- el[key] = '';
- el.removeAttribute(key);
- }
- else {
- // some properties perform value validation and throw
- try {
- el[key] = value;
- }
- catch (e) {
- {
- warn(`Failed setting prop "${key}" on <${el.tagName.toLowerCase()}>: ` +
- `value ${value} is invalid.`, e);
- }
- }
- }
- }
-
- // 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.
- if (typeof document !== 'undefined' &&
- _getNow() > document.createEvent('Event').timeStamp) {
- // if the low-res timestamp which is bigger than the event timestamp
- // (which is evaluated AFTER) it means the event is using a hi-res timestamp,
- // and we need to use the hi-res version for event listeners as well.
- _getNow = () => performance.now();
- }
- // To avoid the overhead of repeatedly calling performance.now(), we cache
- // and use the same timestamp for all event listeners attached in the same tick.
- let cachedNow = 0;
- const p = Promise.resolve();
- const reset = () => {
- cachedNow = 0;
- };
- const getNow = () => cachedNow || (p.then(reset), (cachedNow = _getNow()));
- function addEventListener(el, event, handler, options) {
- el.addEventListener(event, handler, options);
- }
- function removeEventListener(el, event, handler, options) {
- el.removeEventListener(event, handler, options);
- }
- function patchEvent(el, rawName, prevValue, nextValue, instance = null) {
- // vei = vue event invokers
- const invokers = el._vei || (el._vei = {});
- const existingInvoker = invokers[rawName];
- if (nextValue && existingInvoker) {
- // patch
- existingInvoker.value = nextValue;
- }
- else {
- const [name, options] = parseName(rawName);
- if (nextValue) {
- // add
- const invoker = (invokers[rawName] = createInvoker(nextValue, instance));
- addEventListener(el, name, invoker, options);
- }
- else if (existingInvoker) {
- // remove
- removeEventListener(el, name, existingInvoker, options);
- invokers[rawName] = undefined;
- }
- }
- }
- const optionsModifierRE = /(?:Once|Passive|Capture)$/;
- function parseName(name) {
- let options;
- if (optionsModifierRE.test(name)) {
- options = {};
- let m;
- while ((m = name.match(optionsModifierRE))) {
- name = name.slice(0, name.length - m[0].length);
- options[m[0].toLowerCase()] = true;
- }
- }
- return [name.slice(2).toLowerCase(), options];
- }
- function createInvoker(initialValue, instance) {
- const invoker = (e) => {
- // 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.
- const timeStamp = e.timeStamp || _getNow();
- if (timeStamp >= invoker.attached - 1) {
- callWithAsyncErrorHandling(patchStopImmediatePropagation(e, invoker.value), instance, 5 /* NATIVE_EVENT_HANDLER */, [e]);
- }
- };
- invoker.value = initialValue;
- invoker.attached = getNow();
- return invoker;
- }
- function patchStopImmediatePropagation(e, value) {
- if (isArray(value)) {
- const originalStop = e.stopImmediatePropagation;
- e.stopImmediatePropagation = () => {
- originalStop.call(e);
- e._stopped = true;
- };
- return value.map(fn => (e) => !e._stopped && fn(e));
- }
- else {
- return value;
- }
- }
-
- const nativeOnRE = /^on[a-z]/;
- const forcePatchProp = (_, key) => key === 'value';
- const patchProp = (el, key, prevValue, nextValue, isSVG = false, prevChildren, parentComponent, parentSuspense, unmountChildren) => {
- switch (key) {
- // special
- case 'class':
- patchClass(el, nextValue, isSVG);
- break;
- case 'style':
- patchStyle(el, prevValue, nextValue);
- break;
- default:
- if (isOn(key)) {
- // ignore v-model listeners
- if (!isModelListener(key)) {
- patchEvent(el, key, prevValue, nextValue, parentComponent);
- }
- }
- else if (shouldSetAsProp(el, key, nextValue, isSVG)) {
- patchDOMProp(el, key, nextValue, prevChildren, parentComponent, parentSuspense, unmountChildren);
- }
- else {
- // special case for
with
- // :true-value & :false-value
- // store value as dom properties since non-string values will be
- // stringified.
- if (key === 'true-value') {
- el._trueValue = nextValue;
- }
- else if (key === 'false-value') {
- el._falseValue = nextValue;
- }
- patchAttr(el, key, nextValue, isSVG);
- }
- break;
- }
- };
- function shouldSetAsProp(el, key, value, isSVG) {
- if (isSVG) {
- // most keys must be set as attribute on svg elements to work
- // ...except innerHTML
- if (key === 'innerHTML') {
- return true;
- }
- // or native onclick with function values
- if (key in el && nativeOnRE.test(key) && isFunction(value)) {
- return true;
- }
- return false;
- }
- // spellcheck and draggable are numerated attrs, however their
- // corresponding DOM properties are actually booleans - this leads to
- // setting it with a string "false" value leading it to be coerced to
- // `true`, so we need to always treat them as attributes.
- // Note that `contentEditable` doesn't have this problem: its DOM
- // property is also enumerated string values.
- if (key === 'spellcheck' || key === 'draggable') {
- return false;
- }
- // #1787 form as an attribute must be a string, while it accepts an Element as
- // a prop
- if (key === 'form' && typeof value === 'string') {
- return false;
- }
- // #1526
must be set as attribute
- if (key === 'list' && el.tagName === 'INPUT') {
- return false;
- }
- // native onclick with string value, must be set as attribute
- if (nativeOnRE.test(key) && isString(value)) {
- return false;
- }
- return key in el;
- }
-
- function useCssModule(name = '$style') {
- /* istanbul ignore else */
- {
- {
- warn(`useCssModule() is not supported in the global build.`);
- }
- return EMPTY_OBJ;
- }
- }
-
- function useCssVars(getter, scoped = false) {
- const instance = getCurrentInstance();
- /* istanbul ignore next */
- if (!instance) {
-
- warn(`useCssVars is called without current active component instance.`);
- return;
- }
- const prefix = scoped && instance.type.__scopeId
- ? `${instance.type.__scopeId.replace(/^data-v-/, '')}-`
- : ``;
- const setVars = () => setVarsOnVNode(instance.subTree, getter(instance.proxy), prefix);
- onMounted(() => watchEffect(setVars));
- onUpdated(setVars);
- }
- function setVarsOnVNode(vnode, vars, prefix) {
- if ( vnode.shapeFlag & 128 /* SUSPENSE */) {
- const suspense = vnode.suspense;
- vnode = suspense.activeBranch;
- if (suspense.pendingBranch && !suspense.isHydrating) {
- suspense.effects.push(() => {
- setVarsOnVNode(suspense.activeBranch, vars, prefix);
- });
- }
- }
- // drill down HOCs until it's a non-component vnode
- while (vnode.component) {
- vnode = vnode.component.subTree;
- }
- if (vnode.shapeFlag & 1 /* ELEMENT */ && vnode.el) {
- const style = vnode.el.style;
- for (const key in vars) {
- style.setProperty(`--${prefix}${key}`, unref(vars[key]));
- }
- }
- else if (vnode.type === Fragment) {
- vnode.children.forEach(c => setVarsOnVNode(c, vars, prefix));
- }
- }
-
- const TRANSITION = 'transition';
- const ANIMATION = 'animation';
- // DOM Transition is a higher-order-component based on the platform-agnostic
- // base Transition component, with DOM-specific logic.
- const Transition = (props, { slots }) => h(BaseTransition, resolveTransitionProps(props), slots);
- Transition.displayName = 'Transition';
- const DOMTransitionPropsValidators = {
- name: String,
- type: String,
- css: {
- type: Boolean,
- default: true
- },
- duration: [String, Number, Object],
- enterFromClass: String,
- enterActiveClass: String,
- enterToClass: String,
- appearFromClass: String,
- appearActiveClass: String,
- appearToClass: String,
- leaveFromClass: String,
- leaveActiveClass: String,
- leaveToClass: String
- };
- const TransitionPropsValidators = (Transition.props = /*#__PURE__*/ extend({}, BaseTransition.props, DOMTransitionPropsValidators));
- function resolveTransitionProps(rawProps) {
- let { name = 'v', type, css = true, duration, enterFromClass = `${name}-enter-from`, enterActiveClass = `${name}-enter-active`, enterToClass = `${name}-enter-to`, appearFromClass = enterFromClass, appearActiveClass = enterActiveClass, appearToClass = enterToClass, leaveFromClass = `${name}-leave-from`, leaveActiveClass = `${name}-leave-active`, leaveToClass = `${name}-leave-to` } = rawProps;
- const baseProps = {};
- for (const key in rawProps) {
- if (!(key in DOMTransitionPropsValidators)) {
- baseProps[key] = rawProps[key];
- }
- }
- if (!css) {
- return baseProps;
- }
- const durations = normalizeDuration(duration);
- const enterDuration = durations && durations[0];
- const leaveDuration = durations && durations[1];
- const { onBeforeEnter, onEnter, onEnterCancelled, onLeave, onLeaveCancelled, onBeforeAppear = onBeforeEnter, onAppear = onEnter, onAppearCancelled = onEnterCancelled } = baseProps;
- const finishEnter = (el, isAppear, done) => {
- removeTransitionClass(el, isAppear ? appearToClass : enterToClass);
- removeTransitionClass(el, isAppear ? appearActiveClass : enterActiveClass);
- done && done();
- };
- const finishLeave = (el, done) => {
- removeTransitionClass(el, leaveToClass);
- removeTransitionClass(el, leaveActiveClass);
- done && done();
- };
- const makeEnterHook = (isAppear) => {
- return (el, done) => {
- const hook = isAppear ? onAppear : onEnter;
- const resolve = () => finishEnter(el, isAppear, done);
- hook && hook(el, resolve);
- nextFrame(() => {
- removeTransitionClass(el, isAppear ? appearFromClass : enterFromClass);
- addTransitionClass(el, isAppear ? appearToClass : enterToClass);
- if (!(hook && hook.length > 1)) {
- if (enterDuration) {
- setTimeout(resolve, enterDuration);
- }
- else {
- whenTransitionEnds(el, type, resolve);
- }
- }
- });
- };
- };
- return extend(baseProps, {
- onBeforeEnter(el) {
- onBeforeEnter && onBeforeEnter(el);
- addTransitionClass(el, enterActiveClass);
- addTransitionClass(el, enterFromClass);
- },
- onBeforeAppear(el) {
- onBeforeAppear && onBeforeAppear(el);
- addTransitionClass(el, appearActiveClass);
- addTransitionClass(el, appearFromClass);
- },
- onEnter: makeEnterHook(false),
- onAppear: makeEnterHook(true),
- onLeave(el, done) {
- const resolve = () => finishLeave(el, done);
- addTransitionClass(el, leaveActiveClass);
- addTransitionClass(el, leaveFromClass);
- nextFrame(() => {
- removeTransitionClass(el, leaveFromClass);
- addTransitionClass(el, leaveToClass);
- if (!(onLeave && onLeave.length > 1)) {
- if (leaveDuration) {
- setTimeout(resolve, leaveDuration);
- }
- else {
- whenTransitionEnds(el, type, resolve);
- }
- }
- });
- onLeave && onLeave(el, resolve);
- },
- onEnterCancelled(el) {
- finishEnter(el, false);
- onEnterCancelled && onEnterCancelled(el);
- },
- onAppearCancelled(el) {
- finishEnter(el, true);
- onAppearCancelled && onAppearCancelled(el);
- },
- onLeaveCancelled(el) {
- finishLeave(el);
- onLeaveCancelled && onLeaveCancelled(el);
- }
- });
- }
- function normalizeDuration(duration) {
- if (duration == null) {
- return null;
- }
- else if (isObject(duration)) {
- return [NumberOf(duration.enter), NumberOf(duration.leave)];
- }
- else {
- const n = NumberOf(duration);
- return [n, n];
- }
- }
- function NumberOf(val) {
- const res = toNumber(val);
- validateDuration(res);
- return res;
- }
- function validateDuration(val) {
- if (typeof val !== 'number') {
- warn(`
explicit duration is not a valid number - ` +
- `got ${JSON.stringify(val)}.`);
- }
- else if (isNaN(val)) {
- warn(` explicit duration is NaN - ` +
- 'the duration expression might be incorrect.');
- }
- }
- function addTransitionClass(el, cls) {
- cls.split(/\s+/).forEach(c => c && el.classList.add(c));
- (el._vtc ||
- (el._vtc = new Set())).add(cls);
- }
- function removeTransitionClass(el, cls) {
- cls.split(/\s+/).forEach(c => c && el.classList.remove(c));
- const { _vtc } = el;
- if (_vtc) {
- _vtc.delete(cls);
- if (!_vtc.size) {
- el._vtc = undefined;
- }
- }
- }
- function nextFrame(cb) {
- requestAnimationFrame(() => {
- requestAnimationFrame(cb);
- });
- }
- function whenTransitionEnds(el, expectedType, cb) {
- const { type, timeout, propCount } = getTransitionInfo(el, expectedType);
- if (!type) {
- return cb();
- }
- const endEvent = type + 'end';
- let ended = 0;
- const end = () => {
- el.removeEventListener(endEvent, onEnd);
- cb();
- };
- const onEnd = (e) => {
- if (e.target === el) {
- if (++ended >= propCount) {
- end();
- }
- }
- };
- setTimeout(() => {
- if (ended < propCount) {
- end();
- }
- }, timeout + 1);
- el.addEventListener(endEvent, onEnd);
- }
- function getTransitionInfo(el, expectedType) {
- const styles = window.getComputedStyle(el);
- // JSDOM may return undefined for transition properties
- const getStyleProperties = (key) => (styles[key] || '').split(', ');
- const transitionDelays = getStyleProperties(TRANSITION + 'Delay');
- const transitionDurations = getStyleProperties(TRANSITION + 'Duration');
- const transitionTimeout = getTimeout(transitionDelays, transitionDurations);
- const animationDelays = getStyleProperties(ANIMATION + 'Delay');
- const animationDurations = getStyleProperties(ANIMATION + 'Duration');
- const animationTimeout = getTimeout(animationDelays, animationDurations);
- let type = null;
- 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 &&
- /\b(transform|all)(,|$)/.test(styles[TRANSITION + 'Property']);
- return {
- type,
- timeout,
- propCount,
- hasTransform
- };
- }
- function getTimeout(delays, durations) {
- while (delays.length < durations.length) {
- delays = delays.concat(delays);
- }
- return Math.max(...durations.map((d, i) => 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;
- }
-
- const positionMap = new WeakMap();
- const newPositionMap = new WeakMap();
- const TransitionGroupImpl = {
- name: 'TransitionGroup',
- props: /*#__PURE__*/ extend({}, TransitionPropsValidators, {
- tag: String,
- moveClass: String
- }),
- setup(props, { slots }) {
- const instance = getCurrentInstance();
- const state = useTransitionState();
- let prevChildren;
- let children;
- onUpdated(() => {
- // children is guaranteed to exist after initial render
- if (!prevChildren.length) {
- return;
- }
- const moveClass = props.moveClass || `${props.name || 'v'}-move`;
- if (!hasCSSTransform(prevChildren[0].el, instance.vnode.el, moveClass)) {
- return;
- }
- // we divide the work into three loops to avoid mixing DOM reads and writes
- // in each iteration - which helps prevent layout thrashing.
