/*!
* Vue.js v2.7.16
* (c) 2014-2023 Evan You
* Released under the MIT License.
*/
'use strict';
const emptyObject = Object.freeze({});
const isArray = Array.isArray;
// These helpers produce better VM code in JS engines due to their
// explicitness and function inlining.
function isUndef(v) {
return v === undefined || v === null;
}
function isDef(v) {
return v !== undefined && v !== null;
}
function isTrue(v) {
return v === true;
}
function isFalse(v) {
return v === false;
}
/**
* Check if value is primitive.
*/
function isPrimitive(value) {
return (typeof value === 'string' ||
typeof value === 'number' ||
// $flow-disable-line
typeof value === 'symbol' ||
typeof value === 'boolean');
}
function isFunction(value) {
return typeof value === 'function';
}
/**
* Quick object check - this is primarily used to tell
* objects from primitive values when we know the value
* is a JSON-compliant type.
*/
function isObject(obj) {
return obj !== null && typeof obj === 'object';
}
/**
* Get the raw type string of a value, e.g., [object Object].
*/
const _toString = Object.prototype.toString;
function toRawType(value) {
return _toString.call(value).slice(8, -1);
}
/**
* Strict object type check. Only returns true
* for plain JavaScript objects.
*/
function isPlainObject(obj) {
return _toString.call(obj) === '[object Object]';
}
function isRegExp(v) {
return _toString.call(v) === '[object RegExp]';
}
/**
* Check if val is a valid array index.
*/
function isValidArrayIndex(val) {
const n = parseFloat(String(val));
return n >= 0 && Math.floor(n) === n && isFinite(val);
}
function isPromise(val) {
return (isDef(val) &&
typeof val.then === 'function' &&
typeof val.catch === 'function');
}
/**
* Convert a value to a string that is actually rendered.
*/
function toString(val) {
return val == null
? ''
: Array.isArray(val) || (isPlainObject(val) && val.toString === _toString)
? JSON.stringify(val, replacer, 2)
: String(val);
}
function replacer(_key, val) {
// avoid circular deps from v3
if (val && val.__v_isRef) {
return val.value;
}
return val;
}
/**
* Convert an input value to a number for persistence.
* If the conversion fails, return original string.
*/
function toNumber(val) {
const n = parseFloat(val);
return isNaN(n) ? val : n;
}
/**
* Make a map and return a function for checking if a key
* is in that map.
*/
function makeMap(str, expectsLowerCase) {
const map = Object.create(null);
const list = str.split(',');
for (let i = 0; i < list.length; i++) {
map[list[i]] = true;
}
return expectsLowerCase ? val => map[val.toLowerCase()] : val => map[val];
}
/**
* Check if a tag is a built-in tag.
*/
const isBuiltInTag = makeMap('slot,component', true);
/**
* Check if an attribute is a reserved attribute.
*/
const isReservedAttribute = makeMap('key,ref,slot,slot-scope,is');
/**
* Remove an item from an array.
*/
function remove$2(arr, item) {
const len = arr.length;
if (len) {
// fast path for the only / last item
if (item === arr[len - 1]) {
arr.length = len - 1;
return;
}
const index = arr.indexOf(item);
if (index > -1) {
return arr.splice(index, 1);
}
}
}
/**
* Check whether an object has the property.
*/
const hasOwnProperty = Object.prototype.hasOwnProperty;
function hasOwn(obj, key) {
return hasOwnProperty.call(obj, key);
}
/**
* Create a cached version of a pure function.
*/
function cached(fn) {
const cache = Object.create(null);
return function cachedFn(str) {
const hit = cache[str];
return hit || (cache[str] = fn(str));
};
}
/**
* Camelize a hyphen-delimited string.
*/
const camelizeRE = /-(\w)/g;
const camelize = cached((str) => {
return str.replace(camelizeRE, (_, c) => (c ? c.toUpperCase() : ''));
});
/**
* Capitalize a string.
*/
const capitalize = cached((str) => {
return str.charAt(0).toUpperCase() + str.slice(1);
});
/**
* Hyphenate a camelCase string.
*/
const hyphenateRE = /\B([A-Z])/g;
const hyphenate = cached((str) => {
return str.replace(hyphenateRE, '-$1').toLowerCase();
});
/**
* Simple bind polyfill for environments that do not support it,
* e.g., PhantomJS 1.x. Technically, we don't need this anymore
* since native bind is now performant enough in most browsers.
* But removing it would mean breaking code that was able to run in
* PhantomJS 1.x, so this must be kept for backward compatibility.
*/
/* istanbul ignore next */
function polyfillBind(fn, ctx) {
function boundFn(a) {
const l = arguments.length;
return l
? l > 1
? fn.apply(ctx, arguments)
: fn.call(ctx, a)
: fn.call(ctx);
}
boundFn._length = fn.length;
return boundFn;
}
function nativeBind(fn, ctx) {
return fn.bind(ctx);
}
// @ts-expect-error bind cannot be `undefined`
const bind = Function.prototype.bind ? nativeBind : polyfillBind;
/**
* Convert an Array-like object to a real Array.
*/
function toArray(list, start) {
start = start || 0;
let i = list.length - start;
const ret = new Array(i);
while (i--) {
ret[i] = list[i + start];
}
return ret;
}
/**
* Mix properties into target object.
*/
function extend(to, _from) {
for (const key in _from) {
to[key] = _from[key];
}
return to;
}
/**
* Merge an Array of Objects into a single Object.
*/
function toObject(arr) {
const res = {};
for (let i = 0; i < arr.length; i++) {
if (arr[i]) {
extend(res, arr[i]);
}
}
return res;
}
/* eslint-disable no-unused-vars */
/**
* Perform no operation.
* Stubbing args to make Flow happy without leaving useless transpiled code
* with ...rest (https://flow.org/blog/2017/05/07/Strict-Function-Call-Arity/).
*/
function noop(a, b, c) { }
/**
* Always return false.
*/
const no = (a, b, c) => false;
/* eslint-enable no-unused-vars */
/**
* Return the same value.
*/
const identity = (_) => _;
/**
* Check if two values are loosely equal - that is,
* if they are plain objects, do they have the same shape?
*/
function looseEqual(a, b) {
if (a === b)
return true;
const isObjectA = isObject(a);
const isObjectB = isObject(b);
if (isObjectA && isObjectB) {
try {
const isArrayA = Array.isArray(a);
const isArrayB = Array.isArray(b);
if (isArrayA && isArrayB) {
return (a.length === b.length &&
a.every((e, i) => {
return looseEqual(e, b[i]);
}));
}
else if (a instanceof Date && b instanceof Date) {
return a.getTime() === b.getTime();
}
else if (!isArrayA && !isArrayB) {
const keysA = Object.keys(a);
const keysB = Object.keys(b);
return (keysA.length === keysB.length &&
keysA.every(key => {
return looseEqual(a[key], b[key]);
}));
}
else {
/* istanbul ignore next */
return false;
}
}
catch (e) {
/* istanbul ignore next */
return false;
}
}
else if (!isObjectA && !isObjectB) {
return String(a) === String(b);
}
else {
return false;
}
}
/**
* Return the first index at which a loosely equal value can be
* found in the array (if value is a plain object, the array must
* contain an object of the same shape), or -1 if it is not present.
*/
function looseIndexOf(arr, val) {
for (let i = 0; i < arr.length; i++) {
if (looseEqual(arr[i], val))
return i;
}
return -1;
}
/**
* Ensure a function is called only once.
*/
function once(fn) {
let called = false;
return function () {
if (!called) {
called = true;
fn.apply(this, arguments);
}
};
}
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/is#polyfill
function hasChanged(x, y) {
if (x === y) {
return x === 0 && 1 / x !== 1 / y;
}
else {
return x === x || y === y;
}
}
const SSR_ATTR = 'data-server-rendered';
const ASSET_TYPES = ['component', 'directive', 'filter'];
const LIFECYCLE_HOOKS = [
'beforeCreate',
'created',
'beforeMount',
'mounted',
'beforeUpdate',
'updated',
'beforeDestroy',
'destroyed',
'activated',
'deactivated',
'errorCaptured',
'serverPrefetch',
'renderTracked',
'renderTriggered'
];
var config = {
/**
* Option merge strategies (used in core/util/options)
*/
// $flow-disable-line
optionMergeStrategies: Object.create(null),
/**
* Whether to suppress warnings.
*/
silent: false,
/**
* Show production mode tip message on boot?
*/
productionTip: true,
/**
* Whether to enable devtools
*/
devtools: true,
/**
* Whether to record perf
*/
performance: false,
/**
* Error handler for watcher errors
*/
errorHandler: null,
/**
* Warn handler for watcher warns
*/
warnHandler: null,
/**
* Ignore certain custom elements
*/
ignoredElements: [],
/**
* Custom user key aliases for v-on
*/
// $flow-disable-line
keyCodes: Object.create(null),
/**
* Check if a tag is reserved so that it cannot be registered as a
* component. This is platform-dependent and may be overwritten.
*/
isReservedTag: no,
/**
* Check if an attribute is reserved so that it cannot be used as a component
* prop. This is platform-dependent and may be overwritten.
*/
isReservedAttr: no,
/**
* Check if a tag is an unknown element.
* Platform-dependent.
*/
isUnknownElement: no,
/**
* Get the namespace of an element
*/
getTagNamespace: noop,
/**
* Parse the real tag name for the specific platform.
*/
parsePlatformTagName: identity,
/**
* Check if an attribute must be bound using property, e.g. value
* Platform-dependent.
*/
mustUseProp: no,
/**
* Perform updates asynchronously. Intended to be used by Vue Test Utils
* This will significantly reduce performance if set to false.
*/
async: true,
/**
* Exposed for legacy reasons
*/
_lifecycleHooks: LIFECYCLE_HOOKS
};
/**
* unicode letters used for parsing html tags, component names and property paths.
* using https://www.w3.org/TR/html53/semantics-scripting.html#potentialcustomelementname
* skipping \u10000-\uEFFFF due to it freezing up PhantomJS
*/
const unicodeRegExp = /a-zA-Z\u00B7\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u037D\u037F-\u1FFF\u200C-\u200D\u203F-\u2040\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD/;
/**
* Check if a string starts with $ or _
*/
function isReserved(str) {
const c = (str + '').charCodeAt(0);
return c === 0x24 || c === 0x5f;
}
/**
* Define a property.
*/
function def(obj, key, val, enumerable) {
Object.defineProperty(obj, key, {
value: val,
enumerable: !!enumerable,
writable: true,
configurable: true
});
}
/**
* Parse simple path.
*/
const bailRE = new RegExp(`[^${unicodeRegExp.source}.$_\\d]`);
function parsePath(path) {
if (bailRE.test(path)) {
return;
}
const segments = path.split('.');
return function (obj) {
for (let i = 0; i < segments.length; i++) {
if (!obj)
return;
obj = obj[segments[i]];
}
return obj;
};
}
// can we use __proto__?
const hasProto = '__proto__' in {};
// Browser environment sniffing
const inBrowser = typeof window !== 'undefined';
const UA = inBrowser && window.navigator.userAgent.toLowerCase();
const isIE = UA && /msie|trident/.test(UA);
const isIE9 = UA && UA.indexOf('msie 9.0') > 0;
const isEdge = UA && UA.indexOf('edge/') > 0;
UA && UA.indexOf('android') > 0;
const isIOS = UA && /iphone|ipad|ipod|ios/.test(UA);
UA && /chrome\/\d+/.test(UA) && !isEdge;
UA && /phantomjs/.test(UA);
const isFF = UA && UA.match(/firefox\/(\d+)/);
// Firefox has a "watch" function on Object.prototype...
// @ts-expect-error firebox support
const nativeWatch = {}.watch;
let supportsPassive = false;
if (inBrowser) {
try {
const opts = {};
Object.defineProperty(opts, 'passive', {
get() {
/* istanbul ignore next */
supportsPassive = true;
}
}); // https://github.com/facebook/flow/issues/285
window.addEventListener('test-passive', null, opts);
}
catch (e) { }
}
// this needs to be lazy-evaled because vue may be required before
// vue-server-renderer can set VUE_ENV
let _isServer;
const isServerRendering = () => {
if (_isServer === undefined) {
/* istanbul ignore if */
if (!inBrowser && typeof global !== 'undefined') {
// detect presence of vue-server-renderer and avoid
// Webpack shimming the process
_isServer =
global['process'] && global['process'].env.VUE_ENV === 'server';
}
else {
_isServer = false;
}
}
return _isServer;
};
// detect devtools
const devtools = inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__;
/* istanbul ignore next */
function isNative(Ctor) {
return typeof Ctor === 'function' && /native code/.test(Ctor.toString());
}
const hasSymbol = typeof Symbol !== 'undefined' &&
isNative(Symbol) &&
typeof Reflect !== 'undefined' &&
isNative(Reflect.ownKeys);
let _Set; // $flow-disable-line
/* istanbul ignore if */ if (typeof Set !== 'undefined' && isNative(Set)) {
// use native Set when available.
_Set = Set;
}
else {
// a non-standard Set polyfill that only works with primitive keys.
_Set = class Set {
constructor() {
this.set = Object.create(null);
}
has(key) {
return this.set[key] === true;
}
add(key) {
this.set[key] = true;
}
clear() {
this.set = Object.create(null);
}
};
}
let currentInstance = null;
/**
* This is exposed for compatibility with v3 (e.g. some functions in VueUse
* relies on it). Do not use this internally, just use `currentInstance`.
*
* @internal this function needs manual type declaration because it relies
* on previously manually authored types from Vue 2
*/
function getCurrentInstance() {
return currentInstance && { proxy: currentInstance };
}
/**
* @internal
*/
function setCurrentInstance(vm = null) {
if (!vm)
currentInstance && currentInstance._scope.off();
currentInstance = vm;
vm && vm._scope.on();
}
/**
* @internal
*/
class VNode {
constructor(tag, data, children, text, elm, context, componentOptions, asyncFactory) {
this.tag = tag;
this.data = data;
this.children = children;
this.text = text;
this.elm = elm;
this.ns = undefined;
this.context = context;
this.fnContext = undefined;
this.fnOptions = undefined;
this.fnScopeId = undefined;
this.key = data && data.key;
this.componentOptions = componentOptions;
this.componentInstance = undefined;
this.parent = undefined;
this.raw = false;
this.isStatic = false;
this.isRootInsert = true;
this.isComment = false;
this.isCloned = false;
this.isOnce = false;
this.asyncFactory = asyncFactory;
this.asyncMeta = undefined;
this.isAsyncPlaceholder = false;
}
// DEPRECATED: alias for componentInstance for backwards compat.
/* istanbul ignore next */
get child() {
return this.componentInstance;
}
}
const createEmptyVNode = (text = '') => {
const node = new VNode();
node.text = text;
node.isComment = true;
return node;
};
function createTextVNode(val) {
return new VNode(undefined, undefined, undefined, String(val));
}
// optimized shallow clone
// used for static nodes and slot nodes because they may be reused across
// multiple renders, cloning them avoids errors when DOM manipulations rely
// on their elm reference.
function cloneVNode(vnode) {
const cloned = new VNode(vnode.tag, vnode.data,
// #7975
// clone children array to avoid mutating original in case of cloning
// a child.
vnode.children && vnode.children.slice(), vnode.text, vnode.elm, vnode.context, vnode.componentOptions, vnode.asyncFactory);
cloned.ns = vnode.ns;
cloned.isStatic = vnode.isStatic;
cloned.key = vnode.key;
cloned.isComment = vnode.isComment;
cloned.fnContext = vnode.fnContext;
cloned.fnOptions = vnode.fnOptions;
cloned.fnScopeId = vnode.fnScopeId;
cloned.asyncMeta = vnode.asyncMeta;
cloned.isCloned = true;
return cloned;
}
let uid$2 = 0;
const pendingCleanupDeps = [];
const cleanupDeps = () => {
for (let i = 0; i < pendingCleanupDeps.length; i++) {
const dep = pendingCleanupDeps[i];
dep.subs = dep.subs.filter(s => s);
dep._pending = false;
}
pendingCleanupDeps.length = 0;
};
/**
* A dep is an observable that can have multiple
* directives subscribing to it.
* @internal
*/
class Dep {
constructor() {
// pending subs cleanup
this._pending = false;
this.id = uid$2++;
this.subs = [];
}
addSub(sub) {
this.subs.push(sub);
}
removeSub(sub) {
// #12696 deps with massive amount of subscribers are extremely slow to
// clean up in Chromium
// to workaround this, we unset the sub for now, and clear them on
// next scheduler flush.
this.subs[this.subs.indexOf(sub)] = null;
if (!this._pending) {
this._pending = true;
pendingCleanupDeps.push(this);
}
}
depend(info) {
if (Dep.target) {
Dep.target.addDep(this);
if (info && Dep.target.onTrack) {
Dep.target.onTrack(Object.assign({ effect: Dep.target }, info));
}
}
}
notify(info) {
// stabilize the subscriber list first
const subs = this.subs.filter(s => s);
if (!config.async) {
// subs aren't sorted in scheduler if not running async
// we need to sort them now to make sure they fire in correct
// order
subs.sort((a, b) => a.id - b.id);
}
for (let i = 0, l = subs.length; i < l; i++) {
const sub = subs[i];
if (info) {
sub.onTrigger &&
sub.onTrigger(Object.assign({ effect: subs[i] }, info));
}
sub.update();
}
}
}
// The current target watcher being evaluated.
// This is globally unique because only one watcher
// can be evaluated at a time.
Dep.target = null;
const targetStack = [];
function pushTarget(target) {
targetStack.push(target);
Dep.target = target;
}
function popTarget() {
targetStack.pop();
Dep.target = targetStack[targetStack.length - 1];
}
/*
* not type checking this file because flow doesn't play well with
* dynamically accessing methods on Array prototype
*/
const arrayProto = Array.prototype;
const arrayMethods = Object.create(arrayProto);
const methodsToPatch = [
'push',
'pop',
'shift',
'unshift',
'splice',
'sort',
'reverse'
];
/**
* Intercept mutating methods and emit events
*/
methodsToPatch.forEach(function (method) {
// cache original method
const original = arrayProto[method];
def(arrayMethods, method, function mutator(...args) {
const result = original.apply(this, args);
const ob = this.__ob__;
let inserted;
switch (method) {
case 'push':
case 'unshift':
inserted = args;
break;
case 'splice':
inserted = args.slice(2);
break;
}
if (inserted)
ob.observeArray(inserted);
// notify change
{
ob.dep.notify({
type: "array mutation" /* TriggerOpTypes.ARRAY_MUTATION */,
target: this,
key: method
});
}
return result;
});
});
const arrayKeys = Object.getOwnPropertyNames(arrayMethods);
const NO_INITIAL_VALUE = {};
/**
* In some cases we may want to disable observation inside a component's
* update computation.
*/
let shouldObserve = true;
function toggleObserving(value) {
shouldObserve = value;
}
// ssr mock dep
const mockDep = {
notify: noop,
depend: noop,
addSub: noop,
removeSub: noop
};
/**
* Observer class that is attached to each observed
* object. Once attached, the observer converts the target
* object's property keys into getter/setters that
* collect dependencies and dispatch updates.
*/
class Observer {
constructor(value, shallow = false, mock = false) {
this.value = value;
this.shallow = shallow;
this.mock = mock;
// this.value = value
this.dep = mock ? mockDep : new Dep();
this.vmCount = 0;
def(value, '__ob__', this);
if (isArray(value)) {
if (!mock) {
if (hasProto) {
value.__proto__ = arrayMethods;
/* eslint-enable no-proto */
}
else {
for (let i = 0, l = arrayKeys.length; i < l; i++) {
const key = arrayKeys[i];
def(value, key, arrayMethods[key]);
}
}
}
if (!shallow) {
this.observeArray(value);
}
}
else {
/**
* Walk through all properties and convert them into
* getter/setters. This method should only be called when
* value type is Object.
*/
const keys = Object.keys(value);
for (let i = 0; i < keys.length; i++) {
const key = keys[i];
defineReactive(value, key, NO_INITIAL_VALUE, undefined, shallow, mock);
}
}
}
/**
* Observe a list of Array items.
*/
observeArray(value) {
for (let i = 0, l = value.length; i < l; i++) {
observe(value[i], false, this.mock);
}
}
}
// helpers
/**
* Attempt to create an observer instance for a value,
* returns the new observer if successfully observed,
* or the existing observer if the value already has one.
*/
function observe(value, shallow, ssrMockReactivity) {
if (value && hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) {
return value.__ob__;
}
if (shouldObserve &&
(ssrMockReactivity || !isServerRendering()) &&
(isArray(value) || isPlainObject(value)) &&
Object.isExtensible(value) &&
!value.__v_skip /* ReactiveFlags.SKIP */ &&
!isRef(value) &&
!(value instanceof VNode)) {
return new Observer(value, shallow, ssrMockReactivity);
}
}
/**
* Define a reactive property on an Object.
*/
function defineReactive(obj, key, val, customSetter, shallow, mock, observeEvenIfShallow = false) {
const dep = new Dep();
const property = Object.getOwnPropertyDescriptor(obj, key);
if (property && property.configurable === false) {
return;
}
// cater for pre-defined getter/setters
const getter = property && property.get;
const setter = property && property.set;
if ((!getter || setter) &&
(val === NO_INITIAL_VALUE || arguments.length === 2)) {
val = obj[key];
}
let childOb = shallow ? val && val.__ob__ : observe(val, false, mock);
Object.defineProperty(obj, key, {
enumerable: true,
configurable: true,
get: function reactiveGetter() {
const value = getter ? getter.call(obj) : val;
if (Dep.target) {
{
dep.depend({
target: obj,
type: "get" /* TrackOpTypes.GET */,
key
});
}
if (childOb) {
childOb.dep.depend();
if (isArray(value)) {
dependArray(value);
}
}
}
return isRef(value) && !shallow ? value.value : value;
},
set: function reactiveSetter(newVal) {
const value = getter ? getter.call(obj) : val;
if (!hasChanged(value, newVal)) {
return;
}
if (customSetter) {
customSetter();
}
if (setter) {
setter.call(obj, newVal);
}
else if (getter) {
// #7981: for accessor properties without setter
return;
}
else if (!shallow && isRef(value) && !isRef(newVal)) {
value.value = newVal;
return;
}
else {
val = newVal;
}
childOb = shallow ? newVal && newVal.__ob__ : observe(newVal, false, mock);
{
dep.notify({
type: "set" /* TriggerOpTypes.SET */,
target: obj,
key,
newValue: newVal,
oldValue: value
});
}
}
});
return dep;
}
function set(target, key, val) {
if ((isUndef(target) || isPrimitive(target))) {
warn(`Cannot set reactive property on undefined, null, or primitive value: ${target}`);
}
if (isReadonly(target)) {
warn(`Set operation on key "${key}" failed: target is readonly.`);
return;
}
const ob = target.__ob__;
if (isArray(target) && isValidArrayIndex(key)) {
target.length = Math.max(target.length, key);
target.splice(key, 1, val);
// when mocking for SSR, array methods are not hijacked
if (ob && !ob.shallow && ob.mock) {
observe(val, false, true);
}
return val;
}
if (key in target && !(key in Object.prototype)) {
target[key] = val;
return val;
}
if (target._isVue || (ob && ob.vmCount)) {
warn('Avoid adding reactive properties to a Vue instance or its root $data ' +
'at runtime - declare it upfront in the data option.');
return val;
}
if (!ob) {
target[key] = val;
return val;
}
defineReactive(ob.value, key, val, undefined, ob.shallow, ob.mock);
{
ob.dep.notify({
type: "add" /* TriggerOpTypes.ADD */,
target: target,
key,
newValue: val,
oldValue: undefined
});
}
return val;
}
function del(target, key) {
if ((isUndef(target) || isPrimitive(target))) {
warn(`Cannot delete reactive property on undefined, null, or primitive value: ${target}`);
}
if (isArray(target) && isValidArrayIndex(key)) {
target.splice(key, 1);
return;
}
const ob = target.__ob__;
if (target._isVue || (ob && ob.vmCount)) {
warn('Avoid deleting properties on a Vue instance or its root $data ' +
'- just set it to null.');
return;
}
if (isReadonly(target)) {
warn(`Delete operation on key "${key}" failed: target is readonly.`);
return;
}
if (!hasOwn(target, key)) {
return;
}
delete target[key];
if (!ob) {
return;
}
{
ob.dep.notify({
type: "delete" /* TriggerOpTypes.DELETE */,
target: target,
key
});
}
}
/**
* Collect dependencies on array elements when the array is touched, since
* we cannot intercept array element access like property getters.
*/
function dependArray(value) {
for (let e, i = 0, l = value.length; i < l; i++) {
e = value[i];
if (e && e.__ob__) {
e.__ob__.dep.depend();
}
if (isArray(e)) {
dependArray(e);
}
}
}
function reactive(target) {
makeReactive(target, false);
return target;
}
/**
* 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) {
makeReactive(target, true);
def(target, "__v_isShallow" /* ReactiveFlags.IS_SHALLOW */, true);
return target;
}
function makeReactive(target, shallow) {
// if trying to observe a readonly proxy, return the readonly version.
if (!isReadonly(target)) {
{
if (isArray(target)) {
warn(`Avoid using Array as root value for ${shallow ? `shallowReactive()` : `reactive()`} as it cannot be tracked in watch() or watchEffect(). Use ${shallow ? `shallowRef()` : `ref()`} instead. This is a Vue-2-only limitation.`);
}
const existingOb = target && target.__ob__;
if (existingOb && existingOb.shallow !== shallow) {
warn(`Target is already a ${existingOb.shallow ? `` : `non-`}shallow reactive object, and cannot be converted to ${shallow ? `` : `non-`}shallow.`);
}
}
const ob = observe(target, shallow, isServerRendering() /* ssr mock reactivity */);
if (!ob) {
if (target == null || isPrimitive(target)) {
warn(`value cannot be made reactive: ${String(target)}`);
}
if (isCollectionType(target)) {
warn(`Vue 2 does not support reactive collection types such as Map or Set.`);
}
}
}
}
function isReactive(value) {
if (isReadonly(value)) {
return isReactive(value["__v_raw" /* ReactiveFlags.RAW */]);
}
return !!(value && value.__ob__);
}
function isShallow(value) {
return !!(value && value.__v_isShallow);
}
function isReadonly(value) {
return !!(value && value.__v_isReadonly);
}
function isProxy(value) {
return isReactive(value) || isReadonly(value);
}
function toRaw(observed) {
const raw = observed && observed["__v_raw" /* ReactiveFlags.RAW */];
return raw ? toRaw(raw) : observed;
}
function markRaw(value) {
// non-extensible objects won't be observed anyway
if (Object.isExtensible(value)) {
def(value, "__v_skip" /* ReactiveFlags.SKIP */, true);
}
return value;
}
/**
* @internal
*/
function isCollectionType(value) {
const type = toRawType(value);
return (type === 'Map' || type === 'WeakMap' || type === 'Set' || type === 'WeakSet');
}
/**
* @internal
*/
const RefFlag = `__v_isRef`;
function isRef(r) {
return !!(r && r.__v_isRef === true);
}
function ref$1(value) {
return createRef(value, false);
}
function shallowRef(value) {
return createRef(value, true);
}
function createRef(rawValue, shallow) {
if (isRef(rawValue)) {
return rawValue;
}
const ref = {};
def(ref, RefFlag, true);
def(ref, "__v_isShallow" /* ReactiveFlags.IS_SHALLOW */, shallow);
def(ref, 'dep', defineReactive(ref, 'value', rawValue, null, shallow, isServerRendering()));
return ref;
}
function triggerRef(ref) {
if (!ref.dep) {
warn(`received object is not a triggerable ref.`);
}
{
ref.dep &&
ref.dep.notify({
type: "set" /* TriggerOpTypes.SET */,
target: ref,
key: 'value'
});
}
}
function unref(ref) {
return isRef(ref) ? ref.value : ref;
}
function proxyRefs(objectWithRefs) {
if (isReactive(objectWithRefs)) {
return objectWithRefs;
}
const proxy = {};
const keys = Object.keys(objectWithRefs);
for (let i = 0; i < keys.length; i++) {
proxyWithRefUnwrap(proxy, objectWithRefs, keys[i]);
}
return proxy;
}
function proxyWithRefUnwrap(target, source, key) {
Object.defineProperty(target, key, {
enumerable: true,
configurable: true,
get: () => {
const val = source[key];
if (isRef(val)) {
return val.value;
}
else {
const ob = val && val.__ob__;
if (ob)
ob.dep.depend();
return val;
}
},
set: value => {
const oldValue = source[key];
if (isRef(oldValue) && !isRef(value)) {
oldValue.value = value;
}
else {
source[key] = value;
}
}
});
}
function customRef(factory) {
const dep = new Dep();
const { get, set } = factory(() => {
{
dep.depend({
target: ref,
type: "get" /* TrackOpTypes.GET */,
key: 'value'
});
}
}, () => {
{
dep.notify({
target: ref,
type: "set" /* TriggerOpTypes.SET */,
key: 'value'
});
}
});
const ref = {
get value() {
return get();
},
set value(newVal) {
set(newVal);
}
};
def(ref, RefFlag, true);
return ref;
}
function toRefs(object) {
if (!isReactive(object)) {
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;
}
function toRef(object, key, defaultValue) {
const val = object[key];
if (isRef(val)) {
return val;
}
const ref = {
get value() {
const val = object[key];
return val === undefined ? defaultValue : val;
},
set value(newVal) {
object[key] = newVal;
}
};
def(ref, RefFlag, true);
return ref;
}
const rawToReadonlyFlag = `__v_rawToReadonly`;
const rawToShallowReadonlyFlag = `__v_rawToShallowReadonly`;
function readonly(target) {
return createReadonly(target, false);
}
function createReadonly(target, shallow) {
if (!isPlainObject(target)) {
{
if (isArray(target)) {
warn(`Vue 2 does not support readonly arrays.`);
}
else if (isCollectionType(target)) {
warn(`Vue 2 does not support readonly collection types such as Map or Set.`);
}
else {
warn(`value cannot be made readonly: ${typeof target}`);
}
}
return target;
}
if (!Object.isExtensible(target)) {
warn(`Vue 2 does not support creating readonly proxy for non-extensible object.`);
}
// already a readonly object
if (isReadonly(target)) {
return target;
}
// already has a readonly proxy
const existingFlag = shallow ? rawToShallowReadonlyFlag : rawToReadonlyFlag;
const existingProxy = target[existingFlag];
if (existingProxy) {
return existingProxy;
}
const proxy = Object.create(Object.getPrototypeOf(target));
def(target, existingFlag, proxy);
def(proxy, "__v_isReadonly" /* ReactiveFlags.IS_READONLY */, true);
def(proxy, "__v_raw" /* ReactiveFlags.RAW */, target);
if (isRef(target)) {
def(proxy, RefFlag, true);
}
if (shallow || isShallow(target)) {
def(proxy, "__v_isShallow" /* ReactiveFlags.IS_SHALLOW */, true);
}
const keys = Object.keys(target);
for (let i = 0; i < keys.length; i++) {
defineReadonlyProperty(proxy, target, keys[i], shallow);
}
return proxy;
}
function defineReadonlyProperty(proxy, target, key, shallow) {
Object.defineProperty(proxy, key, {
enumerable: true,
configurable: true,
get() {
const val = target[key];
return shallow || !isPlainObject(val) ? val : readonly(val);
},
set() {
warn(`Set operation on key "${key}" failed: target is readonly.`);
}
});
}
/**
* 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 createReadonly(target, true);
}
function computed(getterOrOptions, debugOptions) {
let getter;
let setter;
const onlyGetter = isFunction(getterOrOptions);
if (onlyGetter) {
getter = getterOrOptions;
setter = () => {
warn('Write operation failed: computed value is readonly');
}
;
}
else {
getter = getterOrOptions.get;
setter = getterOrOptions.set;
}
const watcher = isServerRendering()
? null
: new Watcher(currentInstance, getter, noop, { lazy: true });
if (watcher && debugOptions) {
watcher.onTrack = debugOptions.onTrack;
watcher.onTrigger = debugOptions.onTrigger;
}
const ref = {
// some libs rely on the presence effect for checking computed refs
// from normal refs, but the implementation doesn't matter
effect: watcher,
get value() {
if (watcher) {
if (watcher.dirty) {
watcher.evaluate();
}
if (Dep.target) {
if (Dep.target.onTrack) {
Dep.target.onTrack({
effect: Dep.target,
target: ref,
type: "get" /* TrackOpTypes.GET */,
key: 'value'
});
}
watcher.depend();
}
return watcher.value;
}
else {
return getter();
}
},
set value(newVal) {
setter(newVal);
}
};
def(ref, RefFlag, true);
def(ref, "__v_isReadonly" /* ReactiveFlags.IS_READONLY */, onlyGetter);
return ref;
}
const WATCHER = `watcher`;
const WATCHER_CB = `${WATCHER} callback`;
const WATCHER_GETTER = `${WATCHER} getter`;
const WATCHER_CLEANUP = `${WATCHER} cleanup`;
// Simple effect.
