import { isSymbol, extend, isMap, isObject, toRawType, def, isArray, isString, isFunction, isPromise, toHandlerKey, remove, EMPTY_OBJ, camelize, capitalize, normalizeClass, normalizeStyle, isOn, NOOP, isGloballyWhitelisted, isIntegerKey, hasOwn, hasChanged, invokeArrayFns as invokeArrayFns$1, makeMap, isSet, NO, toNumber, hyphenate, isReservedProp, EMPTY_ARR, toTypeString } from '@vue/shared'; export { camelize } from '@vue/shared'; const invokeArrayFns = (fns, arg) => { let ret; for (let i = 0; i < fns.length; i++) { ret = fns[i](arg); } return ret; }; const ON_ERROR = 'onError'; 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 options.scheduler ? undefined : 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$1 = /*#__PURE__*/ createSetter(); const shallowSet = /*#__PURE__*/ createSetter(true); function createSetter(shallow = false) { return function set(target, key, value, receiver) { const oldValue = target[key]; if (!shallow) { value = toRaw(value); 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: set$1, deleteProperty, has, ownKeys }; const readonlyHandlers = { get: readonlyGet, set(target, key) { if ((process.env.NODE_ENV !== 'production')) { console.warn(`Set operation on key "${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)); } } 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$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$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$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 = false) { 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 : type; // fixed by xxxxxxx 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); } // fixed by xxxxxx function logError(err, type, contextVNode, throwInDev = true) { if ((process.env.NODE_ENV !== 'production')) { const info = ErrorTypeStrings[type] || type; // fixed by xxxxxx 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; // fixed by xxxxxx 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 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]); } 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]); } 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) { if ((process.env.NODE_ENV !== 'production')) { checkRecursiveUpdates(seen, job); } 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 || 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) { throw new Error(`Maximum recursive updates exceeded. ` + `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.`); } else { seen.set(fn, count + 1); } } } 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)) { 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 = `${modelArg === 'modelValue' ? 'model' : modelArg}Modifiers`; const { number, trim } = props[modifiersKey] || EMPTY_OBJ; if (trim) { args = rawArgs.map(a => a.trim()); } else if (number) { args = rawArgs.map(toNumber); } } if ((process.env.NODE_ENV !== 'production') || false) ; if ((process.env.NODE_ENV !== 'production')) { const lowerCaseEvent = event.toLowerCase(); if (lowerCaseEvent !== event && props[toHandlerKey(lowerCaseEvent)]) { warn(`Event "${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}".`); } } // convert handler name to camelCase. See issue #2249 let handlerName = toHandlerKey(camelize(event)); let handler = props[handlerName]; // for v-model update:xxx events, also trigger kebab-case equivalent // for props passed via kebab-case if (!handler && isModelListener) { handlerName = toHandlerKey(hyphenate(event)); handler = props[handlerName]; } if (handler) { callWithAsyncErrorHandling(handler, instance, 6 /* COMPONENT_EVENT_HANDLER */, args); } const onceHandler = props[handlerName + `Once`]; if (onceHandler) { if (!instance.emitted) { (instance.emitted = {})[handlerName] = true; } else if (instance.emitted[handlerName]) { return; } callWithAsyncErrorHandling(onceHandler, instance, 6 /* COMPONENT_EVENT_HANDLER */, args); } } function normalizeEmitsOptions(comp, appContext, asMixin = false) { if (!appContext.deopt && comp.__emits !== undefined) { return comp.__emits; } 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) { return (comp.__emits = null); } if (isArray(raw)) { raw.forEach(key => (normalized[key] = null)); } else { extend(normalized, raw); } return (comp.__emits = 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)); } let isRenderingCompiledSlot = 0; const setCompiledSlotRendering = (n) => (isRenderingCompiledSlot += n); /** * mark the current rendering instance for asset resolution (e.g. * resolveComponent, resolveDirective) during render */ let currentRenderingInstance = null; let currentScopeId = null; function markAttrsAccessed() { } function initProps(instance, rawProps, isStateful, // result of bitwise flag comparison isSSR = false) { const props = {}; const attrs = {}; // def(attrs, InternalObjectKey, 1) // fixed by xxxxxx def(attrs, '__vInternal', 1); instance.propsDefaults = Object.create(null); setFullProps(instance, rawProps, props, attrs); // 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 setFullProps(instance, rawProps, props, attrs) { const [options, needCastKeys] = instance.propsOptions; if (rawProps) { for (const key in rawProps) { const value = rawProps[key]; // key, ref are reserved and never passed down if (isReservedProp(key)) { continue; } // 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)))) { props[camelKey] = value; } else if (!isEmitListener(instance.emitsOptions, key)) { // Any non-declared (either as a prop or an emitted event) props are put // into a separate `attrs` object for spreading. Make sure to preserve // original key casing attrs[key] = value; } } } if (needCastKeys) { const rawCurrentProps = toRaw(props); for (let i = 0; i < needCastKeys.length; i++) { const key = needCastKeys[i]; props[key] = resolvePropValue(options, rawCurrentProps, key, rawCurrentProps[key], instance); } } } function resolvePropValue(options, props, key, value, instance) { 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(props); setCurrentInstance(null); } } else { value = defaultValue; } } // boolean casting if (opt[0 /* shouldCast */]) { if (!hasOwn(props, key) && !hasDefault) { value = false; } else if (opt[1 /* shouldCastTrue */] && (value === '' || value === hyphenate(key))) { value = true; } } } return value; } function normalizePropsOptions(comp, appContext, asMixin = false) { if (!appContext.deopt && comp.