vnode, props.matchBy); const { include, exclude } = props; if ((include && (!name || !matches(include, name))) || (exclude && name && matches(exclude, name))) { current = vnode; return rawVNode; } const key = vnode.key == null ? comp : vnode.key; const cachedVNode = cache.get(key); // clone vnode if it's reused because we are going to mutate it if (vnode.el) { vnode = cloneVNode(vnode); if (isSuspense(rawVNode.type)) { 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. pendingCacheKey = key; if (cachedVNode) { // copy over mounted state vnode.el = cachedVNode.el; vnode.component = cachedVNode.component; if (vnode.transition) { // recursively update transition hooks on subTree setTransitionHooks(vnode, vnode.transition); } // avoid vnode being mounted as fresh vnode.shapeFlag |= 512 /* COMPONENT_KEPT_ALIVE */; } // avoid vnode being unmounted vnode.shapeFlag |= 256 /* COMPONENT_SHOULD_KEEP_ALIVE */; current = vnode; return isSuspense(rawVNode.type) ? rawVNode : vnode; }; } }; // export the public type for h/tsx inference // also to avoid inline import() in generated d.ts files const KeepAlive = KeepAliveImpl; function matches(pattern, name) { if (isArray(pattern)) { return pattern.some((p) => matches(p, name)); } else if (isString(pattern)) { return pattern.split(',').indexOf(name) > -1; } else if (pattern.test) { return pattern.test(name); } /* istanbul ignore next */ return false; } function onBeforeActivate(hook, target) { registerKeepAliveHook(hook, "ba" /* BEFORE_ACTIVATE */, target); } function onActivated(hook, target) { registerKeepAliveHook(hook, "a" /* ACTIVATED */, target); } function onBeforeDeactivate(hook, target) { registerKeepAliveHook(hook, "bda" /* BEFORE_DEACTIVATE */, target); } function onDeactivated(hook, target) { registerKeepAliveHook(hook, "da" /* DEACTIVATED */, target); } function registerKeepAliveHook(hook, type, target = currentInstance) { // 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". const wrappedHook = hook.__wdc || (hook.__wdc = () => { // only fire the hook if the target instance is NOT in a deactivated branch. let current = target; while (current) { if (current.isDeactivated) { return; } current = current.parent; } hook(); }); wrappedHook.__called = false; 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. if (target) { let current = target.parent; while (current && current.parent) { if (isKeepAlive(current.parent.vnode)) { injectToKeepAliveRoot(wrappedHook, type, target, current); } current = current.parent; } } } function injectToKeepAliveRoot(hook, type, target, keepAliveRoot) { // injectHook wraps the original for error handling, so make sure to remove // the wrapped version. const injected = injectHook(type, hook, keepAliveRoot, true /* prepend */); onUnmounted(() => { remove(keepAliveRoot[type], injected); }, target); } function resetShapeFlag(vnode) { let 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; } function getInnerChild(vnode) { return isSuspense(vnode.type) ? vnode.ssContent : vnode; } function getMatchingName(vnode, matchBy) { if (matchBy === 'name') { const comp = vnode.type; return getComponentName(isAsyncWrapper(vnode) ? comp.__asyncResolved || {} : comp); } return String(vnode.key); } function invokeKeepAliveHooks(hooks) { for (let i = 0; i < hooks.length; i++) { const hook = hooks[i]; if (!hook.__called) { hook(); hook.__called = true; } } } function resetHookState(hooks) { hooks.forEach((hook) => (hook.__called = false)); } function injectHook(type, hook, target = currentInstance, prepend = false) { if (target) { const 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". const wrappedHook = hook.__weh || (hook.__weh = (...args) => { if (target.isUnmounted) { return; } // disable tracking inside all lifecycle hooks // since they can potentially be called inside effects. 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. setCurrentInstance(target); const res = callWithAsyncErrorHandling(hook, target, type, args); setCurrentInstance(null); resetTracking(); return res; }); if (prepend) { hooks.unshift(wrappedHook); } else { hooks.push(wrappedHook); } return wrappedHook; } else if ((process.env.NODE_ENV !== 'production')) { const apiName = toHandlerKey(ErrorTypeStrings[type].replace(/ hook$/, '')); warn(`${apiName} is called when there is no active component instance to be ` + `associated with. ` + `Lifecycle injection APIs can only be used during execution of setup().` + (` If you are using async setup(), make sure to register lifecycle ` + `hooks before the first await statement.` )); } } const createHook = (lifecycle) => (hook, target = currentInstance) => // post-create lifecycle registrations are noops during SSR (except for serverPrefetch) (!isInSSRComponentSetup || lifecycle === "sp" /* SERVER_PREFETCH */) && injectHook(lifecycle, hook, target); const onBeforeMount = createHook("bm" /* BEFORE_MOUNT */); const onMounted = createHook("m" /* MOUNTED */); const onBeforeUpdate = createHook("bu" /* BEFORE_UPDATE */); const onUpdated = createHook("u" /* UPDATED */); const onBeforeUnmount = createHook("bum" /* BEFORE_UNMOUNT */); const onUnmounted = createHook("um" /* UNMOUNTED */); const onServerPrefetch = createHook("sp" /* SERVER_PREFETCH */); const onRenderTriggered = createHook("rtg" /* RENDER_TRIGGERED */); const onRenderTracked = createHook("rtc" /* RENDER_TRACKED */); function onErrorCaptured(hook, target = currentInstance) { injectHook("ec" /* ERROR_CAPTURED */, hook, target); } function createDuplicateChecker() { const cache = Object.create(null); return (type, key) => { if (cache[key]) { warn(`${type} property "${key}" is already defined in ${cache[key]}.`); } else { cache[key] = type; } }; } let shouldCacheAccess = true; function applyOptions(instance) { const options = resolveMergedOptions(instance); const publicThis = instance.proxy; const ctx = instance.ctx; // fixed by xxxxxx const customApplyOptions = instance.appContext.config.globalProperties .