function watchEffect(effect, options) {
return doWatch(effect, null, options);
}
function watchPostEffect(effect, options) {
return doWatch(effect, null, (Object.assign(Object.assign({}, options), { flush: 'post' }) ));
}
function watchSyncEffect(effect, options) {
return doWatch(effect, null, (Object.assign(Object.assign({}, options), { flush: 'sync' }) ));
}
// initial value for watchers to trigger on undefined initial values
const INITIAL_WATCHER_VALUE = {};
// implementation
function watch(source, cb, options) {
if (typeof cb !== 'function') {
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 = 'pre', onTrack, onTrigger } = emptyObject) {
if (!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.`);
};
const instance = currentInstance;
const call = (fn, type, args = null) => {
const res = invokeWithErrorHandling(fn, null, args, instance, type);
if (deep && res && res.__ob__)
res.__ob__.dep.depend();
return res;
};
let getter;
let forceTrigger = false;
let isMultiSource = false;
if (isRef(source)) {
getter = () => source.value;
forceTrigger = isShallow(source);
}
else if (isReactive(source)) {
getter = () => {
source.__ob__.dep.depend();
return source;
};
deep = true;
}
else if (isArray(source)) {
isMultiSource = true;
forceTrigger = source.some(s => isReactive(s) || isShallow(s));
getter = () => source.map(s => {
if (isRef(s)) {
return s.value;
}
else if (isReactive(s)) {
s.__ob__.dep.depend();
return traverse(s);
}
else if (isFunction(s)) {
return call(s, WATCHER_GETTER);
}
else {
warnInvalidSource(s);
}
});
}
else if (isFunction(source)) {
if (cb) {
// getter with cb
getter = () => call(source, WATCHER_GETTER);
}
else {
// no cb -> simple effect
getter = () => {
if (instance && instance._isDestroyed) {
return;
}
if (cleanup) {
cleanup();
}
return call(source, WATCHER, [onCleanup]);
};
}
}
else {
getter = noop;
warnInvalidSource(source);
}
if (cb && deep) {
const baseGetter = getter;
getter = () => traverse(baseGetter());
}
let cleanup;
let onCleanup = (fn) => {
cleanup = watcher.onStop = () => {
call(fn, WATCHER_CLEANUP);
};
};
// in SSR there is no need to setup an actual effect, and it should be noop
// unless it's eager
if (isServerRendering()) {
// we will also not call the invalidate callback (+ runner is not set up)
onCleanup = noop;
if (!cb) {
getter();
}
else if (immediate) {
call(cb, WATCHER_CB, [
getter(),
isMultiSource ? [] : undefined,
onCleanup
]);
}
return noop;
}
const watcher = new Watcher(currentInstance, getter, noop, {
lazy: true
});
watcher.noRecurse = !cb;
let oldValue = isMultiSource ? [] : INITIAL_WATCHER_VALUE;
// overwrite default run
watcher.run = () => {
if (!watcher.active) {
return;
}
if (cb) {
// watch(source, cb)
const newValue = watcher.get();
if (deep ||
forceTrigger ||
(isMultiSource
? newValue.some((v, i) => hasChanged(v, oldValue[i]))
: hasChanged(newValue, oldValue))) {
// cleanup before running cb again
if (cleanup) {
cleanup();
}
call(cb, WATCHER_CB, [
newValue,
// pass undefined as the old value when it's changed for the first time
oldValue === INITIAL_WATCHER_VALUE ? undefined : oldValue,
onCleanup
]);
oldValue = newValue;
}
}
else {
// watchEffect
watcher.get();
}
};
if (flush === 'sync') {
watcher.update = watcher.run;
}
else if (flush === 'post') {
watcher.post = true;
watcher.update = () => queueWatcher(watcher);
}
else {
// pre
watcher.update = () => {
if (instance && instance === currentInstance && !instance._isMounted) {
// pre-watcher triggered before
const buffer = instance._preWatchers || (instance._preWatchers = []);
if (buffer.indexOf(watcher) < 0)
buffer.push(watcher);
}
else {
queueWatcher(watcher);
}
};
}
{
watcher.onTrack = onTrack;
watcher.onTrigger = onTrigger;
}
// initial run
if (cb) {
if (immediate) {
watcher.run();
}
else {
oldValue = watcher.get();
}
}
else if (flush === 'post' && instance) {
instance.$once('hook:mounted', () => watcher.get());
}
else {
watcher.get();
}
return () => {
watcher.teardown();
};
}
let activeEffectScope;
class EffectScope {
constructor(detached = false) {
this.detached = detached;
/**
* @internal
*/
this.active = true;
/**
* @internal
*/
this.effects = [];
/**
* @internal
*/
this.cleanups = [];
this.parent = activeEffectScope;
if (!detached && activeEffectScope) {
this.index =
(activeEffectScope.scopes || (activeEffectScope.scopes = [])).push(this) - 1;
}
}
run(fn) {
if (this.active) {
const currentEffectScope = activeEffectScope;
try {
activeEffectScope = this;
return fn();
}
finally {
activeEffectScope = currentEffectScope;
}
}
else {
warn(`cannot run an inactive effect scope.`);
}
}
/**
* This should only be called on non-detached scopes
* @internal
*/
on() {
activeEffectScope = this;
}
/**
* This should only be called on non-detached scopes
* @internal
*/
off() {
activeEffectScope = this.parent;
}
stop(fromParent) {
if (this.active) {
let i, l;
for (i = 0, l = this.effects.length; i < l; i++) {
this.effects[i].teardown();
}
for (i = 0, l = this.cleanups.length; i < l; i++) {
this.cleanups[i]();
}
if (this.scopes) {
for (i = 0, l = this.scopes.length; i < l; i++) {
this.scopes[i].stop(true);
}
}
// nested scope, dereference from parent to avoid memory leaks
if (!this.detached && this.parent && !fromParent) {
// optimized O(1) removal
const last = this.parent.scopes.pop();
if (last && last !== this) {
this.parent.scopes[this.index] = last;
last.index = this.index;
}
}
this.parent = undefined;
this.active = false;
}
}
}
function effectScope(detached) {
return new EffectScope(detached);
}
/**
* @internal
*/
function recordEffectScope(effect, scope = activeEffectScope) {
if (scope && scope.active) {
scope.effects.push(effect);
}
}
function getCurrentScope() {
return activeEffectScope;
}
function onScopeDispose(fn) {
if (activeEffectScope) {
activeEffectScope.cleanups.push(fn);
}
else {
warn(`onScopeDispose() is called when there is no active effect scope` +
` to be associated with.`);
}
}
function provide(key, value) {
if (!currentInstance) {
{
warn(`provide() can only be used inside setup().`);
}
}
else {
// TS doesn't allow symbol as index type
resolveProvided(currentInstance)[key] = value;
}
}
function resolveProvided(vm) {
// 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 existing = vm._provided;
const parentProvides = vm.$parent && vm.$parent._provided;
if (parentProvides === existing) {
return (vm._provided = Object.create(parentProvides));
}
else {
return existing;
}
}
function inject(key, defaultValue, treatDefaultAsFactory = false) {
// fallback to `currentRenderingInstance` so that this can be called in
// a functional component
const instance = currentInstance;
if (instance) {
// #2400
// to support `app.use` plugins,
// fallback to appContext's `provides` if the instance is at root
const provides = instance.$parent && instance.$parent._provided;
if (provides && key in provides) {
// TS doesn't allow symbol as index type
return provides[key];
}
else if (arguments.length > 1) {
return treatDefaultAsFactory && isFunction(defaultValue)
? defaultValue.call(instance)
: defaultValue;
}
else {
warn(`injection "${String(key)}" not found.`);
}
}
else {
warn(`inject() can only be used inside setup() or functional components.`);
}
}
const normalizeEvent = cached((name) => {
const passive = name.charAt(0) === '&';
name = passive ? name.slice(1) : name;
const once = name.charAt(0) === '~'; // Prefixed last, checked first
name = once ? name.slice(1) : name;
const capture = name.charAt(0) === '!';
name = capture ? name.slice(1) : name;
return {
name,
once,
capture,
passive
};
});
function createFnInvoker(fns, vm) {
function invoker() {
const fns = invoker.fns;
if (isArray(fns)) {
const cloned = fns.slice();
for (let i = 0; i < cloned.length; i++) {
invokeWithErrorHandling(cloned[i], null, arguments, vm, `v-on handler`);
}
}
else {
// return handler return value for single handlers
return invokeWithErrorHandling(fns, null, arguments, vm, `v-on handler`);
}
}
invoker.fns = fns;
return invoker;
}
function updateListeners(on, oldOn, add, remove, createOnceHandler, vm) {
let name, cur, old, event;
for (name in on) {
cur = on[name];
old = oldOn[name];
event = normalizeEvent(name);
if (isUndef(cur)) {
warn(`Invalid handler for event "${event.name}": got ` + String(cur), vm);
}
else if (isUndef(old)) {
if (isUndef(cur.fns)) {
cur = on[name] = createFnInvoker(cur, vm);
}
if (isTrue(event.once)) {
cur = on[name] = createOnceHandler(event.name, cur, event.capture);
}
add(event.name, cur, event.capture, event.passive, event.params);
}
else if (cur !== old) {
old.fns = cur;
on[name] = old;
}
}
for (name in oldOn) {
if (isUndef(on[name])) {
event = normalizeEvent(name);
remove(event.name, oldOn[name], event.capture);
}
}
}
function mergeVNodeHook(def, hookKey, hook) {
if (def instanceof VNode) {
def = def.data.hook || (def.data.hook = {});
}
let invoker;
const oldHook = def[hookKey];
function wrappedHook() {
hook.apply(this, arguments);
// important: remove merged hook to ensure it's called only once
// and prevent memory leak
remove$2(invoker.fns, wrappedHook);
}
if (isUndef(oldHook)) {
// no existing hook
invoker = createFnInvoker([wrappedHook]);
}
else {
/* istanbul ignore if */
if (isDef(oldHook.fns) && isTrue(oldHook.merged)) {
// already a merged invoker
invoker = oldHook;
invoker.fns.push(wrappedHook);
}
else {
// existing plain hook
invoker = createFnInvoker([oldHook, wrappedHook]);
}
}
invoker.merged = true;
def[hookKey] = invoker;
}
function extractPropsFromVNodeData(data, Ctor, tag) {
// we are only extracting raw values here.
// validation and default values are handled in the child
// component itself.
const propOptions = Ctor.options.props;
if (isUndef(propOptions)) {
return;
}
const res = {};
const { attrs, props } = data;
if (isDef(attrs) || isDef(props)) {
for (const key in propOptions) {
const altKey = hyphenate(key);
{
const keyInLowerCase = key.toLowerCase();
if (key !== keyInLowerCase && attrs && hasOwn(attrs, keyInLowerCase)) {
tip(`Prop "${keyInLowerCase}" is passed to component ` +
`${formatComponentName(
// @ts-expect-error tag is string
tag || Ctor)}, but the declared prop name is` +
` "${key}". ` +
`Note that HTML attributes are case-insensitive and camelCased ` +
`props need to use their kebab-case equivalents when using in-DOM ` +
`templates. You should probably use "${altKey}" instead of "${key}".`);
}
}
checkProp(res, props, key, altKey, true) ||
checkProp(res, attrs, key, altKey, false);
}
}
return res;
}
function checkProp(res, hash, key, altKey, preserve) {
if (isDef(hash)) {
if (hasOwn(hash, key)) {
res[key] = hash[key];
if (!preserve) {
delete hash[key];
}
return true;
}
else if (hasOwn(hash, altKey)) {
res[key] = hash[altKey];
if (!preserve) {
delete hash[altKey];
}
return true;
}
}
return false;
}
// The template compiler attempts to minimize the need for normalization by
// statically analyzing the template at compile time.
//
// For plain HTML markup, normalization can be completely skipped because the
// generated render function is guaranteed to return Array<VNode>. There are
// two cases where extra normalization is needed:
// 1. When the children contains components - because a functional component
// may return an Array instead of a single root. In this case, just a simple
// normalization is needed - if any child is an Array, we flatten the whole
// thing with Array.prototype.concat. It is guaranteed to be only 1-level deep
// because functional components already normalize their own children.
function simpleNormalizeChildren(children) {
for (let i = 0; i < children.length; i++) {
if (isArray(children[i])) {
return Array.prototype.concat.apply([], children);
}
}
return children;
}
// 2. When the children contains constructs that always generated nested Arrays,
// e.g. <template>, <slot>, v-for, or when the children is provided by user
// with hand-written render functions / JSX. In such cases a full normalization
// is needed to cater to all possible types of children values.
function normalizeChildren(children) {
return isPrimitive(children)
? [createTextVNode(children)]
: isArray(children)
? normalizeArrayChildren(children)
: undefined;
}
function isTextNode(node) {
return isDef(node) && isDef(node.text) && isFalse(node.isComment);
}
function normalizeArrayChildren(children, nestedIndex) {
const res = [];
let i, c, lastIndex, last;
for (i = 0; i < children.length; i++) {
c = children[i];
if (isUndef(c) || typeof c === 'boolean')
continue;
lastIndex = res.length - 1;
last = res[lastIndex];
// nested
if (isArray(c)) {
if (c.length > 0) {
c = normalizeArrayChildren(c, `${nestedIndex || ''}_${i}`);
// merge adjacent text nodes
if (isTextNode(c[0]) && isTextNode(last)) {
res[lastIndex] = createTextVNode(last.text + c[0].text);
c.shift();
}
res.push.apply(res, c);
}
}
else if (isPrimitive(c)) {
if (isTextNode(last)) {
// merge adjacent text nodes
// this is necessary for SSR hydration because text nodes are
// essentially merged when rendered to HTML strings
res[lastIndex] = createTextVNode(last.text + c);
}
else if (c !== '') {
// convert primitive to vnode
res.push(createTextVNode(c));
}
}
else {
if (isTextNode(c) && isTextNode(last)) {
// merge adjacent text nodes
res[lastIndex] = createTextVNode(last.text + c.text);
}
else {
// default key for nested array children (likely generated by v-for)
if (isTrue(children._isVList) &&
isDef(c.tag) &&
isUndef(c.key) &&
isDef(nestedIndex)) {
c.key = `__vlist${nestedIndex}_${i}__`;
}
res.push(c);
}
}
}
return res;
}
/**
* Runtime helper for rendering v-for lists.
*/
function renderList(val, render) {
let ret = null, i, l, keys, key;
if (isArray(val) || typeof val === 'string') {
ret = new Array(val.length);
for (i = 0, l = val.length; i < l; i++) {
ret[i] = render(val[i], i);
}
}
else if (typeof val === 'number') {
ret = new Array(val);
for (i = 0; i < val; i++) {
ret[i] = render(i + 1, i);
}
}
else if (isObject(val)) {
if (hasSymbol && val[Symbol.iterator]) {
ret = [];
const iterator = val[Symbol.iterator]();
let result = iterator.next();
while (!result.done) {
ret.push(render(result.value, ret.length));
result = iterator.next();
}
}
else {
keys = Object.keys(val);
ret = new Array(keys.length);
for (i = 0, l = keys.length; i < l; i++) {
key = keys[i];
ret[i] = render(val[key], key, i);
}
}
}
if (!isDef(ret)) {
ret = [];
}
ret._isVList = true;
return ret;
}
/**
* Runtime helper for rendering <slot>
*/
function renderSlot(name, fallbackRender, props, bindObject) {
const scopedSlotFn = this.$scopedSlots[name];
let nodes;
if (scopedSlotFn) {
// scoped slot
props = props || {};
if (bindObject) {
if (!isObject(bindObject)) {
warn('slot v-bind without argument expects an Object', this);
}
props = extend(extend({}, bindObject), props);
}
nodes =
scopedSlotFn(props) ||
(isFunction(fallbackRender) ? fallbackRender() : fallbackRender);
}
else {
nodes =
this.$slots[name] ||
(isFunction(fallbackRender) ? fallbackRender() : fallbackRender);
}
const target = props && props.slot;
if (target) {
return this.$createElement('template', { slot: target }, nodes);
}
else {
return nodes;
}
}
/**
* Runtime helper for resolving filters
*/
function resolveFilter(id) {
return resolveAsset(this.$options, 'filters', id, true) || identity;
}
function isKeyNotMatch(expect, actual) {
if (isArray(expect)) {
return expect.indexOf(actual) === -1;
}
else {
return expect !== actual;
}
}
/**
* Runtime helper for checking keyCodes from config.
* exposed as Vue.prototype._k
* passing in eventKeyName as last argument separately for backwards compat
*/
function checkKeyCodes(eventKeyCode, key, builtInKeyCode, eventKeyName, builtInKeyName) {
const mappedKeyCode = config.keyCodes[key] || builtInKeyCode;
if (builtInKeyName && eventKeyName && !config.keyCodes[key]) {
return isKeyNotMatch(builtInKeyName, eventKeyName);
}
else if (mappedKeyCode) {
return isKeyNotMatch(mappedKeyCode, eventKeyCode);
}
else if (eventKeyName) {
return hyphenate(eventKeyName) !== key;
}
return eventKeyCode === undefined;
}
/**
* Runtime helper for merging v-bind="object" into a VNode's data.
*/
function bindObjectProps(data, tag, value, asProp, isSync) {
if (value) {
if (!isObject(value)) {
warn('v-bind without argument expects an Object or Array value', this);
}
else {
if (isArray(value)) {
value = toObject(value);
}
let hash;
for (const key in value) {
if (key === 'class' || key === 'style' || isReservedAttribute(key)) {
hash = data;
}
else {
const type = data.attrs && data.attrs.type;
hash =
asProp || config.mustUseProp(tag, type, key)
? data.domProps || (data.domProps = {})
: data.attrs || (data.attrs = {});
}
const camelizedKey = camelize(key);
const hyphenatedKey = hyphenate(key);
if (!(camelizedKey in hash) && !(hyphenatedKey in hash)) {
hash[key] = value[key];
if (isSync) {
const on = data.on || (data.on = {});
on[`update:${key}`] = function ($event) {
value[key] = $event;
};
}
}
}
}
}
return data;
}
/**
* Runtime helper for rendering static trees.
*/
function renderStatic(index, isInFor) {
const cached = this._staticTrees || (this._staticTrees = []);
let tree = cached[index];
// if has already-rendered static tree and not inside v-for,
// we can reuse the same tree.
if (tree && !isInFor) {
return tree;
}
// otherwise, render a fresh tree.
tree = cached[index] = this.$options.staticRenderFns[index].call(this._renderProxy, this._c, this // for render fns generated for functional component templates
);
markStatic(tree, `__static__${index}`, false);
return tree;
}
/**
* Runtime helper for v-once.
* Effectively it means marking the node as static with a unique key.
*/
function markOnce(tree, index, key) {
markStatic(tree, `__once__${index}${key ? `_${key}` : ``}`, true);
return tree;
}
function markStatic(tree, key, isOnce) {
if (isArray(tree)) {
for (let i = 0; i < tree.length; i++) {
if (tree[i] && typeof tree[i] !== 'string') {
markStaticNode(tree[i], `${key}_${i}`, isOnce);
}
}
}
else {
markStaticNode(tree, key, isOnce);
}
}
function markStaticNode(node, key, isOnce) {
node.isStatic = true;
node.key = key;
node.isOnce = isOnce;
}
function bindObjectListeners(data, value) {
if (value) {
if (!isPlainObject(value)) {
warn('v-on without argument expects an Object value', this);
}
else {
const on = (data.on = data.on ? extend({}, data.on) : {});
for (const key in value) {
const existing = on[key];
const ours = value[key];
on[key] = existing ? [].concat(existing, ours) : ours;
}
}
}
return data;
}
function resolveScopedSlots(fns, res,
// the following are added in 2.6
hasDynamicKeys, contentHashKey) {
res = res || { $stable: !hasDynamicKeys };
for (let i = 0; i < fns.length; i++) {
const slot = fns[i];
if (isArray(slot)) {
resolveScopedSlots(slot, res, hasDynamicKeys);
}
else if (slot) {
// marker for reverse proxying v-slot without scope on this.$slots
// @ts-expect-error
if (slot.proxy) {
// @ts-expect-error
slot.fn.proxy = true;
}
res[slot.key] = slot.fn;
}
}
if (contentHashKey) {
res.$key = contentHashKey;
}
return res;
}
// helper to process dynamic keys for dynamic arguments in v-bind and v-on.
function bindDynamicKeys(baseObj, values) {
for (let i = 0; i < values.length; i += 2) {
const key = values[i];
if (typeof key === 'string' && key) {
baseObj[values[i]] = values[i + 1];
}
else if (key !== '' && key !== null) {
// null is a special value for explicitly removing a binding
warn(`Invalid value for dynamic directive argument (expected string or null): ${key}`, this);
}
}
return baseObj;
}
// helper to dynamically append modifier runtime markers to event names.
// ensure only append when value is already string, otherwise it will be cast
// to string and cause the type check to miss.
function prependModifier(value, symbol) {
return typeof value === 'string' ? symbol + value : value;
}
function installRenderHelpers(target) {
target._o = markOnce;
target._n = toNumber;
target._s = toString;
target._l = renderList;
target._t = renderSlot;
target._q = looseEqual;
target._i = looseIndexOf;
target._m = renderStatic;
target._f = resolveFilter;
target._k = checkKeyCodes;
target._b = bindObjectProps;
target._v = createTextVNode;
target._e = createEmptyVNode;
target._u = resolveScopedSlots;
target._g = bindObjectListeners;
target._d = bindDynamicKeys;
target._p = prependModifier;
}
/**
* Runtime helper for resolving raw children VNodes into a slot object.
*/
function resolveSlots(children, context) {
if (!children || !children.length) {
return {};
}
const slots = {};
for (let i = 0, l = children.length; i < l; i++) {
const child = children[i];
const data = child.data;
// remove slot attribute if the node is resolved as a Vue slot node
if (data && data.attrs && data.attrs.slot) {
delete data.attrs.slot;
}
// named slots should only be respected if the vnode was rendered in the
// same context.
if ((child.context === context || child.fnContext === context) &&
data &&
data.slot != null) {
const name = data.slot;
const slot = slots[name] || (slots[name] = []);
if (child.tag === 'template') {
slot.push.apply(slot, child.children || []);
}
else {
slot.push(child);
}
}
else {
(slots.default || (slots.default = [])).push(child);
}
}
// ignore slots that contains only whitespace
for (const name in slots) {
if (slots[name].every(isWhitespace)) {
delete slots[name];
}
}
return slots;
}
function isWhitespace(node) {
return (node.isComment && !node.asyncFactory) || node.text === ' ';
}
function isAsyncPlaceholder(node) {
// @ts-expect-error not really boolean type
return node.isComment && node.asyncFactory;
}
function normalizeScopedSlots(ownerVm, scopedSlots, normalSlots, prevScopedSlots) {
let res;
const hasNormalSlots = Object.keys(normalSlots).length > 0;
const isStable = scopedSlots ? !!scopedSlots.$stable : !hasNormalSlots;
const key = scopedSlots && scopedSlots.$key;
if (!scopedSlots) {
res = {};
}
else if (scopedSlots._normalized) {
// fast path 1: child component re-render only, parent did not change
return scopedSlots._normalized;
}
else if (isStable &&
prevScopedSlots &&
prevScopedSlots !== emptyObject &&
key === prevScopedSlots.$key &&
!hasNormalSlots &&
!prevScopedSlots.$hasNormal) {
// fast path 2: stable scoped slots w/ no normal slots to proxy,
// only need to normalize once
return prevScopedSlots;
}
else {
res = {};
for (const key in scopedSlots) {
if (scopedSlots[key] && key[0] !== '$') {
res[key] = normalizeScopedSlot(ownerVm, normalSlots, key, scopedSlots[key]);
}
}
}
// expose normal slots on scopedSlots
for (const key in normalSlots) {
if (!(key in res)) {
res[key] = proxyNormalSlot(normalSlots, key);
}
}
// avoriaz seems to mock a non-extensible $scopedSlots object
// and when that is passed down this would cause an error
if (scopedSlots && Object.isExtensible(scopedSlots)) {
scopedSlots._normalized = res;
}
def(res, '$stable', isStable);
def(res, '$key', key);
def(res, '$hasNormal', hasNormalSlots);
return res;
}
function normalizeScopedSlot(vm, normalSlots, key, fn) {
const normalized = function () {
const cur = currentInstance;
setCurrentInstance(vm);
let res = arguments.length ? fn.apply(null, arguments) : fn({});
res =
res && typeof res === 'object' && !isArray(res)
? [res] // single vnode
: normalizeChildren(res);
const vnode = res && res[0];
setCurrentInstance(cur);
return res &&
(!vnode ||
(res.length === 1 && vnode.isComment && !isAsyncPlaceholder(vnode))) // #9658, #10391
? undefined
: res;
};
// this is a slot using the new v-slot syntax without scope. although it is
// compiled as a scoped slot, render fn users would expect it to be present
// on this.$slots because the usage is semantically a normal slot.
if (fn.proxy) {
Object.defineProperty(normalSlots, key, {
get: normalized,
enumerable: true,
configurable: true
});
}
return normalized;
}
function proxyNormalSlot(slots, key) {
return () => slots[key];
}
function initSetup(vm) {
const options = vm.$options;
const setup = options.setup;
if (setup) {
const ctx = (vm._setupContext = createSetupContext(vm));
setCurrentInstance(vm);
pushTarget();
const setupResult = invokeWithErrorHandling(setup, null, [vm._props || shallowReactive({}), ctx], vm, `setup`);
popTarget();
setCurrentInstance();
if (isFunction(setupResult)) {
// render function
// @ts-ignore
options.render = setupResult;
}
else if (isObject(setupResult)) {
// bindings
if (setupResult instanceof VNode) {
warn(`setup() should not return VNodes directly - ` +
`return a render function instead.`);
}
vm._setupState = setupResult;
// __sfc indicates compiled bindings from <script setup>
if (!setupResult.__sfc) {
for (const key in setupResult) {
if (!isReserved(key)) {
proxyWithRefUnwrap(vm, setupResult, key);
}
else {
warn(`Avoid using variables that start with _ or $ in setup().`);
}
}
}
else {
// exposed for compiled render fn
const proxy = (vm._setupProxy = {});
for (const key in setupResult) {
if (key !== '__sfc') {
proxyWithRefUnwrap(proxy, setupResult, key);
}
}
}
}
else if (setupResult !== undefined) {
warn(`setup() should return an object. Received: ${setupResult === null ? 'null' : typeof setupResult}`);
}
}
}
function createSetupContext(vm) {
let exposeCalled = false;
return {
get attrs() {
if (!vm._attrsProxy) {
const proxy = (vm._attrsProxy = {});
def(proxy, '_v_attr_proxy', true);
syncSetupProxy(proxy, vm.$attrs, emptyObject, vm, '$attrs');
}
return vm._attrsProxy;
},
get listeners() {
if (!vm._listenersProxy) {
const proxy = (vm._listenersProxy = {});
syncSetupProxy(proxy, vm.$listeners, emptyObject, vm, '$listeners');
}
return vm._listenersProxy;
},
get slots() {
return initSlotsProxy(vm);
},
emit: bind(vm.$emit, vm),
expose(exposed) {
{
if (exposeCalled) {
warn(`expose() should be called only once per setup().`, vm);
}
exposeCalled = true;
}
if (exposed) {
Object.keys(exposed).forEach(key => proxyWithRefUnwrap(vm, exposed, key));
}
}
};
}
function syncSetupProxy(to, from, prev, instance, type) {
let changed = false;
for (const key in from) {
if (!(key in to)) {
changed = true;
defineProxyAttr(to, key, instance, type);
}
else if (from[key] !== prev[key]) {
changed = true;
}
}
for (const key in to) {
if (!(key in from)) {
changed = true;
delete to[key];
}
}
return changed;
}
function defineProxyAttr(proxy, key, instance, type) {
Object.defineProperty(proxy, key, {
enumerable: true,
configurable: true,
get() {
return instance[type][key];
}
});
}
function initSlotsProxy(vm) {
if (!vm._slotsProxy) {
syncSetupSlots((vm._slotsProxy = {}), vm.$scopedSlots);
}
return vm._slotsProxy;
}
function syncSetupSlots(to, from) {
for (const key in from) {
to[key] = from[key];
}
for (const key in to) {
if (!(key in from)) {
delete to[key];
}
}
}
/**
* @internal use manual type def because public setup context type relies on
* legacy VNode types
*/
function useSlots() {
return getContext().slots;
}
/**
* @internal use manual type def because public setup context type relies on
* legacy VNode types
*/
function useAttrs() {
return getContext().attrs;
}
/**
* Vue 2 only
* @internal use manual type def because public setup context type relies on
* legacy VNode types
*/
function useListeners() {
return getContext().listeners;
}
function getContext() {
if (!currentInstance) {
warn(`useContext() called without active instance.`);
}
const vm = currentInstance;
return vm._setupContext || (vm._setupContext = createSetupContext(vm));
}
/**
* Runtime helper for merging default declarations. Imported by compiled code
* only.