__props) { return comp.__props; } 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) { return (comp.__props = 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); } } } } } return (comp.__props = [normalized, needCastKeys]); } 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)) { for (let i = 0, len = expectedTypes.length; i < len; i++) { if (isSameType(expectedTypes[i], type)) { return i; } } } 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'); } 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().` + (``)); } } const createHook = (lifecycle) => (hook, target = currentInstance) => // post-create lifecycle registrations are noops during SSR !isInSSRComponentSetup && 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 onRenderTriggered = createHook("rtg" /* RENDER_TRIGGERED */); const onRenderTracked = createHook("rtc" /* RENDER_TRACKED */); const onErrorCaptured = (hook, target = currentInstance) => { injectHook("ec" /* ERROR_CAPTURED */, hook, target); }; // 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; if (isRef(source)) { getter = () => source.value; forceTrigger = !!source._shallow; } else if (isReactive(source)) { getter = () => source; deep = true; } else if (isArray(source)) { 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 */, [ instance && instance.proxy ]); } else { (process.env.NODE_ENV !== 'production') && warnInvalidSource(s); } }); } else if (isFunction(source)) { if (cb) { // getter with cb getter = () => callWithErrorHandling(source, instance, 2 /* WATCH_GETTER */, [ instance && instance.proxy ]); } 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 = isArray(source) ? [] : INITIAL_WATCHER_VALUE; const job = () => { if (!runner.active) { return; } if (cb) { // watch(source, cb) const newValue = runner(); if (deep || forceTrigger || hasChanged(newValue, oldValue)) { // 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; } 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, cb, options) { const publicThis = this.proxy; const getter = isString(source) ? () => publicThis[source] : source.bind(publicThis); return doWatch(getter, cb.bind(publicThis), options, this); } function traverse(value, seen = new Set()) { if (!isObject(value) || seen.has(value)) { 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 { for (const key in value) { traverse(value[key], seen); } } return value; } const isKeepAlive = (vnode) => vnode.type.__isKeepAlive; function onActivated(hook, target) { registerKeepAliveHook(hook, "a" /* ACTIVATED */, 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(); }); 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); } /** 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) { { (process.env.NODE_ENV !== 'production') && warn(`withDirectives can only be used inside render functions.`); return vnode; } } function createAppContext() { return { app: null, config: { isNativeTag: NO, performance: false, globalProperties: {}, optionMergeStrategies: {}, isCustomElement: NO, errorHandler: undefined, warnHandler: undefined }, mixins: [], components: {}, directives: {}, provides: Object.create(null) }; } let uid$1 = 0; // fixed by xxxxxx function createAppAPI() { 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(); // fixed by xxxxxx // let isMounted = false const app = (context.app = { _uid: uid$1++, _component: rootComponent, _props: rootProps, _container: null, _context: context, 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); // window mixin with props/emits de-optimizes props/emits // normalization caching. if (mixin.props || mixin.emits) { context.deopt = true; } } 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 "${name}" has already been registered in target app.`); } context.directives[name] = directive; return app; }, // fixed by xxxxxx mount() { }, // fixed by xxxxxx unmount() { }, provide(key, value) { if ((process.env.NODE_ENV !== 'production') && key in context.provides) { warn(`App already provides property with key "${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; }; } // implementation, close to no-op function defineComponent(options) { return isFunction(options) ? { setup: options, name: options.name } : options; } const queuePostRenderEffect = queuePostFlushCb; const isTeleport = (type) => type.__isTeleport; const COMPONENTS = 'components'; const DIRECTIVES = 'directives'; const NULL_DYNAMIC_COMPONENT = Symbol(); /** * @private */ function resolveDirective(name) { return resolveAsset(DIRECTIVES, name); } // implementation function resolveAsset(type, name, warnMissing = true, maybeSelfReference = false) { const instance = currentInstance; if (instance) { const Component = instance.type; // explicit self name has highest priority if (type === COMPONENTS) { const selfName = getComponentName(Component); if (selfName && (selfName === name || selfName === camelize(name) || selfName === capitalize(camelize(name)))) { return Component; } } const res = // local registration // check instance[type] first for components with mixin or extends. resolve(instance[type] || Component[type], name) || // window registration resolve(instance.appContext[type], name); if (!res && maybeSelfReference) { // fallback to implicit self-reference return Component; } if ((process.env.NODE_ENV !== 'production') && warnMissing && !res) { warn(`Failed to resolve ${type.slice(0, -1)}: ${name}`); } return res; } else if ((process.env.NODE_ENV !== 'production')) { warn(`resolve${capitalize(type.slice(0, -1))} ` + `can only be used in render() or setup().