$applyOptions; if (customApplyOptions) { customApplyOptions(options, instance, publicThis); } // do not cache property access on public proxy during state initialization shouldCacheAccess = false; // call beforeCreate first before accessing other options since // the hook may mutate resolved options (#2791) if (options.beforeCreate) { callHook(options.beforeCreate, instance, "bc" /* BEFORE_CREATE */); } const { // 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; const checkDuplicateProperties = (process.env.NODE_ENV !== 'production') ? createDuplicateChecker() : null; if ((process.env.NODE_ENV !== 'production')) { const [propsOptions] = instance.propsOptions; if (propsOptions) { for (const key in propsOptions) { checkDuplicateProperties("Props" /* PROPS */, key); } } } // 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); } if (methods) { for (const key in methods) { const 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 if ((process.env.NODE_ENV !== 'production')) { Object.defineProperty(ctx, key, { value: methodHandler.bind(publicThis), configurable: true, enumerable: true, writable: true }); } else { ctx[key] = methodHandler.bind(publicThis); } if ((process.env.NODE_ENV !== 'production')) { checkDuplicateProperties("Methods" /* METHODS */, key); } } else if ((process.env.NODE_ENV !== 'production')) { warn(`Method "${key}" has type "${typeof methodHandler}" in the component definition. ` + `Did you reference the function correctly?`); } } } if (dataOptions) { if ((process.env.NODE_ENV !== 'production') && !isFunction(dataOptions)) { warn(`The data option must be a function. ` + `Plain object usage is no longer supported.`); } const data = dataOptions.call(publicThis, publicThis); if ((process.env.NODE_ENV !== 'production') && isPromise(data)) { warn(`data() returned a Promise - note data() cannot be async; If you ` + `intend to perform data fetching before component renders, use ` + `async setup() + .`); } if (!isObject(data)) { (process.env.NODE_ENV !== 'production') && warn(`data() should return an object.`); } else { instance.data = reactive(data); if ((process.env.NODE_ENV !== 'production')) { for (const key in data) { checkDuplicateProperties("Data" /* DATA */, key); // expose data on ctx during dev if (key[0] !== '$' && key[0] !== '_') { Object.defineProperty(ctx, key, { configurable: true, enumerable: true, get: () => data[key], set: NOOP }); } } } } } // state initialization complete at this point - start caching access shouldCacheAccess = true; if (computedOptions) { for (const key in computedOptions) { const opt = computedOptions[key]; const get = isFunction(opt) ? opt.bind(publicThis, publicThis) : isFunction(opt.get) ? opt.get.bind(publicThis, publicThis) : NOOP; if ((process.env.NODE_ENV !== 'production') && get === NOOP) { warn(`Computed property "${key}" has no getter.`); } const set = !isFunction(opt) && isFunction(opt.set) ? opt.set.bind(publicThis) : (process.env.NODE_ENV !== 'production') ? () => { warn(`Write operation failed: computed property "${key}" is readonly.`); } : NOOP; const c = computed$1({ get, set }); Object.defineProperty(ctx, key, { enumerable: true, configurable: true, get: () => c.value, set: v => (c.value = v) }); if ((process.env.NODE_ENV !== 'production')) { checkDuplicateProperties("Computed" /* COMPUTED */, key); } } } if (watchOptions) { for (const key in watchOptions) { createWatcher(watchOptions[key], ctx, publicThis, key); } } if (provideOptions) { const provides = isFunction(provideOptions) ? provideOptions.call(publicThis) : provideOptions; Reflect.ownKeys(provides).forEach(key => { provide(key, provides[key]); }); } 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) { const exposed = instance.exposed || (instance.exposed = proxyRefs({})); expose.forEach(key => { exposed[key] = toRef(publicThis, key); }); } else if (!instance.exposed) { instance.exposed = EMPTY_OBJ; } } // options that are handled when creating the instance but also need to be // applied from mixins if (render && instance.render === NOOP) { instance.render = render; } if (inheritAttrs != null) { instance.inheritAttrs = inheritAttrs; } // asset options. if (components) instance.components = components; if (directives) instance.directives = directives; } function resolveInjections(injectOptions, ctx, checkDuplicateProperties = NOOP) { if (isArray(injectOptions)) { injectOptions = normalizeInject(injectOptions); } for (const key in injectOptions) { const opt = injectOptions[key]; if (isObject(opt)) { if ('default' in opt) { ctx[key] = inject(opt.from || key, opt.default, true /* treat default function as factory */); } else { ctx[key] = inject(opt.from || key); } } else { ctx[key] = inject(opt); } if ((process.env.NODE_ENV !== 'production')) { checkDuplicateProperties("Inject" /* INJECT */, key); } } } function callHook(hook, instance, type) { callWithAsyncErrorHandling(isArray(hook) ? hook.map(h => h.bind(instance.proxy)) : hook.bind(instance.proxy), instance, type); } function createWatcher(raw, ctx, publicThis, key) { const getter = key.includes('.') ? createPathGetter(publicThis, key) : () => publicThis[key]; if (isString(raw)) { const handler = ctx[raw]; if (isFunction(handler)) { watch(getter, handler); } else if ((process.env.NODE_ENV !== 'production')) { warn(`Invalid watch handler specified by key "${raw}"`, 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 { const handler = isFunction(raw.handler) ? raw.handler.bind(publicThis) : ctx[raw.handler]; if (isFunction(handler)) { watch(getter, handler, raw); } else if ((process.env.NODE_ENV !== 'production')) { warn(`Invalid watch handler specified by key "${raw.handler}"`, handler); } } } else if ((process.env.NODE_ENV !== 'production')) { warn(`Invalid watch option: "${key}"`, raw); } } /** * 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) { const base = instance.type; const { mixins, extends: extendsOptions } = base; const { mixins: globalMixins, optionsCache: cache, config: { optionMergeStrategies } } = instance.appContext; const cached = cache.get(base); let 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; } function mergeOptions(to, from, strats, asMixin = false) { const { mixins, extends: extendsOptions } = from; if (extendsOptions) { mergeOptions(to, extendsOptions, strats, true); } if (mixins) { mixins.forEach((m) => mergeOptions(to, m, strats, true)); } for (const key in from) { if (asMixin && key === 'expose') { (process.env.NODE_ENV !