packages/vue-server-renderer/build.dev.js
'use strict';
Object.defineProperty(exports, '__esModule', { value: true });
function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }
var he = _interopDefault(require('he'));
/* */
var emptyObject = Object.freeze({});
// These helpers produce better VM code in JS engines due to their
// explicitness and function inlining.
function isUndef (v) {
return v === undefined || v === null
}
function isDef (v) {
return v !== undefined && v !== null
}
function isTrue (v) {
return v === true
}
function isFalse (v) {
return v === false
}
/**
* Check if value is primitive.
*/
function isPrimitive (value) {
return (
typeof value === 'string' ||
typeof value === 'number' ||
// $flow-disable-line
typeof value === 'symbol' ||
typeof value === 'boolean'
)
}
/**
* Quick object check - this is primarily used to tell
* Objects from primitive values when we know the value
* is a JSON-compliant type.
*/
function isObject (obj) {
return obj !== null && typeof obj === 'object'
}
/**
* Get the raw type string of a value, e.g., [object Object].
*/
var _toString = Object.prototype.toString;
function toRawType (value) {
return _toString.call(value).slice(8, -1)
}
/**
* Strict object type check. Only returns true
* for plain JavaScript objects.
*/
function isPlainObject (obj) {
return _toString.call(obj) === '[object Object]'
}
/**
* Check if val is a valid array index.
*/
function isValidArrayIndex (val) {
var n = parseFloat(String(val));
return n >= 0 && Math.floor(n) === n && isFinite(val)
}
function isPromise (val) {
return (
isDef(val) &&
typeof val.then === 'function' &&
typeof val.catch === 'function'
)
}
/**
* Convert a value to a string that is actually rendered.
*/
function toString (val) {
return val == null
? ''
: Array.isArray(val) || (isPlainObject(val) && val.toString === _toString)
? JSON.stringify(val, null, 2)
: String(val)
}
/**
* Convert an input value to a number for persistence.
* If the conversion fails, return original string.
*/
function toNumber (val) {
var n = parseFloat(val);
return isNaN(n) ? val : n
}
/**
* Make a map and return a function for checking if a key
* is in that map.
*/
function makeMap (
str,
expectsLowerCase
) {
var map = Object.create(null);
var list = str.split(',');
for (var i = 0; i < list.length; i++) {
map[list[i]] = true;
}
return expectsLowerCase
? function (val) { return map[val.toLowerCase()]; }
: function (val) { return map[val]; }
}
/**
* Check if a tag is a built-in tag.
*/
var isBuiltInTag = makeMap('slot,component', true);
/**
* Check if an attribute is a reserved attribute.
*/
var isReservedAttribute = makeMap('key,ref,slot,slot-scope,is');
/**
* Remove an item from an array.
*/
function remove (arr, item) {
if (arr.length) {
var index = arr.indexOf(item);
if (index > -1) {
return arr.splice(index, 1)
}
}
}
/**
* Check whether an object has the property.
*/
var hasOwnProperty = Object.prototype.hasOwnProperty;
function hasOwn (obj, key) {
return hasOwnProperty.call(obj, key)
}
/**
* Create a cached version of a pure function.
*/
function cached (fn) {
var cache = Object.create(null);
return (function cachedFn (str) {
var hit = cache[str];
return hit || (cache[str] = fn(str))
})
}
/**
* Camelize a hyphen-delimited string.
*/
var camelizeRE = /-(\w)/g;
var camelize = cached(function (str) {
return str.replace(camelizeRE, function (_, c) { return c ? c.toUpperCase() : ''; })
});
/**
* Capitalize a string.
*/
var capitalize = cached(function (str) {
return str.charAt(0).toUpperCase() + str.slice(1)
});
/**
* Hyphenate a camelCase string.
*/
var hyphenateRE = /\B([A-Z])/g;
var hyphenate = cached(function (str) {
return str.replace(hyphenateRE, '-$1').toLowerCase()
});
/**
* Simple bind polyfill for environments that do not support it,
* e.g., PhantomJS 1.x. Technically, we don't need this anymore
* since native bind is now performant enough in most browsers.
* But removing it would mean breaking code that was able to run in
* PhantomJS 1.x, so this must be kept for backward compatibility.
*/
/* istanbul ignore next */
function polyfillBind (fn, ctx) {
function boundFn (a) {
var l = arguments.length;
return l
? l > 1
? fn.apply(ctx, arguments)
: fn.call(ctx, a)
: fn.call(ctx)
}
boundFn._length = fn.length;
return boundFn
}
function nativeBind (fn, ctx) {
return fn.bind(ctx)
}
var bind = Function.prototype.bind
? nativeBind
: polyfillBind;
/**
* Mix properties into target object.