- prevChildren.forEach(callPendingCbs);
- prevChildren.forEach(recordPosition);
- const movedChildren = prevChildren.filter(applyTranslation);
- // force reflow to put everything in position
- forceReflow();
- movedChildren.forEach(c => {
- const el = c.el;
- const style = el.style;
- addTransitionClass(el, moveClass);
- style.transform = style.webkitTransform = style.transitionDuration = '';
- const cb = (el._moveCb = (e) => {
- if (e && e.target !== el) {
- return;
- }
- if (!e || /transform$/.test(e.propertyName)) {
- el.removeEventListener('transitionend', cb);
- el._moveCb = null;
- removeTransitionClass(el, moveClass);
- }
- });
- el.addEventListener('transitionend', cb);
- });
- });
- return () => {
- const rawProps = toRaw(props);
- const cssTransitionProps = resolveTransitionProps(rawProps);
- const tag = rawProps.tag || Fragment;
- prevChildren = children;
- children = slots.default ? getTransitionRawChildren(slots.default()) : [];
- for (let i = 0; i < children.length; i++) {
- const child = children[i];
- if (child.key != null) {
- setTransitionHooks(child, resolveTransitionHooks(child, cssTransitionProps, state, instance));
- }
- else {
- warn(` children must be keyed.`);
- }
- }
- if (prevChildren) {
- for (let i = 0; i < prevChildren.length; i++) {
- const child = prevChildren[i];
- setTransitionHooks(child, resolveTransitionHooks(child, cssTransitionProps, state, instance));
- positionMap.set(child, child.el.getBoundingClientRect());
- }
- }
- return createVNode(tag, null, children);
- };
- }
- };
- const TransitionGroup = TransitionGroupImpl;
- function callPendingCbs(c) {
- const el = c.el;
- if (el._moveCb) {
- el._moveCb();
- }
- if (el._enterCb) {
- el._enterCb();
- }
- }
- function recordPosition(c) {
- newPositionMap.set(c, c.el.getBoundingClientRect());
- }
- function applyTranslation(c) {
- const oldPos = positionMap.get(c);
- const newPos = newPositionMap.get(c);
- const dx = oldPos.left - newPos.left;
- const dy = oldPos.top - newPos.top;
- if (dx || dy) {
- const s = c.el.style;
- s.transform = s.webkitTransform = `translate(${dx}px,${dy}px)`;
- s.transitionDuration = '0s';
- return c;
- }
- }
- // this is put in a dedicated function to avoid the line from being treeshaken
- function forceReflow() {
- return document.body.offsetHeight;
- }
- function hasCSSTransform(el, root, moveClass) {
- // 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._vtc) {
- el._vtc.forEach(cls => {
- cls.split(/\s+/).forEach(c => c && clone.classList.remove(c));
- });
- }
- moveClass.split(/\s+/).forEach(c => c && clone.classList.add(c));
- clone.style.display = 'none';
- const container = (root.nodeType === 1
- ? root
- : root.parentNode);
- container.appendChild(clone);
- const { hasTransform } = getTransitionInfo(clone);
- container.removeChild(clone);
- return hasTransform;
- }
-
- const getModelAssigner = (vnode) => {
- const fn = vnode.props['onUpdate:modelValue'];
- return isArray(fn) ? value => invokeArrayFns(fn, value) : fn;
- };
- function onCompositionStart(e) {
- e.target.composing = true;
- }
- function onCompositionEnd(e) {
- const target = e.target;
- if (target.composing) {
- target.composing = false;
- trigger$1(target, 'input');
- }
- }
- function trigger$1(el, type) {
- const e = document.createEvent('HTMLEvents');
- e.initEvent(type, true, true);
- el.dispatchEvent(e);
- }
- // We are exporting the v-model runtime directly as vnode hooks so that it can
- // be tree-shaken in case v-model is never used.
- const vModelText = {
- created(el, { modifiers: { lazy, trim, number } }, vnode) {
- el._assign = getModelAssigner(vnode);
- const castToNumber = number || el.type === 'number';
- addEventListener(el, lazy ? 'change' : 'input', e => {
- if (e.target.composing)
- return;
- let domValue = el.value;
- if (trim) {
- domValue = domValue.trim();
- }
- else if (castToNumber) {
- domValue = toNumber(domValue);
- }
- el._assign(domValue);
- });
- if (trim) {
- addEventListener(el, 'change', () => {
- el.value = el.value.trim();
- });
- }
- if (!lazy) {
- addEventListener(el, 'compositionstart', onCompositionStart);
- addEventListener(el, '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.
- addEventListener(el, 'change', onCompositionEnd);
- }
- },
- // set value on mounted so it's after min/max for type="range"
- mounted(el, { value }) {
- el.value = value == null ? '' : value;
- },
- beforeUpdate(el, { value, modifiers: { trim, number } }, vnode) {
- el._assign = getModelAssigner(vnode);
- // avoid clearing unresolved text. #2302
- if (el.composing)
- return;
- if (document.activeElement === el) {
- if (trim && el.value.trim() === value) {
- return;
- }
- if ((number || el.type === 'number') && toNumber(el.value) === value) {
- return;
- }
- }
- const newValue = value == null ? '' : value;
- if (el.value !== newValue) {
- el.value = newValue;
- }
- }
- };
- const vModelCheckbox = {
- created(el, binding, vnode) {
- setChecked(el, binding, vnode);
- el._assign = getModelAssigner(vnode);
- addEventListener(el, 'change', () => {
- const modelValue = el._modelValue;
- const elementValue = getValue(el);
- const checked = el.checked;
- const assign = el._assign;
- if (isArray(modelValue)) {
- const index = looseIndexOf(modelValue, elementValue);
- const found = index !== -1;
- if (checked && !found) {
- assign(modelValue.concat(elementValue));
- }
- else if (!checked && found) {
- const filtered = [...modelValue];
- filtered.splice(index, 1);
- assign(filtered);
- }
- }
- else if (isSet(modelValue)) {
- if (checked) {
- modelValue.add(elementValue);
- }
- else {
- modelValue.delete(elementValue);
- }
- }
- else {
- assign(getCheckboxValue(el, checked));
- }
- });
- },
- beforeUpdate(el, binding, vnode) {
- el._assign = getModelAssigner(vnode);
- setChecked(el, binding, vnode);
- }
- };
- function setChecked(el, { value, oldValue }, vnode) {
- el._modelValue = value;
- if (isArray(value)) {
- el.checked = looseIndexOf(value, vnode.props.value) > -1;
- }
- else if (isSet(value)) {
- el.checked = value.has(vnode.props.value);
- }
- else if (value !== oldValue) {
- el.checked = looseEqual(value, getCheckboxValue(el, true));
- }
- }
- const vModelRadio = {
- created(el, { value }, vnode) {
- el.checked = looseEqual(value, vnode.props.value);
- el._assign = getModelAssigner(vnode);
- addEventListener(el, 'change', () => {
- el._assign(getValue(el));
- });
- },
- beforeUpdate(el, { value, oldValue }, vnode) {
- el._assign = getModelAssigner(vnode);
- if (value !== oldValue) {
- el.checked = looseEqual(value, vnode.props.value);
- }
- }
- };
- const vModelSelect = {
- created(el, { modifiers: { number } }, vnode) {
- addEventListener(el, 'change', () => {
- const selectedVal = Array.prototype.filter
- .call(el.options, (o) => o.selected)
- .map((o) => number ? toNumber(getValue(o)) : getValue(o));
- el._assign(el.multiple ? selectedVal : selectedVal[0]);
- });
- el._assign = getModelAssigner(vnode);
- },
- // set value in mounted & updated because relies on its children
- // s.
- mounted(el, { value }) {
- setSelected(el, value);
- },
- beforeUpdate(el, _binding, vnode) {
- el._assign = getModelAssigner(vnode);
- },
- updated(el, { value }) {
- setSelected(el, value);
- }
- };
- function setSelected(el, value) {
- const isMultiple = el.multiple;
- if (isMultiple && !isArray(value) && !isSet(value)) {
-
- warn(` expects an Array or Set value for its binding, ` +
- `but got ${Object.prototype.toString.call(value).slice(8, -1)}.`);
- return;
- }
- for (let i = 0, l = el.options.length; i < l; i++) {
- const option = el.options[i];
- const optionValue = getValue(option);
- if (isMultiple) {
- if (isArray(value)) {
- option.selected = looseIndexOf(value, optionValue) > -1;
- }
- else {
- option.selected = value.has(optionValue);
- }
- }
- else {
- if (looseEqual(getValue(option), value)) {
- el.selectedIndex = i;
- return;
- }
- }
- }
- if (!isMultiple) {
- el.selectedIndex = -1;
- }
- }
- // retrieve raw value set via :value bindings
- function getValue(el) {
- return '_value' in el ? el._value : el.value;
- }
- // retrieve raw value for true-value and false-value set via :true-value or :false-value bindings
- function getCheckboxValue(el, checked) {
- const key = checked ? '_trueValue' : '_falseValue';
- return key in el ? el[key] : checked;
- }
- const vModelDynamic = {
- created(el, binding, vnode) {
- callModelHook(el, binding, vnode, null, 'created');
- },
- mounted(el, binding, vnode) {
- callModelHook(el, binding, vnode, null, 'mounted');
- },
- beforeUpdate(el, binding, vnode, prevVNode) {
- callModelHook(el, binding, vnode, prevVNode, 'beforeUpdate');
- },
- updated(el, binding, vnode, prevVNode) {
- callModelHook(el, binding, vnode, prevVNode, 'updated');
- }
- };
- function callModelHook(el, binding, vnode, prevVNode, hook) {
- let modelToUse;
- switch (el.tagName) {
- case 'SELECT':
- modelToUse = vModelSelect;
- break;
- case 'TEXTAREA':
- modelToUse = vModelText;
- break;
- default:
- switch (vnode.props && vnode.props.type) {
- case 'checkbox':
- modelToUse = vModelCheckbox;
- break;
- case 'radio':
- modelToUse = vModelRadio;
- break;
- default:
- modelToUse = vModelText;
- }
- }
- const fn = modelToUse[hook];
- fn && fn(el, binding, vnode, prevVNode);
- }
-
- const systemModifiers = ['ctrl', 'shift', 'alt', 'meta'];
- const modifierGuards = {
- stop: e => e.stopPropagation(),
- prevent: e => e.preventDefault(),
- self: e => e.target !== e.currentTarget,
- ctrl: e => !e.ctrlKey,
- shift: e => !e.shiftKey,
- alt: e => !e.altKey,
- meta: e => !e.metaKey,
- left: e => 'button' in e && e.button !== 0,
- middle: e => 'button' in e && e.button !== 1,
- right: e => 'button' in e && e.button !== 2,
- exact: (e, modifiers) => systemModifiers.some(m => e[`${m}Key`] && !modifiers.includes(m))
- };
- /**
- * @private
- */
- const withModifiers = (fn, modifiers) => {
- return (event, ...args) => {
- for (let i = 0; i < modifiers.length; i++) {
- const guard = modifierGuards[modifiers[i]];
- if (guard && guard(event, modifiers))
- return;
- }
- return fn(event, ...args);
- };
- };
- // Kept for 2.x compat.
- // Note: IE11 compat for `spacebar` and `del` is removed for now.
- const keyNames = {
- esc: 'escape',
- space: ' ',
- up: 'arrow-up',
- left: 'arrow-left',
- right: 'arrow-right',
- down: 'arrow-down',
- delete: 'backspace'
- };
- /**
- * @private
- */
- const withKeys = (fn, modifiers) => {
- return (event) => {
- if (!('key' in event))
- return;
- const eventKey = hyphenate(event.key);
- if (
- // None of the provided key modifiers match the current event key
- !modifiers.some(k => k === eventKey || keyNames[k] === eventKey)) {
- return;
- }
- return fn(event);
- };
- };
-
- const vShow = {
- beforeMount(el, { value }, { transition }) {
- el._vod = el.style.display === 'none' ? '' : el.style.display;
- if (transition && value) {
- transition.beforeEnter(el);
- }
- else {
- setDisplay(el, value);
- }
- },
- mounted(el, { value }, { transition }) {
- if (transition && value) {
- transition.enter(el);
- }
- },
- updated(el, { value, oldValue }, { transition }) {
- if (!value === !oldValue)
- return;
- if (transition) {
- if (value) {
- transition.beforeEnter(el);
- setDisplay(el, true);
- transition.enter(el);
- }
- else {
- transition.leave(el, () => {
- setDisplay(el, false);
- });
- }
- }
- else {
- setDisplay(el, value);
- }
- },
- beforeUnmount(el, { value }) {
- setDisplay(el, value);
- }
- };
- function setDisplay(el, value) {
- el.style.display = value ? el._vod : 'none';
- }
-
- const rendererOptions = extend({ patchProp, forcePatchProp }, nodeOps);
- // lazy create the renderer - this makes core renderer logic tree-shakable
- // in case the user only imports reactivity utilities from Vue.
- let renderer;
- let enabledHydration = false;
- function ensureRenderer() {
- return renderer || (renderer = createRenderer(rendererOptions));
- }
- function ensureHydrationRenderer() {
- renderer = enabledHydration
- ? renderer
- : createHydrationRenderer(rendererOptions);
- enabledHydration = true;
- return renderer;
- }
- // use explicit type casts here to avoid import() calls in rolled-up d.ts
- const render = ((...args) => {
- ensureRenderer().render(...args);
- });
- const hydrate = ((...args) => {
- ensureHydrationRenderer().hydrate(...args);
- });
- const createApp = ((...args) => {
- const app = ensureRenderer().createApp(...args);
- {
- injectNativeTagCheck(app);
- }
- const { mount } = app;
- app.mount = (containerOrSelector) => {
- const container = normalizeContainer(containerOrSelector);
- if (!container)
- return;
- const component = app._component;
- if (!isFunction(component) && !component.render && !component.template) {
- component.template = container.innerHTML;
- }
- // clear content before mounting
- container.innerHTML = '';
- const proxy = mount(container);
- container.removeAttribute('v-cloak');
- container.setAttribute('data-v-app', '');
- return proxy;
- };
- return app;
- });
- const createSSRApp = ((...args) => {
- const app = ensureHydrationRenderer().createApp(...args);
- {
- injectNativeTagCheck(app);
- }
- const { mount } = app;
- app.mount = (containerOrSelector) => {
- const container = normalizeContainer(containerOrSelector);
- if (container) {
- return mount(container, true);
- }
- };
- return app;
- });
- function injectNativeTagCheck(app) {
- // Inject `isNativeTag`
- // this is used for component name validation (dev only)
- Object.defineProperty(app.config, 'isNativeTag', {
- value: (tag) => isHTMLTag(tag) || isSVGTag(tag),
- writable: false
- });
- }
- function normalizeContainer(container) {
- if (isString(container)) {
- const res = document.querySelector(container);
- if ( !res) {
- warn(`Failed to mount app: mount target selector returned null.`);
- }
- return res;
- }
- return container;
- }
-
- function initDev() {
- const target = getGlobalThis();
- target.__VUE__ = true;
- setDevtoolsHook(target.__VUE_DEVTOOLS_GLOBAL_HOOK__);
- {
- console.info(`You are running a development build of Vue.\n` +
- `Make sure to use the production build (*.prod.js) when deploying for production.`);
- initCustomFormatter();
- }
- }
-
- function defaultOnError(error) {
- throw error;
- }
- function createCompilerError(code, loc, messages, additionalMessage) {
- const msg = (messages || errorMessages)[code] + (additionalMessage || ``)
- ;
- const error = new SyntaxError(String(msg));
- error.code = code;
- error.loc = loc;
- return error;
- }
- const errorMessages = {
- // parse errors
- [0 /* ABRUPT_CLOSING_OF_EMPTY_COMMENT */]: 'Illegal comment.',
- [1 /* CDATA_IN_HTML_CONTENT */]: 'CDATA section is allowed only in XML context.',
- [2 /* DUPLICATE_ATTRIBUTE */]: 'Duplicate attribute.',
- [3 /* END_TAG_WITH_ATTRIBUTES */]: 'End tag cannot have attributes.',
- [4 /* END_TAG_WITH_TRAILING_SOLIDUS */]: "Illegal '/' in tags.",
- [5 /* EOF_BEFORE_TAG_NAME */]: 'Unexpected EOF in tag.',
- [6 /* EOF_IN_CDATA */]: 'Unexpected EOF in CDATA section.',
- [7 /* EOF_IN_COMMENT */]: 'Unexpected EOF in comment.',
- [8 /* EOF_IN_SCRIPT_HTML_COMMENT_LIKE_TEXT */]: 'Unexpected EOF in script.',
- [9 /* EOF_IN_TAG */]: 'Unexpected EOF in tag.',
- [10 /* INCORRECTLY_CLOSED_COMMENT */]: 'Incorrectly closed comment.',
- [11 /* INCORRECTLY_OPENED_COMMENT */]: 'Incorrectly opened comment.',
- [12 /* INVALID_FIRST_CHARACTER_OF_TAG_NAME */]: "Illegal tag name. Use '<' to print '<'.",
- [13 /* MISSING_ATTRIBUTE_VALUE */]: 'Attribute value was expected.',
- [14 /* MISSING_END_TAG_NAME */]: 'End tag name was expected.',
- [15 /* MISSING_WHITESPACE_BETWEEN_ATTRIBUTES */]: 'Whitespace was expected.',
- [16 /* NESTED_COMMENT */]: "Unexpected ' ' : repeat(' ', 5 + i * 2)) +
+ (Array.isArray(vm)
+ ? formatComponentName(vm[0]) + '... (' + vm[1] + ' recursive calls)'
+ : formatComponentName(vm))
+ );
+ })
+ .join('\n')
+ );
+ } else {
+ return '\n\n(found in ' + formatComponentName(vm) + ')';
+ }
+ };
+ }
+
+ /* */
+
+ var uid = 0;
+
+ /**
+ * A dep is an observable that can have multiple
+ * directives subscribing to it.