== 'production') && warn(`"expose" option is ignored when declared in mixins or extends. ` + `It should only be declared in the base component itself.`); } else { const strat = internalOptionMergeStrats[key] || (strats && strats[key]); to[key] = strat ? strat(to[key], from[key]) : from[key]; } } return to; } const internalOptionMergeStrats = { data: mergeDataFn, props: mergeObjectOptions, emits: mergeObjectOptions, // objects methods: mergeObjectOptions, computed: mergeObjectOptions, // lifecycle beforeCreate: mergeHook, created: mergeHook, beforeMount: mergeHook, mounted: mergeHook, beforeUpdate: mergeHook, updated: mergeHook, beforeDestroy: mergeHook, destroyed: mergeHook, activated: mergeHook, deactivated: mergeHook, errorCaptured: mergeHook, serverPrefetch: mergeHook, // assets components: mergeObjectOptions, directives: mergeObjectOptions, // watch has special merge behavior in v2, but isn't actually needed in v3. // since we are only exposing these for compat and nobody should be relying // on the watch-specific behavior, just expose the object merge strat. watch: mergeObjectOptions, // 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); }; } function mergeInject(to, from) { return mergeObjectOptions(normalizeInject(to), normalizeInject(from)); } function normalizeInject(raw) { if (isArray(raw)) { const res = {}; for (let i = 0; i < raw.length; i++) { res[raw[i]] = raw[i]; } return res; } return raw; } function mergeHook(to, from) { return to ? [...new Set([].concat(to, from))] : from; } function mergeObjectOptions(to, from) { return to ? extend(extend(Object.create(null), to), from) : from; } function initProps(instance, rawProps, isStateful, // result of bitwise flag comparison isSSR = false) { const props = {}; const attrs = {}; def(attrs, InternalObjectKey, 1); instance.propsDefaults = Object.create(null); setFullProps(instance, rawProps, props, attrs); // ensure all declared prop keys are present for (const key in instance.propsOptions[0]) { if (!(key in props)) { props[key] = undefined; } } // validation if ((process.env.NODE_ENV !== 'production')) { validateProps(rawProps || {}, props, instance); } 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; } function updateProps(instance, rawProps, rawPrevProps, optimized) { const { props, attrs, vnode: { patchFlag } } = instance; const rawCurrentProps = toRaw(props); const [options] = instance.propsOptions; let 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 !((process.env.NODE_ENV !== 'production') && (instance.type.__hmrId || (instance.parent && instance.parent.type.__hmrId))) && (optimized || patchFlag > 0) && !(patchFlag & 16 /* FULL_PROPS */)) { if (patchFlag & 8 /* PROPS */) { // Compiler-generated props & no keys change, just set the updated // the props. const propsToUpdate = instance.vnode.dynamicProps; for (let i = 0; i < propsToUpdate.length; i++) { let key = propsToUpdate[i]; // PROPS flag guarantees rawProps to be non-null const value = rawProps[key]; 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; hasAttrsChanged = true; } } else { const camelizedKey = camelize(key); props[camelizedKey] = resolvePropValue(options, rawCurrentProps, camelizedKey, value, instance, false /* isAbsent */); } } else { if (value !== attrs[key]) { attrs[key] = value; hasAttrsChanged = true; } } } } } 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 let kebabKey; for (const key in rawCurrentProps) { if (!rawProps || // for camelCase (!hasOwn(rawProps, key) && // it's possible the original props was passed in as kebab-case // and converted to camelCase (#955) ((kebabKey = hyphenate(key)) === key || !hasOwn(rawProps, kebabKey)))) { if (options) { if (rawPrevProps && // for camelCase (rawPrevProps[key] !== undefined || // for kebab-case rawPrevProps[kebabKey] !== undefined)) { props[key] = resolvePropValue(options, rawCurrentProps, key, undefined, instance, true /* isAbsent */); } } else { delete props[key]; } } } // 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. if (attrs !== rawCurrentProps) { for (const key in attrs) { if (!rawProps || !hasOwn(rawProps, key)) { delete attrs[key]; hasAttrsChanged = true; } } } } // trigger updates for $attrs in case it's used in component slots if (hasAttrsChanged) { trigger(instance, "set" /* SET */, '$attrs'); } if ((process.env.NODE_ENV !== 'production')) { validateProps(rawProps || {}, props, instance); } } function setFullProps(instance, rawProps, props, attrs) { const [options, needCastKeys] = instance.propsOptions; let hasAttrsChanged = false; let rawCastValues; if (rawProps) { for (let key in rawProps) { // key, ref are reserved and never passed down if (isReservedProp(key)) { continue; } const value = rawProps[key]; // prop option names are camelized during normalization, so to support // kebab -> camel conversion here we need to camelize the key. let camelKey; 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 (value !== attrs[key]) { attrs[key] = value; hasAttrsChanged = true; } } } } if (needCastKeys) { const rawCurrentProps = toRaw(props); const castValues = rawCastValues || EMPTY_OBJ; for (let i = 0; i < needCastKeys.length; i++) { const key = needCastKeys[i]; props[key] = resolvePropValue(options, rawCurrentProps, key, castValues[key], instance, !hasOwn(castValues, key)); } } return hasAttrsChanged; } function resolvePropValue(options, props, key, value, instance, isAbsent) { const opt = options[key]; if (opt != null) { const hasDefault = hasOwn(opt, 'default'); // default values if (hasDefault && value === undefined) { const defaultValue = opt.default; if (opt.type !