*/
function extend (to, _from) {
for (var key in _from) {
to[key] = _from[key];
}
return to
}
/**
* Merge an Array of Objects into a single Object.
*/
function toObject (arr) {
var res = {};
for (var i = 0; i < arr.length; i++) {
if (arr[i]) {
extend(res, arr[i]);
}
}
return res
}
/* eslint-disable no-unused-vars */
/**
* Perform no operation.
* Stubbing args to make Flow happy without leaving useless transpiled code
* with ...rest (https://flow.org/blog/2017/05/07/Strict-Function-Call-Arity/).
*/
function noop (a, b, c) {}
/**
* Always return false.
*/
var no = function (a, b, c) { return false; };
/* eslint-enable no-unused-vars */
/**
* Return the same value.
*/
var identity = function (_) { return _; };
/**
* Generate a string containing static keys from compiler modules.
*/
function genStaticKeys (modules) {
return modules.reduce(function (keys, m) {
return keys.concat(m.staticKeys || [])
}, []).join(',')
}
/**
* Check if two values are loosely equal - that is,
* if they are plain objects, do they have the same shape?
*/
function looseEqual (a, b) {
if (a === b) { return true }
var isObjectA = isObject(a);
var isObjectB = isObject(b);
if (isObjectA && isObjectB) {
try {
var isArrayA = Array.isArray(a);
var isArrayB = Array.isArray(b);
if (isArrayA && isArrayB) {
return a.length === b.length && a.every(function (e, i) {
return looseEqual(e, b[i])
})
} else if (a instanceof Date && b instanceof Date) {
return a.getTime() === b.getTime()
} else if (!isArrayA && !isArrayB) {
var keysA = Object.keys(a);
var keysB = Object.keys(b);
return keysA.length === keysB.length && keysA.every(function (key) {
return looseEqual(a[key], b[key])
})
} else {
/* istanbul ignore next */
return false
}
} catch (e) {
/* istanbul ignore next */
return false
}
} else if (!isObjectA && !isObjectB) {
return String(a) === String(b)
} else {
return false
}
}
/**
* Return the first index at which a loosely equal value can be
* found in the array (if value is a plain object, the array must
* contain an object of the same shape), or -1 if it is not present.
*/
function looseIndexOf (arr, val) {
for (var i = 0; i < arr.length; i++) {
if (looseEqual(arr[i], val)) { return i }
}
return -1
}
/**
* Ensure a function is called only once.
*/
function once (fn) {
var called = false;
return function () {
if (!called) {
called = true;
fn.apply(this, arguments);
}
}
}
/* */
var isAttr = makeMap(
'accept,accept-charset,accesskey,action,align,alt,async,autocomplete,' +
'autofocus,autoplay,autosave,bgcolor,border,buffered,challenge,charset,' +
'checked,cite,class,code,codebase,color,cols,colspan,content,' +
'contenteditable,contextmenu,controls,coords,data,datetime,default,' +
'defer,dir,dirname,disabled,download,draggable,dropzone,enctype,for,' +
'form,formaction,headers,height,hidden,high,href,hreflang,http-equiv,' +
'icon,id,ismap,itemprop,keytype,kind,label,lang,language,list,loop,low,' +
'manifest,max,maxlength,media,method,GET,POST,min,multiple,email,file,' +
'muted,name,novalidate,open,optimum,pattern,ping,placeholder,poster,' +
'preload,radiogroup,readonly,rel,required,reversed,rows,rowspan,sandbox,' +
'scope,scoped,seamless,selected,shape,size,type,text,password,sizes,span,' +
'spellcheck,src,srcdoc,srclang,srcset,start,step,style,summary,tabindex,' +
'target,title,usemap,value,width,wrap'
);
var unsafeAttrCharRE = /[>/="'\u0009\u000a\u000c\u0020]/; // eslint-disable-line no-control-regex
var isSSRUnsafeAttr = function (name) {
return unsafeAttrCharRE.test(name)
};
/* istanbul ignore next */
var isRenderableAttr = function (name) {
return (
isAttr(name) ||
name.indexOf('data-') === 0 ||
name.indexOf('aria-') === 0
)
};
var propsToAttrMap = {
acceptCharset: 'accept-charset',
className: 'class',
htmlFor: 'for',
httpEquiv: 'http-equiv'
};
var ESC = {
'<': '<',
'>': '>',
'"': '"',
'&': '&'
};
function escape (s) {
return s.replace(/[<>"&]/g, escapeChar)
}
function escapeChar (a) {
return ESC[a] || a
}
var noUnitNumericStyleProps = {
"animation-iteration-count": true,
"border-image-outset": true,
"border-image-slice": true,
"border-image-width": true,
"box-flex": true,
"box-flex-group": true,