+ */
+ var Dep = function Dep() {
+ this.id = uid++;
+ this.subs = [];
+ };
+
+ Dep.prototype.addSub = function addSub(sub) {
+ this.subs.push(sub);
+ };
+
+ Dep.prototype.removeSub = function removeSub(sub) {
+ remove(this.subs, sub);
+ };
+
+ Dep.prototype.depend = function depend() {
+ if (Dep.target) {
+ Dep.target.addDep(this);
+ }
+ };
+
+ Dep.prototype.notify = function notify() {
+ // stabilize the subscriber list first
+ var subs = this.subs.slice();
+ for (var i = 0, l = subs.length; i < l; i++) {
+ subs[i].update();
+ }
+ };
+
+ // the current target watcher being evaluated.
+ // this is globally unique because there could be only one
+ // watcher being evaluated at any time.
+ Dep.target = null;
+ var targetStack = [];
+
+ function pushTarget(_target) {
+ if (Dep.target) {
+ targetStack.push(Dep.target);
+ }
+ Dep.target = _target;
+ }
+
+ function popTarget() {
+ Dep.target = targetStack.pop();
+ }
+
+ /* */
+
+ var VNode = function VNode(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;
+ };
+
+ var prototypeAccessors = { child: { configurable: true } };
+
+ // DEPRECATED: alias for componentInstance for backwards compat.
+ /* istanbul ignore next */
+ prototypeAccessors.child.get = function() {
+ return this.componentInstance;
+ };
+
+ Object.defineProperties(VNode.prototype, prototypeAccessors);
+
+ var createEmptyVNode = function(text) {
+ if (text === void 0) text = '';
+
+ var 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) {
+ var cloned = new VNode(
+ vnode.tag,
+ vnode.data,
+ vnode.children,
+ 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.isCloned = true;
+ return cloned;
+ }
+
+ /*
+ * not type checking this file because flow doesn't play well with
+ * dynamically accessing methods on Array prototype
+ */
+
+ var arrayProto = Array.prototype;
+ var arrayMethods = Object.create(arrayProto);
+
+ var methodsToPatch = ['push', 'pop', 'shift', 'unshift', 'splice', 'sort', 'reverse'];
+
+ /**
+ * Intercept mutating methods and emit events
+ */
+ methodsToPatch.forEach(function(method) {
+ // cache original method
+ var original = arrayProto[method];
+ def(arrayMethods, method, function mutator() {
+ var args = [],
+ len = arguments.length;
+ while (len--) args[len] = arguments[len];
+
+ var result = original.apply(this, args);
+ var ob = this.__ob__;
+ var 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();
+ return result;
+ });
+ });
+
+ /* */
+
+ var arrayKeys = Object.getOwnPropertyNames(arrayMethods);
+
+ /**
+ * In some cases we may want to disable observation inside a component's
+ * update computation.
+ */
+ var shouldObserve = true;
+
+ function toggleObserving(value) {
+ shouldObserve = value;
+ }
+
+ /**
+ * 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.
+ */
+ var Observer = function Observer(value) {
+ this.value = value;
+ this.dep = new Dep();
+ this.vmCount = 0;
+ def(value, '__ob__', this);
+ if (Array.isArray(value)) {
+ var augment = hasProto ? protoAugment : copyAugment;
+ augment(value, arrayMethods, arrayKeys);
+ this.observeArray(value);
+ } else {
+ this.walk(value);
+ }
+ };
+
+ /**
+ * Walk through each property and convert them into
+ * getter/setters. This method should only be called when
+ * value type is Object.
+ */
+ Observer.prototype.walk = function walk(obj) {
+ var keys = Object.keys(obj);
+ for (var i = 0; i < keys.length; i++) {
+ defineReactive(obj, keys[i]);
+ }
+ };
+
+ /**
+ * Observe a list of Array items.
+ */
+ Observer.prototype.observeArray = function observeArray(items) {
+ for (var i = 0, l = items.length; i < l; i++) {
+ observe(items[i]);
+ }
+ };
+
+ // helpers
+
+ /**
+ * Augment an target Object or Array by intercepting
+ * the prototype chain using __proto__
+ */
+ function protoAugment(target, src, keys) {
+ /* eslint-disable no-proto */
+ target.__proto__ = src;
+ /* eslint-enable no-proto */
+ }
+
+ /**
+ * Augment an target Object or Array by defining
+ * hidden properties.
+ */
+ /* istanbul ignore next */
+ function copyAugment(target, src, keys) {
+ for (var i = 0, l = keys.length; i < l; i++) {
+ var key = keys[i];
+ def(target, key, src[key]);
+ }
+ }
+
+ /**
+ * 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, asRootData) {
+ if (!isObject(value) || value instanceof VNode) {
+ return;
+ }
+ var ob;
+ if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) {
+ ob = value.__ob__;
+ } else if (
+ shouldObserve &&
+ !isServerRendering() &&
+ (Array.isArray(value) || isPlainObject(value)) &&
+ Object.isExtensible(value) &&
+ !value._isVue
+ ) {
+ ob = new Observer(value);
+ }
+ if (asRootData && ob) {
+ ob.vmCount++;
+ }
+ return ob;
+ }
+
+ /**
+ * Define a reactive property on an Object.
+ */
+ function defineReactive(obj, key, val, customSetter, shallow) {
+ var dep = new Dep();
+
+ var property = Object.getOwnPropertyDescriptor(obj, key);
+ if (property && property.configurable === false) {
+ return;
+ }
+
+ // cater for pre-defined getter/setters
+ var getter = property && property.get;
+ if (!getter && arguments.length === 2) {
+ val = obj[key];
+ }
+ var setter = property && property.set;
+
+ var childOb = !shallow && observe(val);
+ Object.defineProperty(obj, key, {
+ enumerable: true,
+ configurable: true,
+ get: function reactiveGetter() {
+ var value = getter ? getter.call(obj) : val;
+ if (Dep.target) {
+ dep.depend();
+ if (childOb) {
+ childOb.dep.depend();
+ if (Array.isArray(value)) {
+ dependArray(value);
+ }
+ }
+ }
+ return value;
+ },
+ set: function reactiveSetter(newVal) {
+ var value = getter ? getter.call(obj) : val;
+ /* eslint-disable no-self-compare */
+ if (newVal === value || (newVal !== newVal && value !== value)) {
+ return;
+ }
+ /* eslint-enable no-self-compare */
+ if ('development' !== 'production' && customSetter) {
+ customSetter();
+ }
+ if (setter) {
+ setter.call(obj, newVal);
+ } else {
+ val = newVal;
+ }
+ childOb = !shallow && observe(newVal);
+ dep.notify();
+ }
+ });
+ }
+
+ /**
+ * Set a property on an object. Adds the new property and
+ * triggers change notification if the property doesn't
+ * already exist.
+ */
+ function set(target, key, val) {
+ if ('development' !== 'production' && (isUndef(target) || isPrimitive(target))) {
+ warn('Cannot set reactive property on undefined, null, or primitive value: ' + target);
+ }
+ if (Array.isArray(target) && isValidArrayIndex(key)) {
+ target.length = Math.max(target.length, key);
+ target.splice(key, 1, val);
+ return val;
+ }
+ if (key in target && !(key in Object.prototype)) {
+ target[key] = val;
+ return val;
+ }
+ var ob = target.__ob__;
+ if (target._isVue || (ob && ob.vmCount)) {
+ 'development' !== 'production' &&
+ 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);
+ ob.dep.notify();
+ return val;
+ }
+
+ /**
+ * Delete a property and trigger change if necessary.
+ */
+ function del(target, key) {
+ if ('development' !== 'production' && (isUndef(target) || isPrimitive(target))) {
+ warn('Cannot delete reactive property on undefined, null, or primitive value: ' + target);
+ }
+ if (Array.isArray(target) && isValidArrayIndex(key)) {
+ target.splice(key, 1);
+ return;
+ }
+ var ob = target.__ob__;
+ if (target._isVue || (ob && ob.vmCount)) {
+ 'development' !== 'production' &&
+ warn('Avoid deleting properties on a Vue instance or its root $data ' + '- just set it to null.');
+ return;
+ }
+ if (!hasOwn(target, key)) {
+ return;
+ }
+ delete target[key];
+ if (!ob) {
+ return;
+ }
+ ob.dep.notify();
+ }
+
+ /**
+ * Collect dependencies on array elements when the array is touched, since
+ * we cannot intercept array element access like property getters.
+ */
+ function dependArray(value) {
+ for (var e = void 0, i = 0, l = value.length; i < l; i++) {
+ e = value[i];
+ e && e.__ob__ && e.__ob__.dep.depend();
+ if (Array.isArray(e)) {
+ dependArray(e);
+ }
+ }
+ }
+
+ /* */
+
+ /**
+ * Option overwriting strategies are functions that handle
+ * how to merge a parent option value and a child option
+ * value into the final value.
+ */
+ var 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) {
+ if (!from) {
+ return to;
+ }
+ var key, toVal, fromVal;
+ var keys = Object.keys(from);
+ for (var i = 0; i < keys.length; i++) {
+ key = keys[i];
+ toVal = to[key];
+ fromVal = from[key];
+ if (!hasOwn(to, key)) {
+ set(to, key, fromVal);
+ } else if (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(
+ typeof childVal === 'function' ? childVal.call(this, this) : childVal,
+ typeof parentVal === 'function' ? parentVal.call(this, this) : parentVal
+ );
+ };
+ } else {
+ return function mergedInstanceDataFn() {
+ // instance merge
+ var instanceData = typeof childVal === 'function' ? childVal.call(vm, vm) : childVal;
+ var defaultData = typeof parentVal === 'function' ? 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') {
+ 'development' !== 'production' &&
+ 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 mergeHook(parentVal, childVal) {
+ return childVal
+ ? parentVal
+ ? parentVal.concat(childVal)
+ : Array.isArray(childVal)
+ ? childVal
+ : [childVal]
+ : parentVal;
+ }
+
+ LIFECYCLE_HOOKS.forEach(function(hook) {
+ strats[hook] = mergeHook;
+ });
+
+ /**
+ * 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) {
+ var res = Object.create(parentVal || null);
+ if (childVal) {
+ 'development' !== 'production' && 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...
+ if (parentVal === nativeWatch) {
+ parentVal = undefined;
+ }
+ if (childVal === nativeWatch) {
+ childVal = undefined;
+ }
+ /* istanbul ignore if */
+ if (!childVal) {
+ return Object.create(parentVal || null);
+ }
+ {
+ assertObjectType(key, childVal, vm);
+ }
+ if (!parentVal) {
+ return childVal;
+ }
+ var ret = {};
+ extend(ret, parentVal);
+ for (var key$1 in childVal) {
+ var parent = ret[key$1];
+ var child = childVal[key$1];
+ if (parent && !Array.isArray(parent)) {
+ parent = [parent];
+ }
+ ret[key$1] = parent ? parent.concat(child) : Array.isArray(child) ? child : [child];
+ }
+ return ret;
+ };
+
+ /**
+ * Other object hashes.
+ */
+ strats.props = strats.methods = strats.inject = strats.computed = function(parentVal, childVal, vm, key) {
+ if (childVal && 'development' !== 'production') {
+ assertObjectType(key, childVal, vm);
+ }
+ if (!parentVal) {
+ return childVal;
+ }
+ var ret = Object.create(null);
+ extend(ret, parentVal);
+ if (childVal) {
+ extend(ret, childVal);
+ }
+ return ret;
+ };
+ strats.provide = mergeDataOrFn;
+
+ /**
+ * Default strategy.
+ */
+ var defaultStrat = function(parentVal, childVal) {
+ return childVal === undefined ? parentVal : childVal;
+ };
+
+ /**
+ * Validate component names
+ */
+ function checkComponents(options) {
+ for (var key in options.components) {
+ validateComponentName(key);
+ }
+ }
+
+ function validateComponentName(name) {
+ if (!/^[a-zA-Z][\w-]*$/.test(name)) {
+ warn(
+ 'Invalid component name: "' +
+ name +
+ '". Component names ' +
+ 'can only contain alphanumeric characters and the hyphen, ' +
+ 'and must start with a letter.'