== Function && isFunction(defaultValue)) { const { propsDefaults } = instance; if (key in propsDefaults) { value = propsDefaults[key]; } else { setCurrentInstance(instance); value = propsDefaults[key] = defaultValue.call(null, props); setCurrentInstance(null); } } else { value = defaultValue; } } // boolean casting if (opt[0 /* shouldCast */]) { if (isAbsent && !hasDefault) { value = false; } else if (opt[1 /* shouldCastTrue */] && (value === '' || value === hyphenate(key))) { value = true; } } } return value; } function normalizePropsOptions(comp, appContext, asMixin = false) { const cache = appContext.propsCache; const cached = cache.get(comp); if (cached) { return cached; } const raw = comp.props; const normalized = {}; const needCastKeys = []; // apply mixin/extends props let hasExtends = false; if (__VUE_OPTIONS_API__ && !isFunction(comp)) { const extendProps = (raw) => { hasExtends = true; const [props, keys] = normalizePropsOptions(raw, appContext, true); extend(normalized, props); if (keys) needCastKeys.push(...keys); }; if (!asMixin && appContext.mixins.length) { appContext.mixins.forEach(extendProps); } if (comp.extends) { extendProps(comp.extends); } if (comp.mixins) { comp.mixins.forEach(extendProps); } } if (!raw && !hasExtends) { cache.set(comp, EMPTY_ARR); return EMPTY_ARR; } if (isArray(raw)) { for (let i = 0; i < raw.length; i++) { if ((process.env.NODE_ENV !== 'production') && !isString(raw[i])) { warn(`props must be strings when using array syntax.`, raw[i]); } const normalizedKey = camelize(raw[i]); if (validatePropName(normalizedKey)) { normalized[normalizedKey] = EMPTY_OBJ; } } } else if (raw) { if ((process.env.NODE_ENV !== 'production') && !isObject(raw)) { warn(`invalid props options`, raw); } for (const key in raw) { const normalizedKey = camelize(key); if (validatePropName(normalizedKey)) { const opt = raw[key]; const prop = (normalized[normalizedKey] = isArray(opt) || isFunction(opt) ? { type: opt } : opt); if (prop) { const booleanIndex = getTypeIndex(Boolean, prop.type); const 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 if (booleanIndex > -1 || hasOwn(prop, 'default')) { needCastKeys.push(normalizedKey); } } } } } const res = [normalized, needCastKeys]; cache.set(comp, res); return res; } function validatePropName(key) { if (key[0] !== '$') { return true; } else if ((process.env.NODE_ENV !== 'production')) { warn(`Invalid prop name: "${key}" is a reserved property.`); } return false; } // use function string name to check type constructors // so that it works across vms / iframes. function getType(ctor) { const match = ctor && ctor.toString().match(/^\s*function (\w+)/); return match ? match[1] : ''; } function isSameType(a, b) { return getType(a) === getType(b); } function getTypeIndex(type, expectedTypes) { if (isArray(expectedTypes)) { return expectedTypes.findIndex(t => isSameType(t, type)); } else if (isFunction(expectedTypes)) { return isSameType(expectedTypes, type) ? 0 : -1; } return -1; } /** * dev only */ function validateProps(rawProps, props, instance) { const resolvedValues = toRaw(props); const options = instance.propsOptions[0]; for (const key in options) { let opt = options[key]; if (opt == null) continue; validateProp(key, resolvedValues[key], opt, !hasOwn(rawProps, key) && !hasOwn(rawProps, hyphenate(key))); } } /** * dev only */ function validateProp(name, value, prop, isAbsent) { const { type, required, validator } = prop; // required! if (required && isAbsent) { warn('Missing required prop: "' + name + '"'); return; } // missing but optional if (value == null && !prop.required) { return; } // type check if (type != null && type !== true) { let isValid = false; const types = isArray(type) ? type : [type]; const expectedTypes = []; // value is valid as long as one of the specified types match for (let i = 0; i < types.length && !isValid; i++) { const { valid, expectedType } = assertType(value, types[i]); expectedTypes.push(expectedType || ''); isValid = valid; } if (!isValid) { warn(getInvalidTypeMessage(name, value, expectedTypes)); return; } } // custom validator if (validator && !validator(value)) { warn('Invalid prop: custom validator check failed for prop "' + name + '".'); } } const isSimpleType = /*#__PURE__*/ makeMap('String,Number,Boolean,Function,Symbol,BigInt'); /** * dev only */ function assertType(value, type) { let valid; const expectedType = getType(type); if (isSimpleType(expectedType)) { const t = typeof value; valid = t === expectedType.toLowerCase(); // for primitive wrapper objects if (!valid && t === 'object') { valid = value instanceof type; } } else if (expectedType === 'Object') { valid = isObject(value); } else if (expectedType === 'Array') { valid = isArray(value); } else { valid = value instanceof type; } return { valid, expectedType }; } /** * dev only */ function getInvalidTypeMessage(name, value, expectedTypes) { let message = `Invalid prop: type check failed for prop "${name}".` + ` Expected ${expectedTypes.map(capitalize).join(', ')}`; const expectedType = expectedTypes[0]; const receivedType = toRawType(value); const expectedValue = styleValue(value, expectedType); const receivedValue = styleValue(value, receivedType); // check if we need to specify expected value if (expectedTypes.length === 1 && isExplicable(expectedType) && !isBoolean(expectedType, receivedType)) { message += ` with value ${expectedValue}`; } message += `, got ${receivedType} `; // check if we need to specify received value if (isExplicable(receivedType)) { message += `with value ${receivedValue}.`; } return message; } /** * dev only */ function styleValue(value, type) { if (type === 'String') { return `"${value}"`; } else if (type === 'Number') { return `${Number(value)}`; } else { return `${value}`; } } /** * dev only */ function isExplicable(type) { const explicitTypes = ['string', 'number', 'boolean']; return explicitTypes.some(elem => type.toLowerCase() === elem); } /** * dev only */ function isBoolean(...args) { return args.some(elem => elem.toLowerCase() === 'boolean'); } const isInternalKey = (key) => key[0] === '_' || key === '$stable'; const normalizeSlotValue = (value) => isArray(value) ? value.map(normalizeVNode) : [normalizeVNode(value)]; const normalizeSlot = (key, rawSlot, ctx) => { const normalized = withCtx((props) => { if ((process.env.NODE_ENV !