"box-ordinal-group": true,
"column-count": true,
"columns": true,
"flex": true,
"flex-grow": true,
"flex-positive": true,
"flex-shrink": true,
"flex-negative": true,
"flex-order": true,
"grid-row": true,
"grid-row-end": true,
"grid-row-span": true,
"grid-row-start": true,
"grid-column": true,
"grid-column-end": true,
"grid-column-span": true,
"grid-column-start": true,
"font-weight": true,
"line-clamp": true,
"line-height": true,
"opacity": true,
"order": true,
"orphans": true,
"tab-size": true,
"widows": true,
"z-index": true,
"zoom": true,
// SVG
"fill-opacity": true,
"flood-opacity": true,
"stop-opacity": true,
"stroke-dasharray": true,
"stroke-dashoffset": true,
"stroke-miterlimit": true,
"stroke-opacity": true,
"stroke-width": true
};
/* */
// 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 isValidContentEditableValue = makeMap('events,caret,typing,plaintext-only');
var convertEnumeratedValue = function (key, value) {
return isFalsyAttrValue(value) || value === 'false'
? 'false'
// allow arbitrary string value for contenteditable
: key === 'contenteditable' && isValidContentEditableValue(value)
? value
: 'true'
};
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,' +
'truespeed,typemustmatch,visible'
);
var isFalsyAttrValue = function (val) {
return val == null || val === false
};
/* */
function renderAttrs (node) {
var attrs = node.data.attrs;
var res = '';
var opts = node.parent && node.parent.componentOptions;
if (isUndef(opts) || opts.Ctor.options.inheritAttrs !== false) {
var parent = node.parent;
while (isDef(parent)) {
// Stop fallthrough in case parent has inheritAttrs option set to false
if (parent.componentOptions && parent.componentOptions.Ctor.options.inheritAttrs === false) {
break;
}
if (isDef(parent.data) && isDef(parent.data.attrs)) {
attrs = extend(extend({}, attrs), parent.data.attrs);
}
parent = parent.parent;
}
}
if (isUndef(attrs)) {
return res
}
for (var key in attrs) {
if (isSSRUnsafeAttr(key)) {
continue
}
if (key === 'style') {
// leave it to the style module
continue
}
res += renderAttr(key, attrs[key]);
}
return res
}
function renderAttr (key, value) {
if (isBooleanAttr(key)) {
if (!isFalsyAttrValue(value)) {
return (" " + key + "=\"" + key + "\"")
}
} else if (isEnumeratedAttr(key)) {
return (" " + key + "=\"" + (escape(convertEnumeratedValue(key, value))) + "\"")
} else if (!isFalsyAttrValue(value)) {
return (" " + key + "=\"" + (escape(String(value))) + "\"")
}
return ''
}
/* */
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,
// #7975
// clone children array to avoid mutating original in case of cloning
// a child.
vnode.children && vnode.children.slice(),
vnode.text,
vnode.elm,
vnode.context,
vnode.componentOptions,
vnode.asyncFactory
);
cloned.ns = vnode.ns;
cloned.isStatic = vnode.isStatic;
cloned.key = vnode.key;
cloned.isComment = vnode.isComment;
cloned.fnContext = vnode.fnContext;
cloned.fnOptions = vnode.fnOptions;
cloned.fnScopeId = vnode.fnScopeId;
cloned.asyncMeta = vnode.asyncMeta;
cloned.isCloned = true;
return cloned
}
/* */
function renderDOMProps (node) {
var props = node.data.domProps;
var res = '';
var parent = node.parent;
while (isDef(parent)) {
if (parent.data && parent.data.domProps) {
props = extend(extend({}, props), parent.data.domProps);
}
parent = parent.parent;
}
if (isUndef(props)) {
return res
}
var attrs = node.data.attrs;
for (var key in props) {
if (key === 'innerHTML') {
setText(node, props[key], true);
} else if (key === 'textContent') {
setText(node, props[key], false);
} else if (key === 'value' && node.tag === 'textarea') {
setText(node, toString(props[key]), false);
} else {
// $flow-disable-line (WTF?)
var attr = propsToAttrMap[key] || key.toLowerCase();
if (isRenderableAttr(attr) &&
// avoid rendering double-bound props/attrs twice
!(isDef(attrs) && isDef(attrs[attr]))
) {
res += renderAttr(attr, props[key]);
}
}
}
return res
}
function setText (node, text, raw) {
var child = new VNode(undefined, undefined, undefined, text);
child.raw = raw;
node.children = [child];
}
/* */
/**
* unicode letters used for parsing html tags, component names and property paths.