+ );
+ }
+ 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) {
+ var props = options.props;
+ if (!props) {
+ return;
+ }
+ var res = {};
+ var i, val, name;
+ if (Array.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 (var 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) {
+ var inject = options.inject;
+ if (!inject) {
+ return;
+ }
+ var normalized = (options.inject = {});
+ if (Array.isArray(inject)) {
+ for (var i = 0; i < inject.length; i++) {
+ normalized[inject[i]] = { from: inject[i] };
+ }
+ } else if (isPlainObject(inject)) {
+ for (var key in inject) {
+ var 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(options) {
+ var dirs = options.directives;
+ if (dirs) {
+ for (var key in dirs) {
+ var def = dirs[key];
+ if (typeof def === 'function') {
+ 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 (typeof child === 'function') {
+ child = child.options;
+ }
+
+ normalizeProps(child, vm);
+ normalizeInject(child, vm);
+ normalizeDirectives(child);
+ var extendsFrom = child.extends;
+ if (extendsFrom) {
+ parent = mergeOptions(parent, extendsFrom, vm);
+ }
+ if (child.mixins) {
+ for (var i = 0, l = child.mixins.length; i < l; i++) {
+ parent = mergeOptions(parent, child.mixins[i], vm);
+ }
+ }
+ var options = {};
+ var key;
+ for (key in parent) {
+ mergeField(key);
+ }
+ for (key in child) {
+ if (!hasOwn(parent, key)) {
+ mergeField(key);
+ }
+ }
+ function mergeField(key) {
+ var 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;
+ }
+ var assets = options[type];
+ // check local registration variations first
+ if (hasOwn(assets, id)) {
+ return assets[id];
+ }
+ var camelizedId = camelize(id);
+ if (hasOwn(assets, camelizedId)) {
+ return assets[camelizedId];
+ }
+ var PascalCaseId = capitalize(camelizedId);
+ if (hasOwn(assets, PascalCaseId)) {
+ return assets[PascalCaseId];
+ }
+ // fallback to prototype chain
+ var res = assets[id] || assets[camelizedId] || assets[PascalCaseId];
+ if ('development' !== 'production' && warnMissing && !res) {
+ warn('Failed to resolve ' + type.slice(0, -1) + ': ' + id, options);
+ }
+ return res;
+ }
+
+ /* */
+
+ function validateProp(key, propOptions, propsData, vm) {
+ var prop = propOptions[key];
+ var absent = !hasOwn(propsData, key);
+ var value = propsData[key];
+ // boolean casting
+ var 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
+ var 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.
+ var 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;
+ }
+ var def = prop.default;
+ // warn against non-factory defaults for Object & Array
+ if ('development' !== 'production' && 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 typeof def === 'function' && 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;
+ }
+ var type = prop.type;
+ var valid = !type || type === true;
+ var expectedTypes = [];
+ if (type) {
+ if (!Array.isArray(type)) {
+ type = [type];
+ }
+ for (var i = 0; i < type.length && !valid; i++) {
+ var assertedType = assertType(value, type[i]);
+ expectedTypes.push(assertedType.expectedType || '');
+ valid = assertedType.valid;
+ }
+ }
+ if (!valid) {
+ warn(
+ 'Invalid prop: type check failed for prop "' +
+ name +
+ '".' +
+ ' Expected ' +
+ expectedTypes.map(capitalize).join(', ') +
+ ', got ' +
+ toRawType(value) +
+ '.',
+ vm
+ );
+ return;
+ }
+ var validator = prop.validator;
+ if (validator) {
+ if (!validator(value)) {
+ warn('Invalid prop: custom validator check failed for prop "' + name + '".', vm);
+ }
+ }
+ }
+
+ var simpleCheckRE = /^(String|Number|Boolean|Function|Symbol)$/;
+
+ function assertType(value, type) {
+ var valid;
+ var expectedType = getType(type);
+ if (simpleCheckRE.test(expectedType)) {
+ var t = typeof value;
+ valid = t === expectedType.toLowerCase();
+ // for primitive wrapper objects
+ if (!valid && t === 'object') {
+ valid = value instanceof type;
+ }
+ } else if (expectedType === 'Object') {
+ valid = isPlainObject(value);
+ } else if (expectedType === 'Array') {
+ valid = Array.isArray(value);
+ } else {
+ valid = value instanceof type;
+ }
+ return {
+ valid: valid,
+ expectedType: expectedType
+ };
+ }
+
+ /**
+ * Use function string name to check built-in types,
+ * because a simple equality check will fail when running
+ * across different vms / iframes.
+ */
+ function getType(fn) {
+ var match = fn && fn.toString().match(/^\s*function (\w+)/);
+ return match ? match[1] : '';
+ }
+
+ function isSameType(a, b) {
+ return getType(a) === getType(b);
+ }
+
+ function getTypeIndex(type, expectedTypes) {
+ if (!Array.isArray(expectedTypes)) {
+ return isSameType(expectedTypes, type) ? 0 : -1;
+ }
+ for (var i = 0, len = expectedTypes.length; i < len; i++) {
+ if (isSameType(expectedTypes[i], type)) {
+ return i;
+ }
+ }
+ return -1;
+ }
+
+ /* */
+
+ function handleError(err, vm, info) {
+ if (vm) {
+ var cur = vm;
+ while ((cur = cur.$parent)) {
+ var hooks = cur.$options.errorCaptured;
+ if (hooks) {
+ for (var i = 0; i < hooks.length; i++) {
+ try {
+ var capture = hooks[i].call(cur, err, vm, info) === false;
+ if (capture) {
+ return;
+ }
+ } catch (e) {
+ globalHandleError(e, cur, 'errorCaptured hook');
+ }
+ }
+ }
+ }
+ }
+ globalHandleError(err, vm, info);
+ }
+
+ function globalHandleError(err, vm, info) {
+ if (config.errorHandler) {
+ try {
+ return config.errorHandler.call(null, err, vm, info);
+ } catch (e) {
+ 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 || inWeex) && typeof console !== 'undefined') {
+ console.error(err);
+ } else {
+ throw err;
+ }
+ }
+
+ /* */
+ /* globals MessageChannel */
+
+ var callbacks = [];
+ var pending = false;
+
+ function flushCallbacks() {
+ pending = false;
+ var copies = callbacks.slice(0);
+ callbacks.length = 0;
+ for (var i = 0; i < copies.length; i++) {
+ copies[i]();
+ }
+ }
+
+ // Here we have async deferring wrappers using both microtasks and (macro) tasks.
+ // In < 2.4 we used microtasks everywhere, but there are some scenarios where
+ // microtasks have too high a priority and fire in between supposedly
+ // sequential events (e.g. #4521, #6690) or even between bubbling of the same
+ // event (#6566). However, using (macro) tasks everywhere also has subtle problems
+ // when state is changed right before repaint (e.g. #6813, out-in transitions).
+ // Here we use microtask by default, but expose a way to force (macro) task when
+ // needed (e.g. in event handlers attached by v-on).
+ var microTimerFunc;
+ var macroTimerFunc;
+ var useMacroTask = false;
+
+ // Determine (macro) task defer implementation.
+ // Technically setImmediate should be the ideal choice, but it's only available
+ // in IE. The only polyfill that consistently queues the callback after all DOM
+ // events triggered in the same loop is by using MessageChannel.
+ /* istanbul ignore if */
+ if (typeof setImmediate !== 'undefined' && isNative(setImmediate)) {
+ macroTimerFunc = function() {
+ setImmediate(flushCallbacks);
+ };
+ } else if (
+ typeof MessageChannel !== 'undefined' &&
+ (isNative(MessageChannel) ||
+ // PhantomJS
+ MessageChannel.toString() === '[object MessageChannelConstructor]')
+ ) {
+ var channel = new MessageChannel();
+ var port = channel.port2;
+ channel.port1.onmessage = flushCallbacks;
+ macroTimerFunc = function() {
+ port.postMessage(1);
+ };
+ } else {
+ /* istanbul ignore next */
+ macroTimerFunc = function() {
+ setTimeout(flushCallbacks, 0);
+ };
+ }
+
+ // Determine microtask defer implementation.
+ /* istanbul ignore next, $flow-disable-line */
+ if (typeof Promise !== 'undefined' && isNative(Promise)) {
+ var p = Promise.resolve();
+ microTimerFunc = function() {
+ 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);
+ }
+ };
+ } else {
+ // fallback to macro
+ microTimerFunc = macroTimerFunc;
+ }
+
+ /**
+ * Wrap a function so that if any code inside triggers state change,
+ * the changes are queued using a (macro) task instead of a microtask.
+ */
+ function withMacroTask(fn) {
+ return (
+ fn._withTask ||
+ (fn._withTask = function() {
+ useMacroTask = true;
+ var res = fn.apply(null, arguments);
+ useMacroTask = false;
+ return res;
+ })
+ );
+ }
+
+ function nextTick(cb, ctx) {
+ var _resolve;
+ callbacks.push(function() {
+ if (cb) {
+ try {
+ cb.call(ctx);
+ } catch (e) {
+ handleError(e, ctx, 'nextTick');
+ }
+ } else if (_resolve) {
+ _resolve(ctx);
+ }
+ });
+ if (!pending) {
+ pending = true;
+ if (useMacroTask) {
+ macroTimerFunc();
+ } else {
+ microTimerFunc();
+ }
+ }
+ // $flow-disable-line
+ if (!cb && typeof Promise !== 'undefined') {
+ return new Promise(function(resolve) {
+ _resolve = resolve;
+ });
+ }
+ }
+
+ /* */
+
+ var mark;
+ var measure;
+
+ {
+ var perf = inBrowser && window.performance;
+ /* istanbul ignore if */
+ if (perf && perf.mark && perf.measure && perf.clearMarks && perf.clearMeasures) {
+ mark = function(tag) {
+ return perf.mark(tag);
+ };
+ measure = function(name, startTag, endTag) {
+ perf.measure(name, startTag, endTag);
+ perf.clearMarks(startTag);
+ perf.clearMarks(endTag);
+ perf.clearMeasures(name);
+ };
+ }
+ }
+
+ /* not type checking this file because flow doesn't play well with Proxy */
+
+ var initProxy;
+
+ {
+ var 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,' +
+ 'require' // for Webpack/Browserify
+ );
+
+ var warnNonPresent = function(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://vuejs.org/v2/guide/reactivity.html#Declaring-Reactive-Properties.',
+ target
+ );
+ };
+
+ var hasProxy = typeof Proxy !== 'undefined' && isNative(Proxy);
+
+ if (hasProxy) {
+ var isBuiltInModifier = makeMap('stop,prevent,self,ctrl,shift,alt,meta,exact');
+ config.keyCodes = new Proxy(config.keyCodes, {
+ set: function 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;
+ }
+ }
+ });
+ }
+
+ var hasHandler = {
+ has: function has(target, key) {
+ var has = key in target;
+ var isAllowed = allowedGlobals(key) || key.charAt(0) === '_';
+ if (!has && !isAllowed) {
+ warnNonPresent(target, key);
+ }
+ return has || !isAllowed;
+ }
+ };
+
+ var getHandler = {
+ get: function get(target, key) {
+ if (typeof key === 'string' && !(key in target)) {
+ warnNonPresent(target, key);
+ }
+ return target[key];
+ }
+ };
+
+ initProxy = function initProxy(vm) {
+ if (hasProxy) {
+ // determine which proxy handler to use
+ var options = vm.$options;
+ var handlers = options.render && options.render._withStripped ? getHandler : hasHandler;
+ vm._renderProxy = new Proxy(vm, handlers);
+ } else {
+ vm._renderProxy = vm;
+ }
+ };
+ }
+
+ /* */
+
+ var 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();
+ }
+
+ function _traverse(val, seen) {
+ var i, keys;
+ var isA = Array.isArray(val);
+ if ((!isA && !isObject(val)) || Object.isFrozen(val) || val instanceof VNode) {
+ return;
+ }
+ if (val.__ob__) {
+ var 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 {
+ keys = Object.keys(val);
+ i = keys.length;
+ while (i--) {
+ _traverse(val[keys[i]], seen);
+ }
+ }
+ }
+
+ /* */
+
+ var normalizeEvent = cached(function(name) {
+ var passive = name.charAt(0) === '&';
+ name = passive ? name.slice(1) : name;
+ var once$$1 = name.charAt(0) === '~'; // Prefixed last, checked first
+ name = once$$1 ? name.slice(1) : name;
+ var capture = name.charAt(0) === '!';
+ name = capture ? name.slice(1) : name;
+ return {
+ name: name,
+ once: once$$1,
+ capture: capture,
+ passive: passive
+ };
+ });
+
+ function createFnInvoker(fns) {
+ function invoker() {
+ var arguments$1 = arguments;
+
+ var fns = invoker.fns;
+ if (Array.isArray(fns)) {
+ var cloned = fns.slice();
+ for (var i = 0; i < cloned.length; i++) {
+ cloned[i].apply(null, arguments$1);
+ }
+ } else {
+ // return handler return value for single handlers
+ return fns.apply(null, arguments);
+ }
+ }
+ invoker.fns = fns;
+ return invoker;
+ }
+
+ function updateListeners(on, oldOn, add, remove$$1, vm) {
+ var name, def, cur, old, event;
+ for (name in on) {
+ def = cur = on[name];
+ old = oldOn[name];
+ event = normalizeEvent(name);
+ /* istanbul ignore if */
+ if (isUndef(cur)) {
+ 'development' !== 'production' &&
+ warn('Invalid handler for event "' + event.name + '": got ' + String(cur), vm);
+ } else if (isUndef(old)) {
+ if (isUndef(cur.fns)) {
+ cur = on[name] = createFnInvoker(cur);
+ }
+ add(event.name, cur, event.once, 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$$1(event.name, oldOn[name], event.capture);
+ }
+ }
+ }
+
+ /* */
+
+ function mergeVNodeHook(def, hookKey, hook) {
+ if (def instanceof VNode) {
+ def = def.data.hook || (def.data.hook = {});
+ }
+ var invoker;
+ var 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(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.