* @internal
*/
function mergeDefaults(raw, defaults) {
const props = isArray(raw)
? raw.reduce((normalized, p) => ((normalized[p] = {}), normalized), {})
: raw;
for (const key in defaults) {
const opt = props[key];
if (opt) {
if (isArray(opt) || isFunction(opt)) {
props[key] = { type: opt, default: defaults[key] };
}
else {
opt.default = defaults[key];
}
}
else if (opt === null) {
props[key] = { default: defaults[key] };
}
else {
warn(`props default key "${key}" has no corresponding declaration.`);
}
}
return props;
}
function initRender(vm) {
vm._vnode = null; // the root of the child tree
vm._staticTrees = null; // v-once cached trees
const options = vm.$options;
const parentVnode = (vm.$vnode = options._parentVnode); // the placeholder node in parent tree
const renderContext = parentVnode && parentVnode.context;
vm.$slots = resolveSlots(options._renderChildren, renderContext);
vm.$scopedSlots = parentVnode
? normalizeScopedSlots(vm.$parent, parentVnode.data.scopedSlots, vm.$slots)
: emptyObject;
// bind the createElement fn to this instance
// so that we get proper render context inside it.
// args order: tag, data, children, normalizationType, alwaysNormalize
// internal version is used by render functions compiled from templates
// @ts-expect-error
vm._c = (a, b, c, d) => createElement$1(vm, a, b, c, d, false);
// normalization is always applied for the public version, used in
// user-written render functions.
// @ts-expect-error
vm.$createElement = (a, b, c, d) => createElement$1(vm, a, b, c, d, true);
// $attrs & $listeners are exposed for easier HOC creation.
// they need to be reactive so that HOCs using them are always updated
const parentData = parentVnode && parentVnode.data;
/* istanbul ignore else */
{
defineReactive(vm, '$attrs', (parentData && parentData.attrs) || emptyObject, () => {
!isUpdatingChildComponent && warn(`$attrs is readonly.`, vm);
}, true);
defineReactive(vm, '$listeners', options._parentListeners || emptyObject, () => {
!isUpdatingChildComponent && warn(`$listeners is readonly.`, vm);
}, true);
}
}
let currentRenderingInstance = null;
function renderMixin(Vue) {
// install runtime convenience helpers
installRenderHelpers(Vue.prototype);
Vue.prototype.$nextTick = function (fn) {
return nextTick(fn, this);
};
Vue.prototype._render = function () {
const vm = this;
const { render, _parentVnode } = vm.$options;
if (_parentVnode && vm._isMounted) {
vm.$scopedSlots = normalizeScopedSlots(vm.$parent, _parentVnode.data.scopedSlots, vm.$slots, vm.$scopedSlots);
if (vm._slotsProxy) {
syncSetupSlots(vm._slotsProxy, vm.$scopedSlots);
}
}
// set parent vnode. this allows render functions to have access
// to the data on the placeholder node.
vm.$vnode = _parentVnode;
// render self
const prevInst = currentInstance;
const prevRenderInst = currentRenderingInstance;
let vnode;
try {
setCurrentInstance(vm);
currentRenderingInstance = vm;
vnode = render.call(vm._renderProxy, vm.$createElement);
}
catch (e) {
handleError(e, vm, `render`);
// return error render result,
// or previous vnode to prevent render error causing blank component
/* istanbul ignore else */
if (vm.$options.renderError) {
try {
vnode = vm.$options.renderError.call(vm._renderProxy, vm.$createElement, e);
}
catch (e) {
handleError(e, vm, `renderError`);
vnode = vm._vnode;
}
}
else {
vnode = vm._vnode;
}
}
finally {
currentRenderingInstance = prevRenderInst;
setCurrentInstance(prevInst);
}
// if the returned array contains only a single node, allow it
if (isArray(vnode) && vnode.length === 1) {
vnode = vnode[0];
}
// return empty vnode in case the render function errored out
if (!(vnode instanceof VNode)) {
if (isArray(vnode)) {
warn('Multiple root nodes returned from render function. Render function ' +
'should return a single root node.', vm);
}
vnode = createEmptyVNode();
}
// set parent
vnode.parent = _parentVnode;
return vnode;
};
}
function ensureCtor(comp, base) {
if (comp.__esModule || (hasSymbol && comp[Symbol.toStringTag] === 'Module')) {
comp = comp.default;
}
return isObject(comp) ? base.extend(comp) : comp;
}
function createAsyncPlaceholder(factory, data, context, children, tag) {
const node = createEmptyVNode();
node.asyncFactory = factory;
node.asyncMeta = { data, context, children, tag };
return node;
}
function resolveAsyncComponent(factory, baseCtor) {
if (isTrue(factory.error) && isDef(factory.errorComp)) {
return factory.errorComp;
}
if (isDef(factory.resolved)) {
return factory.resolved;
}
const owner = currentRenderingInstance;
if (owner && isDef(factory.owners) && factory.owners.indexOf(owner) === -1) {
// already pending
factory.owners.push(owner);
}
if (isTrue(factory.loading) && isDef(factory.loadingComp)) {
return factory.loadingComp;
}
if (owner && !isDef(factory.owners)) {
const owners = (factory.owners = [owner]);
let sync = true;
let timerLoading = null;
let timerTimeout = null;
owner.$on('hook:destroyed', () => remove$2(owners, owner));
const forceRender = (renderCompleted) => {
for (let i = 0, l = owners.length; i < l; i++) {
owners[i].$forceUpdate();
}
if (renderCompleted) {
owners.length = 0;
if (timerLoading !== null) {
clearTimeout(timerLoading);
timerLoading = null;
}
if (timerTimeout !== null) {
clearTimeout(timerTimeout);
timerTimeout = null;
}
}
};
const resolve = once((res) => {
// cache resolved
factory.resolved = ensureCtor(res, baseCtor);
// invoke callbacks only if this is not a synchronous resolve
// (async resolves are shimmed as synchronous during SSR)
if (!sync) {
forceRender(true);
}
else {
owners.length = 0;
}
});
const reject = once(reason => {
warn(`Failed to resolve async component: ${String(factory)}` +
(reason ? `\nReason: ${reason}` : ''));
if (isDef(factory.errorComp)) {
factory.error = true;
forceRender(true);
}
});
const res = factory(resolve, reject);
if (isObject(res)) {
if (isPromise(res)) {
// () => Promise
if (isUndef(factory.resolved)) {
res.then(resolve, reject);
}
}
else if (isPromise(res.component)) {
res.component.then(resolve, reject);
if (isDef(res.error)) {
factory.errorComp = ensureCtor(res.error, baseCtor);
}
if (isDef(res.loading)) {
factory.loadingComp = ensureCtor(res.loading, baseCtor);
if (res.delay === 0) {
factory.loading = true;
}
else {
// @ts-expect-error NodeJS timeout type
timerLoading = setTimeout(() => {
timerLoading = null;
if (isUndef(factory.resolved) && isUndef(factory.error)) {
factory.loading = true;
forceRender(false);
}
}, res.delay || 200);
}
}
if (isDef(res.timeout)) {
// @ts-expect-error NodeJS timeout type
timerTimeout = setTimeout(() => {
timerTimeout = null;
if (isUndef(factory.resolved)) {
reject(`timeout (${res.timeout}ms)` );
}
}, res.timeout);
}
}
}
sync = false;
// return in case resolved synchronously
return factory.loading ? factory.loadingComp : factory.resolved;
}
}
function getFirstComponentChild(children) {
if (isArray(children)) {
for (let i = 0; i < children.length; i++) {
const c = children[i];
if (isDef(c) && (isDef(c.componentOptions) || isAsyncPlaceholder(c))) {
return c;
}
}
}
}
const SIMPLE_NORMALIZE = 1;
const ALWAYS_NORMALIZE = 2;
// wrapper function for providing a more flexible interface
// without getting yelled at by flow
function createElement$1(context, tag, data, children, normalizationType, alwaysNormalize) {
if (isArray(data) || isPrimitive(data)) {
normalizationType = children;
children = data;
data = undefined;
}
if (isTrue(alwaysNormalize)) {
normalizationType = ALWAYS_NORMALIZE;
}
return _createElement(context, tag, data, children, normalizationType);
}
function _createElement(context, tag, data, children, normalizationType) {
if (isDef(data) && isDef(data.__ob__)) {
warn(`Avoid using observed data object as vnode data: ${JSON.stringify(data)}\n` + 'Always create fresh vnode data objects in each render!', context);
return createEmptyVNode();
}
// object syntax in v-bind
if (isDef(data) && isDef(data.is)) {
tag = data.is;
}
if (!tag) {
// in case of component :is set to falsy value
return createEmptyVNode();
}
// warn against non-primitive key
if (isDef(data) && isDef(data.key) && !isPrimitive(data.key)) {
warn('Avoid using non-primitive value as key, ' +
'use string/number value instead.', context);
}
// support single function children as default scoped slot
if (isArray(children) && isFunction(children[0])) {
data = data || {};
data.scopedSlots = { default: children[0] };
children.length = 0;
}
if (normalizationType === ALWAYS_NORMALIZE) {
children = normalizeChildren(children);
}
else if (normalizationType === SIMPLE_NORMALIZE) {
children = simpleNormalizeChildren(children);
}
let vnode, ns;
if (typeof tag === 'string') {
let Ctor;
ns = (context.$vnode && context.$vnode.ns) || config.getTagNamespace(tag);
if (config.isReservedTag(tag)) {
// platform built-in elements
if (isDef(data) &&
isDef(data.nativeOn) &&
data.tag !== 'component') {
warn(`The .native modifier for v-on is only valid on components but it was used on <${tag}>.`, context);
}
vnode = new VNode(config.parsePlatformTagName(tag), data, children, undefined, undefined, context);
}
else if ((!data || !data.pre) &&
isDef((Ctor = resolveAsset(context.$options, 'components', tag)))) {
// component
vnode = createComponent(Ctor, data, context, children, tag);
}
else {
// unknown or unlisted namespaced elements
// check at runtime because it may get assigned a namespace when its
// parent normalizes children
vnode = new VNode(tag, data, children, undefined, undefined, context);
}
}
else {
// direct component options / constructor
vnode = createComponent(tag, data, context, children);
}
if (isArray(vnode)) {
return vnode;
}
else if (isDef(vnode)) {
if (isDef(ns))
applyNS(vnode, ns);
if (isDef(data))
registerDeepBindings(data);
return vnode;
}
else {
return createEmptyVNode();
}
}
function applyNS(vnode, ns, force) {
vnode.ns = ns;
if (vnode.tag === 'foreignObject') {
// use default namespace inside foreignObject
ns = undefined;
force = true;
}
if (isDef(vnode.children)) {
for (let i = 0, l = vnode.children.length; i < l; i++) {
const child = vnode.children[i];
if (isDef(child.tag) &&
(isUndef(child.ns) || (isTrue(force) && child.tag !== 'svg'))) {
applyNS(child, ns, force);
}
}
}
}
// ref #5318
// necessary to ensure parent re-render when deep bindings like :style and
// :class are used on slot nodes
function registerDeepBindings(data) {
if (isObject(data.style)) {
traverse(data.style);
}
if (isObject(data.class)) {
traverse(data.class);
}
}
/**
* @internal this function needs manual public type declaration because it relies
* on previously manually authored types from Vue 2
*/
function h(type, props, children) {
if (!currentInstance) {
warn(`globally imported h() can only be invoked when there is an active ` +
`component instance, e.g. synchronously in a component's render or setup function.`);
}
return createElement$1(currentInstance, type, props, children, 2, true);
}
function handleError(err, vm, info) {
// Deactivate deps tracking while processing error handler to avoid possible infinite rendering.
// See: https://github.com/vuejs/vuex/issues/1505
pushTarget();
try {
if (vm) {
let cur = vm;
while ((cur = cur.$parent)) {
const hooks = cur.$options.errorCaptured;
if (hooks) {
for (let i = 0; i < hooks.length; i++) {
try {
const capture = hooks[i].call(cur, err, vm, info) === false;
if (capture)
return;
}
catch (e) {
globalHandleError(e, cur, 'errorCaptured hook');
}
}
}
}
}
globalHandleError(err, vm, info);
}
finally {
popTarget();
}
}
function invokeWithErrorHandling(handler, context, args, vm, info) {
let res;
try {
res = args ? handler.apply(context, args) : handler.call(context);
if (res && !res._isVue && isPromise(res) && !res._handled) {
res.catch(e => handleError(e, vm, info + ` (Promise/async)`));
res._handled = true;
}
}
catch (e) {
handleError(e, vm, info);
}
return res;
}
function globalHandleError(err, vm, info) {
if (config.errorHandler) {
try {
return config.errorHandler.call(null, err, vm, info);
}
catch (e) {
// if the user intentionally throws the original error in the handler,
// do not log it twice
if (e !== err) {
logError(e, null, 'config.errorHandler');
}
}
}
logError(err, vm, info);
}
function logError(err, vm, info) {
{
warn(`Error in ${info}: "${err.toString()}"`, vm);
}
/* istanbul ignore else */
if (inBrowser && typeof console !== 'undefined') {
console.error(err);
}
else {
throw err;
}
}
/* globals MutationObserver */
let isUsingMicroTask = false;
const callbacks = [];
let pending = false;
function flushCallbacks() {
pending = false;
const copies = callbacks.slice(0);
callbacks.length = 0;
for (let i = 0; i < copies.length; i++) {
copies[i]();
}
}
// Here we have async deferring wrappers using microtasks.
// In 2.5 we used (macro) tasks (in combination with microtasks).
// However, it has subtle problems when state is changed right before repaint
// (e.g. #6813, out-in transitions).
// Also, using (macro) tasks in event handler would cause some weird behaviors
// that cannot be circumvented (e.g. #7109, #7153, #7546, #7834, #8109).
// So we now use microtasks everywhere, again.
// A major drawback of this tradeoff is that there are some scenarios
// where microtasks have too high a priority and fire in between supposedly
// sequential events (e.g. #4521, #6690, which have workarounds)
// or even between bubbling of the same event (#6566).
let timerFunc;
// The nextTick behavior leverages the microtask queue, which can be accessed
// via either native Promise.then or MutationObserver.
// MutationObserver has wider support, however it is seriously bugged in
// UIWebView in iOS >= 9.3.3 when triggered in touch event handlers. It
// completely stops working after triggering a few times... so, if native
// Promise is available, we will use it:
/* istanbul ignore next, $flow-disable-line */
if (typeof Promise !== 'undefined' && isNative(Promise)) {
const p = Promise.resolve();
timerFunc = () => {
p.then(flushCallbacks);
// In problematic UIWebViews, Promise.then doesn't completely break, but
// it can get stuck in a weird state where callbacks are pushed into the
// microtask queue but the queue isn't being flushed, until the browser
// needs to do some other work, e.g. handle a timer. Therefore we can
// "force" the microtask queue to be flushed by adding an empty timer.
if (isIOS)
setTimeout(noop);
};
isUsingMicroTask = true;
}
else if (!isIE &&
typeof MutationObserver !== 'undefined' &&
(isNative(MutationObserver) ||
// PhantomJS and iOS 7.x
MutationObserver.toString() === '[object MutationObserverConstructor]')) {
// Use MutationObserver where native Promise is not available,
// e.g. PhantomJS, iOS7, Android 4.4
// (#6466 MutationObserver is unreliable in IE11)
let counter = 1;
const observer = new MutationObserver(flushCallbacks);
const textNode = document.createTextNode(String(counter));
observer.observe(textNode, {
characterData: true
});
timerFunc = () => {
counter = (counter + 1) % 2;
textNode.data = String(counter);
};
isUsingMicroTask = true;
}
else if (typeof setImmediate !== 'undefined' && isNative(setImmediate)) {
// Fallback to setImmediate.
// Technically it leverages the (macro) task queue,
// but it is still a better choice than setTimeout.
timerFunc = () => {
setImmediate(flushCallbacks);
};
}
else {
// Fallback to setTimeout.
timerFunc = () => {
setTimeout(flushCallbacks, 0);
};
}
/**
* @internal
*/
function nextTick(cb, ctx) {
let _resolve;
callbacks.push(() => {
if (cb) {
try {
cb.call(ctx);
}
catch (e) {
handleError(e, ctx, 'nextTick');
}
}
else if (_resolve) {
_resolve(ctx);
}
});
if (!pending) {
pending = true;
timerFunc();
}
// $flow-disable-line
if (!cb && typeof Promise !== 'undefined') {
return new Promise(resolve => {
_resolve = resolve;
});
}
}
function useCssModule(name = '$style') {
/* istanbul ignore else */
{
if (!currentInstance) {
warn(`useCssModule must be called inside setup()`);
return emptyObject;
}
const mod = currentInstance[name];
if (!mod) {
warn(`Current instance does not have CSS module named "${name}".`);
return emptyObject;
}
return mod;
}
}
/**
* Runtime helper for SFC's CSS variable injection feature.
* @private
*/
function useCssVars(getter) {
if (!inBrowser && !false)
return;
const instance = currentInstance;
if (!instance) {
warn(`useCssVars is called without current active component instance.`);
return;
}
watchPostEffect(() => {
const el = instance.$el;
const vars = getter(instance, instance._setupProxy);
if (el && el.nodeType === 1) {
const style = el.style;
for (const key in vars) {
style.setProperty(`--${key}`, vars[key]);
}
}
});
}
/**
* v3-compatible async component API.
* @internal the type is manually declared in <root>/types/v3-define-async-component.d.ts
* because it relies on existing manual types
*/
function defineAsyncComponent(source) {
if (isFunction(source)) {
source = { loader: source };
}
const { loader, loadingComponent, errorComponent, delay = 200, timeout, // undefined = never times out
suspensible = false, // in Vue 3 default is true
onError: userOnError } = source;
if (suspensible) {
warn(`The suspensible option for async components is not supported in Vue2. It is ignored.`);
}
let pendingRequest = null;
let retries = 0;
const retry = () => {
retries++;
pendingRequest = null;
return load();
};
const load = () => {
let thisRequest;
return (pendingRequest ||
(thisRequest = pendingRequest =
loader()
.catch(err => {
err = err instanceof Error ? err : new Error(String(err));
if (userOnError) {
return new Promise((resolve, reject) => {
const userRetry = () => resolve(retry());
const userFail = () => reject(err);
userOnError(err, userRetry, userFail, retries + 1);
});
}
else {
throw err;
}
})
.then((comp) => {
if (thisRequest !== pendingRequest && pendingRequest) {
return pendingRequest;
}
if (!comp) {
warn(`Async component loader resolved to undefined. ` +
`If you are using retry(), make sure to return its return value.`);
}
// interop module default
if (comp &&
(comp.__esModule || comp[Symbol.toStringTag] === 'Module')) {
comp = comp.default;
}
if (comp && !isObject(comp) && !isFunction(comp)) {
throw new Error(`Invalid async component load result: ${comp}`);
}
return comp;
})));
};
return () => {
const component = load();
return {
component,
delay,
timeout,
error: errorComponent,
loading: loadingComponent
};
};
}
function createLifeCycle(hookName) {
return (fn, target = currentInstance) => {
if (!target) {
warn(`${formatName(hookName)} is called when there is no active component instance to be ` +
`associated with. ` +
`Lifecycle injection APIs can only be used during execution of setup().`);
return;
}
return injectHook(target, hookName, fn);
};
}
function formatName(name) {
if (name === 'beforeDestroy') {
name = 'beforeUnmount';
}
else if (name === 'destroyed') {
name = 'unmounted';
}
return `on${name[0].toUpperCase() + name.slice(1)}`;
}
function injectHook(instance, hookName, fn) {
const options = instance.$options;
options[hookName] = mergeLifecycleHook(options[hookName], fn);
}
const onBeforeMount = createLifeCycle('beforeMount');
const onMounted = createLifeCycle('mounted');
const onBeforeUpdate = createLifeCycle('beforeUpdate');
const onUpdated = createLifeCycle('updated');
const onBeforeUnmount = createLifeCycle('beforeDestroy');
const onUnmounted = createLifeCycle('destroyed');
const onActivated = createLifeCycle('activated');
const onDeactivated = createLifeCycle('deactivated');
const onServerPrefetch = createLifeCycle('serverPrefetch');
const onRenderTracked = createLifeCycle('renderTracked');
const onRenderTriggered = createLifeCycle('renderTriggered');
const injectErrorCapturedHook = createLifeCycle('errorCaptured');
function onErrorCaptured(hook, target = currentInstance) {
injectErrorCapturedHook(hook, target);
}
/**
* Note: also update dist/vue.runtime.mjs when adding new exports to this file.
*/
const version = '2.7.16';
/**
* @internal type is manually declared in <root>/types/v3-define-component.d.ts
*/
function defineComponent(options) {
return options;
}
var vca = /*#__PURE__*/Object.freeze({
__proto__: null,
version: version,
defineComponent: defineComponent,
ref: ref$1,
shallowRef: shallowRef,
isRef: isRef,
toRef: toRef,
toRefs: toRefs,
unref: unref,
proxyRefs: proxyRefs,
customRef: customRef,
triggerRef: triggerRef,
reactive: reactive,
isReactive: isReactive,
isReadonly: isReadonly,
isShallow: isShallow,
isProxy: isProxy,
shallowReactive: shallowReactive,
markRaw: markRaw,
toRaw: toRaw,
readonly: readonly,
shallowReadonly: shallowReadonly,
computed: computed,
watch: watch,
watchEffect: watchEffect,
watchPostEffect: watchPostEffect,
watchSyncEffect: watchSyncEffect,
EffectScope: EffectScope,
effectScope: effectScope,
onScopeDispose: onScopeDispose,
getCurrentScope: getCurrentScope,
provide: provide,
inject: inject,
h: h,
getCurrentInstance: getCurrentInstance,
useSlots: useSlots,
useAttrs: useAttrs,
useListeners: useListeners,
mergeDefaults: mergeDefaults,
nextTick: nextTick,
set: set,
del: del,
useCssModule: useCssModule,
useCssVars: useCssVars,
defineAsyncComponent: defineAsyncComponent,
onBeforeMount: onBeforeMount,
onMounted: onMounted,
onBeforeUpdate: onBeforeUpdate,
onUpdated: onUpdated,
onBeforeUnmount: onBeforeUnmount,
onUnmounted: onUnmounted,
onActivated: onActivated,
onDeactivated: onDeactivated,
onServerPrefetch: onServerPrefetch,
onRenderTracked: onRenderTracked,
onRenderTriggered: onRenderTriggered,
onErrorCaptured: onErrorCaptured
});
const seenObjects = new _Set();
/**
* Recursively traverse an object to evoke all converted
* getters, so that every nested property inside the object
* is collected as a "deep" dependency.
*/
function traverse(val) {
_traverse(val, seenObjects);
seenObjects.clear();
return val;
}
function _traverse(val, seen) {
let i, keys;
const isA = isArray(val);
if ((!isA && !isObject(val)) ||
val.__v_skip /* ReactiveFlags.SKIP */ ||
Object.isFrozen(val) ||
val instanceof VNode) {
return;
}
if (val.__ob__) {
const depId = val.__ob__.dep.id;
if (seen.has(depId)) {
return;
}
seen.add(depId);
}
if (isA) {
i = val.length;
while (i--)
_traverse(val[i], seen);
}
else if (isRef(val)) {
_traverse(val.value, seen);
}
else {
keys = Object.keys(val);
i = keys.length;
while (i--)
_traverse(val[keys[i]], seen);
}
}
let uid$1 = 0;
/**
* A watcher parses an expression, collects dependencies,
* and fires callback when the expression value changes.
* This is used for both the $watch() api and directives.
* @internal
*/
class Watcher {
constructor(vm, expOrFn, cb, options, isRenderWatcher) {
recordEffectScope(this,
// if the active effect scope is manually created (not a component scope),
// prioritize it
activeEffectScope && !activeEffectScope._vm
? activeEffectScope
: vm
? vm._scope
: undefined);
if ((this.vm = vm) && isRenderWatcher) {
vm._watcher = this;
}
// options
if (options) {
this.deep = !!options.deep;
this.user = !!options.user;
this.lazy = !!options.lazy;
this.sync = !!options.sync;
this.before = options.before;
{
this.onTrack = options.onTrack;
this.onTrigger = options.onTrigger;
}
}
else {
this.deep = this.user = this.lazy = this.sync = false;
}
this.cb = cb;
this.id = ++uid$1; // uid for batching
this.active = true;
this.post = false;
this.dirty = this.lazy; // for lazy watchers
this.deps = [];
this.newDeps = [];
this.depIds = new _Set();
this.newDepIds = new _Set();
this.expression = expOrFn.toString() ;
// parse expression for getter
if (isFunction(expOrFn)) {
this.getter = expOrFn;
}
else {
this.getter = parsePath(expOrFn);
if (!this.getter) {
this.getter = noop;
warn(`Failed watching path: "${expOrFn}" ` +
'Watcher only accepts simple dot-delimited paths. ' +
'For full control, use a function instead.', vm);
}
}
this.value = this.lazy ? undefined : this.get();
}
/**
* Evaluate the getter, and re-collect dependencies.
*/
get() {
pushTarget(this);
let value;
const vm = this.vm;
try {
value = this.getter.call(vm, vm);
}
catch (e) {
if (this.user) {
handleError(e, vm, `getter for watcher "${this.expression}"`);
}
else {
throw e;
}
}
finally {
// "touch" every property so they are all tracked as
// dependencies for deep watching
if (this.deep) {
traverse(value);
}
popTarget();
this.cleanupDeps();
}
return value;
}
/**
* Add a dependency to this directive.
*/
addDep(dep) {
const id = dep.id;
if (!this.newDepIds.has(id)) {
this.newDepIds.add(id);
this.newDeps.push(dep);
if (!this.depIds.has(id)) {
dep.addSub(this);
}
}
}
/**
* Clean up for dependency collection.
*/
cleanupDeps() {
let i = this.deps.length;
while (i--) {
const dep = this.deps[i];
if (!this.newDepIds.has(dep.id)) {
dep.removeSub(this);
}
}
let tmp = this.depIds;
this.depIds = this.newDepIds;
this.newDepIds = tmp;
this.newDepIds.clear();
tmp = this.deps;
this.deps = this.newDeps;
this.newDeps = tmp;
this.newDeps.length = 0;
}
/**
* Subscriber interface.
* Will be called when a dependency changes.
*/
update() {
/* istanbul ignore else */
if (this.lazy) {
this.dirty = true;
}
else if (this.sync) {
this.run();
}
else {
queueWatcher(this);
}
}
/**
* Scheduler job interface.
* Will be called by the scheduler.
*/
run() {
if (this.active) {
const value = this.get();
if (value !== this.value ||
// Deep watchers and watchers on Object/Arrays should fire even
// when the value is the same, because the value may
// have mutated.
isObject(value) ||
this.deep) {
// set new value
const oldValue = this.value;
this.value = value;
if (this.user) {
const info = `callback for watcher "${this.expression}"`;
invokeWithErrorHandling(this.cb, this.vm, [value, oldValue], this.vm, info);
}
else {
this.cb.call(this.vm, value, oldValue);
}
}
}
}
/**
* Evaluate the value of the watcher.
* This only gets called for lazy watchers.
*/
evaluate() {
this.value = this.get();
this.dirty = false;
}
/**
* Depend on all deps collected by this watcher.
*/
depend() {
let i = this.deps.length;
while (i--) {
this.deps[i].depend();
}
}
/**
* Remove self from all dependencies' subscriber list.