* using https://www.w3.org/TR/html53/semantics-scripting.html#potentialcustomelementname
* skipping \u10000-\uEFFFF due to it freezing up PhantomJS
*/
var unicodeRegExp = /a-zA-Z\u00B7\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u037D\u037F-\u1FFF\u200C-\u200D\u203F-\u2040\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD/;
/**
* Define a property.
*/
function def (obj, key, val, enumerable) {
Object.defineProperty(obj, key, {
value: val,
enumerable: !!enumerable,
writable: true,
configurable: true
});
}
/* */
// can we use __proto__?
var hasProto = '__proto__' in {};
// Browser environment sniffing
var inBrowser = typeof window !== 'undefined';
var inWeex = typeof WXEnvironment !== 'undefined' && !!WXEnvironment.platform;
var weexPlatform = inWeex && WXEnvironment.platform.toLowerCase();
var UA = inBrowser && window.navigator.userAgent.toLowerCase();
var isIE = UA && /msie|trident/.test(UA);
var isIE9 = UA && UA.indexOf('msie 9.0') > 0;
var isEdge = UA && UA.indexOf('edge/') > 0;
var isAndroid = (UA && UA.indexOf('android') > 0) || (weexPlatform === 'android');
var isIOS = (UA && /iphone|ipad|ipod|ios/.test(UA)) || (weexPlatform === 'ios');
var isChrome = UA && /chrome\/\d+/.test(UA) && !isEdge;
var isPhantomJS = UA && /phantomjs/.test(UA);
var isFF = UA && UA.match(/firefox\/(\d+)/);
// Firefox has a "watch" function on Object.prototype...
var nativeWatch = ({}).watch;
if (inBrowser) {
try {
var opts = {};
Object.defineProperty(opts, 'passive', ({
get: function get () {
}
})); // https://github.com/facebook/flow/issues/285
window.addEventListener('test-passive', null, opts);
} catch (e) {}
}
// this needs to be lazy-evaled because vue may be required before
// vue-server-renderer can set VUE_ENV
var _isServer;
var isServerRendering = function () {
if (_isServer === undefined) {
/* istanbul ignore if */
if (!inBrowser && !inWeex && typeof global !== 'undefined') {
// detect presence of vue-server-renderer and avoid
// Webpack shimming the process
_isServer = global['process'] && global['process'].env.VUE_ENV === 'server';
} else {
_isServer = false;
}
}
return _isServer
};
// detect devtools
var devtools = inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__;
/* istanbul ignore next */
function isNative (Ctor) {
return typeof Ctor === 'function' && /native code/.test(Ctor.toString())
}
var hasSymbol =
typeof Symbol !== 'undefined' && isNative(Symbol) &&
typeof Reflect !== 'undefined' && isNative(Reflect.ownKeys);
var _Set;
/* istanbul ignore if */ // $flow-disable-line
if (typeof Set !== 'undefined' && isNative(Set)) {
// use native Set when available.
_Set = Set;
} else {
// a non-standard Set polyfill that only works with primitive keys.
_Set = /*@__PURE__*/(function () {
function Set () {
this.set = Object.create(null);
}
Set.prototype.has = function has (key) {
return this.set[key] === true
};
Set.prototype.add = function add (key) {
this.set[key] = true;
};
Set.prototype.clear = function clear () {
this.set = Object.create(null);
};
return Set;
}());
}
var SSR_ATTR = 'data-server-rendered';
var ASSET_TYPES = [
'component',
'directive',
'filter'
];
var LIFECYCLE_HOOKS = [
'beforeCreate',
'created',
'beforeMount',
'mounted',
'beforeUpdate',
'updated',
'beforeDestroy',
'destroyed',
'activated',
'deactivated',
'errorCaptured',
'serverPrefetch'
];
/* */
var config = ({
/**
* Option merge strategies (used in core/util/options)
*/
// $flow-disable-line
optionMergeStrategies: Object.create(null),
/**
* Whether to suppress warnings.