`); } } function resolve(registry, name) { return (registry && (registry[name] || registry[camelize(name)] || registry[capitalize(camelize(name))])); } const Fragment = Symbol((process.env.NODE_ENV !== 'production') ? 'Fragment' : undefined); const Text = Symbol((process.env.NODE_ENV !== 'production') ? 'Text' : undefined); const Comment = Symbol((process.env.NODE_ENV !== 'production') ? 'Comment' : undefined); Symbol((process.env.NODE_ENV !== 'production') ? 'Static' : undefined); let currentBlock = null; function isVNode(value) { return value ? value.__v_isVNode === true : false; } const createVNodeWithArgsTransform = (...args) => { return _createVNode(...(args)); }; const InternalObjectKey = `__vInternal`; const normalizeKey = ({ key }) => key != null ? key : null; const normalizeRef = ({ ref }) => { return (ref != null ? isString(ref) || isRef(ref) || isFunction(ref) ? { i: currentRenderingInstance, r: ref } : ref : null); }; const createVNode = ((process.env.NODE_ENV !== 'production') ? createVNodeWithArgsTransform : _createVNode); function _createVNode(type, props = null, children = null, patchFlag = 0, dynamicProps = null, isBlockNode = false) { if (!type || type === NULL_DYNAMIC_COMPONENT) { if ((process.env.NODE_ENV !== 'production') && !type) { warn(`Invalid vnode type when creating vnode: ${type}.`); } type = Comment; } if (isVNode(type)) { // createVNode receiving an existing vnode. This happens in cases like // // #2078 make sure to merge refs during the clone instead of overwriting it const cloned = cloneVNode(type, props, true /* mergeRef: true */); if (children) { normalizeChildren(cloned, children); } return cloned; } // class component normalization. if (isClassComponent(type)) { type = type.__vccOpts; } // class & style normalization. if (props) { // for reactive or proxy objects, we need to clone it to enable mutation. if (isProxy(props) || InternalObjectKey in props) { props = extend({}, props); } let { class: klass, style } = props; if (klass && !isString(klass)) { props.class = normalizeClass(klass); } if (isObject(style)) { // reactive state objects need to be cloned since they are likely to be // mutated if (isProxy(style) && !isArray(style)) { style = extend({}, style); } props.style = normalizeStyle(style); } } // encode the vnode type information into a bitmap const shapeFlag = isString(type) ? 1 /* ELEMENT */ : isTeleport(type) ? 64 /* TELEPORT */ : isObject(type) ? 4 /* STATEFUL_COMPONENT */ : isFunction(type) ? 2 /* FUNCTIONAL_COMPONENT */ : 0; if ((process.env.NODE_ENV !== 'production') && shapeFlag & 4 /* STATEFUL_COMPONENT */ && isProxy(type)) { type = toRaw(type); warn(`Vue received a Component which was made a reactive object. This can ` + `lead to unnecessary performance overhead, and should be avoided by ` + `marking the component with \`markRaw\` or using \`shallowRef\` ` + `instead of \`ref\`.`, `\nComponent that was made reactive: `, type); } const vnode = { __v_isVNode: true, ["__v_skip" /* SKIP */]: true, type, props, key: props && normalizeKey(props), ref: props && normalizeRef(props), scopeId: currentScopeId, slotScopeIds: null, children: null, component: null, suspense: null, ssContent: null, ssFallback: null, dirs: null, transition: null, el: null, anchor: null, target: null, targetAnchor: null, staticCount: 0, shapeFlag, patchFlag, dynamicProps, dynamicChildren: null, appContext: null }; // validate key if ((process.env.NODE_ENV !== 'production') && vnode.key !== vnode.key) { warn(`VNode created with invalid key (NaN). VNode type:`, vnode.type); } normalizeChildren(vnode, children); if (// avoid a block node from tracking itself !isBlockNode && // has current parent block currentBlock && // presence of a patch flag indicates this node needs patching on updates. // component nodes also should always be patched, because even if the // component doesn't need to update, it needs to persist the instance on to // the next vnode so that it can be properly unmounted later. (patchFlag > 0 || shapeFlag & 6 /* COMPONENT */) && // the EVENTS flag is only for hydration and if it is the only flag, the // vnode should not be considered dynamic due to handler caching. patchFlag !== 32 /* HYDRATE_EVENTS */) { currentBlock.push(vnode); } return vnode; } function cloneVNode(vnode, extraProps, mergeRef = false) { // This is intentionally NOT using spread or extend to avoid the runtime // key enumeration cost. const { props, ref, patchFlag, children } = vnode; const mergedProps = extraProps ? mergeProps(props || {}, extraProps) : props; return { __v_isVNode: true, ["__v_skip" /* SKIP */]: true, type: vnode.type, props: mergedProps, key: mergedProps && normalizeKey(mergedProps), ref: extraProps && extraProps.ref ? // #2078 in the case of // if the vnode itself already has a ref, cloneVNode will need to merge // the refs so the single vnode can be set on multiple refs mergeRef && ref ? isArray(ref) ? ref.concat(normalizeRef(extraProps)) : [ref, normalizeRef(extraProps)] : normalizeRef(extraProps) : ref, scopeId: vnode.scopeId, slotScopeIds: vnode.slotScopeIds, children: (process.env.NODE_ENV !== 'production') && patchFlag === -1 /* HOISTED */ && isArray(children) ? children.map(deepCloneVNode) : children, target: vnode.target, targetAnchor: vnode.targetAnchor, staticCount: vnode.staticCount, shapeFlag: vnode.shapeFlag, // if the vnode is cloned with extra props, we can no longer assume its // existing patch flag to be reliable and need to add the FULL_PROPS flag. // note: perserve flag for fragments since they use the flag for children // fast paths only. patchFlag: extraProps && vnode.type !== Fragment ? patchFlag === -1 // hoisted node ? 