*/
teardown() {
if (this.vm && !this.vm._isBeingDestroyed) {
remove$2(this.vm._scope.effects, this);
}
if (this.active) {
let i = this.deps.length;
while (i--) {
this.deps[i].removeSub(this);
}
this.active = false;
if (this.onStop) {
this.onStop();
}
}
}
}
let mark;
let measure;
{
const perf = inBrowser && window.performance;
/* istanbul ignore if */
if (perf &&
// @ts-ignore
perf.mark &&
// @ts-ignore
perf.measure &&
// @ts-ignore
perf.clearMarks &&
// @ts-ignore
perf.clearMeasures) {
mark = tag => perf.mark(tag);
measure = (name, startTag, endTag) => {
perf.measure(name, startTag, endTag);
perf.clearMarks(startTag);
perf.clearMarks(endTag);
// perf.clearMeasures(name)
};
}
}
function initEvents(vm) {
vm._events = Object.create(null);
vm._hasHookEvent = false;
// init parent attached events
const listeners = vm.$options._parentListeners;
if (listeners) {
updateComponentListeners(vm, listeners);
}
}
let target$1;
function add$1(event, fn) {
target$1.$on(event, fn);
}
function remove$1(event, fn) {
target$1.$off(event, fn);
}
function createOnceHandler$1(event, fn) {
const _target = target$1;
return function onceHandler() {
const res = fn.apply(null, arguments);
if (res !== null) {
_target.$off(event, onceHandler);
}
};
}
function updateComponentListeners(vm, listeners, oldListeners) {
target$1 = vm;
updateListeners(listeners, oldListeners || {}, add$1, remove$1, createOnceHandler$1, vm);
target$1 = undefined;
}
function eventsMixin(Vue) {
const hookRE = /^hook:/;
Vue.prototype.$on = function (event, fn) {
const vm = this;
if (isArray(event)) {
for (let i = 0, l = event.length; i < l; i++) {
vm.$on(event[i], fn);
}
}
else {
(vm._events[event] || (vm._events[event] = [])).push(fn);
// optimize hook:event cost by using a boolean flag marked at registration
// instead of a hash lookup
if (hookRE.test(event)) {
vm._hasHookEvent = true;
}
}
return vm;
};
Vue.prototype.$once = function (event, fn) {
const vm = this;
function on() {
vm.$off(event, on);
fn.apply(vm, arguments);
}
on.fn = fn;
vm.$on(event, on);
return vm;
};
Vue.prototype.$off = function (event, fn) {
const vm = this;
// all
if (!arguments.length) {
vm._events = Object.create(null);
return vm;
}
// array of events
if (isArray(event)) {
for (let i = 0, l = event.length; i < l; i++) {
vm.$off(event[i], fn);
}
return vm;
}
// specific event
const cbs = vm._events[event];
if (!cbs) {
return vm;
}
if (!fn) {
vm._events[event] = null;
return vm;
}
// specific handler
let cb;
let i = cbs.length;
while (i--) {
cb = cbs[i];
if (cb === fn || cb.fn === fn) {
cbs.splice(i, 1);
break;
}
}
return vm;
};
Vue.prototype.$emit = function (event) {
const vm = this;
{
const lowerCaseEvent = event.toLowerCase();
if (lowerCaseEvent !== event && vm._events[lowerCaseEvent]) {
tip(`Event "${lowerCaseEvent}" is emitted in component ` +
`${formatComponentName(vm)} but the handler is registered for "${event}". ` +
`Note that HTML attributes are case-insensitive and you cannot use ` +
`v-on to listen to camelCase events when using in-DOM templates. ` +
`You should probably use "${hyphenate(event)}" instead of "${event}".`);
}
}
let cbs = vm._events[event];
if (cbs) {
cbs = cbs.length > 1 ? toArray(cbs) : cbs;
const args = toArray(arguments, 1);
const info = `event handler for "${event}"`;
for (let i = 0, l = cbs.length; i < l; i++) {
invokeWithErrorHandling(cbs[i], vm, args, vm, info);
}
}
return vm;
};
}
let activeInstance = null;
let isUpdatingChildComponent = false;
function setActiveInstance(vm) {
const prevActiveInstance = activeInstance;
activeInstance = vm;
return () => {
activeInstance = prevActiveInstance;
};
}
function initLifecycle(vm) {
const options = vm.$options;
// locate first non-abstract parent
let parent = options.parent;
if (parent && !options.abstract) {
while (parent.$options.abstract && parent.$parent) {
parent = parent.$parent;
}
parent.$children.push(vm);
}
vm.$parent = parent;
vm.$root = parent ? parent.$root : vm;
vm.$children = [];
vm.$refs = {};
vm._provided = parent ? parent._provided : Object.create(null);
vm._watcher = null;
vm._inactive = null;
vm._directInactive = false;
vm._isMounted = false;
vm._isDestroyed = false;
vm._isBeingDestroyed = false;
}
function lifecycleMixin(Vue) {
Vue.prototype._update = function (vnode, hydrating) {
const vm = this;
const prevEl = vm.$el;
const prevVnode = vm._vnode;
const restoreActiveInstance = setActiveInstance(vm);
vm._vnode = vnode;
// Vue.prototype.__patch__ is injected in entry points
// based on the rendering backend used.
if (!prevVnode) {
// initial render
vm.$el = vm.__patch__(vm.$el, vnode, hydrating, false /* removeOnly */);
}
else {
// updates
vm.$el = vm.__patch__(prevVnode, vnode);
}
restoreActiveInstance();
// update __vue__ reference
if (prevEl) {
prevEl.__vue__ = null;
}
if (vm.$el) {
vm.$el.__vue__ = vm;
}
// if parent is an HOC, update its $el as well
let wrapper = vm;
while (wrapper &&
wrapper.$vnode &&
wrapper.$parent &&
wrapper.$vnode === wrapper.$parent._vnode) {
wrapper.$parent.$el = wrapper.$el;
wrapper = wrapper.$parent;
}
// updated hook is called by the scheduler to ensure that children are
// updated in a parent's updated hook.
};
Vue.prototype.$forceUpdate = function () {
const vm = this;
if (vm._watcher) {
vm._watcher.update();
}
};
Vue.prototype.$destroy = function () {
const vm = this;
if (vm._isBeingDestroyed) {
return;
}
callHook$1(vm, 'beforeDestroy');
vm._isBeingDestroyed = true;
// remove self from parent
const parent = vm.$parent;
if (parent && !parent._isBeingDestroyed && !vm.$options.abstract) {
remove$2(parent.$children, vm);
}
// teardown scope. this includes both the render watcher and other
// watchers created
vm._scope.stop();
// remove reference from data ob
// frozen object may not have observer.
if (vm._data.__ob__) {
vm._data.__ob__.vmCount--;
}
// call the last hook...
vm._isDestroyed = true;
// invoke destroy hooks on current rendered tree
vm.__patch__(vm._vnode, null);
// fire destroyed hook
callHook$1(vm, 'destroyed');
// turn off all instance listeners.
vm.$off();
// remove __vue__ reference
if (vm.$el) {
vm.$el.__vue__ = null;
}
// release circular reference (#6759)
if (vm.$vnode) {
vm.$vnode.parent = null;
}
};
}
function mountComponent(vm, el, hydrating) {
vm.$el = el;
if (!vm.$options.render) {
// @ts-expect-error invalid type
vm.$options.render = createEmptyVNode;
{
/* istanbul ignore if */
if ((vm.$options.template && vm.$options.template.charAt(0) !== '#') ||
vm.$options.el ||
el) {
warn('You are using the runtime-only build of Vue where the template ' +
'compiler is not available. Either pre-compile the templates into ' +
'render functions, or use the compiler-included build.', vm);
}
else {
warn('Failed to mount component: template or render function not defined.', vm);
}
}
}
callHook$1(vm, 'beforeMount');
let updateComponent;
/* istanbul ignore if */
if (config.performance && mark) {
updateComponent = () => {
const name = vm._name;
const id = vm._uid;
const startTag = `vue-perf-start:${id}`;
const endTag = `vue-perf-end:${id}`;
mark(startTag);
const vnode = vm._render();
mark(endTag);
measure(`vue ${name} render`, startTag, endTag);
mark(startTag);
vm._update(vnode, hydrating);
mark(endTag);
measure(`vue ${name} patch`, startTag, endTag);
};
}
else {
updateComponent = () => {
vm._update(vm._render(), hydrating);
};
}
const watcherOptions = {
before() {
if (vm._isMounted && !vm._isDestroyed) {
callHook$1(vm, 'beforeUpdate');
}
}
};
{
watcherOptions.onTrack = e => callHook$1(vm, 'renderTracked', [e]);
watcherOptions.onTrigger = e => callHook$1(vm, 'renderTriggered', [e]);
}
// we set this to vm._watcher inside the watcher's constructor
// since the watcher's initial patch may call $forceUpdate (e.g. inside child
// component's mounted hook), which relies on vm._watcher being already defined
new Watcher(vm, updateComponent, noop, watcherOptions, true /* isRenderWatcher */);
hydrating = false;
// flush buffer for flush: "pre" watchers queued in setup()
const preWatchers = vm._preWatchers;
if (preWatchers) {
for (let i = 0; i < preWatchers.length; i++) {
preWatchers[i].run();
}
}
// manually mounted instance, call mounted on self
// mounted is called for render-created child components in its inserted hook
if (vm.$vnode == null) {
vm._isMounted = true;
callHook$1(vm, 'mounted');
}
return vm;
}
function updateChildComponent(vm, propsData, listeners, parentVnode, renderChildren) {
{
isUpdatingChildComponent = true;
}
// determine whether component has slot children
// we need to do this before overwriting $options._renderChildren.
// check if there are dynamic scopedSlots (hand-written or compiled but with
// dynamic slot names). Static scoped slots compiled from template has the
// "$stable" marker.
const newScopedSlots = parentVnode.data.scopedSlots;
const oldScopedSlots = vm.$scopedSlots;
const hasDynamicScopedSlot = !!((newScopedSlots && !newScopedSlots.$stable) ||
(oldScopedSlots !== emptyObject && !oldScopedSlots.$stable) ||
(newScopedSlots && vm.$scopedSlots.$key !== newScopedSlots.$key) ||
(!newScopedSlots && vm.$scopedSlots.$key));
// Any static slot children from the parent may have changed during parent's
// update. Dynamic scoped slots may also have changed. In such cases, a forced
// update is necessary to ensure correctness.
let needsForceUpdate = !!(renderChildren || // has new static slots
vm.$options._renderChildren || // has old static slots
hasDynamicScopedSlot);
const prevVNode = vm.$vnode;
vm.$options._parentVnode = parentVnode;
vm.$vnode = parentVnode; // update vm's placeholder node without re-render
if (vm._vnode) {
// update child tree's parent
vm._vnode.parent = parentVnode;
}
vm.$options._renderChildren = renderChildren;
// update $attrs and $listeners hash
// these are also reactive so they may trigger child update if the child
// used them during render
const attrs = parentVnode.data.attrs || emptyObject;
if (vm._attrsProxy) {
// force update if attrs are accessed and has changed since it may be
// passed to a child component.
if (syncSetupProxy(vm._attrsProxy, attrs, (prevVNode.data && prevVNode.data.attrs) || emptyObject, vm, '$attrs')) {
needsForceUpdate = true;
}
}
vm.$attrs = attrs;
// update listeners
listeners = listeners || emptyObject;
const prevListeners = vm.$options._parentListeners;
if (vm._listenersProxy) {
syncSetupProxy(vm._listenersProxy, listeners, prevListeners || emptyObject, vm, '$listeners');
}
vm.$listeners = vm.$options._parentListeners = listeners;
updateComponentListeners(vm, listeners, prevListeners);
// update props
if (propsData && vm.$options.props) {
toggleObserving(false);
const props = vm._props;
const propKeys = vm.$options._propKeys || [];
for (let i = 0; i < propKeys.length; i++) {
const key = propKeys[i];
const propOptions = vm.$options.props; // wtf flow?
props[key] = validateProp(key, propOptions, propsData, vm);
}
toggleObserving(true);
// keep a copy of raw propsData
vm.$options.propsData = propsData;
}
// resolve slots + force update if has children
if (needsForceUpdate) {
vm.$slots = resolveSlots(renderChildren, parentVnode.context);
vm.$forceUpdate();
}
{
isUpdatingChildComponent = false;
}
}
function isInInactiveTree(vm) {
while (vm && (vm = vm.$parent)) {
if (vm._inactive)
return true;
}
return false;
}
function activateChildComponent(vm, direct) {
if (direct) {
vm._directInactive = false;
if (isInInactiveTree(vm)) {
return;
}
}
else if (vm._directInactive) {
return;
}
if (vm._inactive || vm._inactive === null) {
vm._inactive = false;
for (let i = 0; i < vm.$children.length; i++) {
activateChildComponent(vm.$children[i]);
}
callHook$1(vm, 'activated');
}
}
function deactivateChildComponent(vm, direct) {
if (direct) {
vm._directInactive = true;
if (isInInactiveTree(vm)) {
return;
}
}
if (!vm._inactive) {
vm._inactive = true;
for (let i = 0; i < vm.$children.length; i++) {
deactivateChildComponent(vm.$children[i]);
}
callHook$1(vm, 'deactivated');
}
}
function callHook$1(vm, hook, args, setContext = true) {
// #7573 disable dep collection when invoking lifecycle hooks
pushTarget();
const prevInst = currentInstance;
const prevScope = getCurrentScope();
setContext && setCurrentInstance(vm);
const handlers = vm.$options[hook];
const info = `${hook} hook`;
if (handlers) {
for (let i = 0, j = handlers.length; i < j; i++) {
invokeWithErrorHandling(handlers[i], vm, args || null, vm, info);
}
}
if (vm._hasHookEvent) {
vm.$emit('hook:' + hook);
}
if (setContext) {
setCurrentInstance(prevInst);
prevScope && prevScope.on();
}
popTarget();
}
const MAX_UPDATE_COUNT = 100;
const queue = [];
const activatedChildren = [];
let has = {};
let circular = {};
let waiting = false;
let flushing = false;
let index = 0;
/**
* Reset the scheduler's state.
*/
function resetSchedulerState() {
index = queue.length = activatedChildren.length = 0;
has = {};
{
circular = {};
}
waiting = flushing = false;
}
// Async edge case #6566 requires saving the timestamp when event listeners are
// attached. However, calling performance.now() has a perf overhead especially
// if the page has thousands of event listeners. Instead, we take a timestamp
// every time the scheduler flushes and use that for all event listeners
// attached during that flush.
let currentFlushTimestamp = 0;
// Async edge case fix requires storing an event listener's attach timestamp.
let getNow = Date.now;
// Determine what event timestamp the browser is using. Annoyingly, the
// timestamp can either be hi-res (relative to page load) or low-res
// (relative to UNIX epoch), so in order to compare time we have to use the
// same timestamp type when saving the flush timestamp.
// All IE versions use low-res event timestamps, and have problematic clock
// implementations (#9632)
if (inBrowser && !isIE) {
const performance = window.performance;
if (performance &&
typeof performance.now === 'function' &&
getNow() > document.createEvent('Event').timeStamp) {
// if the event timestamp, although evaluated AFTER the Date.now(), is
// smaller than it, it means the event is using a hi-res timestamp,
// and we need to use the hi-res version for event listener timestamps as
// well.
getNow = () => performance.now();
}
}
const sortCompareFn = (a, b) => {
if (a.post) {
if (!b.post)
return 1;
}
else if (b.post) {
return -1;
}
return a.id - b.id;
};
/**
* Flush both queues and run the watchers.
*/
function flushSchedulerQueue() {
currentFlushTimestamp = getNow();
flushing = true;
let watcher, id;
// Sort queue before flush.
// This ensures that:
// 1. Components are updated from parent to child. (because parent is always
// created before the child)
// 2. A component's user watchers are run before its render watcher (because
// user watchers are created before the render watcher)
// 3. If a component is destroyed during a parent component's watcher run,
// its watchers can be skipped.
queue.sort(sortCompareFn);
// do not cache length because more watchers might be pushed
// as we run existing watchers
for (index = 0; index < queue.length; index++) {
watcher = queue[index];
if (watcher.before) {
watcher.before();
}
id = watcher.id;
has[id] = null;
watcher.run();
// in dev build, check and stop circular updates.
if (has[id] != null) {
circular[id] = (circular[id] || 0) + 1;
if (circular[id] > MAX_UPDATE_COUNT) {
warn('You may have an infinite update loop ' +
(watcher.user
? `in watcher with expression "${watcher.expression}"`
: `in a component render function.`), watcher.vm);
break;
}
}
}
// keep copies of post queues before resetting state
const activatedQueue = activatedChildren.slice();
const updatedQueue = queue.slice();
resetSchedulerState();
// call component updated and activated hooks
callActivatedHooks(activatedQueue);
callUpdatedHooks(updatedQueue);
cleanupDeps();
// devtool hook
/* istanbul ignore if */
if (devtools && config.devtools) {
devtools.emit('flush');
}
}
function callUpdatedHooks(queue) {
let i = queue.length;
while (i--) {
const watcher = queue[i];
const vm = watcher.vm;
if (vm && vm._watcher === watcher && vm._isMounted && !vm._isDestroyed) {
callHook$1(vm, 'updated');
}
}
}
/**
* Queue a kept-alive component that was activated during patch.
* The queue will be processed after the entire tree has been patched.
*/
function queueActivatedComponent(vm) {
// setting _inactive to false here so that a render function can
// rely on checking whether it's in an inactive tree (e.g. router-view)
vm._inactive = false;
activatedChildren.push(vm);
}
function callActivatedHooks(queue) {
for (let i = 0; i < queue.length; i++) {
queue[i]._inactive = true;
activateChildComponent(queue[i], true /* true */);
}
}
/**
* Push a watcher into the watcher queue.
* Jobs with duplicate IDs will be skipped unless it's
* pushed when the queue is being flushed.
*/
function queueWatcher(watcher) {
const id = watcher.id;
if (has[id] != null) {
return;
}
if (watcher === Dep.target && watcher.noRecurse) {
return;
}
has[id] = true;
if (!flushing) {
queue.push(watcher);
}
else {
// if already flushing, splice the watcher based on its id
// if already past its id, it will be run next immediately.
let i = queue.length - 1;
while (i > index && queue[i].id > watcher.id) {
i--;
}
queue.splice(i + 1, 0, watcher);
}
// queue the flush
if (!waiting) {
waiting = true;
if (!config.async) {
flushSchedulerQueue();
return;
}
nextTick(flushSchedulerQueue);
}
}
function initProvide(vm) {
const provideOption = vm.$options.provide;
if (provideOption) {
const provided = isFunction(provideOption)
? provideOption.call(vm)
: provideOption;
if (!isObject(provided)) {
return;
}
const source = resolveProvided(vm);
// IE9 doesn't support Object.getOwnPropertyDescriptors so we have to
// iterate the keys ourselves.
const keys = hasSymbol ? Reflect.ownKeys(provided) : Object.keys(provided);
for (let i = 0; i < keys.length; i++) {
const key = keys[i];
Object.defineProperty(source, key, Object.getOwnPropertyDescriptor(provided, key));
}
}
}
function initInjections(vm) {
const result = resolveInject(vm.$options.inject, vm);
if (result) {
toggleObserving(false);
Object.keys(result).forEach(key => {
/* istanbul ignore else */
{
defineReactive(vm, key, result[key], () => {
warn(`Avoid mutating an injected value directly since the changes will be ` +
`overwritten whenever the provided component re-renders. ` +
`injection being mutated: "${key}"`, vm);
});
}
});
toggleObserving(true);
}
}
function resolveInject(inject, vm) {
if (inject) {
// inject is :any because flow is not smart enough to figure out cached
const result = Object.create(null);
const keys = hasSymbol ? Reflect.ownKeys(inject) : Object.keys(inject);
for (let i = 0; i < keys.length; i++) {
const key = keys[i];
// #6574 in case the inject object is observed...
if (key === '__ob__')
continue;
const provideKey = inject[key].from;
if (provideKey in vm._provided) {
result[key] = vm._provided[provideKey];
}
else if ('default' in inject[key]) {
const provideDefault = inject[key].default;
result[key] = isFunction(provideDefault)
? provideDefault.call(vm)
: provideDefault;
}
else {
warn(`Injection "${key}" not found`, vm);
}
}
return result;
}
}
function FunctionalRenderContext(data, props, children, parent, Ctor) {
const options = Ctor.options;
// ensure the createElement function in functional components
// gets a unique context - this is necessary for correct named slot check
let contextVm;
if (hasOwn(parent, '_uid')) {
contextVm = Object.create(parent);
contextVm._original = parent;
}
else {
// the context vm passed in is a functional context as well.
// in this case we want to make sure we are able to get a hold to the
// real context instance.
contextVm = parent;
// @ts-ignore
parent = parent._original;
}
const isCompiled = isTrue(options._compiled);
const needNormalization = !isCompiled;
this.data = data;
this.props = props;
this.children = children;
this.parent = parent;
this.listeners = data.on || emptyObject;
this.injections = resolveInject(options.inject, parent);
this.slots = () => {
if (!this.$slots) {
normalizeScopedSlots(parent, data.scopedSlots, (this.$slots = resolveSlots(children, parent)));
}
return this.$slots;
};
Object.defineProperty(this, 'scopedSlots', {
enumerable: true,
get() {
return normalizeScopedSlots(parent, data.scopedSlots, this.slots());
}
});
// support for compiled functional template
if (isCompiled) {
// exposing $options for renderStatic()
this.$options = options;
// pre-resolve slots for renderSlot()
this.$slots = this.slots();
this.$scopedSlots = normalizeScopedSlots(parent, data.scopedSlots, this.$slots);
}
if (options._scopeId) {
this._c = (a, b, c, d) => {
const vnode = createElement$1(contextVm, a, b, c, d, needNormalization);
if (vnode && !isArray(vnode)) {
vnode.fnScopeId = options._scopeId;
vnode.fnContext = parent;
}
return vnode;
};
}
else {
this._c = (a, b, c, d) => createElement$1(contextVm, a, b, c, d, needNormalization);
}
}
installRenderHelpers(FunctionalRenderContext.prototype);
function createFunctionalComponent(Ctor, propsData, data, contextVm, children) {
const options = Ctor.options;
const props = {};
const propOptions = options.props;
if (isDef(propOptions)) {
for (const key in propOptions) {
props[key] = validateProp(key, propOptions, propsData || emptyObject);
}
}
else {
if (isDef(data.attrs))
mergeProps(props, data.attrs);
if (isDef(data.props))
mergeProps(props, data.props);
}
const renderContext = new FunctionalRenderContext(data, props, children, contextVm, Ctor);
const vnode = options.render.call(null, renderContext._c, renderContext);
if (vnode instanceof VNode) {
return cloneAndMarkFunctionalResult(vnode, data, renderContext.parent, options, renderContext);
}
else if (isArray(vnode)) {
const vnodes = normalizeChildren(vnode) || [];
const res = new Array(vnodes.length);
for (let i = 0; i < vnodes.length; i++) {
res[i] = cloneAndMarkFunctionalResult(vnodes[i], data, renderContext.parent, options, renderContext);
}
return res;
}
}
function cloneAndMarkFunctionalResult(vnode, data, contextVm, options, renderContext) {
// #7817 clone node before setting fnContext, otherwise if the node is reused
// (e.g. it was from a cached normal slot) the fnContext causes named slots
// that should not be matched to match.
const clone = cloneVNode(vnode);
clone.fnContext = contextVm;
clone.fnOptions = options;
{
(clone.devtoolsMeta = clone.devtoolsMeta || {}).renderContext =
renderContext;
}
if (data.slot) {
(clone.data || (clone.data = {})).slot = data.slot;
}
return clone;
}
function mergeProps(to, from) {
for (const key in from) {
to[camelize(key)] = from[key];
}
}
function getComponentName(options) {
return options.name || options.__name || options._componentTag;
}
// inline hooks to be invoked on component VNodes during patch
const componentVNodeHooks = {
init(vnode, hydrating) {
if (vnode.componentInstance &&
!vnode.componentInstance._isDestroyed &&
vnode.data.keepAlive) {
// kept-alive components, treat as a patch
const mountedNode = vnode; // work around flow
componentVNodeHooks.prepatch(mountedNode, mountedNode);
}
else {
const child = (vnode.componentInstance = createComponentInstanceForVnode(vnode, activeInstance));
child.$mount(hydrating ? vnode.elm : undefined, hydrating);
}
},
prepatch(oldVnode, vnode) {
const options = vnode.componentOptions;
const child = (vnode.componentInstance = oldVnode.componentInstance);
updateChildComponent(child, options.propsData, // updated props
options.listeners, // updated listeners
vnode, // new parent vnode
options.children // new children
);
},
insert(vnode) {
const { context, componentInstance } = vnode;
if (!componentInstance._isMounted) {
componentInstance._isMounted = true;
callHook$1(componentInstance, 'mounted');
}
if (vnode.data.keepAlive) {
if (context._isMounted) {
// vue-router#1212
// During updates, a kept-alive component's child components may
// change, so directly walking the tree here may call activated hooks
// on incorrect children. Instead we push them into a queue which will
// be processed after the whole patch process ended.
queueActivatedComponent(componentInstance);
}
else {
activateChildComponent(componentInstance, true /* direct */);
}
}
},
destroy(vnode) {
const { componentInstance } = vnode;
if (!componentInstance._isDestroyed) {
if (!vnode.data.keepAlive) {
componentInstance.$destroy();
}
else {
deactivateChildComponent(componentInstance, true /* direct */);
}
}
}
};
const hooksToMerge = Object.keys(componentVNodeHooks);
function createComponent(Ctor, data, context, children, tag) {
if (isUndef(Ctor)) {
return;
}
const baseCtor = context.$options._base;
// plain options object: turn it into a constructor
if (isObject(Ctor)) {
Ctor = baseCtor.extend(Ctor);
}
// if at this stage it's not a constructor or an async component factory,
// reject.
if (typeof Ctor !== 'function') {
{
warn(`Invalid Component definition: ${String(Ctor)}`, context);
}
return;
}
// async component
let asyncFactory;
// @ts-expect-error
if (isUndef(Ctor.cid)) {
asyncFactory = Ctor;
Ctor = resolveAsyncComponent(asyncFactory, baseCtor);
if (Ctor === undefined) {
// return a placeholder node for async component, which is rendered
// as a comment node but preserves all the raw information for the node.
// the information will be used for async server-rendering and hydration.
return createAsyncPlaceholder(asyncFactory, data, context, children, tag);
}
}
data = data || {};
// resolve constructor options in case global mixins are applied after
// component constructor creation
resolveConstructorOptions(Ctor);
// transform component v-model data into props & events
if (isDef(data.model)) {
// @ts-expect-error
transformModel(Ctor.options, data);
}
// extract props
// @ts-expect-error
const propsData = extractPropsFromVNodeData(data, Ctor, tag);
// functional component
// @ts-expect-error
if (isTrue(Ctor.options.functional)) {
return createFunctionalComponent(Ctor, propsData, data, context, children);
}
// extract listeners, since these needs to be treated as
// child component listeners instead of DOM listeners
const listeners = data.on;
// replace with listeners with .native modifier
// so it gets processed during parent component patch.
data.on = data.nativeOn;
// @ts-expect-error
if (isTrue(Ctor.options.abstract)) {
// abstract components do not keep anything
// other than props & listeners & slot
// work around flow
const slot = data.slot;
data = {};
if (slot) {
data.slot = slot;
}
}
// install component management hooks onto the placeholder node
installComponentHooks(data);
// return a placeholder vnode
// @ts-expect-error
const name = getComponentName(Ctor.options) || tag;
const vnode = new VNode(
// @ts-expect-error
`vue-component-${Ctor.cid}${name ? `-${name}` : ''}`, data, undefined, undefined, undefined, context,
// @ts-expect-error
{ Ctor, propsData, listeners, tag, children }, asyncFactory);
return vnode;
}
function createComponentInstanceForVnode(
// we know it's MountedComponentVNode but flow doesn't
vnode,
// activeInstance in lifecycle state
parent) {
const options = {
_isComponent: true,
_parentVnode: vnode,
parent
};
// check inline-template render functions
const inlineTemplate = vnode.data.inlineTemplate;
if (isDef(inlineTemplate)) {
options.render = inlineTemplate.render;
options.staticRenderFns = inlineTemplate.staticRenderFns;
}
return new vnode.componentOptions.Ctor(options);
}
function installComponentHooks(data) {
const hooks = data.hook || (data.hook = {});
for (let i = 0; i < hooksToMerge.length; i++) {
const key = hooksToMerge[i];
const existing = hooks[key];
const toMerge = componentVNodeHooks[key];
// @ts-expect-error
if (existing !== toMerge && !(existing && existing._merged)) {
hooks[key] = existing ? mergeHook(toMerge, existing) : toMerge;
}
}
}
function mergeHook(f1, f2) {
const merged = (a, b) => {
// flow complains about extra args which is why we use any
f1(a, b);
f2(a, b);
};
merged._merged = true;
return merged;
}
// transform component v-model info (value and callback) into
// prop and event handler respectively.
function transformModel(options, data) {
const prop = (options.model && options.model.prop) || 'value';
const event = (options.model && options.model.event) || 'input';
(data.attrs || (data.attrs = {}))[prop] = data.model.value;
const on = data.on || (data.on = {});
const existing = on[event];
const callback = data.model.callback;
if (isDef(existing)) {
if (isArray(existing)
? existing.indexOf(callback) === -1
: existing !== callback) {
on[event] = [callback].concat(existing);
}
}
else {
on[event] = callback;
}
}
let warn = noop;
let tip = noop;
let generateComponentTrace; // work around flow check
let formatComponentName;
{
const hasConsole = typeof console !== 'undefined';
const classifyRE = /(?:^|[-_])(\w)/g;
const classify = str => str.replace(classifyRE, c => c.toUpperCase()).replace(/[-_]/g, '');
warn = (msg, vm = currentInstance) => {
const trace = vm ? generateComponentTrace(vm) : '';
if (config.warnHandler) {
config.warnHandler.call(null, msg, vm, trace);
}
else if (hasConsole && !config.silent) {
console.error(`[Vue warn]: ${msg}${trace}`);
}
};
tip = (msg, vm) => {
if (hasConsole && !config.silent) {
console.warn(`[Vue tip]: ${msg}` + (vm ? generateComponentTrace(vm) : ''));
}
};
formatComponentName = (vm, includeFile) => {
if (vm.$root === vm) {
return '<Root>';
}
const options = isFunction(vm) && vm.cid != null
? vm.options
: vm._isVue
? vm.$options || vm.constructor.options
: vm;
let name = getComponentName(options);
const file = options.__file;
if (!name && file) {
const match = file.match(/([^/\\]+)\.vue$/);
name = match && match[1];
}
return ((name ? `<${classify(name)}>` : `<Anonymous>`) +
(file && includeFile !== false ? ` at ${file}` : ''));
};
const repeat = (str, n) => {
let res = '';
while (n) {
if (n % 2 === 1)
res += str;
if (n > 1)
str += str;
n >>= 1;
}
return res;
};
generateComponentTrace = (vm) => {
if (vm._isVue && vm.$parent) {
const tree = [];
let currentRecursiveSequence = 0;
while (vm) {
if (tree.length > 0) {
const last = tree[tree.length - 1];
if (last.constructor === vm.constructor) {
currentRecursiveSequence++;
vm = vm.$parent;
continue;
}
else if (currentRecursiveSequence > 0) {
tree[tree.length - 1] = [last, currentRecursiveSequence];
currentRecursiveSequence = 0;
}
}
tree.push(vm);
vm = vm.$parent;
}
return ('\n\nfound in\n\n' +
tree
.map((vm, i) => `${i === 0 ? '---> ' : repeat(' ', 5 + i * 2)}${isArray(vm)
? `${formatComponentName(vm[0])}... (${vm[1]} recursive calls)`
: formatComponentName(vm)}`)
.join('\n'));
}
else {
return `\n\n(found in ${formatComponentName(vm)})`;
}
};
}
/**
* Option overwriting strategies are functions that handle
* how to merge a parent option value and a child option
* value into the final value.