*/
silent: false,
/**
* Show production mode tip message on boot?
*/
productionTip: "development" !== 'production',
/**
* Whether to enable devtools
*/
devtools: "development" !== 'production',
/**
* Whether to record perf
*/
performance: false,
/**
* Error handler for watcher errors
*/
errorHandler: null,
/**
* Warn handler for watcher warns
*/
warnHandler: null,
/**
* Ignore certain custom elements
*/
ignoredElements: [],
/**
* Custom user key aliases for v-on
*/
// $flow-disable-line
keyCodes: Object.create(null),
/**
* Check if a tag is reserved so that it cannot be registered as a
* component. This is platform-dependent and may be overwritten.
*/
isReservedTag: no,
/**
* Check if an attribute is reserved so that it cannot be used as a component
* prop. This is platform-dependent and may be overwritten.
*/
isReservedAttr: no,
/**
* Check if a tag is an unknown element.
* Platform-dependent.
*/
isUnknownElement: no,
/**
* Get the namespace of an element
*/
getTagNamespace: noop,
/**
* Parse the real tag name for the specific platform.
*/
parsePlatformTagName: identity,
/**
* Check if an attribute must be bound using property, e.g. value
* Platform-dependent.
*/
mustUseProp: no,
/**
* Perform updates asynchronously. Intended to be used by Vue Test Utils
* This will significantly reduce performance if set to false.
*/
async: true,
/**
* Exposed for legacy reasons
*/
_lifecycleHooks: LIFECYCLE_HOOKS
});
/* */
var warn = noop;
var tip = noop;
var generateComponentTrace = (noop); // work around flow check
var formatComponentName = (noop);
{
var hasConsole = typeof console !== 'undefined';
var classifyRE = /(?:^|[-_])(\w)/g;
var classify = function (str) { return str
.replace(classifyRE, function (c) { return c.toUpperCase(); })
.replace(/[-_]/g, ''); };
warn = function (msg, vm) {
var trace = vm ? generateComponentTrace(vm) : '';
if (hasConsole && (!config.silent)) {
console.error(("[Vue warn]: " + msg + trace));
}
};
tip = function (msg, vm) {
if (hasConsole && (!config.silent)) {
console.warn("[Vue tip]: " + msg + (
vm ? generateComponentTrace(vm) : ''
));
}
};
formatComponentName = function (vm, includeFile) {
if (vm.$root === vm) {
return '<Root>'
}
var options = typeof vm === 'function' && vm.cid != null
? vm.options
: vm._isVue
? vm.$options || vm.constructor.options
: vm;
var name = options.name || options._componentTag;
var file = options.__file;
if (!name && file) {
var match = file.match(/([^/\\]+)\.vue$/);
name = match && match[1];
}
return (
(name ? ("<" + (classify(name)) + ">") : "<Anonymous>") +
(file && includeFile !== false ? (" at " + file) : '')
)
};
var repeat = function (str, n) {
var res = '';
while (n) {
if (n % 2 === 1) { res += str; }
if (n > 1) { str += str; }
n >>= 1;
}
return res
};
generateComponentTrace = function (vm) {
if (vm._isVue && vm.$parent) {
var tree = [];
var currentRecursiveSequence = 0;
while (vm) {
if (tree.length > 0) {
var last = tree[tree.length - 1];
if (last.constructor === vm.constructor) {
currentRecursiveSequence++;
vm = vm.$parent;
continue
} else if (currentRecursiveSequence > 0) {
tree[tree.length - 1] = [last, currentRecursiveSequence];
currentRecursiveSequence = 0;
}
}
tree.push(vm);
vm = vm.$parent;
}
return '\n\nfound in\n\n' + tree
.map(function (vm, i) { return ("" + (i === 0 ? '---> ' : 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 only one watcher
// can be evaluated at a time.
Dep.target = null;
var targetStack = [];
function pushTarget (target) {
targetStack.push(target);
Dep.target = target;
}
function popTarget () {
targetStack.pop();
Dep.target = targetStack[targetStack.length - 1];
}
/*
* not type checking this file because flow doesn't play well with
* dynamically accessing methods on Array prototype
*/
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)) {
if (hasProto) {
protoAugment(value, arrayMethods);
} else {
copyAugment(value, arrayMethods, arrayKeys);
}
this.observeArray(value);
} else {
this.walk(value);
}
};
/**
* Walk through all properties 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$$1(obj, keys[i]);
}
};
/**
* Observe a list of Array items.