+ var propOptions = Ctor.options.props;
+ if (isUndef(propOptions)) {
+ return;
+ }
+ var res = {};
+ var attrs = data.attrs;
+ var props = data.props;
+ if (isDef(attrs) || isDef(props)) {
+ for (var key in propOptions) {
+ var altKey = hyphenate(key);
+ {
+ var keyInLowerCase = key.toLowerCase();
+ if (key !== keyInLowerCase && attrs && hasOwn(attrs, keyInLowerCase)) {
+ tip(
+ 'Prop "' +
+ keyInLowerCase +
+ '" is passed to component ' +
+ formatComponentName(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. 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 (var i = 0; i < children.length; i++) {
+ if (Array.isArray(children[i])) {
+ return Array.prototype.concat.apply([], children);
+ }
+ }
+ return children;
+ }
+
+ // 2. When the children contains constructs that always generated nested Arrays,
+ // e.g. , , 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)]
+ : Array.isArray(children)
+ ? normalizeArrayChildren(children)
+ : undefined;
+ }
+
+ function isTextNode(node) {
+ return isDef(node) && isDef(node.text) && isFalse(node.isComment);
+ }
+
+ function normalizeArrayChildren(children, nestedIndex) {
+ var res = [];
+ var 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 (Array.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;
+ }
+
+ /* */
+
+ 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) {
+ var node = createEmptyVNode();
+ node.asyncFactory = factory;
+ node.asyncMeta = { data: data, context: context, children: children, tag: tag };
+ return node;
+ }
+
+ function resolveAsyncComponent(factory, baseCtor, context) {
+ if (isTrue(factory.error) && isDef(factory.errorComp)) {
+ return factory.errorComp;
+ }
+
+ if (isDef(factory.resolved)) {
+ return factory.resolved;
+ }
+
+ if (isTrue(factory.loading) && isDef(factory.loadingComp)) {
+ return factory.loadingComp;
+ }
+
+ if (isDef(factory.contexts)) {
+ // already pending
+ factory.contexts.push(context);
+ } else {
+ var contexts = (factory.contexts = [context]);
+ var sync = true;
+
+ var forceRender = function() {
+ for (var i = 0, l = contexts.length; i < l; i++) {
+ contexts[i].$forceUpdate();
+ }
+ };
+
+ var resolve = once(function(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();
+ }
+ });
+
+ var reject = once(function(reason) {
+ 'development' !== 'production' &&
+ warn(
+ 'Failed to resolve async component: ' + String(factory) + (reason ? '\nReason: ' + reason : '')
+ );
+ if (isDef(factory.errorComp)) {
+ factory.error = true;
+ forceRender();
+ }
+ });
+
+ var res = factory(resolve, reject);
+
+ if (isObject(res)) {
+ if (typeof res.then === 'function') {
+ // () => Promise
+ if (isUndef(factory.resolved)) {
+ res.then(resolve, reject);
+ }
+ } else if (isDef(res.component) && typeof res.component.then === 'function') {
+ 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 {
+ setTimeout(function() {
+ if (isUndef(factory.resolved) && isUndef(factory.error)) {
+ factory.loading = true;
+ forceRender();
+ }
+ }, res.delay || 200);
+ }
+ }
+
+ if (isDef(res.timeout)) {
+ setTimeout(function() {
+ 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 isAsyncPlaceholder(node) {
+ return node.isComment && node.asyncFactory;
+ }
+
+ /* */
+
+ function getFirstComponentChild(children) {
+ if (Array.isArray(children)) {
+ for (var i = 0; i < children.length; i++) {
+ var c = children[i];
+ if (isDef(c) && (isDef(c.componentOptions) || isAsyncPlaceholder(c))) {
+ return c;
+ }
+ }
+ }
+ }
+
+ /* */
+
+ /* */
+
+ function initEvents(vm) {
+ vm._events = Object.create(null);
+ vm._hasHookEvent = false;
+ // init parent attached events
+ var listeners = vm.$options._parentListeners;
+ if (listeners) {
+ updateComponentListeners(vm, listeners);
+ }
+ }
+
+ var target;
+
+ function add(event, fn, once) {
+ if (once) {
+ target.$once(event, fn);
+ } else {
+ target.$on(event, fn);
+ }
+ }
+
+ function remove$1(event, fn) {
+ target.$off(event, fn);
+ }
+
+ function updateComponentListeners(vm, listeners, oldListeners) {
+ target = vm;
+ updateListeners(listeners, oldListeners || {}, add, remove$1, vm);
+ target = undefined;
+ }
+
+ function eventsMixin(Vue) {
+ var hookRE = /^hook:/;
+ Vue.prototype.$on = function(event, fn) {
+ var this$1 = this;
+
+ var vm = this;
+ if (Array.isArray(event)) {
+ for (var i = 0, l = event.length; i < l; i++) {
+ this$1.$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) {
+ var 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) {
+ var this$1 = this;
+
+ var vm = this;
+ // all
+ if (!arguments.length) {
+ vm._events = Object.create(null);
+ return vm;
+ }
+ // array of events
+ if (Array.isArray(event)) {
+ for (var i = 0, l = event.length; i < l; i++) {
+ this$1.$off(event[i], fn);
+ }
+ return vm;
+ }
+ // specific event
+ var cbs = vm._events[event];
+ if (!cbs) {
+ return vm;
+ }
+ if (!fn) {
+ vm._events[event] = null;
+ return vm;
+ }
+ if (fn) {
+ // specific handler
+ var cb;
+ var i$1 = cbs.length;
+ while (i$1--) {
+ cb = cbs[i$1];
+ if (cb === fn || cb.fn === fn) {
+ cbs.splice(i$1, 1);
+ break;
+ }
+ }
+ }
+ return vm;
+ };
+
+ Vue.prototype.$emit = function(event) {
+ var vm = this;
+ {
+ var 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 +
+ '".'
+ );
+ }
+ }
+ var cbs = vm._events[event];
+ if (cbs) {
+ cbs = cbs.length > 1 ? toArray(cbs) : cbs;
+ var args = toArray(arguments, 1);
+ for (var i = 0, l = cbs.length; i < l; i++) {
+ try {
+ cbs[i].apply(vm, args);
+ } catch (e) {
+ handleError(e, vm, 'event handler for "' + event + '"');
+ }
+ }
+ }
+ return vm;
+ };
+ }
+
+ /* */
+
+ /**
+ * Runtime helper for resolving raw children VNodes into a slot object.
+ */
+ function resolveSlots(children, context) {
+ var slots = {};
+ if (!children) {
+ return slots;
+ }
+ for (var i = 0, l = children.length; i < l; i++) {
+ var child = children[i];
+ var 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) {
+ var name = data.slot;
+ var 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 (var name$1 in slots) {
+ if (slots[name$1].every(isWhitespace)) {
+ delete slots[name$1];
+ }
+ }
+ return slots;
+ }
+
+ function isWhitespace(node) {
+ return (node.isComment && !node.asyncFactory) || node.text === ' ';
+ }
+
+ function resolveScopedSlots(
+ fns, // see flow/vnode
+ res
+ ) {
+ res = res || {};
+ for (var i = 0; i < fns.length; i++) {
+ if (Array.isArray(fns[i])) {
+ resolveScopedSlots(fns[i], res);
+ } else {
+ res[fns[i].key] = fns[i].fn;
+ }
+ }
+ return res;
+ }
+
+ /* */
+
+ var activeInstance = null;
+ var isUpdatingChildComponent = false;
+
+ function initLifecycle(vm) {
+ var options = vm.$options;
+
+ // locate first non-abstract parent
+ var 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._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) {
+ var vm = this;
+ if (vm._isMounted) {
+ callHook(vm, 'beforeUpdate');
+ }
+ var prevEl = vm.$el;
+ var prevVnode = vm._vnode;
+ var prevActiveInstance = activeInstance;
+ activeInstance = 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 */,
+ vm.$options._parentElm,
+ vm.$options._refElm
+ );
+ // no need for the ref nodes after initial patch
+ // this prevents keeping a detached DOM tree in memory (#5851)
+ vm.$options._parentElm = vm.$options._refElm = null;
+ } else {
+ // updates
+ vm.$el = vm.__patch__(prevVnode, vnode);
+ }
+ activeInstance = prevActiveInstance;
+ // 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
+ if (vm.$vnode && vm.$parent && vm.$vnode === vm.$parent._vnode) {
+ vm.$parent.$el = vm.$el;
+ }
+ // updated hook is called by the scheduler to ensure that children are
+ // updated in a parent's updated hook.
+ };
+
+ Vue.prototype.$forceUpdate = function() {
+ var vm = this;
+ if (vm._watcher) {
+ vm._watcher.update();
+ }
+ };
+
+ Vue.prototype.$destroy = function() {
+ var vm = this;
+ if (vm._isBeingDestroyed) {
+ return;
+ }
+ callHook(vm, 'beforeDestroy');
+ vm._isBeingDestroyed = true;
+ // remove self from parent
+ var parent = vm.$parent;
+ if (parent && !parent._isBeingDestroyed && !vm.$options.abstract) {
+ remove(parent.$children, vm);
+ }
+ // teardown watchers
+ if (vm._watcher) {
+ vm._watcher.teardown();
+ }
+ var i = vm._watchers.length;
+ while (i--) {
+ vm._watchers[i].teardown();
+ }
+ // 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(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) {
+ 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(vm, 'beforeMount');
+
+ var updateComponent;
+ /* istanbul ignore if */
+ if ('development' !== 'production' && config.performance && mark) {
+ updateComponent = function() {
+ var name = vm._name;
+ var id = vm._uid;
+ var startTag = 'vue-perf-start:' + id;
+ var endTag = 'vue-perf-end:' + id;
+
+ mark(startTag);
+ var 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 = function() {
+ vm._update(vm._render(), hydrating);
+ };
+ }
+
+ // 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, null, true /* isRenderWatcher */);
+ hydrating = false;
+
+ // 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(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
+ var hasChildren = !!(
+ (
+ renderChildren || // has new static slots
+ vm.$options._renderChildren || // has old static slots
+ parentVnode.data.scopedSlots || // has new scoped slots
+ vm.$scopedSlots !== emptyObject
+ ) // has old scoped slots
+ );
+
+ 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
+ vm.$attrs = parentVnode.data.attrs || emptyObject;
+ vm.$listeners = listeners || emptyObject;
+
+ // update props
+ if (propsData && vm.$options.props) {
+ toggleObserving(false);
+ var props = vm._props;
+ var propKeys = vm.$options._propKeys || [];
+ for (var i = 0; i < propKeys.length; i++) {
+ var key = propKeys[i];
+ var 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;
+ }
+
+ // update listeners
+ listeners = listeners || emptyObject;
+ var oldListeners = vm.$options._parentListeners;
+ vm.$options._parentListeners = listeners;
+ updateComponentListeners(vm, listeners, oldListeners);
+
+ // resolve slots + force update if has children
+ if (hasChildren) {
+ 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 (var i = 0; i < vm.$children.length; i++) {
+ activateChildComponent(vm.$children[i]);
+ }
+ callHook(vm, 'activated');
+ }
+ }
+
+ function deactivateChildComponent(vm, direct) {
+ if (direct) {
+ vm._directInactive = true;
+ if (isInInactiveTree(vm)) {
+ return;
+ }
+ }
+ if (!vm._inactive) {
+ vm._inactive = true;
+ for (var i = 0; i < vm.$children.length; i++) {
+ deactivateChildComponent(vm.$children[i]);
+ }
+ callHook(vm, 'deactivated');
+ }
+ }
+
+ function callHook(vm, hook) {
+ // #7573 disable dep collection when invoking lifecycle hooks
+ pushTarget();
+ var handlers = vm.$options[hook];
+ if (handlers) {
+ for (var i = 0, j = handlers.length; i < j; i++) {
+ try {
+ handlers[i].call(vm);
+ } catch (e) {
+ handleError(e, vm, hook + ' hook');
+ }
+ }
+ }
+ if (vm._hasHookEvent) {
+ vm.$emit('hook:' + hook);
+ }
+ popTarget();
+ }
+
+ /* */
+
+ var MAX_UPDATE_COUNT = 100;
+
+ var queue = [];
+ var activatedChildren = [];
+ var has = {};
+ var circular = {};
+ var waiting = false;
+ var flushing = false;
+ var index = 0;
+
+ /**
+ * Reset the scheduler's state.
+ */
+ function resetSchedulerState() {
+ index = queue.length = activatedChildren.length = 0;
+ has = {};
+ {
+ circular = {};
+ }
+ waiting = flushing = false;
+ }
+
+ /**
+ * Flush both queues and run the watchers.
+ */
+ function flushSchedulerQueue() {
+ flushing = true;
+ var 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(function(a, b) {
+ return a.id - b.id;
+ });
+
+ // 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];
+ id = watcher.id;
+ has[id] = null;
+ watcher.run();
+ // in dev build, check and stop circular updates.
+ if ('development' !== 'production' && 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
+ var activatedQueue = activatedChildren.slice();
+ var updatedQueue = queue.slice();
+
+ resetSchedulerState();
+
+ // call component updated and activated hooks
+ callActivatedHooks(activatedQueue);
+ callUpdatedHooks(updatedQueue);
+
+ // devtool hook
+ /* istanbul ignore if */
+ if (devtools && config.devtools) {
+ devtools.emit('flush');
+ }
+ }
+
+ function callUpdatedHooks(queue) {
+ var i = queue.length;
+ while (i--) {
+ var watcher = queue[i];
+ var vm = watcher.vm;
+ if (vm._watcher === watcher && vm._isMounted) {
+ callHook(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 (var 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) {
+ var id = watcher.id;
+ if (has[id] == null) {
+ 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.
+ var 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;
+ nextTick(flushSchedulerQueue);
+ }
+ }
+ }
+
+ /* */
+
+ var 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.
+ */
+ var Watcher = function Watcher(vm, expOrFn, cb, options, isRenderWatcher) {
+ this.vm = vm;
+ if (isRenderWatcher) {
+ vm._watcher = this;
+ }
+ vm._watchers.push(this);
+ // options
+ if (options) {
+ this.deep = !!options.deep;
+ this.user = !!options.user;
+ this.lazy = !!options.lazy;
+ this.sync = !!options.sync;
+ } else {
+ this.deep = this.user = this.lazy = this.sync = false;
+ }
+ this.cb = cb;
+ this.id = ++uid$1; // uid for batching
+ this.active = true;
+ 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 (typeof expOrFn === 'function') {
+ this.getter = expOrFn;
+ } else {
+ this.getter = parsePath(expOrFn);
+ if (!this.getter) {
+ this.getter = function() {};
+ 'development' !== 'production' &&
+ 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.
+ */
+ Watcher.prototype.get = function get() {
+ pushTarget(this);
+ var value;
+ var 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.
+ */
+ Watcher.prototype.addDep = function addDep(dep) {
+ var 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.
+ */
+ Watcher.prototype.cleanupDeps = function cleanupDeps() {
+ var this$1 = this;
+
+ var i = this.deps.length;
+ while (i--) {
+ var dep = this$1.deps[i];
+ if (!this$1.newDepIds.has(dep.id)) {
+ dep.removeSub(this$1);
+ }
+ }
+ var 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.
+ */
+ Watcher.prototype.update = function 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.
+ */
+ Watcher.prototype.run = function run() {
+ if (this.active) {
+ var 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
+ var oldValue = this.value;
+ this.value = value;
+ if (this.user) {
+ try {
+ this.cb.call(this.vm, value, oldValue);
+ } catch (e) {
+ handleError(e, this.vm, 'callback for watcher "' + this.expression + '"');
+ }
+ } else {
+ this.cb.call(this.vm, value, oldValue);
+ }
+ }
+ }
+ };
+
+ /**
+ * Evaluate the value of the watcher.
+ * This only gets called for lazy watchers.
+ */
+ Watcher.prototype.evaluate = function evaluate() {
+ this.value = this.get();
+ this.dirty = false;
+ };
+
+ /**
+ * Depend on all deps collected by this watcher.
+ */
+ Watcher.prototype.depend = function depend() {
+ var this$1 = this;
+
+ var i = this.deps.length;
+ while (i--) {
+ this$1.deps[i].depend();
+ }
+ };
+
+ /**
+ * Remove self from all dependencies' subscriber list.
+ */
+ Watcher.prototype.teardown = function teardown() {
+ var this$1 = this;
+
+ if (this.active) {
+ // remove self from vm's watcher list
+ // this is a somewhat expensive operation so we skip it
+ // if the vm is being destroyed.
+ if (!this.vm._isBeingDestroyed) {
+ remove(this.vm._watchers, this);
+ }
+ var i = this.deps.length;
+ while (i--) {
+ this$1.deps[i].removeSub(this$1);
+ }
+ this.active = false;
+ }
+ };
+
+ /* */
+
+ var 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) {
+ vm._watchers = [];
+ var opts = vm.$options;
+ if (opts.props) {
+ initProps(vm, opts.props);
+ }
+ if (opts.methods) {
+ initMethods(vm, opts.methods);
+ }
+ if (opts.data) {
+ initData(vm);
+ } else {
+ observe((vm._data = {}), true /* asRootData */);
+ }
+ if (opts.computed) {
+ initComputed(vm, opts.computed);
+ }
+ if (opts.watch && opts.watch !== nativeWatch) {
+ initWatch(vm, opts.watch);
+ }
+ }
+
+ function initProps(vm, propsOptions) {
+ var propsData = vm.$options.propsData || {};
+ var props = (vm._props = {});
+ // cache prop keys so that future props updates can iterate using Array
+ // instead of dynamic object key enumeration.