*/
const strats = config.optionMergeStrategies;
/**
* Options with restrictions
*/
{
strats.el = strats.propsData = function (parent, child, vm, key) {
if (!vm) {
warn(`option "${key}" can only be used during instance ` +
'creation with the `new` keyword.');
}
return defaultStrat(parent, child);
};
}
/**
* Helper that recursively merges two data objects together.
*/
function mergeData(to, from, recursive = true) {
if (!from)
return to;
let key, toVal, fromVal;
const keys = hasSymbol
? Reflect.ownKeys(from)
: Object.keys(from);
for (let i = 0; i < keys.length; i++) {
key = keys[i];
// in case the object is already observed...
if (key === '__ob__')
continue;
toVal = to[key];
fromVal = from[key];
if (!recursive || !hasOwn(to, key)) {
set(to, key, fromVal);
}
else if (toVal !== fromVal &&
isPlainObject(toVal) &&
isPlainObject(fromVal)) {
mergeData(toVal, fromVal);
}
}
return to;
}
/**
* Data
*/
function mergeDataOrFn(parentVal, childVal, vm) {
if (!vm) {
// in a Vue.extend merge, both should be functions
if (!childVal) {
return parentVal;
}
if (!parentVal) {
return childVal;
}
// when parentVal & childVal are both present,
// we need to return a function that returns the
// merged result of both functions... no need to
// check if parentVal is a function here because
// it has to be a function to pass previous merges.
return function mergedDataFn() {
return mergeData(isFunction(childVal) ? childVal.call(this, this) : childVal, isFunction(parentVal) ? parentVal.call(this, this) : parentVal);
};
}
else {
return function mergedInstanceDataFn() {
// instance merge
const instanceData = isFunction(childVal)
? childVal.call(vm, vm)
: childVal;
const defaultData = isFunction(parentVal)
? parentVal.call(vm, vm)
: parentVal;
if (instanceData) {
return mergeData(instanceData, defaultData);
}
else {
return defaultData;
}
};
}
}
strats.data = function (parentVal, childVal, vm) {
if (!vm) {
if (childVal && typeof childVal !== 'function') {
warn('The "data" option should be a function ' +
'that returns a per-instance value in component ' +
'definitions.', vm);
return parentVal;
}
return mergeDataOrFn(parentVal, childVal);
}
return mergeDataOrFn(parentVal, childVal, vm);
};
/**
* Hooks and props are merged as arrays.
*/
function mergeLifecycleHook(parentVal, childVal) {
const res = childVal
? parentVal
? parentVal.concat(childVal)
: isArray(childVal)
? childVal
: [childVal]
: parentVal;
return res ? dedupeHooks(res) : res;
}
function dedupeHooks(hooks) {
const res = [];
for (let i = 0; i < hooks.length; i++) {
if (res.indexOf(hooks[i]) === -1) {
res.push(hooks[i]);
}
}
return res;
}
LIFECYCLE_HOOKS.forEach(hook => {
strats[hook] = mergeLifecycleHook;
});
/**
* Assets
*
* When a vm is present (instance creation), we need to do
* a three-way merge between constructor options, instance
* options and parent options.
*/
function mergeAssets(parentVal, childVal, vm, key) {
const res = Object.create(parentVal || null);
if (childVal) {
assertObjectType(key, childVal, vm);
return extend(res, childVal);
}
else {
return res;
}
}
ASSET_TYPES.forEach(function (type) {
strats[type + 's'] = mergeAssets;
});
/**
* Watchers.
*
* Watchers hashes should not overwrite one
* another, so we merge them as arrays.
*/
strats.watch = function (parentVal, childVal, vm, key) {
// work around Firefox's Object.prototype.watch...
//@ts-expect-error work around
if (parentVal === nativeWatch)
parentVal = undefined;
//@ts-expect-error work around
if (childVal === nativeWatch)
childVal = undefined;
/* istanbul ignore if */
if (!childVal)
return Object.create(parentVal || null);
{
assertObjectType(key, childVal, vm);
}
if (!parentVal)
return childVal;
const ret = {};
extend(ret, parentVal);
for (const key in childVal) {
let parent = ret[key];
const child = childVal[key];
if (parent && !isArray(parent)) {
parent = [parent];
}
ret[key] = parent ? parent.concat(child) : isArray(child) ? child : [child];
}
return ret;
};
/**
* Other object hashes.
*/
strats.props =
strats.methods =
strats.inject =
strats.computed =
function (parentVal, childVal, vm, key) {
if (childVal && true) {
assertObjectType(key, childVal, vm);
}
if (!parentVal)
return childVal;
const ret = Object.create(null);
extend(ret, parentVal);
if (childVal)
extend(ret, childVal);
return ret;
};
strats.provide = function (parentVal, childVal) {
if (!parentVal)
return childVal;
return function () {
const ret = Object.create(null);
mergeData(ret, isFunction(parentVal) ? parentVal.call(this) : parentVal);
if (childVal) {
mergeData(ret, isFunction(childVal) ? childVal.call(this) : childVal, false // non-recursive
);
}
return ret;
};
};
/**
* Default strategy.
*/
const defaultStrat = function (parentVal, childVal) {
return childVal === undefined ? parentVal : childVal;
};
/**
* Validate component names
*/
function checkComponents(options) {
for (const key in options.components) {
validateComponentName(key);
}
}
function validateComponentName(name) {
if (!new RegExp(`^[a-zA-Z][\\-\\.0-9_${unicodeRegExp.source}]*$`).test(name)) {
warn('Invalid component name: "' +
name +
'". Component names ' +
'should conform to valid custom element name in html5 specification.');
}
if (isBuiltInTag(name) || config.isReservedTag(name)) {
warn('Do not use built-in or reserved HTML elements as component ' +
'id: ' +
name);
}
}
/**
* Ensure all props option syntax are normalized into the
* Object-based format.
*/
function normalizeProps(options, vm) {
const props = options.props;
if (!props)
return;
const res = {};
let i, val, name;
if (isArray(props)) {
i = props.length;
while (i--) {
val = props[i];
if (typeof val === 'string') {
name = camelize(val);
res[name] = { type: null };
}
else {
warn('props must be strings when using array syntax.');
}
}
}
else if (isPlainObject(props)) {
for (const key in props) {
val = props[key];
name = camelize(key);
res[name] = isPlainObject(val) ? val : { type: val };
}
}
else {
warn(`Invalid value for option "props": expected an Array or an Object, ` +
`but got ${toRawType(props)}.`, vm);
}
options.props = res;
}
/**
* Normalize all injections into Object-based format
*/
function normalizeInject(options, vm) {
const inject = options.inject;
if (!inject)
return;
const normalized = (options.inject = {});
if (isArray(inject)) {
for (let i = 0; i < inject.length; i++) {
normalized[inject[i]] = { from: inject[i] };
}
}
else if (isPlainObject(inject)) {
for (const key in inject) {
const val = inject[key];
normalized[key] = isPlainObject(val)
? extend({ from: key }, val)
: { from: val };
}
}
else {
warn(`Invalid value for option "inject": expected an Array or an Object, ` +
`but got ${toRawType(inject)}.`, vm);
}
}
/**
* Normalize raw function directives into object format.
*/
function normalizeDirectives$1(options) {
const dirs = options.directives;
if (dirs) {
for (const key in dirs) {
const def = dirs[key];
if (isFunction(def)) {
dirs[key] = { bind: def, update: def };
}
}
}
}
function assertObjectType(name, value, vm) {
if (!isPlainObject(value)) {
warn(`Invalid value for option "${name}": expected an Object, ` +
`but got ${toRawType(value)}.`, vm);
}
}
/**
* Merge two option objects into a new one.
* Core utility used in both instantiation and inheritance.
*/
function mergeOptions(parent, child, vm) {
{
checkComponents(child);
}
if (isFunction(child)) {
// @ts-expect-error
child = child.options;
}
normalizeProps(child, vm);
normalizeInject(child, vm);
normalizeDirectives$1(child);
// Apply extends and mixins on the child options,
// but only if it is a raw options object that isn't
// the result of another mergeOptions call.
// Only merged options has the _base property.
if (!child._base) {
if (child.extends) {
parent = mergeOptions(parent, child.extends, vm);
}
if (child.mixins) {
for (let i = 0, l = child.mixins.length; i < l; i++) {
parent = mergeOptions(parent, child.mixins[i], vm);
}
}
}
const options = {};
let key;
for (key in parent) {
mergeField(key);
}
for (key in child) {
if (!hasOwn(parent, key)) {
mergeField(key);
}
}
function mergeField(key) {
const strat = strats[key] || defaultStrat;
options[key] = strat(parent[key], child[key], vm, key);
}
return options;
}
/**
* Resolve an asset.
* This function is used because child instances need access
* to assets defined in its ancestor chain.
*/
function resolveAsset(options, type, id, warnMissing) {
/* istanbul ignore if */
if (typeof id !== 'string') {
return;
}
const assets = options[type];
// check local registration variations first
if (hasOwn(assets, id))
return assets[id];
const camelizedId = camelize(id);
if (hasOwn(assets, camelizedId))
return assets[camelizedId];
const PascalCaseId = capitalize(camelizedId);
if (hasOwn(assets, PascalCaseId))
return assets[PascalCaseId];
// fallback to prototype chain
const res = assets[id] || assets[camelizedId] || assets[PascalCaseId];
if (warnMissing && !res) {
warn('Failed to resolve ' + type.slice(0, -1) + ': ' + id);
}
return res;
}
function validateProp(key, propOptions, propsData, vm) {
const prop = propOptions[key];
const absent = !hasOwn(propsData, key);
let value = propsData[key];
// boolean casting
const booleanIndex = getTypeIndex(Boolean, prop.type);
if (booleanIndex > -1) {
if (absent && !hasOwn(prop, 'default')) {
value = false;
}
else if (value === '' || value === hyphenate(key)) {
// only cast empty string / same name to boolean if
// boolean has higher priority
const stringIndex = getTypeIndex(String, prop.type);
if (stringIndex < 0 || booleanIndex < stringIndex) {
value = true;
}
}
}
// check default value
if (value === undefined) {
value = getPropDefaultValue(vm, prop, key);
// since the default value is a fresh copy,
// make sure to observe it.
const prevShouldObserve = shouldObserve;
toggleObserving(true);
observe(value);
toggleObserving(prevShouldObserve);
}
{
assertProp(prop, key, value, vm, absent);
}
return value;
}
/**
* Get the default value of a prop.
*/
function getPropDefaultValue(vm, prop, key) {
// no default, return undefined
if (!hasOwn(prop, 'default')) {
return undefined;
}
const def = prop.default;
// warn against non-factory defaults for Object & Array
if (isObject(def)) {
warn('Invalid default value for prop "' +
key +
'": ' +
'Props with type Object/Array must use a factory function ' +
'to return the default value.', vm);
}
// the raw prop value was also undefined from previous render,
// return previous default value to avoid unnecessary watcher trigger
if (vm &&
vm.$options.propsData &&
vm.$options.propsData[key] === undefined &&
vm._props[key] !== undefined) {
return vm._props[key];
}
// call factory function for non-Function types
// a value is Function if its prototype is function even across different execution context
return isFunction(def) && getType(prop.type) !== 'Function'
? def.call(vm)
: def;
}
/**
* Assert whether a prop is valid.
*/
function assertProp(prop, name, value, vm, absent) {
if (prop.required && absent) {
warn('Missing required prop: "' + name + '"', vm);
return;
}
if (value == null && !prop.required) {
return;
}
let type = prop.type;
let valid = !type || type === true;
const expectedTypes = [];
if (type) {
if (!isArray(type)) {
type = [type];
}
for (let i = 0; i < type.length && !valid; i++) {
const assertedType = assertType(value, type[i], vm);
expectedTypes.push(assertedType.expectedType || '');
valid = assertedType.valid;
}
}
const haveExpectedTypes = expectedTypes.some(t => t);
if (!valid && haveExpectedTypes) {
warn(getInvalidTypeMessage(name, value, expectedTypes), vm);
return;
}
const validator = prop.validator;
if (validator) {
if (!validator(value)) {
warn('Invalid prop: custom validator check failed for prop "' + name + '".', vm);
}
}
}
const simpleCheckRE = /^(String|Number|Boolean|Function|Symbol|BigInt)$/;
function assertType(value, type, vm) {
let valid;
const expectedType = getType(type);
if (simpleCheckRE.test(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 = isPlainObject(value);
}
else if (expectedType === 'Array') {
valid = isArray(value);
}
else {
try {
valid = value instanceof type;
}
catch (e) {
warn('Invalid prop type: "' + String(type) + '" is not a constructor', vm);
valid = false;
}
}
return {
valid,
expectedType
};
}
const functionTypeCheckRE = /^\s*function (\w+)/;
/**
* Use function string name to check built-in types,
* because a simple equality check will fail when running
* across different vms / iframes.
*/
function getType(fn) {
const match = fn && fn.toString().match(functionTypeCheckRE);
return match ? match[1] : '';
}
function isSameType(a, b) {
return getType(a) === getType(b);
}
function getTypeIndex(type, expectedTypes) {
if (!isArray(expectedTypes)) {
return isSameType(expectedTypes, type) ? 0 : -1;
}
for (let i = 0, len = expectedTypes.length; i < len; i++) {
if (isSameType(expectedTypes[i], type)) {
return i;
}
}
return -1;
}
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);
// check if we need to specify expected value
if (expectedTypes.length === 1 &&
isExplicable(expectedType) &&
isExplicable(typeof value) &&
!isBoolean(expectedType, receivedType)) {
message += ` with value ${styleValue(value, expectedType)}`;
}
message += `, got ${receivedType} `;
// check if we need to specify received value
if (isExplicable(receivedType)) {
message += `with value ${styleValue(value, receivedType)}.`;
}
return message;
}
function styleValue(value, type) {
if (type === 'String') {
return `"${value}"`;
}
else if (type === 'Number') {
return `${Number(value)}`;
}
else {
return `${value}`;
}
}
const EXPLICABLE_TYPES = ['string', 'number', 'boolean'];
function isExplicable(value) {
return EXPLICABLE_TYPES.some(elem => value.toLowerCase() === elem);
}
function isBoolean(...args) {
return args.some(elem => elem.toLowerCase() === 'boolean');
}
/* not type checking this file because flow doesn't play well with Proxy */
let initProxy;
{
const allowedGlobals = makeMap('Infinity,undefined,NaN,isFinite,isNaN,' +
'parseFloat,parseInt,decodeURI,decodeURIComponent,encodeURI,encodeURIComponent,' +
'Math,Number,Date,Array,Object,Boolean,String,RegExp,Map,Set,JSON,Intl,BigInt,' +
'require' // for Webpack/Browserify
);
const warnNonPresent = (target, key) => {
warn(`Property or method "${key}" is not defined on the instance but ` +
'referenced during render. Make sure that this property is reactive, ' +
'either in the data option, or for class-based components, by ' +
'initializing the property. ' +
'See: https://v2.vuejs.org/v2/guide/reactivity.html#Declaring-Reactive-Properties.', target);
};
const warnReservedPrefix = (target, key) => {
warn(`Property "${key}" must be accessed with "$data.${key}" because ` +
'properties starting with "$" or "_" are not proxied in the Vue instance to ' +
'prevent conflicts with Vue internals. ' +
'See: https://v2.vuejs.org/v2/api/#data', target);
};
const hasProxy = typeof Proxy !== 'undefined' && isNative(Proxy);
if (hasProxy) {
const isBuiltInModifier = makeMap('stop,prevent,self,ctrl,shift,alt,meta,exact');
config.keyCodes = new Proxy(config.keyCodes, {
set(target, key, value) {
if (isBuiltInModifier(key)) {
warn(`Avoid overwriting built-in modifier in config.keyCodes: .${key}`);
return false;
}
else {
target[key] = value;
return true;
}
}
});
}
const hasHandler = {
has(target, key) {
const has = key in target;
const isAllowed = allowedGlobals(key) ||
(typeof key === 'string' &&
key.charAt(0) === '_' &&
!(key in target.$data));
if (!has && !isAllowed) {
if (key in target.$data)
warnReservedPrefix(target, key);
else
warnNonPresent(target, key);
}
return has || !isAllowed;
}
};
const getHandler = {
get(target, key) {
if (typeof key === 'string' && !(key in target)) {
if (key in target.$data)
warnReservedPrefix(target, key);
else
warnNonPresent(target, key);
}
return target[key];
}
};
initProxy = function initProxy(vm) {
if (hasProxy) {
// determine which proxy handler to use
const options = vm.$options;
const handlers = options.render && options.render._withStripped ? getHandler : hasHandler;
vm._renderProxy = new Proxy(vm, handlers);
}
else {
vm._renderProxy = vm;
}
};
}
const sharedPropertyDefinition = {
enumerable: true,
configurable: true,
get: noop,
set: noop
};
function proxy(target, sourceKey, key) {
sharedPropertyDefinition.get = function proxyGetter() {
return this[sourceKey][key];
};
sharedPropertyDefinition.set = function proxySetter(val) {
this[sourceKey][key] = val;
};
Object.defineProperty(target, key, sharedPropertyDefinition);
}
function initState(vm) {
const opts = vm.$options;
if (opts.props)
initProps$1(vm, opts.props);
// Composition API
initSetup(vm);
if (opts.methods)
initMethods(vm, opts.methods);
if (opts.data) {
initData(vm);
}
else {
const ob = observe((vm._data = {}));
ob && ob.vmCount++;
}
if (opts.computed)
initComputed$1(vm, opts.computed);
if (opts.watch && opts.watch !== nativeWatch) {
initWatch(vm, opts.watch);
}
}
function initProps$1(vm, propsOptions) {
const propsData = vm.$options.propsData || {};
const props = (vm._props = shallowReactive({}));
// cache prop keys so that future props updates can iterate using Array
// instead of dynamic object key enumeration.
const keys = (vm.$options._propKeys = []);
const isRoot = !vm.$parent;
// root instance props should be converted
if (!isRoot) {
toggleObserving(false);
}
for (const key in propsOptions) {
keys.push(key);
const value = validateProp(key, propsOptions, propsData, vm);
/* istanbul ignore else */
{
const hyphenatedKey = hyphenate(key);
if (isReservedAttribute(hyphenatedKey) ||
config.isReservedAttr(hyphenatedKey)) {
warn(`"${hyphenatedKey}" is a reserved attribute and cannot be used as component prop.`, vm);
}
defineReactive(props, key, value, () => {
if (!isRoot && !isUpdatingChildComponent) {
warn(`Avoid mutating a prop directly since the value will be ` +
`overwritten whenever the parent component re-renders. ` +
`Instead, use a data or computed property based on the prop's ` +
`value. Prop being mutated: "${key}"`, vm);
}
}, true /* shallow */);
}
// static props are already proxied on the component's prototype
// during Vue.extend(). We only need to proxy props defined at
// instantiation here.
if (!(key in vm)) {
proxy(vm, `_props`, key);
}
}
toggleObserving(true);
}
function initData(vm) {
let data = vm.$options.data;
data = vm._data = isFunction(data) ? getData(data, vm) : data || {};
if (!isPlainObject(data)) {
data = {};
warn('data functions should return an object:\n' +
'https://v2.vuejs.org/v2/guide/components.html#data-Must-Be-a-Function', vm);
}
// proxy data on instance
const keys = Object.keys(data);
const props = vm.$options.props;
const methods = vm.$options.methods;
let i = keys.length;
while (i--) {
const key = keys[i];
{
if (methods && hasOwn(methods, key)) {
warn(`Method "${key}" has already been defined as a data property.`, vm);
}
}
if (props && hasOwn(props, key)) {
warn(`The data property "${key}" is already declared as a prop. ` +
`Use prop default value instead.`, vm);
}
else if (!isReserved(key)) {
proxy(vm, `_data`, key);
}
}
// observe data
const ob = observe(data);
ob && ob.vmCount++;
}
function getData(data, vm) {
// #7573 disable dep collection when invoking data getters
pushTarget();
try {
return data.call(vm, vm);
}
catch (e) {
handleError(e, vm, `data()`);
return {};
}
finally {
popTarget();
}
}
const computedWatcherOptions = { lazy: true };
function initComputed$1(vm, computed) {
// $flow-disable-line
const watchers = (vm._computedWatchers = Object.create(null));
// computed properties are just getters during SSR
const isSSR = isServerRendering();
for (const key in computed) {
const userDef = computed[key];
const getter = isFunction(userDef) ? userDef : userDef.get;
if (getter == null) {
warn(`Getter is missing for computed property "${key}".`, vm);
}
if (!isSSR) {
// create internal watcher for the computed property.
watchers[key] = new Watcher(vm, getter || noop, noop, computedWatcherOptions);
}
// component-defined computed properties are already defined on the
// component prototype. We only need to define computed properties defined
// at instantiation here.
if (!(key in vm)) {
defineComputed(vm, key, userDef);
}
else {
if (key in vm.$data) {
warn(`The computed property "${key}" is already defined in data.`, vm);
}
else if (vm.$options.props && key in vm.$options.props) {
warn(`The computed property "${key}" is already defined as a prop.`, vm);
}
else if (vm.$options.methods && key in vm.$options.methods) {
warn(`The computed property "${key}" is already defined as a method.`, vm);
}
}
}
}
function defineComputed(target, key, userDef) {
const shouldCache = !isServerRendering();
if (isFunction(userDef)) {
sharedPropertyDefinition.get = shouldCache
? createComputedGetter(key)
: createGetterInvoker(userDef);
sharedPropertyDefinition.set = noop;
}
else {
sharedPropertyDefinition.get = userDef.get
? shouldCache && userDef.cache !== false
? createComputedGetter(key)
: createGetterInvoker(userDef.get)
: noop;
sharedPropertyDefinition.set = userDef.set || noop;
}
if (sharedPropertyDefinition.set === noop) {
sharedPropertyDefinition.set = function () {
warn(`Computed property "${key}" was assigned to but it has no setter.`, this);
};
}
Object.defineProperty(target, key, sharedPropertyDefinition);
}
function createComputedGetter(key) {
return function computedGetter() {
const watcher = this._computedWatchers && this._computedWatchers[key];
if (watcher) {
if (watcher.dirty) {
watcher.evaluate();
}
if (Dep.target) {
if (Dep.target.onTrack) {
Dep.target.onTrack({
effect: Dep.target,
target: this,
type: "get" /* TrackOpTypes.GET */,
key
});
}
watcher.depend();
}
return watcher.value;
}
};
}
function createGetterInvoker(fn) {
return function computedGetter() {
return fn.call(this, this);
};
}
function initMethods(vm, methods) {
const props = vm.$options.props;
for (const key in methods) {
{
if (typeof methods[key] !== 'function') {
warn(`Method "${key}" has type "${typeof methods[key]}" in the component definition. ` +
`Did you reference the function correctly?`, vm);
}
if (props && hasOwn(props, key)) {
warn(`Method "${key}" has already been defined as a prop.`, vm);
}
if (key in vm && isReserved(key)) {
warn(`Method "${key}" conflicts with an existing Vue instance method. ` +
`Avoid defining component methods that start with _ or $.`);
}
}
vm[key] = typeof methods[key] !== 'function' ? noop : bind(methods[key], vm);
}
}
function initWatch(vm, watch) {
for (const key in watch) {
const handler = watch[key];
if (isArray(handler)) {
for (let i = 0; i < handler.length; i++) {
createWatcher(vm, key, handler[i]);
}
}
else {
createWatcher(vm, key, handler);
}
}
}
function createWatcher(vm, expOrFn, handler, options) {
if (isPlainObject(handler)) {
options = handler;
handler = handler.handler;
}
if (typeof handler === 'string') {
handler = vm[handler];
}
return vm.$watch(expOrFn, handler, options);
}
function stateMixin(Vue) {
// flow somehow has problems with directly declared definition object
// when using Object.defineProperty, so we have to procedurally build up
// the object here.
const dataDef = {};
dataDef.get = function () {
return this._data;
};
const propsDef = {};
propsDef.get = function () {
return this._props;
};
{
dataDef.set = function () {
warn('Avoid replacing instance root $data. ' +
'Use nested data properties instead.', this);
};
propsDef.set = function () {
warn(`$props is readonly.`, this);
};
}
Object.defineProperty(Vue.prototype, '$data', dataDef);
Object.defineProperty(Vue.prototype, '$props', propsDef);
Vue.prototype.$set = set;
Vue.prototype.$delete = del;
Vue.prototype.$watch = function (expOrFn, cb, options) {
const vm = this;
if (isPlainObject(cb)) {
return createWatcher(vm, expOrFn, cb, options);
}
options = options || {};
options.user = true;
const watcher = new Watcher(vm, expOrFn, cb, options);
if (options.immediate) {
const info = `callback for immediate watcher "${watcher.expression}"`;
pushTarget();
invokeWithErrorHandling(cb, vm, [watcher.value], vm, info);
popTarget();
}
return function unwatchFn() {
watcher.teardown();
};
};
}
let uid = 0;
function initMixin$1(Vue) {
Vue.prototype._init = function (options) {
const vm = this;
// a uid
vm._uid = uid++;
let startTag, endTag;
/* istanbul ignore if */
if (config.performance && mark) {
startTag = `vue-perf-start:${vm._uid}`;
endTag = `vue-perf-end:${vm._uid}`;
mark(startTag);
}
// a flag to mark this as a Vue instance without having to do instanceof
// check
vm._isVue = true;
// avoid instances from being observed
vm.__v_skip = true;
// effect scope
vm._scope = new EffectScope(true /* detached */);
// #13134 edge case where a child component is manually created during the
// render of a parent component
vm._scope.parent = undefined;
vm._scope._vm = true;
// merge options
if (options && options._isComponent) {
// optimize internal component instantiation
// since dynamic options merging is pretty slow, and none of the
// internal component options needs special treatment.
initInternalComponent(vm, options);
}
else {
vm.$options = mergeOptions(resolveConstructorOptions(vm.constructor), options || {}, vm);
}
/* istanbul ignore else */
{
initProxy(vm);
}
// expose real self
vm._self = vm;
initLifecycle(vm);
initEvents(vm);
initRender(vm);
callHook$1(vm, 'beforeCreate', undefined, false /* setContext */);
initInjections(vm); // resolve injections before data/props
initState(vm);
initProvide(vm); // resolve provide after data/props
callHook$1(vm, 'created');
/* istanbul ignore if */
if (config.performance && mark) {
vm._name = formatComponentName(vm, false);
mark(endTag);
measure(`vue ${vm._name} init`, startTag, endTag);
}
if (vm.$options.el) {
vm.$mount(vm.$options.el);
}
};
}
function initInternalComponent(vm, options) {
const opts = (vm.$options = Object.create(vm.constructor.options));
// doing this because it's faster than dynamic enumeration.
const parentVnode = options._parentVnode;
opts.parent = options.parent;
opts._parentVnode = parentVnode;
const vnodeComponentOptions = parentVnode.componentOptions;
opts.propsData = vnodeComponentOptions.propsData;
opts._parentListeners = vnodeComponentOptions.listeners;
opts._renderChildren = vnodeComponentOptions.children;
opts._componentTag = vnodeComponentOptions.tag;
if (options.render) {
opts.render = options.render;
opts.staticRenderFns = options.staticRenderFns;
}
}
function resolveConstructorOptions(Ctor) {
let options = Ctor.options;
if (Ctor.super) {
const superOptions = resolveConstructorOptions(Ctor.super);
const cachedSuperOptions = Ctor.superOptions;
if (superOptions !== cachedSuperOptions) {
// super option changed,
// need to resolve new options.
Ctor.superOptions = superOptions;
// check if there are any late-modified/attached options (#4976)
const modifiedOptions = resolveModifiedOptions(Ctor);
// update base extend options
if (modifiedOptions) {
extend(Ctor.extendOptions, modifiedOptions);
}
options = Ctor.options = mergeOptions(superOptions, Ctor.extendOptions);
if (options.name) {
options.components[options.name] = Ctor;
}
}
}
return options;
}
function resolveModifiedOptions(Ctor) {
let modified;
const latest = Ctor.options;
const sealed = Ctor.sealedOptions;
for (const key in latest) {
if (latest[key] !== sealed[key]) {
if (!modified)
modified = {};
modified[key] = latest[key];
}
}
return modified;
}
function Vue(options) {
if (!(this instanceof Vue)) {
warn('Vue is a constructor and should be called with the `new` keyword');
}
this._init(options);
}
//@ts-expect-error Vue has function type
initMixin$1(Vue);
//@ts-expect-error Vue has function type
stateMixin(Vue);
//@ts-expect-error Vue has function type
eventsMixin(Vue);
//@ts-expect-error Vue has function type
lifecycleMixin(Vue);
//@ts-expect-error Vue has function type
renderMixin(Vue);
function initUse(Vue) {
Vue.use = function (plugin) {
const installedPlugins = this._installedPlugins || (this._installedPlugins = []);
if (installedPlugins.indexOf(plugin) > -1) {
return this;
}
// additional parameters
const args = toArray(arguments, 1);
args.unshift(this);
if (isFunction(plugin.install)) {
plugin.install.apply(plugin, args);
}
else if (isFunction(plugin)) {
plugin.apply(null, args);
}
installedPlugins.push(plugin);
return this;
};
}
function initMixin(Vue) {
Vue.mixin = function (mixin) {
this.options = mergeOptions(this.options, mixin);
return this;
};
}
function initExtend(Vue) {
/**
* Each instance constructor, including Vue, has a unique
* cid. This enables us to create wrapped "child
* constructors" for prototypal inheritance and cache them.