== 'production') && currentInstance) { warn(`Slot "${key}" invoked outside of the render function: ` + `this will not track dependencies used in the slot. ` + `Invoke the slot function inside the render function instead.`); } return normalizeSlotValue(rawSlot(props)); }, ctx); normalized._c = false; return normalized; }; const normalizeObjectSlots = (rawSlots, slots, instance) => { const ctx = rawSlots._ctx; for (const key in rawSlots) { if (isInternalKey(key)) continue; const value = rawSlots[key]; if (isFunction(value)) { slots[key] = normalizeSlot(key, value, ctx); } else if (value != null) { if ((process.env.NODE_ENV !== 'production') && !(false )) { warn(`Non-function value encountered for slot "${key}". ` + `Prefer function slots for better performance.`); } const normalized = normalizeSlotValue(value); slots[key] = () => normalized; } } }; const normalizeVNodeSlots = (instance, children) => { if ((process.env.NODE_ENV !== 'production') && !isKeepAlive(instance.vnode) && !(false )) { warn(`Non-function value encountered for default slot. ` + `Prefer function slots for better performance.`); } const normalized = normalizeSlotValue(children); instance.slots.default = () => normalized; }; const initSlots = (instance, children) => { if (instance.vnode.shapeFlag & 32 /* SLOTS_CHILDREN */) { const type = children._; if (type) { // users can get the shallow readonly version of the slots object through `this.$slots`, // we should avoid the proxy object polluting the slots of the internal instance instance.slots = toRaw(children); // make compiler marker non-enumerable def(children, '_', type); } else { normalizeObjectSlots(children, (instance.slots = {})); } } else { instance.slots = {}; if (children) { normalizeVNodeSlots(instance, children); } } def(instance.slots, InternalObjectKey, 1); }; const updateSlots = (instance, children, optimized) => { const { vnode, slots } = instance; let needDeletionCheck = true; let deletionComparisonTarget = EMPTY_OBJ; if (vnode.shapeFlag & 32 /* SLOTS_CHILDREN */) { const type = children._; if (type) { // compiled slots. if ((process.env.NODE_ENV !== 'production') && isHmrUpdating) { // Parent was HMR updated so slot content may have changed. // force update slots and mark instance for hmr as well extend(slots, children); } else 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._; } } } else { needDeletionCheck = !children.$stable; normalizeObjectSlots(children, slots); } 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 (const key in slots) { if (!isInternalKey(key) && !(key in deletionComparisonTarget)) { delete slots[key]; } } } }; /** Runtime helper for applying directives to a vnode. Example usage: const comp = resolveComponent('comp') const foo = resolveDirective('foo') const bar = resolveDirective('bar') return withDirectives(h(comp), [ [foo, this.x], [bar, this.y] ]) */ const isBuiltInDirective = /*#__PURE__*/ makeMap('bind,cloak,else-if,else,for,html,if,model,on,once,pre,show,slot,text'); function validateDirectiveName(name) { if (isBuiltInDirective(name)) { warn('Do not use built-in directive ids as custom directive id: ' + name); } } /** * Adds directives to a VNode. */ function withDirectives(vnode, directives) { const internalInstance = currentRenderingInstance; if (internalInstance === null) { (process.env.NODE_ENV !== 'production') && warn(`withDirectives can only be used inside render functions.`); return vnode; } const instance = internalInstance.proxy; const bindings = vnode.dirs || (vnode.dirs = []); for (let i = 0; i < directives.length; i++) { let [dir, value, arg, modifiers = EMPTY_OBJ] = directives[i]; if (isFunction(dir)) { dir = { mounted: dir, updated: dir }; } bindings.push({ dir, instance, value, oldValue: void 0, arg, modifiers }); } return vnode; } function invokeDirectiveHook(vnode, prevVNode, instance, name) { const bindings = vnode.dirs; const oldBindings = prevVNode && prevVNode.dirs; for (let i = 0; i < bindings.length; i++) { const binding = bindings[i]; if (oldBindings) { binding.oldValue = oldBindings[i].value; } let hook = binding.dir[name]; 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(); } } } 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() }; } let uid$1 = 0; function createAppAPI(render, hydrate) { return function createApp(rootComponent, rootProps = null) { if (rootProps != null && !isObject(rootProps)) { (process.env.NODE_ENV !== 'production') && warn(`root props passed to app.mount() must be an object.`); rootProps = null; } const context = createAppContext(); const installedPlugins = new Set(); let isMounted = false; const app = (context.app = { _uid: uid$1++, _component: rootComponent, _props: rootProps, _container: null, _context: context, _instance: null, version, get config() { return context.config; }, set config(v) { if ((process.env.NODE_ENV !== 'production')) { warn(`app.config cannot be replaced. Modify individual options instead.`); } }, use(plugin, ...options) { if (installedPlugins.has(plugin)) { (process.env.NODE_ENV !== 'production') && warn(`Plugin has already been applied to target app.`); } else if (plugin && isFunction(plugin.install)) { installedPlugins.add(plugin); plugin.install(app, ...options); } else if (isFunction(plugin)) { installedPlugins.add(plugin); plugin(app, ...options); } else if ((process.env.NODE_ENV !== 'production')) { warn(`A plugin must either be a function or an object with an "install" ` + `function.`); } return app; }, mixin(mixin) { if (__VUE_OPTIONS_API__) { if (!context.mixins.includes(mixin)) { context.mixins.push(mixin); } else if ((process.env.NODE_ENV !== 'production')) { warn('Mixin has already been applied to target app' + (mixin.name ? `: ${mixin.name}` : '')); } } else if ((process.env.NODE_ENV !== 'production')) { warn('Mixins are only available in builds supporting Options API'); } return app; }, component(name, component) { if ((process.env.NODE_ENV !== 'production')) { validateComponentName(name, context.config); } if (!component) { return context.components[name]; } if ((process.env.NODE_ENV !