+ var keys = (vm.$options._propKeys = []);
+ var isRoot = !vm.$parent;
+ // root instance props should be converted
+ if (!isRoot) {
+ toggleObserving(false);
+ }
+ var loop = function(key) {
+ keys.push(key);
+ var value = validateProp(key, propsOptions, propsData, vm);
+ /* istanbul ignore else */
+ {
+ var 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, function() {
+ if (vm.$parent && !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
+ );
+ }
+ });
+ }
+ // 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);
+ }
+ };
+
+ for (var key in propsOptions) loop(key);
+ toggleObserving(true);
+ }
+
+ function initData(vm) {
+ var data = vm.$options.data;
+ data = vm._data = typeof data === 'function' ? getData(data, vm) : data || {};
+ if (!isPlainObject(data)) {
+ data = {};
+ 'development' !== 'production' &&
+ warn(
+ 'data functions should return an object:\n' +
+ 'https://vuejs.org/v2/guide/components.html#data-Must-Be-a-Function',
+ vm
+ );
+ }
+ // proxy data on instance
+ var keys = Object.keys(data);
+ var props = vm.$options.props;
+ var methods = vm.$options.methods;
+ var i = keys.length;
+ while (i--) {
+ var 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)) {
+ 'development' !== 'production' &&
+ 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
+ observe(data, true /* asRootData */);
+ }
+
+ 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();
+ }
+ }
+
+ var computedWatcherOptions = { lazy: true };
+
+ function initComputed(vm, computed) {
+ // $flow-disable-line
+ var watchers = (vm._computedWatchers = Object.create(null));
+ // computed properties are just getters during SSR
+ var isSSR = isServerRendering();
+
+ for (var key in computed) {
+ var userDef = computed[key];
+ var getter = typeof userDef === 'function' ? userDef : userDef.get;
+ if ('development' !== 'production' && 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);
+ }
+ }
+ }
+ }
+
+ function defineComputed(target, key, userDef) {
+ var shouldCache = !isServerRendering();
+ if (typeof userDef === 'function') {
+ sharedPropertyDefinition.get = shouldCache ? createComputedGetter(key) : userDef;
+ sharedPropertyDefinition.set = noop;
+ } else {
+ sharedPropertyDefinition.get = userDef.get
+ ? shouldCache && userDef.cache !== false
+ ? createComputedGetter(key)
+ : userDef.get
+ : noop;
+ sharedPropertyDefinition.set = userDef.set ? userDef.set : noop;
+ }
+ if ('development' !== 'production' && 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() {
+ var watcher = this._computedWatchers && this._computedWatchers[key];
+ if (watcher) {
+ if (watcher.dirty) {
+ watcher.evaluate();
+ }
+ if (Dep.target) {
+ watcher.depend();
+ }
+ return watcher.value;
+ }
+ };
+ }
+
+ function initMethods(vm, methods) {
+ var props = vm.$options.props;
+ for (var key in methods) {
+ {
+ if (methods[key] == null) {
+ warn(
+ 'Method "' +
+ key +
+ '" has an undefined value 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] = methods[key] == null ? noop : bind(methods[key], vm);
+ }
+ }
+
+ function initWatch(vm, watch) {
+ for (var key in watch) {
+ var handler = watch[key];
+ if (Array.isArray(handler)) {
+ for (var 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.
+ var dataDef = {};
+ dataDef.get = function() {
+ return this._data;
+ };
+ var propsDef = {};
+ propsDef.get = function() {
+ return this._props;
+ };
+ {
+ dataDef.set = function(newData) {
+ 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) {
+ var vm = this;
+ if (isPlainObject(cb)) {
+ return createWatcher(vm, expOrFn, cb, options);
+ }
+ options = options || {};
+ options.user = true;
+ var watcher = new Watcher(vm, expOrFn, cb, options);
+ if (options.immediate) {
+ cb.call(vm, watcher.value);
+ }
+ return function unwatchFn() {
+ watcher.teardown();
+ };
+ };
+ }
+
+ /* */
+
+ function initProvide(vm) {
+ var provide = vm.$options.provide;
+ if (provide) {
+ vm._provided = typeof provide === 'function' ? provide.call(vm) : provide;
+ }
+ }
+
+ function initInjections(vm) {
+ var result = resolveInject(vm.$options.inject, vm);
+ if (result) {
+ toggleObserving(false);
+ Object.keys(result).forEach(function(key) {
+ /* istanbul ignore else */
+ {
+ defineReactive(vm, key, result[key], function() {
+ 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
+ var result = Object.create(null);
+ var keys = hasSymbol
+ ? Reflect.ownKeys(inject).filter(function(key) {
+ /* istanbul ignore next */
+ return Object.getOwnPropertyDescriptor(inject, key).enumerable;
+ })
+ : Object.keys(inject);
+
+ for (var i = 0; i < keys.length; i++) {
+ var key = keys[i];
+ var provideKey = inject[key].from;
+ var source = vm;
+ while (source) {
+ if (source._provided && hasOwn(source._provided, provideKey)) {
+ result[key] = source._provided[provideKey];
+ break;
+ }
+ source = source.$parent;
+ }
+ if (!source) {
+ if ('default' in inject[key]) {
+ var provideDefault = inject[key].default;
+ result[key] = typeof provideDefault === 'function' ? provideDefault.call(vm) : provideDefault;
+ } else {
+ warn('Injection "' + key + '" not found', vm);
+ }
+ }
+ }
+ return result;
+ }
+ }
+
+ /* */
+
+ /**
+ * Runtime helper for rendering v-for lists.
+ */
+ function renderList(val, render) {
+ var ret, i, l, keys, key;
+ if (Array.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)) {
+ 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._isVList = true;
+ }
+ return ret;
+ }
+
+ /* */
+
+ /**
+ * Runtime helper for rendering
+ */
+ function renderSlot(name, fallback, props, bindObject) {
+ var scopedSlotFn = this.$scopedSlots[name];
+ var nodes;
+ if (scopedSlotFn) {
+ // scoped slot
+ props = props || {};
+ if (bindObject) {
+ if ('development' !== 'production' && !isObject(bindObject)) {
+ warn('slot v-bind without argument expects an Object', this);
+ }
+ props = extend(extend({}, bindObject), props);
+ }
+ nodes = scopedSlotFn(props) || fallback;
+ } else {
+ var slotNodes = this.$slots[name];
+ // warn duplicate slot usage
+ if (slotNodes) {
+ if ('development' !== 'production' && slotNodes._rendered) {
+ warn(
+ 'Duplicate presence of slot "' +
+ name +
+ '" found in the same render tree ' +
+ '- this will likely cause render errors.',
+ this
+ );
+ }
+ slotNodes._rendered = true;
+ }
+ nodes = slotNodes || fallback;
+ }
+
+ var 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 (Array.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) {
+ var 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;
+ }
+ }
+
+ /* */
+
+ /**
+ * Runtime helper for merging v-bind="object" into a VNode's data.
+ */
+ function bindObjectProps(data, tag, value, asProp, isSync) {
+ if (value) {
+ if (!isObject(value)) {
+ 'development' !== 'production' &&
+ warn('v-bind without argument expects an Object or Array value', this);
+ } else {
+ if (Array.isArray(value)) {
+ value = toObject(value);
+ }
+ var hash;
+ var loop = function(key) {
+ if (key === 'class' || key === 'style' || isReservedAttribute(key)) {
+ hash = data;
+ } else {
+ var type = data.attrs && data.attrs.type;
+ hash =
+ asProp || config.mustUseProp(tag, type, key)
+ ? data.domProps || (data.domProps = {})
+ : data.attrs || (data.attrs = {});
+ }
+ if (!(key in hash)) {
+ hash[key] = value[key];
+
+ if (isSync) {
+ var on = data.on || (data.on = {});
+ on['update:' + key] = function($event) {
+ value[key] = $event;
+ };
+ }
+ }
+ };
+
+ for (var key in value) loop(key);
+ }
+ }
+ return data;
+ }
+
+ /* */
+
+ /**
+ * Runtime helper for rendering static trees.
+ */
+ function renderStatic(index, isInFor) {
+ var cached = this._staticTrees || (this._staticTrees = []);
+ var 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,
+ null,
+ 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 (Array.isArray(tree)) {
+ for (var 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)) {
+ 'development' !== 'production' && warn('v-on without argument expects an Object value', this);
+ } else {
+ var on = (data.on = data.on ? extend({}, data.on) : {});
+ for (var key in value) {
+ var existing = on[key];
+ var ours = value[key];
+ on[key] = existing ? [].concat(existing, ours) : ours;
+ }
+ }
+ }
+ return data;
+ }
+
+ /* */
+
+ 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;
+ }
+
+ /* */
+
+ function FunctionalRenderContext(data, props, children, parent, Ctor) {
+ var options = Ctor.options;
+ // ensure the createElement function in functional components
+ // gets a unique context - this is necessary for correct named slot check
+ var contextVm;
+ if (hasOwn(parent, '_uid')) {
+ contextVm = Object.create(parent);
+ // $flow-disable-line
+ 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;
+ // $flow-disable-line
+ parent = parent._original;
+ }
+ var isCompiled = isTrue(options._compiled);
+ var 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 = function() {
+ return resolveSlots(children, parent);
+ };
+
+ // 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 = data.scopedSlots || emptyObject;
+ }
+
+ if (options._scopeId) {
+ this._c = function(a, b, c, d) {
+ var vnode = createElement(contextVm, a, b, c, d, needNormalization);
+ if (vnode && !Array.isArray(vnode)) {
+ vnode.fnScopeId = options._scopeId;
+ vnode.fnContext = parent;
+ }
+ return vnode;
+ };
+ } else {
+ this._c = function(a, b, c, d) {
+ return createElement(contextVm, a, b, c, d, needNormalization);
+ };
+ }
+ }
+
+ installRenderHelpers(FunctionalRenderContext.prototype);
+
+ function createFunctionalComponent(Ctor, propsData, data, contextVm, children) {
+ var options = Ctor.options;
+ var props = {};
+ var propOptions = options.props;
+ if (isDef(propOptions)) {
+ for (var 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);
+ }
+ }
+
+ var renderContext = new FunctionalRenderContext(data, props, children, contextVm, Ctor);
+
+ var vnode = options.render.call(null, renderContext._c, renderContext);
+
+ if (vnode instanceof VNode) {
+ return cloneAndMarkFunctionalResult(vnode, data, renderContext.parent, options);
+ } else if (Array.isArray(vnode)) {
+ var vnodes = normalizeChildren(vnode) || [];
+ var res = new Array(vnodes.length);
+ for (var i = 0; i < vnodes.length; i++) {
+ res[i] = cloneAndMarkFunctionalResult(vnodes[i], data, renderContext.parent, options);
+ }
+ return res;
+ }
+ }
+
+ function cloneAndMarkFunctionalResult(vnode, data, contextVm, options) {
+ // #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.
+ var clone = cloneVNode(vnode);
+ clone.fnContext = contextVm;
+ clone.fnOptions = options;
+ if (data.slot) {
+ (clone.data || (clone.data = {})).slot = data.slot;
+ }
+ return clone;
+ }
+
+ function mergeProps(to, from) {
+ for (var key in from) {
+ to[camelize(key)] = from[key];
+ }
+ }
+
+ /* */
+
+ // Register the component hook to weex native render engine.
+ // The hook will be triggered by native, not javascript.
+
+ // Updates the state of the component to weex native render engine.
+
+ /* */
+
+ // https://github.com/Hanks10100/weex-native-directive/tree/master/component
+
+ // listening on native callback
+
+ /* */
+
+ /* */
+
+ // inline hooks to be invoked on component VNodes during patch
+ var componentVNodeHooks = {
+ init: function init(vnode, hydrating, parentElm, refElm) {
+ if (vnode.componentInstance && !vnode.componentInstance._isDestroyed && vnode.data.keepAlive) {
+ // kept-alive components, treat as a patch
+ var mountedNode = vnode; // work around flow
+ componentVNodeHooks.prepatch(mountedNode, mountedNode);
+ } else {
+ var child = (vnode.componentInstance = createComponentInstanceForVnode(
+ vnode,
+ activeInstance,
+ parentElm,
+ refElm
+ ));
+ child.$mount(hydrating ? vnode.elm : undefined, hydrating);
+ }
+ },
+
+ prepatch: function prepatch(oldVnode, vnode) {
+ var options = vnode.componentOptions;
+ var child = (vnode.componentInstance = oldVnode.componentInstance);
+ updateChildComponent(
+ child,
+ options.propsData, // updated props
+ options.listeners, // updated listeners
+ vnode, // new parent vnode
+ options.children // new children
+ );
+ },
+
+ insert: function insert(vnode) {
+ var context = vnode.context;
+ var componentInstance = vnode.componentInstance;
+ if (!componentInstance._isMounted) {
+ componentInstance._isMounted = true;
+ callHook(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: function destroy(vnode) {
+ var componentInstance = vnode.componentInstance;
+ if (!componentInstance._isDestroyed) {
+ if (!vnode.data.keepAlive) {
+ componentInstance.$destroy();
+ } else {
+ deactivateChildComponent(componentInstance, true /* direct */);
+ }
+ }
+ }
+ };
+
+ var hooksToMerge = Object.keys(componentVNodeHooks);
+
+ function createComponent(Ctor, data, context, children, tag) {
+ if (isUndef(Ctor)) {
+ return;
+ }
+
+ var 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
+ var asyncFactory;
+ if (isUndef(Ctor.cid)) {
+ asyncFactory = Ctor;
+ Ctor = resolveAsyncComponent(asyncFactory, baseCtor, context);
+ 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)) {
+ transformModel(Ctor.options, data);
+ }
+
+ // extract props
+ var propsData = extractPropsFromVNodeData(data, Ctor, tag);
+
+ // functional component
+ 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
+ var listeners = data.on;
+ // replace with listeners with .native modifier
+ // so it gets processed during parent component patch.
+ data.on = data.nativeOn;
+
+ if (isTrue(Ctor.options.abstract)) {
+ // abstract components do not keep anything
+ // other than props & listeners & slot
+
+ // work around flow
+ var slot = data.slot;
+ data = {};
+ if (slot) {
+ data.slot = slot;
+ }
+ }
+
+ // install component management hooks onto the placeholder node
+ installComponentHooks(data);
+
+ // return a placeholder vnode
+ var name = Ctor.options.name || tag;
+ var vnode = new VNode(
+ 'vue-component-' + Ctor.cid + (name ? '-' + name : ''),
+ data,
+ undefined,
+ undefined,
+ undefined,
+ context,
+ { Ctor: Ctor, propsData: propsData, listeners: listeners, tag: tag, children: children },
+ asyncFactory
+ );
+
+ // Weex specific: invoke recycle-list optimized @render function for
+ // extracting cell-slot template.
+ // https://github.com/Hanks10100/weex-native-directive/tree/master/component
+ /* istanbul ignore if */
+ return vnode;
+ }
+
+ function createComponentInstanceForVnode(
+ vnode, // we know it's MountedComponentVNode but flow doesn't
+ parent, // activeInstance in lifecycle state
+ parentElm,
+ refElm
+ ) {
+ var options = {
+ _isComponent: true,
+ parent: parent,
+ _parentVnode: vnode,
+ _parentElm: parentElm || null,
+ _refElm: refElm || null
+ };
+ // check inline-template render functions
+ var inlineTemplate = vnode.data.inlineTemplate;
+ if (isDef(inlineTemplate)) {
+ options.render = inlineTemplate.render;
+ options.staticRenderFns = inlineTemplate.staticRenderFns;
+ }
+ return new vnode.componentOptions.Ctor(options);
+ }
+
+ function installComponentHooks(data) {
+ var hooks = data.hook || (data.hook = {});
+ for (var i = 0; i < hooksToMerge.length; i++) {
+ var key = hooksToMerge[i];
+ hooks[key] = componentVNodeHooks[key];
+ }
+ }
+
+ // transform component v-model info (value and callback) into
+ // prop and event handler respectively.