*/
Vue.cid = 0;
let cid = 1;
/**
* Class inheritance
*/
Vue.extend = function (extendOptions) {
extendOptions = extendOptions || {};
const Super = this;
const SuperId = Super.cid;
const cachedCtors = extendOptions._Ctor || (extendOptions._Ctor = {});
if (cachedCtors[SuperId]) {
return cachedCtors[SuperId];
}
const name = getComponentName(extendOptions) || getComponentName(Super.options);
if (name) {
validateComponentName(name);
}
const Sub = function VueComponent(options) {
this._init(options);
};
Sub.prototype = Object.create(Super.prototype);
Sub.prototype.constructor = Sub;
Sub.cid = cid++;
Sub.options = mergeOptions(Super.options, extendOptions);
Sub['super'] = Super;
// For props and computed properties, we define the proxy getters on
// the Vue instances at extension time, on the extended prototype. This
// avoids Object.defineProperty calls for each instance created.
if (Sub.options.props) {
initProps(Sub);
}
if (Sub.options.computed) {
initComputed(Sub);
}
// allow further extension/mixin/plugin usage
Sub.extend = Super.extend;
Sub.mixin = Super.mixin;
Sub.use = Super.use;
// create asset registers, so extended classes
// can have their private assets too.
ASSET_TYPES.forEach(function (type) {
Sub[type] = Super[type];
});
// enable recursive self-lookup
if (name) {
Sub.options.components[name] = Sub;
}
// keep a reference to the super options at extension time.
// later at instantiation we can check if Super's options have
// been updated.
Sub.superOptions = Super.options;
Sub.extendOptions = extendOptions;
Sub.sealedOptions = extend({}, Sub.options);
// cache constructor
cachedCtors[SuperId] = Sub;
return Sub;
};
}
function initProps(Comp) {
const props = Comp.options.props;
for (const key in props) {
proxy(Comp.prototype, `_props`, key);
}
}
function initComputed(Comp) {
const computed = Comp.options.computed;
for (const key in computed) {
defineComputed(Comp.prototype, key, computed[key]);
}
}
function initAssetRegisters(Vue) {
/**
* Create asset registration methods.
*/
ASSET_TYPES.forEach(type => {
// @ts-expect-error function is not exact same type
Vue[type] = function (id, definition) {
if (!definition) {
return this.options[type + 's'][id];
}
else {
/* istanbul ignore if */
if (type === 'component') {
validateComponentName(id);
}
if (type === 'component' && isPlainObject(definition)) {
// @ts-expect-error
definition.name = definition.name || id;
definition = this.options._base.extend(definition);
}
if (type === 'directive' && isFunction(definition)) {
definition = { bind: definition, update: definition };
}
this.options[type + 's'][id] = definition;
return definition;
}
};
});
}
function _getComponentName(opts) {
return opts && (getComponentName(opts.Ctor.options) || opts.tag);
}
function matches(pattern, name) {
if (isArray(pattern)) {
return pattern.indexOf(name) > -1;
}
else if (typeof pattern === 'string') {
return pattern.split(',').indexOf(name) > -1;
}
else if (isRegExp(pattern)) {
return pattern.test(name);
}
/* istanbul ignore next */
return false;
}
function pruneCache(keepAliveInstance, filter) {
const { cache, keys, _vnode, $vnode } = keepAliveInstance;
for (const key in cache) {
const entry = cache[key];
if (entry) {
const name = entry.name;
if (name && !filter(name)) {
pruneCacheEntry(cache, key, keys, _vnode);
}
}
}
$vnode.componentOptions.children = undefined;
}
function pruneCacheEntry(cache, key, keys, current) {
const entry = cache[key];
if (entry && (!current || entry.tag !== current.tag)) {
// @ts-expect-error can be undefined
entry.componentInstance.$destroy();
}
cache[key] = null;
remove$2(keys, key);
}
const patternTypes = [String, RegExp, Array];
// TODO defineComponent
var KeepAlive = {
name: 'keep-alive',
abstract: true,
props: {
include: patternTypes,
exclude: patternTypes,
max: [String, Number]
},
methods: {
cacheVNode() {
const { cache, keys, vnodeToCache, keyToCache } = this;
if (vnodeToCache) {
const { tag, componentInstance, componentOptions } = vnodeToCache;
cache[keyToCache] = {
name: _getComponentName(componentOptions),
tag,
componentInstance
};
keys.push(keyToCache);
// prune oldest entry
if (this.max && keys.length > parseInt(this.max)) {
pruneCacheEntry(cache, keys[0], keys, this._vnode);
}
this.vnodeToCache = null;
}
}
},
created() {
this.cache = Object.create(null);
this.keys = [];
},
destroyed() {
for (const key in this.cache) {
pruneCacheEntry(this.cache, key, this.keys);
}
},
mounted() {
this.cacheVNode();
this.$watch('include', val => {
pruneCache(this, name => matches(val, name));
});
this.$watch('exclude', val => {
pruneCache(this, name => !matches(val, name));
});
},
updated() {
this.cacheVNode();
},
render() {
const slot = this.$slots.default;
const vnode = getFirstComponentChild(slot);
const componentOptions = vnode && vnode.componentOptions;
if (componentOptions) {
// check pattern
const name = _getComponentName(componentOptions);
const { include, exclude } = this;
if (
// not included
(include && (!name || !matches(include, name))) ||
// excluded
(exclude && name && matches(exclude, name))) {
return vnode;
}
const { cache, keys } = this;
const key = vnode.key == null
? // same constructor may get registered as different local components
// so cid alone is not enough (#3269)
componentOptions.Ctor.cid +
(componentOptions.tag ? `::${componentOptions.tag}` : '')
: vnode.key;
if (cache[key]) {
vnode.componentInstance = cache[key].componentInstance;
// make current key freshest
remove$2(keys, key);
keys.push(key);
}
else {
// delay setting the cache until update
this.vnodeToCache = vnode;
this.keyToCache = key;
}
// @ts-expect-error can vnode.data can be undefined
vnode.data.keepAlive = true;
}
return vnode || (slot && slot[0]);
}
};
var builtInComponents = {
KeepAlive
};
function initGlobalAPI(Vue) {
// config
const configDef = {};
configDef.get = () => config;
{
configDef.set = () => {
warn('Do not replace the Vue.config object, set individual fields instead.');
};
}
Object.defineProperty(Vue, 'config', configDef);
// exposed util methods.
// NOTE: these are not considered part of the public API - avoid relying on
// them unless you are aware of the risk.
Vue.util = {
warn,
extend,
mergeOptions,
defineReactive
};
Vue.set = set;
Vue.delete = del;
Vue.nextTick = nextTick;
// 2.6 explicit observable API
Vue.observable = (obj) => {
observe(obj);
return obj;
};
Vue.options = Object.create(null);
ASSET_TYPES.forEach(type => {
Vue.options[type + 's'] = Object.create(null);
});
// this is used to identify the "base" constructor to extend all plain-object
// components with in Weex's multi-instance scenarios.
Vue.options._base = Vue;
extend(Vue.options.components, builtInComponents);
initUse(Vue);
initMixin(Vue);
initExtend(Vue);
initAssetRegisters(Vue);
}
initGlobalAPI(Vue);
Object.defineProperty(Vue.prototype, '$isServer', {
get: isServerRendering
});
Object.defineProperty(Vue.prototype, '$ssrContext', {
get() {
/* istanbul ignore next */
return this.$vnode && this.$vnode.ssrContext;
}
});
// expose FunctionalRenderContext for ssr runtime helper installation
Object.defineProperty(Vue, 'FunctionalRenderContext', {
value: FunctionalRenderContext
});
Vue.version = version;
// these are reserved for web because they are directly compiled away
// during template compilation
const isReservedAttr = makeMap('style,class');
// attributes that should be using props for binding
const acceptValue = makeMap('input,textarea,option,select,progress');
const mustUseProp = (tag, type, attr) => {
return ((attr === 'value' && acceptValue(tag) && type !== 'button') ||
(attr === 'selected' && tag === 'option') ||
(attr === 'checked' && tag === 'input') ||
(attr === 'muted' && tag === 'video'));
};
const isEnumeratedAttr = makeMap('contenteditable,draggable,spellcheck');
const isValidContentEditableValue = makeMap('events,caret,typing,plaintext-only');
const convertEnumeratedValue = (key, value) => {
return isFalsyAttrValue(value) || value === 'false'
? 'false'
: // allow arbitrary string value for contenteditable
key === 'contenteditable' && isValidContentEditableValue(value)
? value
: 'true';
};
const isBooleanAttr = makeMap('allowfullscreen,async,autofocus,autoplay,checked,compact,controls,declare,' +
'default,defaultchecked,defaultmuted,defaultselected,defer,disabled,' +
'enabled,formnovalidate,hidden,indeterminate,inert,ismap,itemscope,loop,multiple,' +
'muted,nohref,noresize,noshade,novalidate,nowrap,open,pauseonexit,readonly,' +
'required,reversed,scoped,seamless,selected,sortable,' +
'truespeed,typemustmatch,visible');
const xlinkNS = 'http://www.w3.org/1999/xlink';
const isXlink = (name) => {
return name.charAt(5) === ':' && name.slice(0, 5) === 'xlink';
};
const getXlinkProp = (name) => {
return isXlink(name) ? name.slice(6, name.length) : '';
};
const isFalsyAttrValue = (val) => {
return val == null || val === false;
};
function genClassForVnode(vnode) {
let data = vnode.data;
let parentNode = vnode;
let childNode = vnode;
while (isDef(childNode.componentInstance)) {
childNode = childNode.componentInstance._vnode;
if (childNode && childNode.data) {
data = mergeClassData(childNode.data, data);
}
}
// @ts-expect-error parentNode.parent not VNodeWithData
while (isDef((parentNode = parentNode.parent))) {
if (parentNode && parentNode.data) {
data = mergeClassData(data, parentNode.data);
}
}
return renderClass(data.staticClass, data.class);
}
function mergeClassData(child, parent) {
return {
staticClass: concat(child.staticClass, parent.staticClass),
class: isDef(child.class) ? [child.class, parent.class] : parent.class
};
}
function renderClass(staticClass, dynamicClass) {
if (isDef(staticClass) || isDef(dynamicClass)) {
return concat(staticClass, stringifyClass(dynamicClass));
}
/* istanbul ignore next */
return '';
}
function concat(a, b) {
return a ? (b ? a + ' ' + b : a) : b || '';
}
function stringifyClass(value) {
if (Array.isArray(value)) {
return stringifyArray(value);
}
if (isObject(value)) {
return stringifyObject(value);
}
if (typeof value === 'string') {
return value;
}
/* istanbul ignore next */
return '';
}
function stringifyArray(value) {
let res = '';
let stringified;
for (let i = 0, l = value.length; i < l; i++) {
if (isDef((stringified = stringifyClass(value[i]))) && stringified !== '') {
if (res)
res += ' ';
res += stringified;
}
}
return res;
}
function stringifyObject(value) {
let res = '';
for (const key in value) {
if (value[key]) {
if (res)
res += ' ';
res += key;
}
}
return res;
}
const namespaceMap = {
svg: 'http://www.w3.org/2000/svg',
math: 'http://www.w3.org/1998/Math/MathML'
};
const isHTMLTag = makeMap('html,body,base,head,link,meta,style,title,' +
'address,article,aside,footer,header,h1,h2,h3,h4,h5,h6,hgroup,nav,section,' +
'div,dd,dl,dt,figcaption,figure,picture,hr,img,li,main,ol,p,pre,ul,' +
'a,b,abbr,bdi,bdo,br,cite,code,data,dfn,em,i,kbd,mark,q,rp,rt,rtc,ruby,' +
's,samp,small,span,strong,sub,sup,time,u,var,wbr,area,audio,map,track,video,' +
'embed,object,param,source,canvas,script,noscript,del,ins,' +
'caption,col,colgroup,table,thead,tbody,td,th,tr,' +
'button,datalist,fieldset,form,input,label,legend,meter,optgroup,option,' +
'output,progress,select,textarea,' +
'details,dialog,menu,menuitem,summary,' +
'content,element,shadow,template,blockquote,iframe,tfoot');
// this map is intentionally selective, only covering SVG elements that may
// contain child elements.
const isSVG = makeMap('svg,animate,circle,clippath,cursor,defs,desc,ellipse,filter,font-face,' +
'foreignobject,g,glyph,image,line,marker,mask,missing-glyph,path,pattern,' +
'polygon,polyline,rect,switch,symbol,text,textpath,tspan,use,view', true);
const isReservedTag = (tag) => {
return isHTMLTag(tag) || isSVG(tag);
};
function getTagNamespace(tag) {
if (isSVG(tag)) {
return 'svg';
}
// basic support for MathML
// note it doesn't support other MathML elements being component roots
if (tag === 'math') {
return 'math';
}
}
const unknownElementCache = Object.create(null);
function isUnknownElement(tag) {
/* istanbul ignore if */
if (!inBrowser) {
return true;
}
if (isReservedTag(tag)) {
return false;
}
tag = tag.toLowerCase();
/* istanbul ignore if */
if (unknownElementCache[tag] != null) {
return unknownElementCache[tag];
}
const el = document.createElement(tag);
if (tag.indexOf('-') > -1) {
// https://stackoverflow.com/a/28210364/1070244
return (unknownElementCache[tag] =
el.constructor === window.HTMLUnknownElement ||
el.constructor === window.HTMLElement);
}
else {
return (unknownElementCache[tag] = /HTMLUnknownElement/.test(el.toString()));
}
}
const isTextInputType = makeMap('text,number,password,search,email,tel,url');
/**
* Query an element selector if it's not an element already.
*/
function query(el) {
if (typeof el === 'string') {
const selected = document.querySelector(el);
if (!selected) {
warn('Cannot find element: ' + el);
return document.createElement('div');
}
return selected;
}
else {
return el;
}
}
function createElement(tagName, vnode) {
const elm = document.createElement(tagName);
if (tagName !== 'select') {
return elm;
}
// false or null will remove the attribute but undefined will not
if (vnode.data &&
vnode.data.attrs &&
vnode.data.attrs.multiple !== undefined) {
elm.setAttribute('multiple', 'multiple');
}
return elm;
}
function createElementNS(namespace, tagName) {
return document.createElementNS(namespaceMap[namespace], tagName);
}
function createTextNode(text) {
return document.createTextNode(text);
}
function createComment(text) {
return document.createComment(text);
}
function insertBefore(parentNode, newNode, referenceNode) {
parentNode.insertBefore(newNode, referenceNode);
}
function removeChild(node, child) {
node.removeChild(child);
}
function appendChild(node, child) {
node.appendChild(child);
}
function parentNode(node) {
return node.parentNode;
}
function nextSibling(node) {
return node.nextSibling;
}
function tagName(node) {
return node.tagName;
}
function setTextContent(node, text) {
node.textContent = text;
}
function setStyleScope(node, scopeId) {
node.setAttribute(scopeId, '');
}
var nodeOps = /*#__PURE__*/Object.freeze({
__proto__: null,
createElement: createElement,
createElementNS: createElementNS,
createTextNode: createTextNode,
createComment: createComment,
insertBefore: insertBefore,
removeChild: removeChild,
appendChild: appendChild,
parentNode: parentNode,
nextSibling: nextSibling,
tagName: tagName,
setTextContent: setTextContent,
setStyleScope: setStyleScope
});
var ref = {
create(_, vnode) {
registerRef(vnode);
},
update(oldVnode, vnode) {
if (oldVnode.data.ref !== vnode.data.ref) {
registerRef(oldVnode, true);
registerRef(vnode);
}
},
destroy(vnode) {
registerRef(vnode, true);
}
};
function registerRef(vnode, isRemoval) {
const ref = vnode.data.ref;
if (!isDef(ref))
return;
const vm = vnode.context;
const refValue = vnode.componentInstance || vnode.elm;
const value = isRemoval ? null : refValue;
const $refsValue = isRemoval ? undefined : refValue;
if (isFunction(ref)) {
invokeWithErrorHandling(ref, vm, [value], vm, `template ref function`);
return;
}
const isFor = vnode.data.refInFor;
const _isString = typeof ref === 'string' || typeof ref === 'number';
const _isRef = isRef(ref);
const refs = vm.$refs;
if (_isString || _isRef) {
if (isFor) {
const existing = _isString ? refs[ref] : ref.value;
if (isRemoval) {
isArray(existing) && remove$2(existing, refValue);
}
else {
if (!isArray(existing)) {
if (_isString) {
refs[ref] = [refValue];
setSetupRef(vm, ref, refs[ref]);
}
else {
ref.value = [refValue];
}
}
else if (!existing.includes(refValue)) {
existing.push(refValue);
}
}
}
else if (_isString) {
if (isRemoval && refs[ref] !== refValue) {
return;
}
refs[ref] = $refsValue;
setSetupRef(vm, ref, value);
}
else if (_isRef) {
if (isRemoval && ref.value !== refValue) {
return;
}
ref.value = value;
}
else {
warn(`Invalid template ref type: ${typeof ref}`);
}
}
}
function setSetupRef({ _setupState }, key, val) {
if (_setupState && hasOwn(_setupState, key)) {
if (isRef(_setupState[key])) {
_setupState[key].value = val;
}
else {
_setupState[key] = val;
}
}
}
/**
* Virtual DOM patching algorithm based on Snabbdom by
* Simon Friis Vindum (@paldepind)
* Licensed under the MIT License
* https://github.com/paldepind/snabbdom/blob/master/LICENSE
*
* modified by Evan You (@yyx990803)
*
* Not type-checking this because this file is perf-critical and the cost
* of making flow understand it is not worth it.
*/
const emptyNode = new VNode('', {}, []);
const hooks = ['create', 'activate', 'update', 'remove', 'destroy'];
function sameVnode(a, b) {
return (a.key === b.key &&
a.asyncFactory === b.asyncFactory &&
((a.tag === b.tag &&
a.isComment === b.isComment &&
isDef(a.data) === isDef(b.data) &&
sameInputType(a, b)) ||
(isTrue(a.isAsyncPlaceholder) && isUndef(b.asyncFactory.error))));
}
function sameInputType(a, b) {
if (a.tag !== 'input')
return true;
let i;
const typeA = isDef((i = a.data)) && isDef((i = i.attrs)) && i.type;
const typeB = isDef((i = b.data)) && isDef((i = i.attrs)) && i.type;
return typeA === typeB || (isTextInputType(typeA) && isTextInputType(typeB));
}
function createKeyToOldIdx(children, beginIdx, endIdx) {
let i, key;
const map = {};
for (i = beginIdx; i <= endIdx; ++i) {
key = children[i].key;
if (isDef(key))
map[key] = i;
}
return map;
}
function createPatchFunction(backend) {
let i, j;
const cbs = {};
const { modules, nodeOps } = backend;
for (i = 0; i < hooks.length; ++i) {
cbs[hooks[i]] = [];
for (j = 0; j < modules.length; ++j) {
if (isDef(modules[j][hooks[i]])) {
cbs[hooks[i]].push(modules[j][hooks[i]]);
}
}
}
function emptyNodeAt(elm) {
return new VNode(nodeOps.tagName(elm).toLowerCase(), {}, [], undefined, elm);
}
function createRmCb(childElm, listeners) {
function remove() {
if (--remove.listeners === 0) {
removeNode(childElm);
}
}
remove.listeners = listeners;
return remove;
}
function removeNode(el) {
const parent = nodeOps.parentNode(el);
// element may have already been removed due to v-html / v-text
if (isDef(parent)) {
nodeOps.removeChild(parent, el);
}
}
function isUnknownElement(vnode, inVPre) {
return (!inVPre &&
!vnode.ns &&
!(config.ignoredElements.length &&
config.ignoredElements.some(ignore => {
return isRegExp(ignore)
? ignore.test(vnode.tag)
: ignore === vnode.tag;
})) &&
config.isUnknownElement(vnode.tag));
}
let creatingElmInVPre = 0;
function createElm(vnode, insertedVnodeQueue, parentElm, refElm, nested, ownerArray, index) {
if (isDef(vnode.elm) && isDef(ownerArray)) {
// This vnode was used in a previous render!
// now it's used as a new node, overwriting its elm would cause
// potential patch errors down the road when it's used as an insertion
// reference node. Instead, we clone the node on-demand before creating
// associated DOM element for it.
vnode = ownerArray[index] = cloneVNode(vnode);
}
vnode.isRootInsert = !nested; // for transition enter check
if (createComponent(vnode, insertedVnodeQueue, parentElm, refElm)) {
return;
}
const data = vnode.data;
const children = vnode.children;
const tag = vnode.tag;
if (isDef(tag)) {
{
if (data && data.pre) {
creatingElmInVPre++;
}
if (isUnknownElement(vnode, creatingElmInVPre)) {
warn('Unknown custom element: <' +
tag +
'> - did you ' +
'register the component correctly? For recursive components, ' +
'make sure to provide the "name" option.', vnode.context);
}
}
vnode.elm = vnode.ns
? nodeOps.createElementNS(vnode.ns, tag)
: nodeOps.createElement(tag, vnode);
setScope(vnode);
createChildren(vnode, children, insertedVnodeQueue);
if (isDef(data)) {
invokeCreateHooks(vnode, insertedVnodeQueue);
}
insert(parentElm, vnode.elm, refElm);
if (data && data.pre) {
creatingElmInVPre--;
}
}
else if (isTrue(vnode.isComment)) {
vnode.elm = nodeOps.createComment(vnode.text);
insert(parentElm, vnode.elm, refElm);
}
else {
vnode.elm = nodeOps.createTextNode(vnode.text);
insert(parentElm, vnode.elm, refElm);
}
}
function createComponent(vnode, insertedVnodeQueue, parentElm, refElm) {
let i = vnode.data;
if (isDef(i)) {
const isReactivated = isDef(vnode.componentInstance) && i.keepAlive;
if (isDef((i = i.hook)) && isDef((i = i.init))) {
i(vnode, false /* hydrating */);
}
// after calling the init hook, if the vnode is a child component
// it should've created a child instance and mounted it. the child
// component also has set the placeholder vnode's elm.
// in that case we can just return the element and be done.
if (isDef(vnode.componentInstance)) {
initComponent(vnode, insertedVnodeQueue);
insert(parentElm, vnode.elm, refElm);
if (isTrue(isReactivated)) {
reactivateComponent(vnode, insertedVnodeQueue, parentElm, refElm);
}
return true;
}
}
}
function initComponent(vnode, insertedVnodeQueue) {
if (isDef(vnode.data.pendingInsert)) {
insertedVnodeQueue.push.apply(insertedVnodeQueue, vnode.data.pendingInsert);
vnode.data.pendingInsert = null;
}
vnode.elm = vnode.componentInstance.$el;
if (isPatchable(vnode)) {
invokeCreateHooks(vnode, insertedVnodeQueue);
setScope(vnode);
}
else {
// empty component root.
// skip all element-related modules except for ref (#3455)
registerRef(vnode);
// make sure to invoke the insert hook
insertedVnodeQueue.push(vnode);
}
}
function reactivateComponent(vnode, insertedVnodeQueue, parentElm, refElm) {
let i;
// hack for #4339: a reactivated component with inner transition
// does not trigger because the inner node's created hooks are not called
// again. It's not ideal to involve module-specific logic in here but
// there doesn't seem to be a better way to do it.
let innerNode = vnode;
while (innerNode.componentInstance) {
innerNode = innerNode.componentInstance._vnode;
if (isDef((i = innerNode.data)) && isDef((i = i.transition))) {
for (i = 0; i < cbs.activate.length; ++i) {
cbs.activate[i](emptyNode, innerNode);
}
insertedVnodeQueue.push(innerNode);
break;
}
}
// unlike a newly created component,
// a reactivated keep-alive component doesn't insert itself
insert(parentElm, vnode.elm, refElm);
}
function insert(parent, elm, ref) {
if (isDef(parent)) {
if (isDef(ref)) {
if (nodeOps.parentNode(ref) === parent) {
nodeOps.insertBefore(parent, elm, ref);
}
}
else {
nodeOps.appendChild(parent, elm);
}
}
}
function createChildren(vnode, children, insertedVnodeQueue) {
if (isArray(children)) {
{
checkDuplicateKeys(children);
}
for (let i = 0; i < children.length; ++i) {
createElm(children[i], insertedVnodeQueue, vnode.elm, null, true, children, i);
}
}
else if (isPrimitive(vnode.text)) {
nodeOps.appendChild(vnode.elm, nodeOps.createTextNode(String(vnode.text)));
}
}
function isPatchable(vnode) {
while (vnode.componentInstance) {
vnode = vnode.componentInstance._vnode;
}
return isDef(vnode.tag);
}
function invokeCreateHooks(vnode, insertedVnodeQueue) {
for (let i = 0; i < cbs.create.length; ++i) {
cbs.create[i](emptyNode, vnode);
}
i = vnode.data.hook; // Reuse variable
if (isDef(i)) {
if (isDef(i.create))
i.create(emptyNode, vnode);
if (isDef(i.insert))
insertedVnodeQueue.push(vnode);
}
}
// set scope id attribute for scoped CSS.
// this is implemented as a special case to avoid the overhead
// of going through the normal attribute patching process.
function setScope(vnode) {
let i;
if (isDef((i = vnode.fnScopeId))) {
nodeOps.setStyleScope(vnode.elm, i);
}
else {
let ancestor = vnode;
while (ancestor) {
if (isDef((i = ancestor.context)) && isDef((i = i.$options._scopeId))) {
nodeOps.setStyleScope(vnode.elm, i);
}
ancestor = ancestor.parent;
}
}
// for slot content they should also get the scopeId from the host instance.
if (isDef((i = activeInstance)) &&
i !== vnode.context &&
i !== vnode.fnContext &&
isDef((i = i.$options._scopeId))) {
nodeOps.setStyleScope(vnode.elm, i);
}
}
function addVnodes(parentElm, refElm, vnodes, startIdx, endIdx, insertedVnodeQueue) {
for (; startIdx <= endIdx; ++startIdx) {
createElm(vnodes[startIdx], insertedVnodeQueue, parentElm, refElm, false, vnodes, startIdx);
}
}
function invokeDestroyHook(vnode) {
let i, j;
const data = vnode.data;
if (isDef(data)) {
if (isDef((i = data.hook)) && isDef((i = i.destroy)))
i(vnode);
for (i = 0; i < cbs.destroy.length; ++i)
cbs.destroy[i](vnode);
}
if (isDef((i = vnode.children))) {
for (j = 0; j < vnode.children.length; ++j) {
invokeDestroyHook(vnode.children[j]);
}
}
}
function removeVnodes(vnodes, startIdx, endIdx) {
for (; startIdx <= endIdx; ++startIdx) {
const ch = vnodes[startIdx];
if (isDef(ch)) {
if (isDef(ch.tag)) {
removeAndInvokeRemoveHook(ch);
invokeDestroyHook(ch);
}
else {
// Text node
removeNode(ch.elm);
}
}
}
}
function removeAndInvokeRemoveHook(vnode, rm) {
if (isDef(rm) || isDef(vnode.data)) {
let i;
const listeners = cbs.remove.length + 1;
if (isDef(rm)) {
// we have a recursively passed down rm callback
// increase the listeners count
rm.listeners += listeners;
}
else {
// directly removing
rm = createRmCb(vnode.elm, listeners);
}
// recursively invoke hooks on child component root node
if (isDef((i = vnode.componentInstance)) &&
isDef((i = i._vnode)) &&
isDef(i.data)) {
removeAndInvokeRemoveHook(i, rm);
}
for (i = 0; i < cbs.remove.length; ++i) {
cbs.remove[i](vnode, rm);
}
if (isDef((i = vnode.data.hook)) && isDef((i = i.remove))) {
i(vnode, rm);
}
else {
rm();
}
}
else {
removeNode(vnode.elm);
}
}
function updateChildren(parentElm, oldCh, newCh, insertedVnodeQueue, removeOnly) {
let oldStartIdx = 0;
let newStartIdx = 0;
let oldEndIdx = oldCh.length - 1;
let oldStartVnode = oldCh[0];
let oldEndVnode = oldCh[oldEndIdx];
let newEndIdx = newCh.length - 1;
let newStartVnode = newCh[0];
let newEndVnode = newCh[newEndIdx];
let oldKeyToIdx, idxInOld, vnodeToMove, refElm;
// removeOnly is a special flag used only by <transition-group>
// to ensure removed elements stay in correct relative positions
// during leaving transitions
const canMove = !removeOnly;
{
checkDuplicateKeys(newCh);
}
while (oldStartIdx <= oldEndIdx && newStartIdx <= newEndIdx) {
if (isUndef(oldStartVnode)) {
oldStartVnode = oldCh[++oldStartIdx]; // Vnode has been moved left
}
else if (isUndef(oldEndVnode)) {
oldEndVnode = oldCh[--oldEndIdx];
}
else if (sameVnode(oldStartVnode, newStartVnode)) {
patchVnode(oldStartVnode, newStartVnode, insertedVnodeQueue, newCh, newStartIdx);
oldStartVnode = oldCh[++oldStartIdx];
newStartVnode = newCh[++newStartIdx];
}
else if (sameVnode(oldEndVnode, newEndVnode)) {
patchVnode(oldEndVnode, newEndVnode, insertedVnodeQueue, newCh, newEndIdx);
oldEndVnode = oldCh[--oldEndIdx];
newEndVnode = newCh[--newEndIdx];
}
else if (sameVnode(oldStartVnode, newEndVnode)) {
// Vnode moved right
patchVnode(oldStartVnode, newEndVnode, insertedVnodeQueue, newCh, newEndIdx);
canMove &&
nodeOps.insertBefore(parentElm, oldStartVnode.elm, nodeOps.nextSibling(oldEndVnode.elm));
oldStartVnode = oldCh[++oldStartIdx];
newEndVnode = newCh[--newEndIdx];
}
else if (sameVnode(oldEndVnode, newStartVnode)) {
// Vnode moved left
patchVnode(oldEndVnode, newStartVnode, insertedVnodeQueue, newCh, newStartIdx);
canMove &&
nodeOps.insertBefore(parentElm, oldEndVnode.elm, oldStartVnode.elm);
oldEndVnode = oldCh[--oldEndIdx];
newStartVnode = newCh[++newStartIdx];
}
else {
if (isUndef(oldKeyToIdx))
oldKeyToIdx = createKeyToOldIdx(oldCh, oldStartIdx, oldEndIdx);
idxInOld = isDef(newStartVnode.key)
? oldKeyToIdx[newStartVnode.key]
: findIdxInOld(newStartVnode, oldCh, oldStartIdx, oldEndIdx);
if (isUndef(idxInOld)) {
// New element
createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm, false, newCh, newStartIdx);
}
else {
vnodeToMove = oldCh[idxInOld];
if (sameVnode(vnodeToMove, newStartVnode)) {
patchVnode(vnodeToMove, newStartVnode, insertedVnodeQueue, newCh, newStartIdx);
oldCh[idxInOld] = undefined;
canMove &&
nodeOps.insertBefore(parentElm, vnodeToMove.elm, oldStartVnode.elm);
}
else {
// same key but different element. treat as new element
createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm, false, newCh, newStartIdx);
}
}
newStartVnode = newCh[++newStartIdx];
}
}
if (oldStartIdx > oldEndIdx) {
refElm = isUndef(newCh[newEndIdx + 1]) ? null : newCh[newEndIdx + 1].elm;
addVnodes(parentElm, refElm, newCh, newStartIdx, newEndIdx, insertedVnodeQueue);
}
else if (newStartIdx > newEndIdx) {
removeVnodes(oldCh, oldStartIdx, oldEndIdx);
}
}
function checkDuplicateKeys(children) {
const seenKeys = {};
for (let i = 0; i < children.length; i++) {
const vnode = children[i];
const key = vnode.key;
if (isDef(key)) {
if (seenKeys[key]) {
warn(`Duplicate keys detected: '${key}'. This may cause an update error.`, vnode.context);
}
else {
seenKeys[key] = true;
}
}
}
}
function findIdxInOld(node, oldCh, start, end) {
for (let i = start; i < end; i++) {
const c = oldCh[i];
if (isDef(c) && sameVnode(node, c))
return i;
}
}
function patchVnode(oldVnode, vnode, insertedVnodeQueue, ownerArray, index, removeOnly) {
if (oldVnode === vnode) {
return;
}
if (isDef(vnode.elm) && isDef(ownerArray)) {
// clone reused vnode
vnode = ownerArray[index] = cloneVNode(vnode);
}
const elm = (vnode.elm = oldVnode.elm);
if (isTrue(oldVnode.isAsyncPlaceholder)) {
if (isDef(vnode.asyncFactory.resolved)) {
hydrate(oldVnode.elm, vnode, insertedVnodeQueue);
}
else {
vnode.isAsyncPlaceholder = true;
}
return;
}
// reuse element for static trees.