16 /* FULL_PROPS */ : patchFlag | 16 /* FULL_PROPS */ : patchFlag, dynamicProps: vnode.dynamicProps, dynamicChildren: vnode.dynamicChildren, appContext: vnode.appContext, dirs: vnode.dirs, transition: vnode.transition, // These should technically only be non-null on mounted VNodes. However, // they *should* be copied for kept-alive vnodes. So we just always copy // them since them being non-null during a mount doesn't affect the logic as // they will simply be overwritten. component: vnode.component, suspense: vnode.suspense, ssContent: vnode.ssContent && cloneVNode(vnode.ssContent), ssFallback: vnode.ssFallback && cloneVNode(vnode.ssFallback), el: vnode.el, anchor: vnode.anchor }; } /** * Dev only, for HMR of hoisted vnodes reused in v-for * https://github.com/vitejs/vite/issues/2022 */ function deepCloneVNode(vnode) { const cloned = cloneVNode(vnode); if (isArray(vnode.children)) { cloned.children = vnode.children.map(deepCloneVNode); } return cloned; } /** * @private */ function createTextVNode(text = ' ', flag = 0) { return createVNode(Text, null, text, flag); } function normalizeChildren(vnode, children) { let type = 0; const { shapeFlag } = vnode; if (children == null) { children = null; } else if (isArray(children)) { type = 16 /* ARRAY_CHILDREN */; } else if (typeof children === 'object') { if (shapeFlag & 1 /* ELEMENT */ || shapeFlag & 64 /* TELEPORT */) { // Normalize slot to plain children for plain element and Teleport const slot = children.default; if (slot) { // _c marker is added by withCtx() indicating this is a compiled slot slot._c && setCompiledSlotRendering(1); normalizeChildren(vnode, slot()); slot._c && setCompiledSlotRendering(-1); } return; } else { type = 32 /* SLOTS_CHILDREN */; const slotFlag = children._; if (!slotFlag && !(InternalObjectKey in children)) { children._ctx = currentRenderingInstance; } else if (slotFlag === 3 /* FORWARDED */ && currentRenderingInstance) { // a child component receives forwarded slots from the parent. // its slot type is determined by its parent's slot type. if (currentRenderingInstance.vnode.patchFlag & 1024 /* DYNAMIC_SLOTS */) { children._ = 2 /* DYNAMIC */; vnode.patchFlag |= 1024 /* DYNAMIC_SLOTS */; } else { children._ = 1 /* STABLE */; } } } } else if (isFunction(children)) { children = { default: children, _ctx: currentRenderingInstance }; type = 32 /* SLOTS_CHILDREN */; } else { children = String(children); // force teleport children to array so it can be moved around if (shapeFlag & 64 /* TELEPORT */) { type = 16 /* ARRAY_CHILDREN */; children = [createTextVNode(children)]; } else { type = 8 /* TEXT_CHILDREN */; } } vnode.children = children; vnode.shapeFlag |= type; } function mergeProps(...args) { const ret = extend({}, args[0]); for (let i = 1; i < args.length; i++) { const toMerge = args[i]; for (const key in toMerge) { if (key === 'class') { if (ret.class !== toMerge.class) { ret.class = normalizeClass([ret.class, toMerge.class]); } } else if (key === 'style') { ret.style = normalizeStyle([ret.style, toMerge.style]); } else if (isOn(key)) { const existing = ret[key]; const incoming = toMerge[key]; if (existing !== incoming) { ret[key] = existing ? [].concat(existing, toMerge[key]) : incoming; } } else if (key !== '') { ret[key] = toMerge[key]; } } } return ret; } 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() : 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.`); } } 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$1(instance, options, deferredData = [], deferredWatch = [], deferredProvide = [], asMixin = false) { const { // composition mixins, extends: extendsOptions, // state data: dataOptions, computed: computedOptions, methods, watch: watchOptions, provide: provideOptions, inject: injectOptions, // assets components, directives, // lifecycle beforeMount, mounted, beforeUpdate, updated, activated, deactivated, beforeDestroy, beforeUnmount, destroyed, unmounted, render, renderTracked, renderTriggered, errorCaptured, // public API expose } = options; const publicThis = instance.proxy; const ctx = instance.ctx; const globalMixins = instance.appContext.mixins; if (asMixin && render && instance.render === NOOP) { instance.render = render; } // applyOptions is called non-as-mixin once per instance if (!asMixin) { shouldCacheAccess = false; callSyncHook('beforeCreate', "bc" /* BEFORE_CREATE */, options, instance, globalMixins); shouldCacheAccess = true; // window mixins are applied first applyMixins(instance, globalMixins, deferredData, deferredWatch, deferredProvide); } // extending a base component... if (extendsOptions) { applyOptions$1(instance, extendsOptions, deferredData, deferredWatch, deferredProvide, true); } // local mixins if (mixins) { applyMixins(instance, mixins, deferredData, deferredWatch, deferredProvide); } 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) // fixed by xxxxxx if (!__VUE_CREATED_DEFERRED__ && injectOptions) { if (isArray(injectOptions)) { for (let i = 0; i < injectOptions.length; i++) { const key = injectOptions[i]; ctx[key] = inject(key); if ((process.env.NODE_ENV !== 'production')) { checkDuplicateProperties("Inject" /* INJECT */, key); } } } else { for (const key in injectOptions) { const opt = injectOptions[key]; if (isObject(opt)) { ctx[key] = inject(opt.from || key, opt.default, true /* treat default function as factory */); } else { ctx[key] = inject(opt); } if ((process.env.NODE_ENV !== 'production')) { checkDuplicateProperties("Inject" /* INJECT */, key); } } } } 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 "${typeof methodHandler}" in the component definition. ` + `Did you reference the function correctly?`); } } } if (!asMixin) { if (deferredData.length) { deferredData.forEach(dataFn => resolveData(instance, dataFn, publicThis)); } if (dataOptions) { // @ts-ignore dataOptions is not fully type safe resolveData(instance, dataOptions, publicThis); } if ((process.env.NODE_ENV !== 'production')) { const rawData = toRaw(instance.data); for (const key in rawData) { checkDuplicateProperties("Data" /* DATA */, key); // expose data on ctx during dev if (key[0] !== '$' && key[0] !