+ function transformModel(options, data) {
+ var prop = (options.model && options.model.prop) || 'value';
+ var event = (options.model && options.model.event) || 'input';
+ (data.props || (data.props = {}))[prop] = data.model.value;
+ var on = data.on || (data.on = {});
+ if (isDef(on[event])) {
+ on[event] = [data.model.callback].concat(on[event]);
+ } else {
+ on[event] = data.model.callback;
+ }
+ }
+
+ /* */
+
+ var SIMPLE_NORMALIZE = 1;
+ var ALWAYS_NORMALIZE = 2;
+
+ // wrapper function for providing a more flexible interface
+ // without getting yelled at by flow
+ function createElement(context, tag, data, children, normalizationType, alwaysNormalize) {
+ if (Array.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__)) {
+ 'development' !== 'production' &&
+ 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 ('development' !== 'production' && 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 (Array.isArray(children) && typeof children[0] === 'function') {
+ 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);
+ }
+ var vnode, ns;
+ if (typeof tag === 'string') {
+ var Ctor;
+ ns = (context.$vnode && context.$vnode.ns) || config.getTagNamespace(tag);
+ if (config.isReservedTag(tag)) {
+ // platform built-in elements
+ vnode = new VNode(config.parsePlatformTagName(tag), data, children, undefined, undefined, context);
+ } else if (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 (Array.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 (var i = 0, l = vnode.children.length; i < l; i++) {
+ var 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);
+ }
+ }
+
+ /* */
+
+ function initRender(vm) {
+ vm._vnode = null; // the root of the child tree
+ vm._staticTrees = null; // v-once cached trees
+ var options = vm.$options;
+ var parentVnode = (vm.$vnode = options._parentVnode); // the placeholder node in parent tree
+ var renderContext = parentVnode && parentVnode.context;
+ vm.$slots = resolveSlots(options._renderChildren, renderContext);
+ vm.$scopedSlots = 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
+ vm._c = function(a, b, c, d) {
+ return createElement(vm, a, b, c, d, false);
+ };
+ // normalization is always applied for the public version, used in
+ // user-written render functions.
+ vm.$createElement = function(a, b, c, d) {
+ return createElement(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
+ var parentData = parentVnode && parentVnode.data;
+
+ /* istanbul ignore else */
+ {
+ defineReactive(
+ vm,
+ '$attrs',
+ (parentData && parentData.attrs) || emptyObject,
+ function() {
+ !isUpdatingChildComponent && warn('$attrs is readonly.', vm);
+ },
+ true
+ );
+ defineReactive(
+ vm,
+ '$listeners',
+ options._parentListeners || emptyObject,
+ function() {
+ !isUpdatingChildComponent && warn('$listeners is readonly.', vm);
+ },
+ true
+ );
+ }
+ }
+
+ function renderMixin(Vue) {
+ // install runtime convenience helpers
+ installRenderHelpers(Vue.prototype);
+
+ Vue.prototype.$nextTick = function(fn) {
+ return nextTick(fn, this);
+ };
+
+ Vue.prototype._render = function() {
+ var vm = this;
+ var ref = vm.$options;
+ var render = ref.render;
+ var _parentVnode = ref._parentVnode;
+
+ // reset _rendered flag on slots for duplicate slot check
+ {
+ for (var key in vm.$slots) {
+ // $flow-disable-line
+ vm.$slots[key]._rendered = false;
+ }
+ }
+
+ if (_parentVnode) {
+ vm.$scopedSlots = _parentVnode.data.scopedSlots || emptyObject;
+ }
+
+ // set parent vnode. this allows render functions to have access
+ // to the data on the placeholder node.
+ vm.$vnode = _parentVnode;
+ // render self
+ var vnode;
+ try {
+ 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;
+ }
+ }
+ }
+ // return empty vnode in case the render function errored out
+ if (!(vnode instanceof VNode)) {
+ if ('development' !== 'production' && Array.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;
+ };
+ }
+
+ /* */
+
+ var uid$3 = 0;
+
+ function initMixin(Vue) {
+ Vue.prototype._init = function(options) {
+ var vm = this;
+ // a uid
+ vm._uid = uid$3++;
+
+ var startTag, endTag;
+ /* istanbul ignore if */
+ if ('development' !== 'production' && config.performance && mark) {
+ startTag = 'vue-perf-start:' + vm._uid;
+ endTag = 'vue-perf-end:' + vm._uid;
+ mark(startTag);
+ }
+
+ // a flag to avoid this being observed
+ vm._isVue = 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(vm, 'beforeCreate');
+ initInjections(vm); // resolve injections before data/props
+ initState(vm);
+ initProvide(vm); // resolve provide after data/props
+ callHook(vm, 'created');
+
+ /* istanbul ignore if */
+ if ('development' !== 'production' && 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) {
+ var opts = (vm.$options = Object.create(vm.constructor.options));
+ // doing this because it's faster than dynamic enumeration.
+ var parentVnode = options._parentVnode;
+ opts.parent = options.parent;
+ opts._parentVnode = parentVnode;
+ opts._parentElm = options._parentElm;
+ opts._refElm = options._refElm;
+
+ var 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) {
+ var options = Ctor.options;
+ if (Ctor.super) {
+ var superOptions = resolveConstructorOptions(Ctor.super);
+ var 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)
+ var 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) {
+ var modified;
+ var latest = Ctor.options;
+ var extended = Ctor.extendOptions;
+ var sealed = Ctor.sealedOptions;
+ for (var key in latest) {
+ if (latest[key] !== sealed[key]) {
+ if (!modified) {
+ modified = {};
+ }
+ modified[key] = dedupe(latest[key], extended[key], sealed[key]);
+ }
+ }
+ return modified;
+ }
+
+ function dedupe(latest, extended, sealed) {
+ // compare latest and sealed to ensure lifecycle hooks won't be duplicated
+ // between merges
+ if (Array.isArray(latest)) {
+ var res = [];
+ sealed = Array.isArray(sealed) ? sealed : [sealed];
+ extended = Array.isArray(extended) ? extended : [extended];
+ for (var i = 0; i < latest.length; i++) {
+ // push original options and not sealed options to exclude duplicated options
+ if (extended.indexOf(latest[i]) >= 0 || sealed.indexOf(latest[i]) < 0) {
+ res.push(latest[i]);
+ }
+ }
+ return res;
+ } else {
+ return latest;
+ }
+ }
+
+ function Vue(options) {
+ if ('development' !== 'production' && !(this instanceof Vue)) {
+ warn('Vue is a constructor and should be called with the `new` keyword');
+ }
+ this._init(options);
+ }
+
+ initMixin(Vue);
+ stateMixin(Vue);
+ eventsMixin(Vue);
+ lifecycleMixin(Vue);
+ renderMixin(Vue);
+
+ /* */
+
+ function initUse(Vue) {
+ Vue.use = function(plugin) {
+ var installedPlugins = this._installedPlugins || (this._installedPlugins = []);
+ if (installedPlugins.indexOf(plugin) > -1) {
+ return this;
+ }
+
+ // additional parameters
+ var args = toArray(arguments, 1);
+ args.unshift(this);
+ if (typeof plugin.install === 'function') {
+ plugin.install.apply(plugin, args);
+ } else if (typeof plugin === 'function') {
+ plugin.apply(null, args);
+ }
+ installedPlugins.push(plugin);
+ return this;
+ };
+ }
+
+ /* */
+
+ function initMixin$1(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;
+ var cid = 1;
+
+ /**
+ * Class inheritance
+ */
+ Vue.extend = function(extendOptions) {
+ extendOptions = extendOptions || {};
+ var Super = this;
+ var SuperId = Super.cid;
+ var cachedCtors = extendOptions._Ctor || (extendOptions._Ctor = {});
+ if (cachedCtors[SuperId]) {
+ return cachedCtors[SuperId];
+ }
+
+ var name = extendOptions.name || Super.options.name;
+ if ('development' !== 'production' && name) {
+ validateComponentName(name);
+ }
+
+ var 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$1(Sub);
+ }
+ if (Sub.options.computed) {
+ initComputed$1(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$1(Comp) {
+ var props = Comp.options.props;
+ for (var key in props) {
+ proxy(Comp.prototype, '_props', key);
+ }
+ }
+
+ function initComputed$1(Comp) {
+ var computed = Comp.options.computed;
+ for (var key in computed) {
+ defineComputed(Comp.prototype, key, computed[key]);
+ }
+ }
+
+ /* */
+
+ function initAssetRegisters(Vue) {
+ /**
+ * Create asset registration methods.
+ */
+ ASSET_TYPES.forEach(function(type) {
+ Vue[type] = function(id, definition) {
+ if (!definition) {
+ return this.options[type + 's'][id];
+ } else {
+ /* istanbul ignore if */
+ if ('development' !== 'production' && type === 'component') {
+ validateComponentName(id);
+ }
+ if (type === 'component' && isPlainObject(definition)) {
+ definition.name = definition.name || id;
+ definition = this.options._base.extend(definition);
+ }
+ if (type === 'directive' && typeof definition === 'function') {
+ definition = { bind: definition, update: definition };
+ }
+ this.options[type + 's'][id] = definition;
+ return definition;
+ }
+ };
+ });
+ }
+
+ /* */
+
+ function getComponentName(opts) {
+ return opts && (opts.Ctor.options.name || opts.tag);
+ }
+
+ function matches(pattern, name) {
+ if (Array.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) {
+ var cache = keepAliveInstance.cache;
+ var keys = keepAliveInstance.keys;
+ var _vnode = keepAliveInstance._vnode;
+ for (var key in cache) {
+ var cachedNode = cache[key];
+ if (cachedNode) {
+ var name = getComponentName(cachedNode.componentOptions);
+ if (name && !filter(name)) {
+ pruneCacheEntry(cache, key, keys, _vnode);
+ }
+ }
+ }
+ }
+
+ function pruneCacheEntry(cache, key, keys, current) {
+ var cached$$1 = cache[key];
+ if (cached$$1 && (!current || cached$$1.tag !== current.tag)) {
+ cached$$1.componentInstance.$destroy();
+ }
+ cache[key] = null;
+ remove(keys, key);
+ }
+
+ var patternTypes = [String, RegExp, Array];
+
+ var KeepAlive = {
+ name: 'keep-alive',
+ abstract: true,
+
+ props: {
+ include: patternTypes,
+ exclude: patternTypes,
+ max: [String, Number]
+ },
+
+ created: function created() {
+ this.cache = Object.create(null);
+ this.keys = [];
+ },
+
+ destroyed: function destroyed() {
+ var this$1 = this;
+
+ for (var key in this$1.cache) {
+ pruneCacheEntry(this$1.cache, key, this$1.keys);
+ }
+ },
+
+ mounted: function mounted() {
+ var this$1 = this;
+
+ this.$watch('include', function(val) {
+ pruneCache(this$1, function(name) {
+ return matches(val, name);
+ });
+ });
+ this.$watch('exclude', function(val) {
+ pruneCache(this$1, function(name) {
+ return !matches(val, name);
+ });
+ });
+ },
+
+ render: function render() {
+ var slot = this.$slots.default;
+ var vnode = getFirstComponentChild(slot);
+ var componentOptions = vnode && vnode.componentOptions;
+ if (componentOptions) {
+ // check pattern
+ var name = getComponentName(componentOptions);
+ var ref = this;
+ var include = ref.include;
+ var exclude = ref.exclude;
+ if (
+ // not included
+ (include && (!name || !matches(include, name))) ||
+ // excluded
+ (exclude && name && matches(exclude, name))
+ ) {
+ return vnode;
+ }
+
+ var ref$1 = this;
+ var cache = ref$1.cache;
+ var keys = ref$1.keys;
+ var 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(keys, key);
+ keys.push(key);
+ } else {
+ cache[key] = vnode;
+ keys.push(key);
+ // prune oldest entry
+ if (this.max && keys.length > parseInt(this.max)) {
+ pruneCacheEntry(cache, keys[0], keys, this._vnode);
+ }
+ }
+
+ vnode.data.keepAlive = true;
+ }
+ return vnode || (slot && slot[0]);
+ }
+ };
+
+ var builtInComponents = {
+ KeepAlive: KeepAlive
+ };
+
+ /* */
+
+ function initGlobalAPI(Vue) {
+ // config
+ var configDef = {};
+ configDef.get = function() {
+ return config;
+ };
+ {
+ configDef.set = function() {
+ 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: warn,
+ extend: extend,
+ mergeOptions: mergeOptions,
+ defineReactive: defineReactive
+ };
+
+ Vue.set = set;
+ Vue.delete = del;
+ Vue.nextTick = nextTick;
+
+ Vue.options = Object.create(null);
+ ASSET_TYPES.forEach(function(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$1(Vue);
+ initExtend(Vue);
+ initAssetRegisters(Vue);
+ }
+
+ initGlobalAPI(Vue);
+
+ Object.defineProperty(Vue.prototype, '$isServer', {
+ get: isServerRendering
+ });
+
+ Object.defineProperty(Vue.prototype, '$ssrContext', {
+ get: function 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 = '2.5.16';
+
+ /* */
+
+ // these are reserved for web because they are directly compiled away
+ // during template compilation
+ var isReservedAttr = makeMap('style,class');
+
+ // attributes that should be using props for binding
+ var acceptValue = makeMap('input,textarea,option,select,progress');
+ var mustUseProp = function(tag, type, attr) {
+ return (
+ (attr === 'value' && acceptValue(tag) && type !== 'button') ||
+ (attr === 'selected' && tag === 'option') ||
+ (attr === 'checked' && tag === 'input') ||
+ (attr === 'muted' && tag === 'video')
+ );
+ };
+
+ var isEnumeratedAttr = makeMap('contenteditable,draggable,spellcheck');
+
+ var 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,translate,' +
+ 'truespeed,typemustmatch,visible'
+ );
+
+ var xlinkNS = 'http://www.w3.org/1999/xlink';
+
+ var isXlink = function(name) {
+ return name.charAt(5) === ':' && name.slice(0, 5) === 'xlink';
+ };
+
+ var getXlinkProp = function(name) {
+ return isXlink(name) ? name.slice(6, name.length) : '';
+ };
+
+ var isFalsyAttrValue = function(val) {
+ return val == null || val === false;
+ };
+
+ /* */
+
+ function genClassForVnode(vnode) {
+ var data = vnode.data;
+ var parentNode = vnode;
+ var childNode = vnode;
+ while (isDef(childNode.componentInstance)) {
+ childNode = childNode.componentInstance._vnode;
+ if (childNode && childNode.data) {
+ data = mergeClassData(childNode.data, data);
+ }
+ }
+ 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) {
+ var res = '';
+ var stringified;
+ for (var 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) {
+ var res = '';
+ for (var key in value) {
+ if (value[key]) {
+ if (res) {
+ res += ' ';
+ }
+ res += key;
+ }
+ }
+ return res;
+ }
+
+ /* */
+
+ var namespaceMap = {
+ svg: 'http://www.w3.org/2000/svg',
+ math: 'http://www.w3.org/1998/Math/MathML'
+ };
+
+ var 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.