*/
Observer.prototype.observeArray = function observeArray (items) {
for (var i = 0, l = items.length; i < l; i++) {
observe(items[i]);
}
};
// helpers
/**
* Augment a target Object or Array by intercepting
* the prototype chain using __proto__
*/
function protoAugment (target, src) {
/* eslint-disable no-proto */
target.__proto__ = src;
/* eslint-enable no-proto */
}
/**
* Augment a target Object or Array by defining
* hidden properties.
*/
/* istanbul ignore next */
function copyAugment (target, src, keys) {
for (var i = 0, l = keys.length; i < l; i++) {
var key = keys[i];
def(target, key, src[key]);
}
}
/**
* Attempt to create an observer instance for a value,
* returns the new observer if successfully observed,
* or the existing observer if the value already has one.
*/
function observe (value, asRootData) {
if (!isObject(value) || value instanceof VNode) {
return
}
var ob;
if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) {
ob = value.__ob__;
} else if (
shouldObserve &&
!isServerRendering() &&
(Array.isArray(value) || isPlainObject(value)) &&
Object.isExtensible(value) &&
!value._isVue
) {
ob = new Observer(value);
}
if (asRootData && ob) {
ob.vmCount++;
}
return ob
}
/**
* Define a reactive property on an Object.
*/
function defineReactive$$1 (
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;
var setter = property && property.set;
if ((!getter || setter) && arguments.length === 2) {
val = obj[key];
}
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 (customSetter) {
customSetter();
}
// #7981: for accessor properties without setter
if (getter && !setter) { return }
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 (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)) {
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$$1(ob.value, key, val);
ob.dep.notify();
return val
}
/**
* 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 = hasSymbol
? Reflect.ownKeys(from)
: Object.keys(from);
for (var i = 0; i < keys.length; i++) {
key = keys[i];
// in case the object is already observed...
if (key === '__ob__') { continue }
toVal = to[key];
fromVal = from[key];
if (!hasOwn(to, key)) {
set(to, key, fromVal);
} else if (
toVal !== fromVal &&
isPlainObject(toVal) &&
isPlainObject(fromVal)
) {
mergeData(toVal, fromVal);
}
}
return to
}
/**
* Data
*/
function mergeDataOrFn (
parentVal,
childVal,
vm
) {
if (!vm) {
// in a Vue.extend merge, both should be functions
if (!childVal) {
return parentVal
}
if (!parentVal) {
return childVal
}
// when parentVal & childVal are both present,
// we need to return a function that returns the
// merged result of both functions... no need to
// check if parentVal is a function here because
// it has to be a function to pass previous merges.
return function mergedDataFn () {
return mergeData(
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') {
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
) {
var res = childVal
? parentVal
? parentVal.concat(childVal)
: Array.isArray(childVal)
? childVal
: [childVal]
: parentVal;
return res
? dedupeHooks(res)
: res
}
function dedupeHooks (hooks) {
var res = [];
for (var i = 0; i < hooks.length; i++) {
if (res.indexOf(hooks[i]) === -1) {
res.push(hooks[i]);
}
}
return res
}
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) {
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 (!new RegExp(("^[a-zA-Z][\\-\\.0-9_" + (unicodeRegExp.source) + "]*$")).test(name)) {
warn(
'Invalid component name: "' + name + '". Component names ' +
'should conform to valid custom element name in html5 specification.'
);
}
if (isBuiltInTag(name) || config.isReservedTag(name)) {
warn(
'Do not use built-in or reserved HTML elements as component ' +
'id: ' + name
);
}
}
/**
* Ensure all props option syntax are normalized into the
* Object-based format.
*/
function normalizeProps (options, vm) {
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$$1 = dirs[key];
if (typeof def$$1 === 'function') {
dirs[key] = { bind: def$$1, update: def$$1 };
}
}
}
}
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);
// Apply extends and mixins on the child options,
// but only if it is a raw options object that isn't
// the result of another mergeOptions call.
// Only merged options has the _base property.
if (!child._base) {
if (child.extends) {
parent = mergeOptions(parent, child.extends, vm);
}
if (child.mixins) {
for (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 (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 (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], vm);
expectedTypes.push(assertedType.expectedType || '');
valid = assertedType.valid;
}
}
var haveExpectedTypes = expectedTypes.some(function (t) { return t; });
if (!valid && haveExpectedTypes) {
warn(
getInvalidTypeMessage(name, value, expectedTypes),
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|BigInt)$/;
function assertType (value, type, vm) {
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 {
try {
valid = value instanceof type;
} catch (e) {
warn('Invalid prop type: "' + String(type) + '" is not a constructor', vm);
valid = false;
}
}
return {
valid: valid,
expectedType: expectedType
}
}
var functionTypeCheckRE = /^\s*function (\w+)/;
/**
* Use function string name to check built-in types,
* because a simple equality check will fail when running
* across different vms / iframes.