== '_') { Object.defineProperty(ctx, key, { configurable: true, enumerable: true, get: () => rawData[key], set: NOOP }); } } } } else if (dataOptions) { deferredData.push(dataOptions); } 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$1({ get, set }); Object.defineProperty(ctx, key, { enumerable: true, configurable: true, get: () => c.value, set: v => (c.value = v) }); if ((process.env.NODE_ENV !== 'production')) { checkDuplicateProperties("Computed" /* COMPUTED */, key); } } } if (watchOptions) { deferredWatch.push(watchOptions); } if (!asMixin && deferredWatch.length) { deferredWatch.forEach(watchOptions => { for (const key in watchOptions) { createWatcher(watchOptions[key], ctx, publicThis, key); } }); } // fixed by xxxxxx if (!__VUE_CREATED_DEFERRED__) { if (provideOptions) { deferredProvide.push(provideOptions); } if (!asMixin && deferredProvide.length) { deferredProvide.forEach(provideOptions => { const provides = isFunction(provideOptions) ? provideOptions.call(publicThis) : provideOptions; Reflect.ownKeys(provides).forEach(key => { provide(key, provides[key]); }); }); } } // asset options. // To reduce memory usage, only components with mixins or extends will have // resolved asset registry attached to instance. if (asMixin) { if (components) { extend(instance.components || (instance.components = extend({}, instance.type.components)), components); } if (directives) { extend(instance.directives || (instance.directives = extend({}, instance.type.directives)), directives); } } // fixed by xxxxxx // lifecycle options if (__VUE_CREATED_DEFERRED__) { ctx.$callSyncHook = function (name) { return callSyncHook(name, "c" /* CREATED */, options, instance, globalMixins); }; } else if (!asMixin) { callSyncHook('created', "c" /* CREATED */, options, instance, globalMixins); } if (beforeMount) { onBeforeMount(beforeMount.bind(publicThis)); } if (mounted) { onMounted(mounted.bind(publicThis)); } if (beforeUpdate) { onBeforeUpdate(beforeUpdate.bind(publicThis)); } if (updated) { onUpdated(updated.bind(publicThis)); } if (activated) { onActivated(activated.bind(publicThis)); } if (deactivated) { onDeactivated(deactivated.bind(publicThis)); } if (errorCaptured) { onErrorCaptured(errorCaptured.bind(publicThis)); } if (renderTracked) { onRenderTracked(renderTracked.bind(publicThis)); } if (renderTriggered) { onRenderTriggered(renderTriggered.bind(publicThis)); } if ((process.env.NODE_ENV !== 'production') && beforeDestroy) { warn(`\`beforeDestroy\` has been renamed to \`beforeUnmount\`.`); } if (beforeUnmount) { onBeforeUnmount(beforeUnmount.bind(publicThis)); } if ((process.env.NODE_ENV !== 'production') && destroyed) { warn(`\`destroyed\` has been renamed to \`unmounted\`.`); } if (unmounted) { onUnmounted(unmounted.bind(publicThis)); } if (isArray(expose)) { if (!asMixin) { 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; } } else if ((process.env.NODE_ENV !== 'production')) { warn(`The \`expose\` option is ignored when used in mixins.`); } } // fixed by xxxxxx if (instance.ctx.$onApplyOptions) { instance.ctx.$onApplyOptions(options, instance, publicThis); } } function callSyncHook(name, type, options, instance, globalMixins) { for (let i = 0; i < globalMixins.length; i++) { callHookWithMixinAndExtends(name, type, globalMixins[i], instance); } callHookWithMixinAndExtends(name, type, options, instance); } function callHookWithMixinAndExtends(name, type, options, instance) { const { extends: base, mixins } = options; const selfHook = options[name]; if (base) { callHookWithMixinAndExtends(name, type, base, instance); } if (mixins) { for (let i = 0; i < mixins.length; i++) { callHookWithMixinAndExtends(name, type, mixins[i], instance); } } if (selfHook) { callWithAsyncErrorHandling(selfHook.bind(instance.proxy), instance, type); } } function applyMixins(instance, mixins, deferredData, deferredWatch, deferredProvide) { for (let i = 0; i < mixins.length; i++) { applyOptions$1(instance, mixins[i], deferredData, deferredWatch, deferredProvide, true); } } function resolveData(instance, dataFn, publicThis) { if ((process.env.NODE_ENV !== 'production') && !isFunction(dataFn)) { warn(`The data option must be a function. ` + `Plain object usage is no longer supported.`); } shouldCacheAccess = false; const data = dataFn.call(publicThis, publicThis); shouldCacheAccess = true; if ((process.env.NODE_ENV !== 'production') && isPromise(data)) { warn(`data() returned a Promise - note data() cannot be async; If you ` + `intend to perform data fetching before component renders, use ` + `async setup() + .`); } if (!isObject(data)) { (process.env.NODE_ENV !== 'production') && warn(`data() should return an object.`); } else if (instance.data === EMPTY_OBJ) { instance.data = reactive(data); } else { // existing data: this is a mixin or extends. extend(instance.data, data); } } function createWatcher(raw, ctx, publicThis, key) { const getter = key.includes('.') ? createPathGetter(publicThis, key) : () => publicThis[key]; if (isString(raw)) { const handler = ctx[raw]; if (isFunction(handler)) { watch(getter, handler); } else if ((process.env.NODE_ENV !== 'production')) { warn(`Invalid watch handler specified by key "${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); } } 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 resolveMergedOptions(instance) { const raw = instance.type; const { __merged, mixins, extends: extendsOptions } = raw; if (__merged) return __merged; const globalMixins = instance.appContext.mixins; if (!globalMixins.length && !mixins && !extendsOptions) return raw; const options = {}; globalMixins.forEach(m => mergeOptions(options, m, instance)); mergeOptions(options, raw, instance); return (raw.