+ var 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
+ );
+
+ var isPreTag = function(tag) {
+ return tag === 'pre';
+ };
+
+ var isReservedTag = function(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';
+ }
+ }
+
+ var 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];
+ }
+ var el = document.createElement(tag);
+ if (tag.indexOf('-') > -1) {
+ // http://stackoverflow.com/a/28210364/1070244
+ return (unknownElementCache[tag] =
+ el.constructor === window.HTMLUnknownElement || el.constructor === window.HTMLElement);
+ } else {
+ return (unknownElementCache[tag] = /HTMLUnknownElement/.test(el.toString()));
+ }
+ }
+
+ var 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') {
+ var selected = document.querySelector(el);
+ if (!selected) {
+ 'development' !== 'production' && warn('Cannot find element: ' + el);
+ return document.createElement('div');
+ }
+ return selected;
+ } else {
+ return el;
+ }
+ }
+
+ /* */
+
+ function createElement$1(tagName, vnode) {
+ var 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 = Object.freeze({
+ createElement: createElement$1,
+ 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: function create(_, vnode) {
+ registerRef(vnode);
+ },
+ update: function update(oldVnode, vnode) {
+ if (oldVnode.data.ref !== vnode.data.ref) {
+ registerRef(oldVnode, true);
+ registerRef(vnode);
+ }
+ },
+ destroy: function destroy(vnode) {
+ registerRef(vnode, true);
+ }
+ };
+
+ function registerRef(vnode, isRemoval) {
+ var key = vnode.data.ref;
+ if (!isDef(key)) {
+ return;
+ }
+
+ var vm = vnode.context;
+ var ref = vnode.componentInstance || vnode.elm;
+ var refs = vm.$refs;
+ if (isRemoval) {
+ if (Array.isArray(refs[key])) {
+ remove(refs[key], ref);
+ } else if (refs[key] === ref) {
+ refs[key] = undefined;
+ }
+ } else {
+ if (vnode.data.refInFor) {
+ if (!Array.isArray(refs[key])) {
+ refs[key] = [ref];
+ } else if (refs[key].indexOf(ref) < 0) {
+ // $flow-disable-line
+ refs[key].push(ref);
+ }
+ } else {
+ refs[key] = ref;
+ }
+ }
+ }
+
+ /**
+ * 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.
+ */
+
+ var emptyNode = new VNode('', {}, []);
+
+ var hooks = ['create', 'activate', 'update', 'remove', 'destroy'];
+
+ function sameVnode(a, b) {
+ return (
+ a.key === b.key &&
+ ((a.tag === b.tag &&
+ a.isComment === b.isComment &&
+ isDef(a.data) === isDef(b.data) &&
+ sameInputType(a, b)) ||
+ (isTrue(a.isAsyncPlaceholder) && a.asyncFactory === b.asyncFactory && isUndef(b.asyncFactory.error)))
+ );
+ }
+
+ function sameInputType(a, b) {
+ if (a.tag !== 'input') {
+ return true;
+ }
+ var i;
+ var typeA = isDef((i = a.data)) && isDef((i = i.attrs)) && i.type;
+ var typeB = isDef((i = b.data)) && isDef((i = i.attrs)) && i.type;
+ return typeA === typeB || (isTextInputType(typeA) && isTextInputType(typeB));
+ }
+
+ function createKeyToOldIdx(children, beginIdx, endIdx) {
+ var i, key;
+ var map = {};
+ for (i = beginIdx; i <= endIdx; ++i) {
+ key = children[i].key;
+ if (isDef(key)) {
+ map[key] = i;
+ }
+ }
+ return map;
+ }
+
+ function createPatchFunction(backend) {
+ var i, j;
+ var cbs = {};
+
+ var modules = backend.modules;
+ var nodeOps = backend.nodeOps;
+
+ 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) {
+ var 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$$1(vnode, inVPre) {
+ return (
+ !inVPre &&
+ !vnode.ns &&
+ !(
+ config.ignoredElements.length &&
+ config.ignoredElements.some(function(ignore) {
+ return isRegExp(ignore) ? ignore.test(vnode.tag) : ignore === vnode.tag;
+ })
+ ) &&
+ config.isUnknownElement(vnode.tag)
+ );
+ }
+
+ var 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;
+ }
+
+ var data = vnode.data;
+ var children = vnode.children;
+ var tag = vnode.tag;
+ if (isDef(tag)) {
+ {
+ if (data && data.pre) {
+ creatingElmInVPre++;
+ }
+ if (isUnknownElement$$1(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);
+
+ /* istanbul ignore if */
+ {
+ createChildren(vnode, children, insertedVnodeQueue);
+ if (isDef(data)) {
+ invokeCreateHooks(vnode, insertedVnodeQueue);
+ }
+ insert(parentElm, vnode.elm, refElm);
+ }
+
+ if ('development' !== 'production' && 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) {
+ var i = vnode.data;
+ if (isDef(i)) {
+ var isReactivated = isDef(vnode.componentInstance) && i.keepAlive;
+ if (isDef((i = i.hook)) && isDef((i = i.init))) {
+ i(vnode, false /* hydrating */, parentElm, refElm);
+ }
+ // 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);
+ 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) {
+ var 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.
+ var 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$$1) {
+ if (isDef(parent)) {
+ if (isDef(ref$$1)) {
+ if (ref$$1.parentNode === parent) {
+ nodeOps.insertBefore(parent, elm, ref$$1);
+ }
+ } else {
+ nodeOps.appendChild(parent, elm);
+ }
+ }
+ }
+
+ function createChildren(vnode, children, insertedVnodeQueue) {
+ if (Array.isArray(children)) {
+ {
+ checkDuplicateKeys(children);
+ }
+ for (var 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 (var i$1 = 0; i$1 < cbs.create.length; ++i$1) {
+ cbs.create[i$1](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) {
+ var i;
+ if (isDef((i = vnode.fnScopeId))) {
+ nodeOps.setStyleScope(vnode.elm, i);
+ } else {
+ var 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) {
+ var i, j;
+ var 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(parentElm, vnodes, startIdx, endIdx) {
+ for (; startIdx <= endIdx; ++startIdx) {
+ var 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)) {
+ var i;
+ var 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) {
+ var oldStartIdx = 0;
+ var newStartIdx = 0;
+ var oldEndIdx = oldCh.length - 1;
+ var oldStartVnode = oldCh[0];
+ var oldEndVnode = oldCh[oldEndIdx];
+ var newEndIdx = newCh.length - 1;
+ var newStartVnode = newCh[0];
+ var newEndVnode = newCh[newEndIdx];
+ var oldKeyToIdx, idxInOld, vnodeToMove, refElm;
+
+ // removeOnly is a special flag used only by
+ // to ensure removed elements stay in correct relative positions
+ // during leaving transitions
+ var 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);
+ oldStartVnode = oldCh[++oldStartIdx];
+ newStartVnode = newCh[++newStartIdx];
+ } else if (sameVnode(oldEndVnode, newEndVnode)) {
+ patchVnode(oldEndVnode, newEndVnode, insertedVnodeQueue);
+ oldEndVnode = oldCh[--oldEndIdx];
+ newEndVnode = newCh[--newEndIdx];
+ } else if (sameVnode(oldStartVnode, newEndVnode)) {
+ // Vnode moved right
+ patchVnode(oldStartVnode, newEndVnode, insertedVnodeQueue);
+ 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);
+ 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);
+ 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(parentElm, oldCh, oldStartIdx, oldEndIdx);
+ }
+ }
+
+ function checkDuplicateKeys(children) {
+ var seenKeys = {};
+ for (var i = 0; i < children.length; i++) {
+ var vnode = children[i];
+ var 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 (var i = start; i < end; i++) {
+ var c = oldCh[i];
+ if (isDef(c) && sameVnode(node, c)) {
+ return i;
+ }
+ }
+ }
+
+ function patchVnode(oldVnode, vnode, insertedVnodeQueue, removeOnly) {
+ if (oldVnode === vnode) {
+ return;
+ }
+
+ var 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;
+ }
+
+ var i;
+ var data = vnode.data;
+ if (isDef(data) && isDef((i = data.hook)) && isDef((i = i.prepatch))) {
+ i(oldVnode, vnode);
+ }
+
+ var oldCh = oldVnode.children;
+ var 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)) {
+ if (isDef(oldVnode.text)) {
+ nodeOps.setTextContent(elm, '');
+ }
+ addVnodes(elm, null, ch, 0, ch.length - 1, insertedVnodeQueue);
+ } else if (isDef(oldCh)) {
+ removeVnodes(elm, 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 (var i = 0; i < queue.length; ++i) {
+ queue[i].data.hook.insert(queue[i]);
+ }
+ }
+ }
+
+ var 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).
+ var 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) {
+ var i;
+ var tag = vnode.tag;
+ var data = vnode.data;
+ var children = vnode.children;
+ 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 (
+ 'development' !== 'production' &&
+ 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
+ var childrenMatch = true;
+ var childNode = elm.firstChild;
+ for (var i$1 = 0; i$1 < children.length; i$1++) {
+ if (!childNode || !hydrate(childNode, children[i$1], 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 (
+ 'development' !== 'production' &&
+ typeof console !== 'undefined' &&
+ !hydrationBailed
+ ) {
+ hydrationBailed = true;
+ console.warn('Parent: ', elm);
+ console.warn('Mismatching childNodes vs. VNodes: ', elm.childNodes, children);
+ }
+ return false;
+ }
+ }
+ }
+ }
+ if (isDef(data)) {
+ var fullInvoke = false;
+ for (var 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$$1(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, parentElm, refElm) {
+ if (isUndef(vnode)) {
+ if (isDef(oldVnode)) {
+ invokeDestroyHook(oldVnode);
+ }
+ return;
+ }
+
+ var isInitialPatch = false;
+ var insertedVnodeQueue = [];
+
+ if (isUndef(oldVnode)) {
+ // empty mount (likely as component), create new root element
+ isInitialPatch = true;
+ createElm(vnode, insertedVnodeQueue, parentElm, refElm);
+ } else {
+ var isRealElement = isDef(oldVnode.nodeType);
+ if (!isRealElement && sameVnode(oldVnode, vnode)) {
+ // patch existing root node
+ patchVnode(oldVnode, vnode, insertedVnodeQueue, 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 ' +
+ ', or missing
. 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
+ var oldElm = oldVnode.elm;
+ var parentElm$1 = 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$1,
+ nodeOps.nextSibling(oldElm)
+ );
+
+ // update parent placeholder node element, recursively
+ if (isDef(vnode.parent)) {
+ var ancestor = vnode.parent;
+ var patchable = isPatchable(vnode);
+ while (ancestor) {
+ for (var i = 0; i < cbs.destroy.length; ++i) {
+ cbs.destroy[i](ancestor);
+ }
+ ancestor.elm = vnode.elm;
+ if (patchable) {
+ for (var i$1 = 0; i$1 < cbs.create.length; ++i$1) {
+ cbs.create[i$1](emptyNode, ancestor);
+ }
+ // #6513
+ // invoke insert hooks that may have been merged by create hooks.
+ // e.g. for directives that uses the "inserted" hook.
+ var insert = ancestor.data.hook.insert;
+ if (insert.merged) {
+ // start at index 1 to avoid re-invoking component mounted hook
+ for (var i$2 = 1; i$2 < insert.fns.length; i$2++) {
+ insert.fns[i$2]();
+ }
+ }
+ } else {
+ registerRef(ancestor);
+ }
+ ancestor = ancestor.parent;
+ }
+ }
+
+ // destroy old node
+ if (isDef(parentElm$1)) {
+ removeVnodes(parentElm$1, [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) {
+ updateDirectives(vnode, emptyNode);
+ }
+ };
+
+ function updateDirectives(oldVnode, vnode) {
+ if (oldVnode.data.directives || vnode.data.directives) {
+ _update(oldVnode, vnode);
+ }
+ }
+
+ function _update(oldVnode, vnode) {
+ var isCreate = oldVnode === emptyNode;
+ var isDestroy = vnode === emptyNode;
+ var oldDirs = normalizeDirectives$1(oldVnode.data.directives, oldVnode.context);
+ var newDirs = normalizeDirectives$1(vnode.data.directives, vnode.context);
+
+ var dirsWithInsert = [];
+ var dirsWithPostpatch = [];
+
+ var key, oldDir, dir;
+ for (key in newDirs) {
+ oldDir = oldDirs[key];
+ dir = newDirs[key];
+ if (!oldDir) {
+ // new directive, bind
+ callHook$1(dir, 'bind', vnode, oldVnode);
+ if (dir.def && dir.def.inserted) {
+ dirsWithInsert.push(dir);
+ }
+ } else {
+ // existing directive, update
+ dir.oldValue = oldDir.value;
+ callHook$1(dir, 'update', vnode, oldVnode);
+ if (dir.def && dir.def.componentUpdated) {
+ dirsWithPostpatch.push(dir);
+ }
+ }
+ }
+
+ if (dirsWithInsert.length) {
+ var callInsert = function() {
+ for (var i = 0; i < dirsWithInsert.length; i++) {
+ callHook$1(dirsWithInsert[i], 'inserted', vnode, oldVnode);
+ }
+ };
+ if (isCreate) {
+ mergeVNodeHook(vnode, 'insert', callInsert);
+ } else {
+ callInsert();
+ }
+ }
+
+ if (dirsWithPostpatch.length) {
+ mergeVNodeHook(vnode, 'postpatch', function() {
+ for (var i = 0; i < dirsWithPostpatch.length; i++) {
+ callHook$1(dirsWithPostpatch[i], 'componentUpdated', vnode, oldVnode);
+ }
+ });
+ }
+
+ if (!isCreate) {
+ for (key in oldDirs) {
+ if (!newDirs[key]) {
+ // no longer present, unbind
+ callHook$1(oldDirs[key], 'unbind', oldVnode, oldVnode, isDestroy);
+ }
+ }
+ }
+ }
+
+ var emptyModifiers = Object.create(null);
+
+ function normalizeDirectives$1(dirs, vm) {
+ var res = Object.create(null);
+ if (!dirs) {
+ // $flow-disable-line
+ return res;
+ }
+ var i, dir;
+ for (i = 0; i < dirs.length; i++) {
+ dir = dirs[i];
+ if (!dir.modifiers) {
+ // $flow-disable-line
+ dir.modifiers = emptyModifiers;
+ }
+ res[getRawDirName(dir)] = dir;
+ dir.def = resolveAsset(vm.$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$1(dir, hook, vnode, oldVnode, isDestroy) {
+ var 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) {
+ var opts = vnode.componentOptions;
+ if (isDef(opts) && opts.Ctor.options.inheritAttrs === false) {
+ return;
+ }
+ if (isUndef(oldVnode.data.attrs) && isUndef(vnode.data.attrs)) {
+ return;
+ }
+ var key, cur, old;
+ var elm = vnode.elm;
+ var oldAttrs = oldVnode.data.attrs || {};
+ var attrs = vnode.data.attrs || {};
+ // clone observed objects, as the user probably wants to mutate it
+ if (isDef(attrs.__ob__)) {
+ attrs = vnode.data.attrs = extend({}, attrs);
+ }
+
+ for (key in attrs) {
+ cur = attrs[key];
+ old = oldAttrs[key];
+ if (old !== cur) {
+ setAttr(elm, key, cur);
+ }
+ }
+ // #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) {
+ if (el.tagName.indexOf('-') > -1) {
+ baseSetAttr(el, key, value);
+ } else if (isBooleanAttr(key)) {
+ // set attribute for blank value
+ // e.g. Select one
+ if (isFalsyAttrValue(value)) {
+ el.removeAttribute(key);
+ } else {
+ // technically allowfullscreen is a boolean attribute for