*/
function getType (fn) {
var match = fn && fn.toString().match(functionTypeCheckRE);
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 getInvalidTypeMessage (name, value, expectedTypes) {
var message = "Invalid prop: type check failed for prop \"" + name + "\"." +
" Expected " + (expectedTypes.map(capitalize).join(', '));
var expectedType = expectedTypes[0];
var receivedType = toRawType(value);
// check if we need to specify expected value
if (
expectedTypes.length === 1 &&
isExplicable(expectedType) &&
isExplicable(typeof value) &&
!isBoolean(expectedType, receivedType)
) {
message += " with value " + (styleValue(value, expectedType));
}
message += ", got " + receivedType + " ";
// check if we need to specify received value
if (isExplicable(receivedType)) {
message += "with value " + (styleValue(value, receivedType)) + ".";
}
return message
}
function styleValue (value, type) {
if (type === 'String') {
return ("\"" + value + "\"")
} else if (type === 'Number') {
return ("" + (Number(value)))
} else {
return ("" + value)
}
}
var EXPLICABLE_TYPES = ['string', 'number', 'boolean'];
function isExplicable (value) {
return EXPLICABLE_TYPES.some(function (elem) { return value.toLowerCase() === elem; })
}
function isBoolean () {
var args = [], len = arguments.length;
while ( len-- ) args[ len ] = arguments[ len ];
return args.some(function (elem) { return elem.toLowerCase() === 'boolean'; })
}
/* */
function handleError (err, vm, info) {
// Deactivate deps tracking while processing error handler to avoid possible infinite rendering.
// See: https://github.com/vuejs/vuex/issues/1505
pushTarget();
try {
if (vm) {
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);
} finally {
popTarget();
}
}
function invokeWithErrorHandling (
handler,
context,
args,
vm,
info
) {
var res;
try {
res = args ? handler.apply(context, args) : handler.call(context);
if (res && !res._isVue && isPromise(res) && !res._handled) {
res.catch(function (e) { return handleError(e, vm, info + " (Promise/async)"); });
// issue #9511
// avoid catch triggering multiple times when nested calls
res._handled = true;
}
} catch (e) {
handleError(e, vm, info);
}
return res
}
function globalHandleError (err, vm, info) {
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
}
}
/* */
var callbacks = [];
function flushCallbacks () {
var copies = callbacks.slice(0);
callbacks.length = 0;
for (var i = 0; i < copies.length; i++) {
copies[i]();
}
}
// The nextTick behavior leverages the microtask queue, which can be accessed
// via either native Promise.then or MutationObserver.
// MutationObserver has wider support, however it is seriously bugged in
// UIWebView in iOS >= 9.3.3 when triggered in touch event handlers. It
// completely stops working after triggering a few times... so, if native
// Promise is available, we will use it:
/* istanbul ignore next, $flow-disable-line */
if (typeof Promise !== 'undefined' && isNative(Promise)) ; else if (!isIE && typeof MutationObserver !== 'undefined' && (
isNative(MutationObserver) ||
// PhantomJS and iOS 7.x
MutationObserver.toString() === '[object MutationObserverConstructor]'
)) {
// Use MutationObserver where native Promise is not available,
// e.g. PhantomJS, iOS7, Android 4.4
// (#6466 MutationObserver is unreliable in IE11)
var counter = 1;
var observer = new MutationObserver(flushCallbacks);
var textNode = document.createTextNode(String(counter));
observer.observe(textNode, {
characterData: true
});
} else if (typeof setImmediate !== 'undefined' && isNative(setImmediate)) ;
/* */
/* */
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 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 isTextInputType = makeMap('text,number,password,search,email,tel,url');
/* */
/* */
function renderClass$1 (node) {
var classList = genClassForVnode(node);
if (classList !== '') {
return (" class=\"" + (escape(classList)) + "\"")
}
}
/* */
var parseStyleText = cached(function (cssText) {
var res = {};
var listDelimiter = /;(?![^(]*\))/g;
var propertyDelimiter = /:(.+)/;
cssText.split(listDelimiter).forEach(function (item) {
if (item) {