== 'production') && context.components[name]) { warn(`Component "${name}" has already been registered in target app.`); } context.components[name] = component; return app; }, directive(name, directive) { if ((process.env.NODE_ENV !== 'production')) { validateDirectiveName(name); } if (!directive) { return context.directives[name]; } if ((process.env.NODE_ENV !== 'production') && context.directives[name]) { warn(`Directive "${name}" has already been registered in target app.`); } context.directives[name] = directive; return app; }, mount(rootContainer, isHydrate, isSVG) { if (!isMounted) { const vnode = createVNode(rootComponent, rootProps); // store app context on the root VNode. // this will be set on the root instance on initial mount. vnode.appContext = context; // HMR root reload if ((process.env.NODE_ENV !== 'production')) { context.reload = () => { render(cloneVNode(vnode), rootContainer, isSVG); }; } if (isHydrate && hydrate) { hydrate(vnode, rootContainer); } else { render(vnode, rootContainer, isSVG); } isMounted = true; app._container = rootContainer; rootContainer.__vue_app__ = app; if ((process.env.NODE_ENV !== 'production') || __VUE_PROD_DEVTOOLS__) { app._instance = vnode.component; devtoolsInitApp(app, version); } return vnode.component.proxy; } else if ((process.env.NODE_ENV !== 'production')) { warn(`App has already been mounted.\n` + `If you want to remount the same app, move your app creation logic ` + `into a factory function and create fresh app instances for each ` + `mount - e.g. \`const createMyApp = () => createApp(App)\``); } }, unmount() { if (isMounted) { render(null, app._container); if ((process.env.NODE_ENV !== 'production') || __VUE_PROD_DEVTOOLS__) { app._instance = null; devtoolsUnmountApp(app); } delete app._container.__vue_app__; } else if ((process.env.NODE_ENV !== 'production')) { warn(`Cannot unmount an app that is not mounted.`); } }, provide(key, value) { if ((process.env.NODE_ENV !== 'production') && key in context.provides) { warn(`App already provides property with key "${String(key)}". ` + `It will be overwritten with the new value.`); } // TypeScript doesn't allow symbols as index type // https://github.com/Microsoft/TypeScript/issues/24587 context.provides[key] = value; return app; } }); return app; }; } let hasMismatch = false; const isSVGContainer = (container) => /svg/.test(container.namespaceURI) && container.tagName !== 'foreignObject'; const 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) { const { mt: mountComponent, p: patch, o: { patchProp, nextSibling, parentNode, remove, insert, createComment } } = rendererInternals; const hydrate = (vnode, container) => { if ((process.env.NODE_ENV !== 'production') && !container.hasChildNodes()) { warn(`Attempting to hydrate existing markup but container is empty. ` + `Performing full mount instead.`); patch(null, vnode, container); 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.`); } }; const hydrateNode = (node, vnode, parentComponent, parentSuspense, slotScopeIds, optimized = false) => { const isFragmentStart = isComment(node) && node.data === '['; const onMismatch = () => handleMismatch(node, vnode, parentComponent, parentSuspense, slotScopeIds, isFragmentStart); const { type, ref, shapeFlag } = vnode; const domType = node.nodeType; vnode.el = node; let nextNode = null; switch (type) { case Text: if (domType !== 3 /* TEXT */) { nextNode = onMismatch(); } else { if (node.data !== vnode.children) { hasMismatch = true; (process.env.NODE_ENV !== 'production') && warn(`Hydration text mismatch:` + `\n- Client: ${JSON.stringify(node.data)}` + `\n- Server: ${JSON.stringify(vnode.children)}`); node.data = vnode.children; } nextNode = nextSibling(node); } break; case Comment$1: if (domType !== 8 /* COMMENT */ || isFragmentStart) { nextNode = onMismatch(); } else { nextNode = nextSibling(node); } break; 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. const needToAdoptContent = !vnode.children.length; for (let i = 0; i < vnode.staticCount; i++) { if (needToAdoptContent) vnode.children += nextNode.outerHTML; if (i === vnode.staticCount - 1) { vnode.anchor = nextNode; } nextNode = nextSibling(nextNode); } return nextNode; } break; case Fragment: if (!isFragmentStart) { nextNode = onMismatch(); } else { nextNode = hydrateFragment(node, vnode, parentComponent, parentSuspense, slotScopeIds, optimized); } break; default: if (shapeFlag & 1 /* ELEMENT */) { 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; const 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)) { let subTree; if (isFragmentStart) { subTree = createVNode(Fragment); subTree.anchor = nextNode ? nextNode.previousSibling : container.lastChild; } else { subTree = node.nodeType === 3 ? createTextVNode('') : createVNode('div'); } subTree.el = node; vnode.component.subTree = subTree; } } else if (shapeFlag & 64 /* TELEPORT */) { if (domType !== 8 /* COMMENT */) { nextNode = onMismatch(); } else { nextNode = vnode.type.hydrate(node, vnode, parentComponent, parentSuspense, slotScopeIds, optimized, rendererInternals, hydrateChildren); } } else if (shapeFlag & 128 /* SUSPENSE */) { nextNode = vnode.type.hydrate(node, vnode, parentComponent, parentSuspense, isSVGContainer(parentNode(node)), slotScopeIds, optimized, rendererInternals, hydrateNode); } else if ((process.env.NODE_ENV !== 'production')) { warn('Invalid HostVNode type:', type, `(${typeof type})`); } } if (ref != null) { setRef(ref, null, parentSuspense, vnode); } return nextNode; }; const hydrateElement = (el, vnode, parentComponent, parentSuspense, slotScopeIds, optimized) => { optimized = optimized || !!vnode.dynamicChildren; const { props, patchFlag, shapeFlag, dirs } = vnode; // skip props & children if this is hoisted static nodes if (patchFlag !