__merged = options); } function mergeOptions(to, from, instance) { const strats = instance.appContext.config.optionMergeStrategies; const { mixins, extends: extendsOptions } = from; extendsOptions && mergeOptions(to, extendsOptions, instance); mixins && mixins.forEach((m) => mergeOptions(to, m, instance)); for (const key in from) { if (strats && hasOwn(strats, key)) { to[key] = strats[key](to[key], from[key], instance.proxy, key); } else { to[key] = from[key]; } } } /** * #2437 In Vue 3, functional components do not have a public instance proxy but * they exist in the internal parent chain. For code that relies on traversing * public $parent chains, skip functional ones and go to the parent instead. */ const getPublicInstance = (i) => { if (!i) return null; if (isStatefulComponent(i)) return i.exposed ? i.exposed : i.proxy; return getPublicInstance(i.parent); }; const publicPropertiesMap = extend(Object.create(null), { $: i => i, $el: i => i.vnode.el, $data: i => i.data, $props: i => ((process.env.NODE_ENV !== 'production') ? shallowReadonly(i.props) : i.props), $attrs: i => ((process.env.NODE_ENV !== 'production') ? shallowReadonly(i.attrs) : i.attrs), $slots: i => ((process.env.NODE_ENV !== 'production') ? shallowReadonly(i.slots) : i.slots), $refs: i => ((process.env.NODE_ENV !== 'production') ? shallowReadonly(i.refs) : i.refs), $parent: i => getPublicInstance(i.parent), $root: i => getPublicInstance(i.root), $emit: i => i.emit, $options: i => (__VUE_OPTIONS_API__ ? resolveMergedOptions(i) : i.type), $forceUpdate: i => () => queueJob(i.update), // $nextTick: i => nextTick.bind(i.proxy!), // fixed by xxxxxx $watch: i => (__VUE_OPTIONS_API__ ? instanceWatch.bind(i) : NOOP) }); const PublicInstanceProxyHandlers = { get({ _: instance }, key) { const { ctx, setupState, data, props, accessCache, type, appContext } = instance; // let @vue/reactivity know it should never observe Vue public instances. if (key === "__v_skip" /* SKIP */) { return true; } // for internal formatters to know that this is a Vue instance if ((process.env.NODE_ENV !== 'production') && key === '__isVue') { return true; } // data / props / ctx // This getter gets called for every property access on the render context // during render and is a major hotspot. The most expensive part of this // is the multiple hasOwn() calls. It's much faster to do a simple property // access on a plain object, so we use an accessCache object (with null // prototype) to memoize what access type a key corresponds to. let normalizedProps; if (key[0] !== '$') { const n = accessCache[key]; if (n !== undefined) { switch (n) { case 0 /* SETUP */: return setupState[key]; case 1 /* DATA */: return data[key]; case 3 /* CONTEXT */: return ctx[key]; case 2 /* PROPS */: return props[key]; // default: just fallthrough } } else if (setupState !== EMPTY_OBJ && hasOwn(setupState, key)) { accessCache[key] = 0 /* SETUP */; return setupState[key]; } else if (data !== EMPTY_OBJ && hasOwn(data, key)) { accessCache[key] = 1 /* DATA */; return data[key]; } else if ( // only cache other properties when instance has declared (thus stable) // props (normalizedProps = instance.propsOptions[0]) && hasOwn(normalizedProps, key)) { accessCache[key] = 2 /* PROPS */; return props[key]; } else if (ctx !== EMPTY_OBJ && hasOwn(ctx, key)) { accessCache[key] = 3 /* CONTEXT */; return ctx[key]; } else if (!__VUE_OPTIONS_API__ || shouldCacheAccess) { accessCache[key] = 4 /* OTHER */; } } const publicGetter = publicPropertiesMap[key]; let cssModule, globalProperties; // public $xxx properties if (publicGetter) { if (key === '$attrs') { track(instance, "get" /* GET */, key); (process.env.NODE_ENV !== 'production') && markAttrsAccessed(); } return publicGetter(instance); } else if ( // css module (injected by vue-loader) (cssModule = type.__cssModules) && (cssModule = cssModule[key])) { return cssModule; } else if (ctx !== EMPTY_OBJ && hasOwn(ctx, key)) { // user may set custom properties to `this` that start with `$` accessCache[key] = 3 /* CONTEXT */; return ctx[key]; } else if ( // window properties ((globalProperties = appContext.config.globalProperties), hasOwn(globalProperties, key))) { return globalProperties[key]; } else if ((process.env.NODE_ENV !== 'production') && currentRenderingInstance && (!isString(key) || // #1091 avoid internal isRef/isVNode checks on component instance leading // to infinite warning loop key.indexOf('__v') !== 0)) { if (data !== EMPTY_OBJ && (key[0] === '$' || key[0] === '_') && hasOwn(data, key)) { warn(`Property ${JSON.stringify(key)} must be accessed via $data because it starts with a reserved ` + `character ("$" or "_") and is not proxied on the render context.`); } else if (instance === currentRenderingInstance) { warn(`Property ${JSON.stringify(key)} was accessed during render ` + `but is not defined on instance.`); } } }, set({ _: instance }, key, value) { const { data, setupState, ctx } = instance; if (setupState !== EMPTY_OBJ && hasOwn(setupState, key)) { setupState[key] = value; } else if (data !== EMPTY_OBJ && hasOwn(data, key)) { data[key] = value; } else if (hasOwn(instance.props, key)) { (process.env.NODE_ENV !== 'production') && warn(`Attempting to mutate prop "${key}". Props are readonly.`, instance); return false; } if (key[0] === '$' && key.slice(1) in instance) { (process.env.NODE_ENV !== 'production') && warn(`Attempting to mutate public property "${key}". ` + `Properties starting with $ are reserved and readonly.`, instance); return false; } else { if ((process.env.NODE_ENV !== 'production') && key in instance.appContext.config.globalProperties) { Object.defineProperty(ctx, key, { enumerable: true, configurable: true, value }); } else { ctx[key] = value; } } return true; }, has({ _: { data, setupState, accessCache, ctx, appContext, propsOptions } }, key) { let normalizedProps; return (accessCache[key] !== undefined || (data !== EMPTY_OBJ && hasOwn(data, key)) || (setupState !== EMPTY_OBJ && hasOwn(setupState, key)) || ((normalizedProps = propsOptions[0]) && hasOwn(normalizedProps, key)) || hasOwn(ctx, key) || hasOwn(publicPropertiesMap, key) || hasOwn(appContext.config.globalProperties, key)); } }; if ((process.env.NODE_ENV !