// note we only do this if the vnode is cloned -
// if the new node is not cloned it means the render functions have been
// reset by the hot-reload-api and we need to do a proper re-render.
if (isTrue(vnode.isStatic) &&
isTrue(oldVnode.isStatic) &&
vnode.key === oldVnode.key &&
(isTrue(vnode.isCloned) || isTrue(vnode.isOnce))) {
vnode.componentInstance = oldVnode.componentInstance;
return;
}
let i;
const data = vnode.data;
if (isDef(data) && isDef((i = data.hook)) && isDef((i = i.prepatch))) {
i(oldVnode, vnode);
}
const oldCh = oldVnode.children;
const ch = vnode.children;
if (isDef(data) && isPatchable(vnode)) {
for (i = 0; i < cbs.update.length; ++i)
cbs.update[i](oldVnode, vnode);
if (isDef((i = data.hook)) && isDef((i = i.update)))
i(oldVnode, vnode);
}
if (isUndef(vnode.text)) {
if (isDef(oldCh) && isDef(ch)) {
if (oldCh !== ch)
updateChildren(elm, oldCh, ch, insertedVnodeQueue, removeOnly);
}
else if (isDef(ch)) {
{
checkDuplicateKeys(ch);
}
if (isDef(oldVnode.text))
nodeOps.setTextContent(elm, '');
addVnodes(elm, null, ch, 0, ch.length - 1, insertedVnodeQueue);
}
else if (isDef(oldCh)) {
removeVnodes(oldCh, 0, oldCh.length - 1);
}
else if (isDef(oldVnode.text)) {
nodeOps.setTextContent(elm, '');
}
}
else if (oldVnode.text !== vnode.text) {
nodeOps.setTextContent(elm, vnode.text);
}
if (isDef(data)) {
if (isDef((i = data.hook)) && isDef((i = i.postpatch)))
i(oldVnode, vnode);
}
}
function invokeInsertHook(vnode, queue, initial) {
// delay insert hooks for component root nodes, invoke them after the
// element is really inserted
if (isTrue(initial) && isDef(vnode.parent)) {
vnode.parent.data.pendingInsert = queue;
}
else {
for (let i = 0; i < queue.length; ++i) {
queue[i].data.hook.insert(queue[i]);
}
}
}
let hydrationBailed = false;
// list of modules that can skip create hook during hydration because they
// are already rendered on the client or has no need for initialization
// Note: style is excluded because it relies on initial clone for future
// deep updates (#7063).
const isRenderedModule = makeMap('attrs,class,staticClass,staticStyle,key');
// Note: this is a browser-only function so we can assume elms are DOM nodes.
function hydrate(elm, vnode, insertedVnodeQueue, inVPre) {
let i;
const { tag, data, children } = vnode;
inVPre = inVPre || (data && data.pre);
vnode.elm = elm;
if (isTrue(vnode.isComment) && isDef(vnode.asyncFactory)) {
vnode.isAsyncPlaceholder = true;
return true;
}
// assert node match
{
if (!assertNodeMatch(elm, vnode, inVPre)) {
return false;
}
}
if (isDef(data)) {
if (isDef((i = data.hook)) && isDef((i = i.init)))
i(vnode, true /* hydrating */);
if (isDef((i = vnode.componentInstance))) {
// child component. it should have hydrated its own tree.
initComponent(vnode, insertedVnodeQueue);
return true;
}
}
if (isDef(tag)) {
if (isDef(children)) {
// empty element, allow client to pick up and populate children
if (!elm.hasChildNodes()) {
createChildren(vnode, children, insertedVnodeQueue);
}
else {
// v-html and domProps: innerHTML
if (isDef((i = data)) &&
isDef((i = i.domProps)) &&
isDef((i = i.innerHTML))) {
if (i !== elm.innerHTML) {
/* istanbul ignore if */
if (typeof console !== 'undefined' &&
!hydrationBailed) {
hydrationBailed = true;
console.warn('Parent: ', elm);
console.warn('server innerHTML: ', i);
console.warn('client innerHTML: ', elm.innerHTML);
}
return false;
}
}
else {
// iterate and compare children lists
let childrenMatch = true;
let childNode = elm.firstChild;
for (let i = 0; i < children.length; i++) {
if (!childNode ||
!hydrate(childNode, children[i], insertedVnodeQueue, inVPre)) {
childrenMatch = false;
break;
}
childNode = childNode.nextSibling;
}
// if childNode is not null, it means the actual childNodes list is
// longer than the virtual children list.
if (!childrenMatch || childNode) {
/* istanbul ignore if */
if (typeof console !== 'undefined' &&
!hydrationBailed) {
hydrationBailed = true;
console.warn('Parent: ', elm);
console.warn('Mismatching childNodes vs. VNodes: ', elm.childNodes, children);
}
return false;
}
}
}
}
if (isDef(data)) {
let fullInvoke = false;
for (const key in data) {
if (!isRenderedModule(key)) {
fullInvoke = true;
invokeCreateHooks(vnode, insertedVnodeQueue);
break;
}
}
if (!fullInvoke && data['class']) {
// ensure collecting deps for deep class bindings for future updates
traverse(data['class']);
}
}
}
else if (elm.data !== vnode.text) {
elm.data = vnode.text;
}
return true;
}
function assertNodeMatch(node, vnode, inVPre) {
if (isDef(vnode.tag)) {
return (vnode.tag.indexOf('vue-component') === 0 ||
(!isUnknownElement(vnode, inVPre) &&
vnode.tag.toLowerCase() ===
(node.tagName && node.tagName.toLowerCase())));
}
else {
return node.nodeType === (vnode.isComment ? 8 : 3);
}
}
return function patch(oldVnode, vnode, hydrating, removeOnly) {
if (isUndef(vnode)) {
if (isDef(oldVnode))
invokeDestroyHook(oldVnode);
return;
}
let isInitialPatch = false;
const insertedVnodeQueue = [];
if (isUndef(oldVnode)) {
// empty mount (likely as component), create new root element
isInitialPatch = true;
createElm(vnode, insertedVnodeQueue);
}
else {
const isRealElement = isDef(oldVnode.nodeType);
if (!isRealElement && sameVnode(oldVnode, vnode)) {
// patch existing root node
patchVnode(oldVnode, vnode, insertedVnodeQueue, null, null, removeOnly);
}
else {
if (isRealElement) {
// mounting to a real element
// check if this is server-rendered content and if we can perform
// a successful hydration.
if (oldVnode.nodeType === 1 && oldVnode.hasAttribute(SSR_ATTR)) {
oldVnode.removeAttribute(SSR_ATTR);
hydrating = true;
}
if (isTrue(hydrating)) {
if (hydrate(oldVnode, vnode, insertedVnodeQueue)) {
invokeInsertHook(vnode, insertedVnodeQueue, true);
return oldVnode;
}
else {
warn('The client-side rendered virtual DOM tree is not matching ' +
'server-rendered content. This is likely caused by incorrect ' +
'HTML markup, for example nesting block-level elements inside ' +
'<p>, or missing <tbody>. Bailing hydration and performing ' +
'full client-side render.');
}
}
// either not server-rendered, or hydration failed.
// create an empty node and replace it
oldVnode = emptyNodeAt(oldVnode);
}
// replacing existing element
const oldElm = oldVnode.elm;
const parentElm = nodeOps.parentNode(oldElm);
// create new node
createElm(vnode, insertedVnodeQueue,
// extremely rare edge case: do not insert if old element is in a
// leaving transition. Only happens when combining transition +
// keep-alive + HOCs. (#4590)
oldElm._leaveCb ? null : parentElm, nodeOps.nextSibling(oldElm));
// update parent placeholder node element, recursively
if (isDef(vnode.parent)) {
let ancestor = vnode.parent;
const patchable = isPatchable(vnode);
while (ancestor) {
for (let i = 0; i < cbs.destroy.length; ++i) {
cbs.destroy[i](ancestor);
}
ancestor.elm = vnode.elm;
if (patchable) {
for (let i = 0; i < cbs.create.length; ++i) {
cbs.create[i](emptyNode, ancestor);
}
// #6513
// invoke insert hooks that may have been merged by create hooks.
// e.g. for directives that uses the "inserted" hook.
const insert = ancestor.data.hook.insert;
if (insert.merged) {
// start at index 1 to avoid re-invoking component mounted hook
// clone insert hooks to avoid being mutated during iteration.
// e.g. for customed directives under transition group.
const cloned = insert.fns.slice(1);
for (let i = 0; i < cloned.length; i++) {
cloned[i]();
}
}
}
else {
registerRef(ancestor);
}
ancestor = ancestor.parent;
}
}
// destroy old node
if (isDef(parentElm)) {
removeVnodes([oldVnode], 0, 0);
}
else if (isDef(oldVnode.tag)) {
invokeDestroyHook(oldVnode);
}
}
}
invokeInsertHook(vnode, insertedVnodeQueue, isInitialPatch);
return vnode.elm;
};
}
var directives = {
create: updateDirectives,
update: updateDirectives,
destroy: function unbindDirectives(vnode) {
// @ts-expect-error emptyNode is not VNodeWithData
updateDirectives(vnode, emptyNode);
}
};
function updateDirectives(oldVnode, vnode) {
if (oldVnode.data.directives || vnode.data.directives) {
_update(oldVnode, vnode);
}
}
function _update(oldVnode, vnode) {
const isCreate = oldVnode === emptyNode;
const isDestroy = vnode === emptyNode;
const oldDirs = normalizeDirectives(oldVnode.data.directives, oldVnode.context);
const newDirs = normalizeDirectives(vnode.data.directives, vnode.context);
const dirsWithInsert = [];
const dirsWithPostpatch = [];
let key, oldDir, dir;
for (key in newDirs) {
oldDir = oldDirs[key];
dir = newDirs[key];
if (!oldDir) {
// new directive, bind
callHook(dir, 'bind', vnode, oldVnode);
if (dir.def && dir.def.inserted) {
dirsWithInsert.push(dir);
}
}
else {
// existing directive, update
dir.oldValue = oldDir.value;
dir.oldArg = oldDir.arg;
callHook(dir, 'update', vnode, oldVnode);
if (dir.def && dir.def.componentUpdated) {
dirsWithPostpatch.push(dir);
}
}
}
if (dirsWithInsert.length) {
const callInsert = () => {
for (let i = 0; i < dirsWithInsert.length; i++) {
callHook(dirsWithInsert[i], 'inserted', vnode, oldVnode);
}
};
if (isCreate) {
mergeVNodeHook(vnode, 'insert', callInsert);
}
else {
callInsert();
}
}
if (dirsWithPostpatch.length) {
mergeVNodeHook(vnode, 'postpatch', () => {
for (let i = 0; i < dirsWithPostpatch.length; i++) {
callHook(dirsWithPostpatch[i], 'componentUpdated', vnode, oldVnode);
}
});
}
if (!isCreate) {
for (key in oldDirs) {
if (!newDirs[key]) {
// no longer present, unbind
callHook(oldDirs[key], 'unbind', oldVnode, oldVnode, isDestroy);
}
}
}
}
const emptyModifiers = Object.create(null);
function normalizeDirectives(dirs, vm) {
const res = Object.create(null);
if (!dirs) {
// $flow-disable-line
return res;
}
let i, dir;
for (i = 0; i < dirs.length; i++) {
dir = dirs[i];
if (!dir.modifiers) {
// $flow-disable-line
dir.modifiers = emptyModifiers;
}
res[getRawDirName(dir)] = dir;
if (vm._setupState && vm._setupState.__sfc) {
const setupDef = dir.def || resolveAsset(vm, '_setupState', 'v-' + dir.name);
if (typeof setupDef === 'function') {
dir.def = {
bind: setupDef,
update: setupDef,
};
}
else {
dir.def = setupDef;
}
}
dir.def = dir.def || resolveAsset(vm.$options, 'directives', dir.name, true);
}
// $flow-disable-line
return res;
}
function getRawDirName(dir) {
return (dir.rawName || `${dir.name}.${Object.keys(dir.modifiers || {}).join('.')}`);
}
function callHook(dir, hook, vnode, oldVnode, isDestroy) {
const fn = dir.def && dir.def[hook];
if (fn) {
try {
fn(vnode.elm, dir, vnode, oldVnode, isDestroy);
}
catch (e) {
handleError(e, vnode.context, `directive ${dir.name} ${hook} hook`);
}
}
}
var baseModules = [ref, directives];
function updateAttrs(oldVnode, vnode) {
const opts = vnode.componentOptions;
if (isDef(opts) && opts.Ctor.options.inheritAttrs === false) {
return;
}
if (isUndef(oldVnode.data.attrs) && isUndef(vnode.data.attrs)) {
return;
}
let key, cur, old;
const elm = vnode.elm;
const oldAttrs = oldVnode.data.attrs || {};
let attrs = vnode.data.attrs || {};
// clone observed objects, as the user probably wants to mutate it
if (isDef(attrs.__ob__) || isTrue(attrs._v_attr_proxy)) {
attrs = vnode.data.attrs = extend({}, attrs);
}
for (key in attrs) {
cur = attrs[key];
old = oldAttrs[key];
if (old !== cur) {
setAttr(elm, key, cur, vnode.data.pre);
}
}
// #4391: in IE9, setting type can reset value for input[type=radio]
// #6666: IE/Edge forces progress value down to 1 before setting a max
/* istanbul ignore if */
if ((isIE || isEdge) && attrs.value !== oldAttrs.value) {
setAttr(elm, 'value', attrs.value);
}
for (key in oldAttrs) {
if (isUndef(attrs[key])) {
if (isXlink(key)) {
elm.removeAttributeNS(xlinkNS, getXlinkProp(key));
}
else if (!isEnumeratedAttr(key)) {
elm.removeAttribute(key);
}
}
}
}
function setAttr(el, key, value, isInPre) {
if (isInPre || el.tagName.indexOf('-') > -1) {
baseSetAttr(el, key, value);
}
else if (isBooleanAttr(key)) {
// set attribute for blank value
// e.g. <option disabled>Select one</option>
if (isFalsyAttrValue(value)) {
el.removeAttribute(key);
}
else {
// technically allowfullscreen is a boolean attribute for <iframe>,
// but Flash expects a value of "true" when used on <embed> tag
value = key === 'allowfullscreen' && el.tagName === 'EMBED' ? 'true' : key;
el.setAttribute(key, value);
}
}
else if (isEnumeratedAttr(key)) {
el.setAttribute(key, convertEnumeratedValue(key, value));
}
else if (isXlink(key)) {
if (isFalsyAttrValue(value)) {
el.removeAttributeNS(xlinkNS, getXlinkProp(key));
}
else {
el.setAttributeNS(xlinkNS, key, value);
}
}
else {
baseSetAttr(el, key, value);
}
}
function baseSetAttr(el, key, value) {
if (isFalsyAttrValue(value)) {
el.removeAttribute(key);
}
else {
// #7138: IE10 & 11 fires input event when setting placeholder on
// <textarea>... block the first input event and remove the blocker
// immediately.
/* istanbul ignore if */
if (isIE &&
!isIE9 &&
el.tagName === 'TEXTAREA' &&
key === 'placeholder' &&
value !== '' &&
!el.__ieph) {
const blocker = e => {
e.stopImmediatePropagation();
el.removeEventListener('input', blocker);
};
el.addEventListener('input', blocker);
// $flow-disable-line
el.__ieph = true; /* IE placeholder patched */
}
el.setAttribute(key, value);
}
}
var attrs = {
create: updateAttrs,
update: updateAttrs
};
function updateClass(oldVnode, vnode) {
const el = vnode.elm;
const data = vnode.data;
const oldData = oldVnode.data;
if (isUndef(data.staticClass) &&
isUndef(data.class) &&
(isUndef(oldData) ||
(isUndef(oldData.staticClass) && isUndef(oldData.class)))) {
return;
}
let cls = genClassForVnode(vnode);
// handle transition classes
const transitionClass = el._transitionClasses;
if (isDef(transitionClass)) {
cls = concat(cls, stringifyClass(transitionClass));
}
// set the class
if (cls !== el._prevClass) {
el.setAttribute('class', cls);
el._prevClass = cls;
}
}
var klass = {
create: updateClass,
update: updateClass
};
// in some cases, the event used has to be determined at runtime
// so we used some reserved tokens during compile.
const RANGE_TOKEN = '__r';
const CHECKBOX_RADIO_TOKEN = '__c';
// normalize v-model event tokens that can only be determined at runtime.
// it's important to place the event as the first in the array because
// the whole point is ensuring the v-model callback gets called before
// user-attached handlers.
function normalizeEvents(on) {
/* istanbul ignore if */
if (isDef(on[RANGE_TOKEN])) {
// IE input[type=range] only supports `change` event
const event = isIE ? 'change' : 'input';
on[event] = [].concat(on[RANGE_TOKEN], on[event] || []);
delete on[RANGE_TOKEN];
}
// This was originally intended to fix #4521 but no longer necessary
// after 2.5. Keeping it for backwards compat with generated code from < 2.4
/* istanbul ignore if */
if (isDef(on[CHECKBOX_RADIO_TOKEN])) {
on.change = [].concat(on[CHECKBOX_RADIO_TOKEN], on.change || []);
delete on[CHECKBOX_RADIO_TOKEN];
}
}
let target;
function createOnceHandler(event, handler, capture) {
const _target = target; // save current target element in closure
return function onceHandler() {
const res = handler.apply(null, arguments);
if (res !== null) {
remove(event, onceHandler, capture, _target);
}
};
}
// #9446: Firefox <= 53 (in particular, ESR 52) has incorrect Event.timeStamp
// implementation and does not fire microtasks in between event propagation, so
// safe to exclude.
const useMicrotaskFix = isUsingMicroTask && !(isFF && Number(isFF[1]) <= 53);
function add(name, handler, capture, passive) {
// async edge case #6566: inner click event triggers patch, event handler
// attached to outer element during patch, and triggered again. This
// happens because browsers fire microtask ticks between event propagation.
// the solution is simple: we save the timestamp when a handler is attached,
// and the handler would only fire if the event passed to it was fired
// AFTER it was attached.
if (useMicrotaskFix) {
const attachedTimestamp = currentFlushTimestamp;
const original = handler;
//@ts-expect-error
handler = original._wrapper = function (e) {
if (
// no bubbling, should always fire.
// this is just a safety net in case event.timeStamp is unreliable in
// certain weird environments...
e.target === e.currentTarget ||
// event is fired after handler attachment
e.timeStamp >= attachedTimestamp ||
// bail for environments that have buggy event.timeStamp implementations
// #9462 iOS 9 bug: event.timeStamp is 0 after history.pushState
// #9681 QtWebEngine event.timeStamp is negative value
e.timeStamp <= 0 ||
// #9448 bail if event is fired in another document in a multi-page
// electron/nw.js app, since event.timeStamp will be using a different
// starting reference
e.target.ownerDocument !== document) {
return original.apply(this, arguments);
}
};
}
target.addEventListener(name, handler, supportsPassive ? { capture, passive } : capture);
}
function remove(name, handler, capture, _target) {
(_target || target).removeEventListener(name,
//@ts-expect-error
handler._wrapper || handler, capture);
}
function updateDOMListeners(oldVnode, vnode) {
if (isUndef(oldVnode.data.on) && isUndef(vnode.data.on)) {
return;
}
const on = vnode.data.on || {};
const oldOn = oldVnode.data.on || {};
// vnode is empty when removing all listeners,
// and use old vnode dom element
target = vnode.elm || oldVnode.elm;
normalizeEvents(on);
updateListeners(on, oldOn, add, remove, createOnceHandler, vnode.context);
target = undefined;
}
var events = {
create: updateDOMListeners,
update: updateDOMListeners,
// @ts-expect-error emptyNode has actually data
destroy: (vnode) => updateDOMListeners(vnode, emptyNode)
};
let svgContainer;
function updateDOMProps(oldVnode, vnode) {
if (isUndef(oldVnode.data.domProps) && isUndef(vnode.data.domProps)) {
return;
}
let key, cur;
const elm = vnode.elm;
const oldProps = oldVnode.data.domProps || {};
let props = vnode.data.domProps || {};
// clone observed objects, as the user probably wants to mutate it
if (isDef(props.__ob__) || isTrue(props._v_attr_proxy)) {
props = vnode.data.domProps = extend({}, props);
}
for (key in oldProps) {
if (!(key in props)) {
elm[key] = '';
}
}
for (key in props) {
cur = props[key];
// ignore children if the node has textContent or innerHTML,
// as these will throw away existing DOM nodes and cause removal errors
// on subsequent patches (#3360)
if (key === 'textContent' || key === 'innerHTML') {
if (vnode.children)
vnode.children.length = 0;
if (cur === oldProps[key])
continue;
// #6601 work around Chrome version <= 55 bug where single textNode
// replaced by innerHTML/textContent retains its parentNode property
if (elm.childNodes.length === 1) {
elm.removeChild(elm.childNodes[0]);
}
}
if (key === 'value' && elm.tagName !== 'PROGRESS') {
// store value as _value as well since
// non-string values will be stringified
elm._value = cur;
// avoid resetting cursor position when value is the same
const strCur = isUndef(cur) ? '' : String(cur);
if (shouldUpdateValue(elm, strCur)) {
elm.value = strCur;
}
}
else if (key === 'innerHTML' &&
isSVG(elm.tagName) &&
isUndef(elm.innerHTML)) {
// IE doesn't support innerHTML for SVG elements
svgContainer = svgContainer || document.createElement('div');
svgContainer.innerHTML = `<svg>${cur}</svg>`;
const svg = svgContainer.firstChild;
while (elm.firstChild) {
elm.removeChild(elm.firstChild);
}
while (svg.firstChild) {
elm.appendChild(svg.firstChild);
}
}
else if (
// skip the update if old and new VDOM state is the same.
// `value` is handled separately because the DOM value may be temporarily
// out of sync with VDOM state due to focus, composition and modifiers.
// This #4521 by skipping the unnecessary `checked` update.
cur !== oldProps[key]) {
// some property updates can throw
// e.g. `value` on <progress> w/ non-finite value
try {
elm[key] = cur;
}
catch (e) { }
}
}
}
function shouldUpdateValue(elm, checkVal) {
return (
//@ts-expect-error
!elm.composing &&
(elm.tagName === 'OPTION' ||
isNotInFocusAndDirty(elm, checkVal) ||
isDirtyWithModifiers(elm, checkVal)));
}
function isNotInFocusAndDirty(elm, checkVal) {
// return true when textbox (.number and .trim) loses focus and its value is
// not equal to the updated value
let notInFocus = true;
// #6157
// work around IE bug when accessing document.activeElement in an iframe
try {
notInFocus = document.activeElement !== elm;
}
catch (e) { }
return notInFocus && elm.value !== checkVal;
}
function isDirtyWithModifiers(elm, newVal) {
const value = elm.value;
const modifiers = elm._vModifiers; // injected by v-model runtime
if (isDef(modifiers)) {
if (modifiers.number) {
return toNumber(value) !== toNumber(newVal);
}
if (modifiers.trim) {
return value.trim() !== newVal.trim();
}
}
return value !== newVal;
}
var domProps = {
create: updateDOMProps,
update: updateDOMProps
};
const parseStyleText = cached(function (cssText) {
const res = {};
const listDelimiter = /;(?![^(]*\))/g;
const propertyDelimiter = /:(.+)/;
cssText.split(listDelimiter).forEach(function (item) {
if (item) {
const tmp = item.split(propertyDelimiter);
tmp.length > 1 && (res[tmp[0].trim()] = tmp[1].trim());
}
});
return res;
});
// merge static and dynamic style data on the same vnode
function normalizeStyleData(data) {
const style = normalizeStyleBinding(data.style);
// static style is pre-processed into an object during compilation
// and is always a fresh object, so it's safe to merge into it
return data.staticStyle ? extend(data.staticStyle, style) : style;
}
// normalize possible array / string values into Object
function normalizeStyleBinding(bindingStyle) {
if (Array.isArray(bindingStyle)) {
return toObject(bindingStyle);
}
if (typeof bindingStyle === 'string') {
return parseStyleText(bindingStyle);
}
return bindingStyle;
}
/**
* parent component style should be after child's
* so that parent component's style could override it
*/
function getStyle(vnode, checkChild) {
const res = {};
let styleData;
if (checkChild) {
let childNode = vnode;
while (childNode.componentInstance) {
childNode = childNode.componentInstance._vnode;
if (childNode &&
childNode.data &&
(styleData = normalizeStyleData(childNode.data))) {
extend(res, styleData);
}
}
}
if ((styleData = normalizeStyleData(vnode.data))) {
extend(res, styleData);
}
let parentNode = vnode;
// @ts-expect-error parentNode.parent not VNodeWithData
while ((parentNode = parentNode.parent)) {
if (parentNode.data && (styleData = normalizeStyleData(parentNode.data))) {
extend(res, styleData);
}
}
return res;
}
const cssVarRE = /^--/;
const importantRE = /\s*!important$/;
const setProp = (el, name, val) => {
/* istanbul ignore if */
if (cssVarRE.test(name)) {
el.style.setProperty(name, val);
}
else if (importantRE.test(val)) {
el.style.setProperty(hyphenate(name), val.replace(importantRE, ''), 'important');
}
else {
const normalizedName = normalize(name);
if (Array.isArray(val)) {
// Support values array created by autoprefixer, e.g.