== -1 /* HOISTED */) { if (dirs) { invokeDirectiveHook(vnode, null, parentComponent, 'created'); } // props if (props) { if (!optimized || (patchFlag & 16 /* FULL_PROPS */ || patchFlag & 32 /* HYDRATE_EVENTS */)) { for (const key in props) { if (!isReservedProp(key) && isOn(key)) { patchProp(el, key, null, props[key]); } } } else if (props.onClick) { // Fast path for click listeners (which is most often) to avoid // iterating through props. patchProp(el, 'onClick', null, props.onClick); } } // vnode / directive hooks let vnodeHooks; if ((vnodeHooks = props && props.onVnodeBeforeMount)) { invokeVNodeHook(vnodeHooks, parentComponent, vnode); } if (dirs) { invokeDirectiveHook(vnode, null, parentComponent, 'beforeMount'); } if ((vnodeHooks = props && props.onVnodeMounted) || dirs) { queueEffectWithSuspense(() => { vnodeHooks && invokeVNodeHook(vnodeHooks, parentComponent, vnode); dirs && invokeDirectiveHook(vnode, null, parentComponent, 'mounted'); }, parentSuspense); } // children if (shapeFlag & 16 /* ARRAY_CHILDREN */ && // skip if element has innerHTML / textContent !(props && (props.innerHTML || props.textContent))) { let next = hydrateChildren(el.firstChild, vnode, el, parentComponent, parentSuspense, slotScopeIds, optimized); let hasWarned = false; while (next) { hasMismatch = true; if ((process.env.NODE_ENV !== 'production') && !hasWarned) { warn(`Hydration children mismatch in <${vnode.type}>: ` + `server rendered element contains more child nodes than client vdom.`); hasWarned = true; } // The SSRed DOM contains more nodes than it should. Remove them. const cur = next; next = next.nextSibling; remove(cur); } } else if (shapeFlag & 8 /* TEXT_CHILDREN */) { if (el.textContent !== vnode.children) { hasMismatch = true; (process.env.NODE_ENV !== 'production') && warn(`Hydration text content mismatch in <${vnode.type}>:\n` + `- Client: ${el.textContent}\n` + `- Server: ${vnode.children}`); el.textContent = vnode.children; } } } return el.nextSibling; }; const hydrateChildren = (node, parentVNode, container, parentComponent, parentSuspense, slotScopeIds, optimized) => { optimized = optimized || !!parentVNode.dynamicChildren; const children = parentVNode.children; const l = children.length; let hasWarned = false; for (let i = 0; i < l; i++) { const vnode = optimized ? children[i] : (children[i] = normalizeVNode(children[i])); if (node) { node = hydrateNode(node, vnode, parentComponent, parentSuspense, slotScopeIds, optimized); } else if (vnode.type === Text && !vnode.children) { continue; } else { hasMismatch = true; if ((process.env.NODE_ENV !== 'production') && !hasWarned) { warn(`Hydration children mismatch in <${container.tagName.toLowerCase()}>: ` + `server rendered element contains fewer child nodes than client vdom.`); hasWarned = true; } // the SSRed DOM didn't contain enough nodes. Mount the missing ones. patch(null, vnode, container, null, parentComponent, parentSuspense, isSVGContainer(container), slotScopeIds); } } return node; }; const hydrateFragment = (node, vnode, parentComponent, parentSuspense, slotScopeIds, optimized) => { const { slotScopeIds: fragmentSlotScopeIds } = vnode; if (fragmentSlotScopeIds) { slotScopeIds = slotScopeIds ? slotScopeIds.concat(fragmentSlotScopeIds) : fragmentSlotScopeIds; } const container = parentNode(node); const next = hydrateChildren(nextSibling(node), vnode, container, parentComponent, parentSuspense, slotScopeIds, optimized); 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 insert((vnode.anchor = createComment(`]`)), container, next); return next; } }; const handleMismatch = (node, vnode, parentComponent, parentSuspense, slotScopeIds, isFragment) => { hasMismatch = true; (process.env.NODE_ENV !== 'production') && warn(`Hydration node mismatch:\n- Client vnode:`, vnode.type, `\n- Server rendered DOM:`, node, node.nodeType === 3 /* TEXT */ ? `(text)` : isComment(node) && node.data === '[' ? `(start of fragment)` : ``); vnode.el = null; if (isFragment) { // remove excessive fragment nodes const end = locateClosingAsyncAnchor(node); while (true) { const next = nextSibling(node); if (next && next !== end) { remove(next); } else { break; } } } const next = nextSibling(node); const container = parentNode(node); remove(node); patch(null, vnode, container, next, parentComponent, parentSuspense, isSVGContainer(container), slotScopeIds); return next; }; const locateClosingAsyncAnchor = (node) => { let match = 0; while (node) { node = nextSibling(node); if (node && isComment(node)) { if (node.data === '[') match++; if (node.data === ']') { if (match === 0) { return nextSibling(node); } else { match--; } } } } return node; }; return [hydrate, hydrateNode]; } let supported; let perf; function startMeasure(instance, type) { if (instance.appContext.config.performance && isSupported()) { perf.mark(`vue-${type}-${instance.uid}`); } if ((process.env.NODE_ENV !== 'production') || __VUE_PROD_DEVTOOLS__) { devtoolsPerfStart(instance, type, supported ? perf.now() : Date.now()); } } function endMeasure(instance, type) { if (instance.appContext.config.performance && isSupported()) { const startTag = `vue-${type}-${instance.uid}`; const endTag = startTag + `:end`; perf.mark(endTag); perf.measure(`<${formatComponentName(instance, instance.type)}> ${type}`, startTag, endTag); perf.clearMarks(startTag); perf.clearMarks(endTag); } if ((process.env.NODE_ENV !== 'production') || __VUE_PROD_DEVTOOLS__) { devtoolsPerfEnd(instance, type, supported ? perf.now() : Date.now()); } } function isSupported() { if (supported !== undefined) { return supported; } /* eslint-disable no-restricted-globals */ if (typeof window !== 'undefined' && window.performance) { supported = true; perf = window.performance; } else { supported = false; } /* eslint-enable no-restricted-globals */ return supported; } /** * This is only called in esm-bundler builds. * It is called when a renderer is created, in `baseCreateRenderer` so that * importing runtime-core is side-effects free. * * istanbul-ignore-next */ function initFeatureFlags() { let needWarn = false; if (typeof __VUE_OPTIONS_API__ !== 'boolean') { needWarn = true; getGlobalThis().__VUE_OPTIONS_API__ = true; } if (typeof __VUE_PROD_DEVTOOLS__ !== 'boolean') { needWarn = true; getGlobalThis().__VUE_PROD_DEVTOOLS__ = false; } if ((process.env.NODE_ENV !