== 'production') && !false) { PublicInstanceProxyHandlers.ownKeys = (target) => { warn(`Avoid app logic that relies on enumerating keys on a component instance. ` + `The keys will be empty in production mode to avoid performance overhead.`); return Reflect.ownKeys(target); }; } const RuntimeCompiledPublicInstanceProxyHandlers = extend({}, PublicInstanceProxyHandlers, { get(target, key) { // fast path for unscopables when using `with` block if (key === Symbol.unscopables) { return; } return PublicInstanceProxyHandlers.get(target, key, target); }, has(_, key) { const has = key[0] !== '_' && !isGloballyWhitelisted(key); if ((process.env.NODE_ENV !== 'production') && !has && PublicInstanceProxyHandlers.has(_, key)) { warn(`Property ${JSON.stringify(key)} should not start with _ which is a reserved prefix for Vue internals.`); } return has; } }); // In dev mode, the proxy target exposes the same properties as seen on `this` // for easier console inspection. In prod mode it will be an empty object so // these properties definitions can be skipped. function createRenderContext(instance) { const target = {}; // expose internal instance for proxy handlers Object.defineProperty(target, `_`, { configurable: true, enumerable: false, get: () => instance }); // expose public properties Object.keys(publicPropertiesMap).forEach(key => { Object.defineProperty(target, key, { configurable: true, enumerable: false, get: () => publicPropertiesMap[key](instance), // intercepted by the proxy so no need for implementation, // but needed to prevent set errors set: NOOP }); }); // expose window properties const { globalProperties } = instance.appContext.config; Object.keys(globalProperties).forEach(key => { Object.defineProperty(target, key, { configurable: true, enumerable: false, get: () => globalProperties[key], set: NOOP }); }); return target; } // dev only function exposePropsOnRenderContext(instance) { const { ctx, propsOptions: [propsOptions] } = instance; if (propsOptions) { Object.keys(propsOptions).forEach(key => { Object.defineProperty(ctx, key, { enumerable: true, configurable: true, get: () => instance.props[key], set: NOOP }); }); } } // dev only function exposeSetupStateOnRenderContext(instance) { const { ctx, setupState } = instance; Object.keys(toRaw(setupState)).forEach(key => { if (key[0] === '$' || key[0] === '_') { warn(`setup() return property ${JSON.stringify(key)} should not start with "$" or "_" ` + `which are reserved prefixes for Vue internals.`); return; } Object.defineProperty(ctx, key, { enumerable: true, configurable: true, get: () => setupState[key], set: NOOP }); }); } const emptyAppContext = createAppContext(); let uid$2 = 0; function createComponentInstance(vnode, parent, suspense) { const type = vnode.type; // inherit parent app context - or - if root, adopt from root vnode const appContext = (parent ? parent.appContext : vnode.appContext) || emptyAppContext; const instance = { uid: uid$2++, vnode, type, parent, appContext, root: null, next: null, subTree: null, update: null, render: null, proxy: null, exposed: null, withProxy: null, effects: null, provides: parent ? parent.provides : Object.create(appContext.provides), accessCache: null, renderCache: [], // local resovled assets components: null, directives: null, // resolved props and emits options propsOptions: normalizePropsOptions(type, appContext), emitsOptions: normalizeEmitsOptions(type, appContext), // emit emit: null, emitted: null, // props default value propsDefaults: EMPTY_OBJ, // state ctx: EMPTY_OBJ, data: EMPTY_OBJ, props: EMPTY_OBJ, attrs: EMPTY_OBJ, slots: EMPTY_OBJ, refs: EMPTY_OBJ, setupState: EMPTY_OBJ, setupContext: null, // suspense related suspense, suspenseId: suspense ? suspense.pendingId : 0, asyncDep: null, asyncResolved: false, // lifecycle hooks // not using enums here because it results in computed properties isMounted: false, isUnmounted: false, isDeactivated: false, bc: null, c: null, bm: null, m: null, bu: null, u: null, um: null, bum: null, da: null, a: null, rtg: null, rtc: null, ec: null }; if ((process.env.NODE_ENV !== 'production')) { instance.ctx = createRenderContext(instance); } else { instance.ctx = { _: instance }; } instance.root = parent ? parent.root : instance; instance.emit = emit.bind(null, instance); return instance; } let currentInstance = null; const getCurrentInstance = () => currentInstance || currentRenderingInstance; const setCurrentInstance = (instance) => { currentInstance = instance; }; const isBuiltInTag = /*#__PURE__*/ makeMap('slot,component'); function validateComponentName(name, config) { const appIsNativeTag = config.isNativeTag || NO; if (isBuiltInTag(name) || appIsNativeTag(name)) { warn('Do not use built-in or reserved HTML elements as component id: ' + name); } } function isStatefulComponent(instance) { return instance.vnode.shapeFlag & 4 /* STATEFUL_COMPONENT */; } let isInSSRComponentSetup = false; function setupComponent(instance, isSSR = false) { isInSSRComponentSetup = isSSR; const { props /*, children*/ } = instance.vnode; const isStateful = isStatefulComponent(instance); initProps(instance, props, isStateful, isSSR); // initSlots(instance, children) // fixed by xxxxxx const setupResult = isStateful ? setupStatefulComponent(instance, isSSR) : undefined; isInSSRComponentSetup = false; return setupResult; } function setupStatefulComponent(instance, isSSR) { const Component = instance.type; if ((process.env.NODE_ENV !== 'production')) { if (Component.name) { validateComponentName(Component.name, instance.appContext.config); } if (Component.components) { const names = Object.keys(Component.components); for (let i = 0; i < names.length; i++) { validateComponentName(names[i], instance.appContext.config); } } if (Component.directives) { const names = Object.keys(Component.directives); for (let i = 0; i < names.length; i++) { validateDirectiveName(names[i]); } } } // 0. create render proxy property access cache instance.accessCache = Object.create(null); // 1. create public instance / render proxy // also mark it raw so it's never observed instance.proxy = new Proxy(instance.ctx, PublicInstanceProxyHandlers); if ((process.env.NODE_ENV !