// {display: ["-webkit-box", "-ms-flexbox", "flex"]}
// Set them one by one, and the browser will only set those it can recognize
for (let i = 0, len = val.length; i < len; i++) {
el.style[normalizedName] = val[i];
}
}
else {
el.style[normalizedName] = val;
}
}
};
const vendorNames = ['Webkit', 'Moz', 'ms'];
let emptyStyle;
const normalize = cached(function (prop) {
emptyStyle = emptyStyle || document.createElement('div').style;
prop = camelize(prop);
if (prop !== 'filter' && prop in emptyStyle) {
return prop;
}
const capName = prop.charAt(0).toUpperCase() + prop.slice(1);
for (let i = 0; i < vendorNames.length; i++) {
const name = vendorNames[i] + capName;
if (name in emptyStyle) {
return name;
}
}
});
function updateStyle(oldVnode, vnode) {
const data = vnode.data;
const oldData = oldVnode.data;
if (isUndef(data.staticStyle) &&
isUndef(data.style) &&
isUndef(oldData.staticStyle) &&
isUndef(oldData.style)) {
return;
}
let cur, name;
const el = vnode.elm;
const oldStaticStyle = oldData.staticStyle;
const oldStyleBinding = oldData.normalizedStyle || oldData.style || {};
// if static style exists, stylebinding already merged into it when doing normalizeStyleData
const oldStyle = oldStaticStyle || oldStyleBinding;
const style = normalizeStyleBinding(vnode.data.style) || {};
// store normalized style under a different key for next diff
// make sure to clone it if it's reactive, since the user likely wants
// to mutate it.
vnode.data.normalizedStyle = isDef(style.__ob__) ? extend({}, style) : style;
const newStyle = getStyle(vnode, true);
for (name in oldStyle) {
if (isUndef(newStyle[name])) {
setProp(el, name, '');
}
}
for (name in newStyle) {
cur = newStyle[name];
// ie9 setting to null has no effect, must use empty string
setProp(el, name, cur == null ? '' : cur);
}
}
var style = {
create: updateStyle,
update: updateStyle
};
const whitespaceRE = /\s+/;
/**
* Add class with compatibility for SVG since classList is not supported on
* SVG elements in IE
*/
function addClass(el, cls) {
/* istanbul ignore if */
if (!cls || !(cls = cls.trim())) {
return;
}
/* istanbul ignore else */
if (el.classList) {
if (cls.indexOf(' ') > -1) {
cls.split(whitespaceRE).forEach(c => el.classList.add(c));
}
else {
el.classList.add(cls);
}
}
else {
const cur = ` ${el.getAttribute('class') || ''} `;
if (cur.indexOf(' ' + cls + ' ') < 0) {
el.setAttribute('class', (cur + cls).trim());
}
}
}
/**
* Remove class with compatibility for SVG since classList is not supported on
* SVG elements in IE
*/
function removeClass(el, cls) {
/* istanbul ignore if */
if (!cls || !(cls = cls.trim())) {
return;
}
/* istanbul ignore else */
if (el.classList) {
if (cls.indexOf(' ') > -1) {
cls.split(whitespaceRE).forEach(c => el.classList.remove(c));
}
else {
el.classList.remove(cls);
}
if (!el.classList.length) {
el.removeAttribute('class');
}
}
else {
let cur = ` ${el.getAttribute('class') || ''} `;
const tar = ' ' + cls + ' ';
while (cur.indexOf(tar) >= 0) {
cur = cur.replace(tar, ' ');
}
cur = cur.trim();
if (cur) {
el.setAttribute('class', cur);
}
else {
el.removeAttribute('class');
}
}
}
function resolveTransition(def) {
if (!def) {
return;
}
/* istanbul ignore else */
if (typeof def === 'object') {
const res = {};
if (def.css !== false) {
extend(res, autoCssTransition(def.name || 'v'));
}
extend(res, def);
return res;
}
else if (typeof def === 'string') {
return autoCssTransition(def);
}
}
const autoCssTransition = cached(name => {
return {
enterClass: `${name}-enter`,
enterToClass: `${name}-enter-to`,
enterActiveClass: `${name}-enter-active`,
leaveClass: `${name}-leave`,
leaveToClass: `${name}-leave-to`,
leaveActiveClass: `${name}-leave-active`
};
});
const hasTransition = inBrowser && !isIE9;
const TRANSITION = 'transition';
const ANIMATION = 'animation';
// Transition property/event sniffing
let transitionProp = 'transition';
let transitionEndEvent = 'transitionend';
let animationProp = 'animation';
let animationEndEvent = 'animationend';
if (hasTransition) {
/* istanbul ignore if */
if (window.ontransitionend === undefined &&
window.onwebkittransitionend !== undefined) {
transitionProp = 'WebkitTransition';
transitionEndEvent = 'webkitTransitionEnd';
}
if (window.onanimationend === undefined &&
window.onwebkitanimationend !== undefined) {
animationProp = 'WebkitAnimation';
animationEndEvent = 'webkitAnimationEnd';
}
}
// binding to window is necessary to make hot reload work in IE in strict mode
const raf = inBrowser
? window.requestAnimationFrame
? window.requestAnimationFrame.bind(window)
: setTimeout
: /* istanbul ignore next */ /* istanbul ignore next */ fn => fn();
function nextFrame(fn) {
raf(() => {
// @ts-expect-error
raf(fn);
});
}
function addTransitionClass(el, cls) {
const transitionClasses = el._transitionClasses || (el._transitionClasses = []);
if (transitionClasses.indexOf(cls) < 0) {
transitionClasses.push(cls);
addClass(el, cls);
}
}
function removeTransitionClass(el, cls) {
if (el._transitionClasses) {
remove$2(el._transitionClasses, cls);
}
removeClass(el, cls);
}
function whenTransitionEnds(el, expectedType, cb) {
const { type, timeout, propCount } = getTransitionInfo(el, expectedType);
if (!type)
return cb();
const event = type === TRANSITION ? transitionEndEvent : animationEndEvent;
let ended = 0;
const end = () => {
el.removeEventListener(event, onEnd);
cb();
};
const onEnd = e => {
if (e.target === el) {
if (++ended >= propCount) {
end();
}
}
};
setTimeout(() => {
if (ended < propCount) {
end();
}
}, timeout + 1);
el.addEventListener(event, onEnd);
}
const transformRE = /\b(transform|all)(,|$)/;
function getTransitionInfo(el, expectedType) {
const styles = window.getComputedStyle(el);
// JSDOM may return undefined for transition properties
const transitionDelays = (styles[transitionProp + 'Delay'] || '').split(', ');
const transitionDurations = (styles[transitionProp + 'Duration'] || '').split(', ');
const transitionTimeout = getTimeout(transitionDelays, transitionDurations);
const animationDelays = (styles[animationProp + 'Delay'] || '').split(', ');
const animationDurations = (styles[animationProp + 'Duration'] || '').split(', ');
const animationTimeout = getTimeout(animationDelays, animationDurations);
let type;
let timeout = 0;
let propCount = 0;
/* istanbul ignore if */
if (expectedType === TRANSITION) {
if (transitionTimeout > 0) {
type = TRANSITION;
timeout = transitionTimeout;
propCount = transitionDurations.length;
}
}
else if (expectedType === ANIMATION) {
if (animationTimeout > 0) {
type = ANIMATION;
timeout = animationTimeout;
propCount = animationDurations.length;
}
}
else {
timeout = Math.max(transitionTimeout, animationTimeout);
type =
timeout > 0
? transitionTimeout > animationTimeout
? TRANSITION
: ANIMATION
: null;
propCount = type
? type === TRANSITION
? transitionDurations.length
: animationDurations.length
: 0;
}
const hasTransform = type === TRANSITION && transformRE.test(styles[transitionProp + 'Property']);
return {
type,
timeout,
propCount,
hasTransform
};
}
function getTimeout(delays, durations) {
/* istanbul ignore next */
while (delays.length < durations.length) {
delays = delays.concat(delays);
}
return Math.max.apply(null, durations.map((d, i) => {
return toMs(d) + toMs(delays[i]);
}));
}
// Old versions of Chromium (below 61.0.3163.100) formats floating pointer numbers
// in a locale-dependent way, using a comma instead of a dot.
// If comma is not replaced with a dot, the input will be rounded down (i.e. acting
// as a floor function) causing unexpected behaviors
function toMs(s) {
return Number(s.slice(0, -1).replace(',', '.')) * 1000;
}
function enter(vnode, toggleDisplay) {
const el = vnode.elm;
// call leave callback now
if (isDef(el._leaveCb)) {
el._leaveCb.cancelled = true;
el._leaveCb();
}
const data = resolveTransition(vnode.data.transition);
if (isUndef(data)) {
return;
}
/* istanbul ignore if */
if (isDef(el._enterCb) || el.nodeType !== 1) {
return;
}
const { css, type, enterClass, enterToClass, enterActiveClass, appearClass, appearToClass, appearActiveClass, beforeEnter, enter, afterEnter, enterCancelled, beforeAppear, appear, afterAppear, appearCancelled, duration } = data;
// activeInstance will always be the <transition> component managing this
// transition. One edge case to check is when the <transition> is placed
// as the root node of a child component. In that case we need to check
// <transition>'s parent for appear check.
let context = activeInstance;
let transitionNode = activeInstance.$vnode;
while (transitionNode && transitionNode.parent) {
context = transitionNode.context;
transitionNode = transitionNode.parent;
}
const isAppear = !context._isMounted || !vnode.isRootInsert;
if (isAppear && !appear && appear !== '') {
return;
}
const startClass = isAppear && appearClass ? appearClass : enterClass;
const activeClass = isAppear && appearActiveClass ? appearActiveClass : enterActiveClass;
const toClass = isAppear && appearToClass ? appearToClass : enterToClass;
const beforeEnterHook = isAppear ? beforeAppear || beforeEnter : beforeEnter;
const enterHook = isAppear ? (isFunction(appear) ? appear : enter) : enter;
const afterEnterHook = isAppear ? afterAppear || afterEnter : afterEnter;
const enterCancelledHook = isAppear
? appearCancelled || enterCancelled
: enterCancelled;
const explicitEnterDuration = toNumber(isObject(duration) ? duration.enter : duration);
if (explicitEnterDuration != null) {
checkDuration(explicitEnterDuration, 'enter', vnode);
}
const expectsCSS = css !== false && !isIE9;
const userWantsControl = getHookArgumentsLength(enterHook);
const cb = (el._enterCb = once(() => {
if (expectsCSS) {
removeTransitionClass(el, toClass);
removeTransitionClass(el, activeClass);
}
// @ts-expect-error
if (cb.cancelled) {
if (expectsCSS) {
removeTransitionClass(el, startClass);
}
enterCancelledHook && enterCancelledHook(el);
}
else {
afterEnterHook && afterEnterHook(el);
}
el._enterCb = null;
}));
if (!vnode.data.show) {
// remove pending leave element on enter by injecting an insert hook
mergeVNodeHook(vnode, 'insert', () => {
const parent = el.parentNode;
const pendingNode = parent && parent._pending && parent._pending[vnode.key];
if (pendingNode &&
pendingNode.tag === vnode.tag &&
pendingNode.elm._leaveCb) {
pendingNode.elm._leaveCb();
}
enterHook && enterHook(el, cb);
});
}
// start enter transition
beforeEnterHook && beforeEnterHook(el);
if (expectsCSS) {
addTransitionClass(el, startClass);
addTransitionClass(el, activeClass);
nextFrame(() => {
removeTransitionClass(el, startClass);
// @ts-expect-error
if (!cb.cancelled) {
addTransitionClass(el, toClass);
if (!userWantsControl) {
if (isValidDuration(explicitEnterDuration)) {
setTimeout(cb, explicitEnterDuration);
}
else {
whenTransitionEnds(el, type, cb);
}
}
}
});
}
if (vnode.data.show) {
toggleDisplay && toggleDisplay();
enterHook && enterHook(el, cb);
}
if (!expectsCSS && !userWantsControl) {
cb();
}
}
function leave(vnode, rm) {
const el = vnode.elm;
// call enter callback now
if (isDef(el._enterCb)) {
el._enterCb.cancelled = true;
el._enterCb();
}
const data = resolveTransition(vnode.data.transition);
if (isUndef(data) || el.nodeType !== 1) {
return rm();
}
/* istanbul ignore if */
if (isDef(el._leaveCb)) {
return;
}
const { css, type, leaveClass, leaveToClass, leaveActiveClass, beforeLeave, leave, afterLeave, leaveCancelled, delayLeave, duration } = data;
const expectsCSS = css !== false && !isIE9;
const userWantsControl = getHookArgumentsLength(leave);
const explicitLeaveDuration = toNumber(isObject(duration) ? duration.leave : duration);
if (isDef(explicitLeaveDuration)) {
checkDuration(explicitLeaveDuration, 'leave', vnode);
}
const cb = (el._leaveCb = once(() => {
if (el.parentNode && el.parentNode._pending) {
el.parentNode._pending[vnode.key] = null;
}
if (expectsCSS) {
removeTransitionClass(el, leaveToClass);
removeTransitionClass(el, leaveActiveClass);
}
// @ts-expect-error
if (cb.cancelled) {
if (expectsCSS) {
removeTransitionClass(el, leaveClass);
}
leaveCancelled && leaveCancelled(el);
}
else {
rm();
afterLeave && afterLeave(el);
}
el._leaveCb = null;
}));
if (delayLeave) {
delayLeave(performLeave);
}
else {
performLeave();
}
function performLeave() {
// the delayed leave may have already been cancelled
// @ts-expect-error
if (cb.cancelled) {
return;
}
// record leaving element
if (!vnode.data.show && el.parentNode) {
(el.parentNode._pending || (el.parentNode._pending = {}))[vnode.key] =
vnode;
}
beforeLeave && beforeLeave(el);
if (expectsCSS) {
addTransitionClass(el, leaveClass);
addTransitionClass(el, leaveActiveClass);
nextFrame(() => {
removeTransitionClass(el, leaveClass);
// @ts-expect-error
if (!cb.cancelled) {
addTransitionClass(el, leaveToClass);
if (!userWantsControl) {
if (isValidDuration(explicitLeaveDuration)) {
setTimeout(cb, explicitLeaveDuration);
}
else {
whenTransitionEnds(el, type, cb);
}
}
}
});
}
leave && leave(el, cb);
if (!expectsCSS && !userWantsControl) {
cb();
}
}
}
// only used in dev mode
function checkDuration(val, name, vnode) {
if (typeof val !== 'number') {
warn(`<transition> explicit ${name} duration is not a valid number - ` +
`got ${JSON.stringify(val)}.`, vnode.context);
}
else if (isNaN(val)) {
warn(`<transition> explicit ${name} duration is NaN - ` +
'the duration expression might be incorrect.', vnode.context);
}
}
function isValidDuration(val) {
return typeof val === 'number' && !isNaN(val);
}
/**
* Normalize a transition hook's argument length. The hook may be:
* - a merged hook (invoker) with the original in .fns
* - a wrapped component method (check ._length)
* - a plain function (.length)
*/
function getHookArgumentsLength(fn) {
if (isUndef(fn)) {
return false;
}
// @ts-expect-error
const invokerFns = fn.fns;
if (isDef(invokerFns)) {
// invoker
return getHookArgumentsLength(Array.isArray(invokerFns) ? invokerFns[0] : invokerFns);
}
else {
// @ts-expect-error
return (fn._length || fn.length) > 1;
}
}
function _enter(_, vnode) {
if (vnode.data.show !== true) {
enter(vnode);
}
}
var transition = inBrowser
? {
create: _enter,
activate: _enter,
remove(vnode, rm) {
/* istanbul ignore else */
if (vnode.data.show !== true) {
// @ts-expect-error
leave(vnode, rm);
}
else {
rm();
}
}
}
: {};
var platformModules = [attrs, klass, events, domProps, style, transition];
// the directive module should be applied last, after all
// built-in modules have been applied.
const modules = platformModules.concat(baseModules);
const patch = createPatchFunction({ nodeOps, modules });
/**
* Not type checking this file because flow doesn't like attaching
* properties to Elements.
*/
/* istanbul ignore if */
if (isIE9) {
// http://www.matts411.com/post/internet-explorer-9-oninput/
document.addEventListener('selectionchange', () => {
const el = document.activeElement;
// @ts-expect-error
if (el && el.vmodel) {
trigger(el, 'input');
}
});
}
const directive = {
inserted(el, binding, vnode, oldVnode) {
if (vnode.tag === 'select') {
// #6903
if (oldVnode.elm && !oldVnode.elm._vOptions) {
mergeVNodeHook(vnode, 'postpatch', () => {
directive.componentUpdated(el, binding, vnode);
});
}
else {
setSelected(el, binding, vnode.context);
}
el._vOptions = [].map.call(el.options, getValue);
}
else if (vnode.tag === 'textarea' || isTextInputType(el.type)) {
el._vModifiers = binding.modifiers;
if (!binding.modifiers.lazy) {
el.addEventListener('compositionstart', onCompositionStart);
el.addEventListener('compositionend', onCompositionEnd);
// Safari < 10.2 & UIWebView doesn't fire compositionend when
// switching focus before confirming composition choice
// this also fixes the issue where some browsers e.g. iOS Chrome
// fires "change" instead of "input" on autocomplete.
el.addEventListener('change', onCompositionEnd);
/* istanbul ignore if */
if (isIE9) {
el.vmodel = true;
}
}
}
},
componentUpdated(el, binding, vnode) {
if (vnode.tag === 'select') {
setSelected(el, binding, vnode.context);
// in case the options rendered by v-for have changed,
// it's possible that the value is out-of-sync with the rendered options.
// detect such cases and filter out values that no longer has a matching
// option in the DOM.
const prevOptions = el._vOptions;
const curOptions = (el._vOptions = [].map.call(el.options, getValue));
if (curOptions.some((o, i) => !looseEqual(o, prevOptions[i]))) {
// trigger change event if
// no matching option found for at least one value
const needReset = el.multiple
? binding.value.some(v => hasNoMatchingOption(v, curOptions))
: binding.value !== binding.oldValue &&
hasNoMatchingOption(binding.value, curOptions);
if (needReset) {
trigger(el, 'change');
}
}
}
}
};
function setSelected(el, binding, vm) {
actuallySetSelected(el, binding, vm);
/* istanbul ignore if */
if (isIE || isEdge) {
setTimeout(() => {
actuallySetSelected(el, binding, vm);
}, 0);
}
}
function actuallySetSelected(el, binding, vm) {
const value = binding.value;
const isMultiple = el.multiple;
if (isMultiple && !Array.isArray(value)) {
warn(`<select multiple v-model="${binding.expression}"> ` +
`expects an Array value for its binding, but got ${Object.prototype.toString
.call(value)
.slice(8, -1)}`, vm);
return;
}
let selected, option;
for (let i = 0, l = el.options.length; i < l; i++) {
option = el.options[i];
if (isMultiple) {
selected = looseIndexOf(value, getValue(option)) > -1;
if (option.selected !== selected) {
option.selected = selected;
}
}
else {
if (looseEqual(getValue(option), value)) {
if (el.selectedIndex !== i) {
el.selectedIndex = i;
}
return;
}
}
}
if (!isMultiple) {
el.selectedIndex = -1;
}
}
function hasNoMatchingOption(value, options) {
return options.every(o => !looseEqual(o, value));
}
function getValue(option) {
return '_value' in option ? option._value : option.value;
}
function onCompositionStart(e) {
e.target.composing = true;
}
function onCompositionEnd(e) {
// prevent triggering an input event for no reason
if (!e.target.composing)
return;
e.target.composing = false;
trigger(e.target, 'input');
}
function trigger(el, type) {
const e = document.createEvent('HTMLEvents');
e.initEvent(type, true, true);
el.dispatchEvent(e);
}
// recursively search for possible transition defined inside the component root
function locateNode(vnode) {
// @ts-expect-error
return vnode.componentInstance && (!vnode.data || !vnode.data.transition)
? locateNode(vnode.componentInstance._vnode)
: vnode;
}
var show = {
bind(el, { value }, vnode) {
vnode = locateNode(vnode);
const transition = vnode.data && vnode.data.transition;
const originalDisplay = (el.__vOriginalDisplay =
el.style.display === 'none' ? '' : el.style.display);
if (value && transition) {
vnode.data.show = true;
enter(vnode, () => {
el.style.display = originalDisplay;
});
}
else {
el.style.display = value ? originalDisplay : 'none';
}
},
update(el, { value, oldValue }, vnode) {
/* istanbul ignore if */
if (!value === !oldValue)
return;
vnode = locateNode(vnode);
const transition = vnode.data && vnode.data.transition;
if (transition) {
vnode.data.show = true;
if (value) {
enter(vnode, () => {
el.style.display = el.__vOriginalDisplay;
});
}
else {
leave(vnode, () => {
el.style.display = 'none';
});
}
}
else {
el.style.display = value ? el.__vOriginalDisplay : 'none';
}
},
unbind(el, binding, vnode, oldVnode, isDestroy) {
if (!isDestroy) {
el.style.display = el.__vOriginalDisplay;
}
}
};
var platformDirectives = {
model: directive,
show
};
// Provides transition support for a single element/component.
const transitionProps = {
name: String,
appear: Boolean,
css: Boolean,
mode: String,
type: String,
enterClass: String,
leaveClass: String,
enterToClass: String,
leaveToClass: String,
enterActiveClass: String,
leaveActiveClass: String,
appearClass: String,
appearActiveClass: String,
appearToClass: String,
duration: [Number, String, Object]
};
// in case the child is also an abstract component, e.g. <keep-alive>
// we want to recursively retrieve the real component to be rendered
function getRealChild(vnode) {
const compOptions = vnode && vnode.componentOptions;
if (compOptions && compOptions.Ctor.options.abstract) {
return getRealChild(getFirstComponentChild(compOptions.children));
}
else {
return vnode;
}
}
function extractTransitionData(comp) {
const data = {};
const options = comp.$options;
// props
for (const key in options.propsData) {
data[key] = comp[key];
}
// events.
// extract listeners and pass them directly to the transition methods
const listeners = options._parentListeners;
for (const key in listeners) {
data[camelize(key)] = listeners[key];
}
return data;
}
function placeholder(h, rawChild) {
// @ts-expect-error
if (/\d-keep-alive$/.test(rawChild.tag)) {
return h('keep-alive', {
props: rawChild.componentOptions.propsData
});
}
}
function hasParentTransition(vnode) {
while ((vnode = vnode.parent)) {
if (vnode.data.transition) {
return true;
}
}
}
function isSameChild(child, oldChild) {
return oldChild.key === child.key && oldChild.tag === child.tag;
}
const isNotTextNode = (c) => c.tag || isAsyncPlaceholder(c);
const isVShowDirective = d => d.name === 'show';
var Transition = {
name: 'transition',
props: transitionProps,
abstract: true,
render(h) {
let children = this.$slots.default;
if (!children) {
return;
}
// filter out text nodes (possible whitespaces)
children = children.filter(isNotTextNode);
/* istanbul ignore if */
if (!children.length) {
return;
}
// warn multiple elements
if (children.length > 1) {
warn('<transition> can only be used on a single element. Use ' +
'<transition-group> for lists.', this.$parent);
}
const mode = this.mode;
// warn invalid mode
if (mode && mode !== 'in-out' && mode !== 'out-in') {
warn('invalid <transition> mode: ' + mode, this.$parent);
}
const rawChild = children[0];
// if this is a component root node and the component's
// parent container node also has transition, skip.
if (hasParentTransition(this.$vnode)) {
return rawChild;
}
// apply transition data to child
// use getRealChild() to ignore abstract components e.g. keep-alive
const child = getRealChild(rawChild);
/* istanbul ignore if */
if (!child) {
return rawChild;
}
if (this._leaving) {
return placeholder(h, rawChild);
}
// ensure a key that is unique to the vnode type and to this transition
// component instance. This key will be used to remove pending leaving nodes
// during entering.
const id = `__transition-${this._uid}-`;
child.key =
child.key == null
? child.isComment
? id + 'comment'
: id + child.tag
: isPrimitive(child.key)
? String(child.key).indexOf(id) === 0
? child.key
: id + child.key
: child.key;
const data = ((child.data || (child.data = {})).transition =
extractTransitionData(this));
const oldRawChild = this._vnode;
const oldChild = getRealChild(oldRawChild);
// mark v-show
// so that the transition module can hand over the control to the directive
if (child.data.directives && child.data.directives.some(isVShowDirective)) {
child.data.show = true;
}
if (oldChild &&
oldChild.data &&
!isSameChild(child, oldChild) &&
!isAsyncPlaceholder(oldChild) &&
// #6687 component root is a comment node
!(oldChild.componentInstance &&
oldChild.componentInstance._vnode.isComment)) {
// replace old child transition data with fresh one
// important for dynamic transitions!
const oldData = (oldChild.data.transition = extend({}, data));
// handle transition mode
if (mode === 'out-in') {
// return placeholder node and queue update when leave finishes
this._leaving = true;
mergeVNodeHook(oldData, 'afterLeave', () => {
this._leaving = false;
this.$forceUpdate();
});
return placeholder(h, rawChild);
}
else if (mode === 'in-out') {
if (isAsyncPlaceholder(child)) {
return oldRawChild;
}
let delayedLeave;
const performLeave = () => {
delayedLeave();
};
mergeVNodeHook(data, 'afterEnter', performLeave);
mergeVNodeHook(data, 'enterCancelled', performLeave);
mergeVNodeHook(oldData, 'delayLeave', leave => {
delayedLeave = leave;
});
}
}
return rawChild;
}
};
// Provides transition support for list items.
const props = extend({
tag: String,
moveClass: String
}, transitionProps);
delete props.mode;
var TransitionGroup = {
props,
beforeMount() {
const update = this._update;
this._update = (vnode, hydrating) => {
const restoreActiveInstance = setActiveInstance(this);
// force removing pass
this.__patch__(this._vnode, this.kept, false, // hydrating
true // removeOnly (!important, avoids unnecessary moves)
);
this._vnode = this.kept;
restoreActiveInstance();
update.call(this, vnode, hydrating);
};
},
render(h) {
const tag = this.tag || this.$vnode.data.tag || 'span';
const map = Object.create(null);
const prevChildren = (this.prevChildren = this.children);
const rawChildren = this.$slots.default || [];
const children = (this.children = []);
const transitionData = extractTransitionData(this);
for (let i = 0; i < rawChildren.length; i++) {
const c = rawChildren[i];
if (c.tag) {
if (c.key != null && String(c.key).indexOf('__vlist') !== 0) {
children.push(c);
map[c.key] = c;
(c.data || (c.data = {})).transition = transitionData;
}
else {
const opts = c.componentOptions;
const name = opts
? getComponentName(opts.Ctor.options) || opts.tag || ''
: c.tag;
warn(`<transition-group> children must be keyed: <${name}>`);
}
}
}
if (prevChildren) {
const kept = [];
const removed = [];
for (let i = 0; i < prevChildren.length; i++) {
const c = prevChildren[i];
c.data.transition = transitionData;
// @ts-expect-error .getBoundingClientRect is not typed in Node
c.data.pos = c.elm.getBoundingClientRect();
if (map[c.key]) {
kept.push(c);
}
else {
removed.push(c);
}
}
this.kept = h(tag, null, kept);
this.removed = removed;
}
return h(tag, null, children);
},
updated() {
const children = this.prevChildren;
const moveClass = this.moveClass || (this.name || 'v') + '-move';
if (!children.length || !this.hasMove(children[0].elm, moveClass)) {
return;
}
// we divide the work into three loops to avoid mixing DOM reads and writes
// in each iteration - which helps prevent layout thrashing.
children.forEach(callPendingCbs);
children.forEach(recordPosition);
children.forEach(applyTranslation);
// force reflow to put everything in position
// assign to this to avoid being removed in tree-shaking
// $flow-disable-line
this._reflow = document.body.offsetHeight;
children.forEach((c) => {
if (c.data.moved) {
const el = c.elm;
const s = el.style;
addTransitionClass(el, moveClass);
s.transform = s.WebkitTransform = s.transitionDuration = '';
el.addEventListener(transitionEndEvent, (el._moveCb = function cb(e) {
if (e && e.target !== el) {
return;
}
if (!e || /transform$/.test(e.propertyName)) {
el.removeEventListener(transitionEndEvent, cb);
el._moveCb = null;
removeTransitionClass(el, moveClass);
}
}));
}
});
},
methods: {
hasMove(el, moveClass) {
/* istanbul ignore if */
if (!hasTransition) {
return false;
}
/* istanbul ignore if */
if (this._hasMove) {
return this._hasMove;
}
// Detect whether an element with the move class applied has
// CSS transitions. Since the element may be inside an entering
// transition at this very moment, we make a clone of it and remove
// all other transition classes applied to ensure only the move class
// is applied.
const clone = el.cloneNode();
if (el._transitionClasses) {
el._transitionClasses.forEach((cls) => {
removeClass(clone, cls);
});
}
addClass(clone, moveClass);
clone.style.display = 'none';
this.$el.appendChild(clone);
const info = getTransitionInfo(clone);
this.$el.removeChild(clone);
return (this._hasMove = info.hasTransform);
}
}
};
function callPendingCbs(c) {
/* istanbul ignore if */
if (c.elm._moveCb) {
c.elm._moveCb();
}
/* istanbul ignore if */
if (c.elm._enterCb) {
c.elm._enterCb();
}
}
function recordPosition(c) {
c.data.newPos = c.elm.getBoundingClientRect();
}
function applyTranslation(c) {
const oldPos = c.data.pos;
const newPos = c.data.newPos;
const dx = oldPos.left - newPos.left;
const dy = oldPos.top - newPos.top;
if (dx || dy) {
c.data.moved = true;
const s = c.elm.style;
s.transform = s.WebkitTransform = `translate(${dx}px,${dy}px)`;
s.transitionDuration = '0s';
}
}
var platformComponents = {
Transition,
TransitionGroup
};
// install platform specific utils
Vue.config.mustUseProp = mustUseProp;
Vue.config.isReservedTag = isReservedTag;
Vue.config.isReservedAttr = isReservedAttr;
Vue.config.getTagNamespace = getTagNamespace;
Vue.config.isUnknownElement = isUnknownElement;
// install platform runtime directives & components
extend(Vue.options.directives, platformDirectives);
extend(Vue.options.components, platformComponents);
// install platform patch function
Vue.prototype.__patch__ = inBrowser ? patch : noop;
// public mount method
Vue.prototype.$mount = function (el, hydrating) {
el = el && inBrowser ? query(el) : undefined;
return mountComponent(this, el, hydrating);
};
// devtools global hook
/* istanbul ignore next */
if (inBrowser) {
setTimeout(() => {
if (config.devtools) {
if (devtools) {
devtools.emit('init', Vue);
}
else {
// @ts-expect-error
console[console.info ? 'info' : 'log']('Download the Vue Devtools extension for a better development experience:\n' +
'https://github.com/vuejs/vue-devtools');
}
}
if (config.productionTip !== false &&
typeof console !== 'undefined') {
// @ts-expect-error
console[console.info ? 'info' : 'log'](`You are running Vue in development mode.\n` +
`Make sure to turn on production mode when deploying for production.\n` +
`See more tips at https://vuejs.org/guide/deployment.html`);
}
}, 0);
}
extend(Vue, vca);
module.exports = Vue;