== 'production') && needWarn) { console.warn(`You are running the esm-bundler build of Vue. It is recommended to ` + `configure your bundler to explicitly replace feature flag globals ` + `with boolean literals to get proper tree-shaking in the final bundle. ` + `See http://link.vuejs.org/feature-flags for more details.`); } } const prodEffectOptions = { scheduler: queueJob, // #1801, #2043 component render effects should allow recursive updates allowRecurse: true }; function createDevEffectOptions(instance) { return { scheduler: queueJob, allowRecurse: true, onTrack: instance.rtc ? e => invokeArrayFns(instance.rtc, e) : void 0, onTrigger: instance.rtg ? e => invokeArrayFns(instance.rtg, e) : void 0 }; } const queuePostRenderEffect = queueEffectWithSuspense ; const setRef = (rawRef, oldRawRef, parentSuspense, vnode, isUnmount = 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; } const refValue = vnode.shapeFlag & 4 /* STATEFUL_COMPONENT */ ? vnode.component.exposed || vnode.component.proxy : vnode.el; const value = isUnmount ? null : refValue; const { i: owner, r: ref } = rawRef; if ((process.env.NODE_ENV !== 'production') && !owner) { warn(`Missing ref owner context. ref cannot be used on hoisted vnodes. ` + `A vnode with ref must be created inside the render function.`); return; } const oldRef = oldRawRef && oldRawRef.r; const refs = owner.refs === EMPTY_OBJ ? (owner.refs = {}) : owner.refs; const 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 (isString(ref)) { const doSet = () => { { refs[ref] = value; } if (hasOwn(setupState, ref)) { setupState[ref] = value; } }; // #1789: for non-null values, set them after render // null values means this is unmount and it should not overwrite another // ref with the same key if (value) { doSet.id = -1; queuePostRenderEffect(doSet, parentSuspense); } else { doSet(); } } else if (isRef(ref)) { const doSet = () => { ref.value = value; }; if (value) { doSet.id = -1; queuePostRenderEffect(doSet, parentSuspense); } else { doSet(); } } else if (isFunction(ref)) { callWithErrorHandling(ref, owner, 12 /* FUNCTION_REF */, [value, refs]); } else if ((process.env.NODE_ENV !== 'production')) { warn('Invalid template ref type:', value, `(${typeof value})`); } }; /** * 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({ * 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) { // compile-time feature flags check { initFeatureFlags(); } if ((process.env.NODE_ENV !== 'production') || __VUE_PROD_DEVTOOLS__) { const target = getGlobalThis(); target.__VUE__ = true; setDevtoolsHook(target.__VUE_DEVTOOLS_GLOBAL_HOOK__); } const { insert: hostInsert, remove: hostRemove, patchProp: hostPatchProp, forcePatchProp: hostForcePatchProp, 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. const patch = (n1, n2, container, anchor = null, parentComponent = null, parentSuspense = null, isSVG = false, slotScopeIds = null, optimized = false) => { // 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; } const { type, ref, shapeFlag } = n2; switch (type) { case Text: processText(n1, n2, container, anchor); break; case Comment$1: processCommentNode(n1, n2, container, anchor); break; case Static: if (n1 == null) { mountStaticNode(n2, container, anchor, isSVG); } else if ((process.env.NODE_ENV !== 'production')) { patchStaticNode(n1, n2, container, isSVG); } break; case Fragment: processFragment(n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized); break; default: if (shapeFlag & 1 /* ELEMENT */) { processElement(n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized); } else if (shapeFlag & 6 /* COMPONENT */) { processComponent(n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized); } else if (shapeFlag & 64 /* TELEPORT */) { type.process(n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized, internals); } else if (shapeFlag & 128 /* SUSPENSE */) { type.process(n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized, internals); } else if ((process.env.NODE_ENV !== 'production')) { warn('Invalid VNode type:', type, `(${typeof type})`); } } // set ref if (ref != null && parentComponent) { setRef(ref, n1 && n1.ref, parentSuspense, n2 || n1, !n2); } }; const processText = (n1, n2, container, anchor) => { if (n1 == null) { hostInsert((n2.el = hostCreateText(n2.children)), container, anchor); } else { const el = (n2.el = n1.el); if (n2.children !== n1.children) { hostSetText(el, n2.children); } } }; const 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; } }; const mountStaticNode = (n2, container, anchor, isSVG) => { [n2.el, n2.anchor] = hostInsertStaticContent(n2.children, container, anchor, isSVG); }; /** * Dev / HMR only */ const patchStaticNode = (n1, n2, container, isSVG) => { // static nodes are only patched during dev for HMR if (n2.children !== n1.children) { const anchor = hostNextSibling(n1.anchor); // remove existing removeStaticNode(n1); [n2.el, n2.anchor] = hostInsertStaticContent(n2.children, container, anchor, isSVG); } else { n2.el = n1.el; n2.anchor = n1.anchor; } }; const moveStaticNode = ({ el, anchor }, container, nextSibling) => { let next; while (el && el !== anchor) { next = hostNextSibling(el); hostInsert(el, container, nextSibling); el = next; } hostInsert(anchor, container, nextSibling); }; const removeStaticNode = ({ el, anchor }) => { let next; while (el && el !== anchor) { next = hostNextSibling(el); hostRemove(el); el = next; } hostRemove(anchor); }; const processElement = (n1, n2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized) => { isSVG = isSVG || n2.type === 'svg'; if (n1 == null) { mountElement(n2, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized); } else { patchElement(n1, n2, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized); } }; const mountElement = (vnode, container, anchor, parentComponent, parentSuspense, isSVG, slotScopeIds, optimized) => { let el; let vnodeHook; const { type, props, shapeFlag, transition, patchFlag, dirs } = vnode; if (!(process.env.NODE_ENV !== 'production') && 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. `