== 'production')) { exposePropsOnRenderContext(instance); } // 2. call setup() const { setup } = Component; if (setup) { const setupContext = (instance.setupContext = setup.length > 1 ? createSetupContext(instance) : null); currentInstance = instance; pauseTracking(); const setupResult = callWithErrorHandling(setup, instance, 0 /* SETUP_FUNCTION */, [(process.env.NODE_ENV !== 'production') ? shallowReadonly(instance.props) : instance.props, setupContext]); resetTracking(); currentInstance = null; if (isPromise(setupResult)) { if (isSSR) { // return the promise so server-renderer can wait on it return setupResult .then((resolvedResult) => { handleSetupResult(instance, resolvedResult, isSSR); }) .catch(e => { handleError(e, instance, 0 /* SETUP_FUNCTION */); }); } else if ((process.env.NODE_ENV !== 'production')) { warn(`setup() returned a Promise, but the version of Vue you are using ` + `does not support it yet.`); } } else { handleSetupResult(instance, setupResult, isSSR); } } else { finishComponentSetup(instance, isSSR); } } function handleSetupResult(instance, setupResult, isSSR) { if (isFunction(setupResult)) { // setup returned an inline render function { instance.render = setupResult; } } else if (isObject(setupResult)) { if ((process.env.NODE_ENV !== 'production') && isVNode(setupResult)) { warn(`setup() should not return VNodes directly - ` + `return a render function instead.`); } // setup returned bindings. // assuming a render function compiled from template is present. if ((process.env.NODE_ENV !== 'production') || false) { instance.devtoolsRawSetupState = setupResult; } instance.setupState = proxyRefs(setupResult); if ((process.env.NODE_ENV !== 'production')) { exposeSetupStateOnRenderContext(instance); } } else if ((process.env.NODE_ENV !== 'production') && setupResult !== undefined) { warn(`setup() should return an object. Received: ${setupResult === null ? 'null' : typeof setupResult}`); } finishComponentSetup(instance, isSSR); } function finishComponentSetup(instance, isSSR) { const Component = instance.type; // template / render function normalization if (!instance.render) { instance.render = (Component.render || NOOP); // for runtime-compiled render functions using `with` blocks, the render // proxy used needs a different `has` handler which is more performant and // also only allows a whitelist of globals to fallthrough. if (instance.render._rc) { instance.withProxy = new Proxy(instance.ctx, RuntimeCompiledPublicInstanceProxyHandlers); } } // support for 2.x options if (__VUE_OPTIONS_API__) { currentInstance = instance; pauseTracking(); applyOptions$1(instance, Component); resetTracking(); currentInstance = null; } // warn missing template/render // the runtime compilation of template in SSR is done by server-render if ((process.env.NODE_ENV !== 'production') && !Component.render && instance.render === NOOP && !isSSR) { /* istanbul ignore if */ if (Component.template) { warn(`Component provided template option but ` + `runtime compilation is not supported in this build of Vue.` + (` Configure your bundler to alias "vue" to "vue/dist/vue.esm-bundler.js".` ) /* should not happen */); } else { warn(`Component is missing template or render function.`); } } } const attrHandlers = { get: (target, key) => { if ((process.env.NODE_ENV !== 'production')) ; return target[key]; }, set: () => { warn(`setupContext.attrs is readonly.`); return false; }, deleteProperty: () => { warn(`setupContext.attrs is readonly.`); return false; } }; function createSetupContext(instance) { const expose = exposed => { if ((process.env.NODE_ENV !== 'production') && instance.exposed) { warn(`expose() should be called only once per setup().`); } instance.exposed = proxyRefs(exposed); }; if ((process.env.NODE_ENV !== 'production')) { // We use getters in dev in case libs like test-utils overwrite instance // properties (overwrites should not be done in prod) return Object.freeze({ get attrs() { return new Proxy(instance.attrs, attrHandlers); }, get slots() { return shallowReadonly(instance.slots); }, get emit() { return (event, ...args) => instance.emit(event, ...args); }, expose }); } else { return { attrs: instance.attrs, slots: instance.slots, emit: instance.emit, expose }; } } // record effects created during a component's setup() so that they can be // stopped when the component unmounts function recordInstanceBoundEffect(effect, instance = currentInstance) { if (instance) { (instance.effects || (instance.effects = [])).push(effect); } } const classifyRE = /(?:^|[-_])(\w)/g; const classify = (str) => str.replace(classifyRE, c => c.toUpperCase()).replace(/[-_]/g, ''); function getComponentName(Component) { return isFunction(Component) ? Component.displayName || Component.name : Component.name; } /* istanbul ignore next */ function formatComponentName(instance, Component, isRoot = false) { let name = getComponentName(Component); if (!name && Component.__file) { const match = Component.__file.match(/([^/\\]+)\.\w+$/); if (match) { name = match[1]; } } if (!name && instance && instance.parent) { // try to infer the name based on reverse resolution const inferFromRegistry = (registry) => { for (const key in registry) { if (registry[key] === Component) { return key; } } }; name = inferFromRegistry(instance.components || instance.parent.type.components) || inferFromRegistry(instance.appContext.components); } return name ? classify(name) : isRoot ? `App` : `Anonymous`; } function isClassComponent(value) { return isFunction(value) && '__vccOpts' in value; } function computed$1(getterOrOptions) { const c = computed(getterOrOptions); recordInstanceBoundEffect(c.effect); return c; } // implementation function defineProps() { if ((process.env.NODE_ENV !== 'production')) { warn(`defineProps() is a compiler-hint helper that is only usable inside ` + `