var tmp = item.split(propertyDelimiter);
tmp.length > 1 && (res[tmp[0].trim()] = tmp[1].trim());
}
});
return res
});
// merge static and dynamic style data on the same vnode
function normalizeStyleData (data) {
var style = normalizeStyleBinding(data.style);
// static style is pre-processed into an object during compilation
// and is always a fresh object, so it's safe to merge into it
return data.staticStyle
? extend(data.staticStyle, style)
: style
}
// normalize possible array / string values into Object
function normalizeStyleBinding (bindingStyle) {
if (Array.isArray(bindingStyle)) {
return toObject(bindingStyle)
}
if (typeof bindingStyle === 'string') {
return parseStyleText(bindingStyle)
}
return bindingStyle
}
/**
* parent component style should be after child's
* so that parent component's style could override it
*/
function getStyle (vnode, checkChild) {
var res = {};
var styleData;
if (checkChild) {
var childNode = vnode;
while (childNode.componentInstance) {
childNode = childNode.componentInstance._vnode;
if (
childNode && childNode.data &&
(styleData = normalizeStyleData(childNode.data))
) {
extend(res, styleData);
}
}
}
if ((styleData = normalizeStyleData(vnode.data))) {
extend(res, styleData);
}
var parentNode = vnode;
while ((parentNode = parentNode.parent)) {
if (parentNode.data && (styleData = normalizeStyleData(parentNode.data))) {
extend(res, styleData);
}
}
return res
}
/* */
function genStyle (style) {
var styleText = '';
for (var key in style) {
var value = style[key];
var hyphenatedKey = hyphenate(key);
if (Array.isArray(value)) {
for (var i = 0, len = value.length; i < len; i++) {
styleText += normalizeValue(hyphenatedKey, value[i]);
}
} else {
styleText += normalizeValue(hyphenatedKey, value);
}
}
return styleText
}
function normalizeValue(key, value) {
if (
typeof value === 'string' ||
(typeof value === 'number' && noUnitNumericStyleProps[key]) ||
value === 0
) {
return (key + ":" + value + ";")
} else {
// invalid values
return ""
}
}
function renderStyle (vnode) {
var styleText = genStyle(getStyle(vnode, false));
if (styleText !== '') {
return (" style=" + (JSON.stringify(escape(styleText))))
}
}
var modules = [
renderAttrs,
renderDOMProps,
renderClass$1,
renderStyle
];
/* */
function show (node, dir) {
if (!dir.value) {
var style = node.data.style || (node.data.style = {});
if (Array.isArray(style)) {
style.push({ display: 'none' });
} else {
style.display = 'none';
}
}
}
/* */
// this is only applied for <select v-model> because it is the only edge case
// that must be done at runtime instead of compile time.
function model (node, dir) {
if (!node.children) { return }
var value = dir.value;
var isMultiple = node.data.attrs && node.data.attrs.multiple;
for (var i = 0, l = node.children.length; i < l; i++) {
var option = node.children[i];
if (option.tag === 'option') {
if (isMultiple) {
var selected =
Array.isArray(value) &&
(looseIndexOf(value, getValue(option)) > -1);
if (selected) {
setSelected(option);
}
} else {
if (looseEqual(value, getValue(option))) {
setSelected(option);
return
}
}
}
}
}
function getValue (option) {
var data = option.data || {};
return (
(data.attrs && data.attrs.value) ||
(data.domProps && data.domProps.value) ||
(option.children && option.children[0] && option.children[0].text)
)
}
function setSelected (option) {
var data = option.data || (option.data = {});
var attrs = data.attrs || (data.attrs = {});
attrs.selected = '';
}
var baseDirectives = {
show: show,
model: model
};
/* */
var isUnaryTag = makeMap(
'area,base,br,col,embed,frame,hr,img,input,isindex,keygen,' +
'link,meta,param,source,track,wbr'
);
// Elements that you can, intentionally, leave open
// (and which close themselves)
var canBeLeftOpenTag = makeMap(
'colgroup,dd,dt,li,options,p,td,tfoot,th,thead,tr,source'
);
// HTML5 tags https://html.spec.whatwg.org/multipage/indices.html#elements-3
// Phrasing Content https://html.spec.whatwg.org/multipage/dom.html#phrasing-content
var isNonPhrasingTag = makeMap(
'address,article,aside,base,blockquote,body,caption,col,colgroup,dd,' +
'details,dialog,div,dl,dt,fieldset,figcaption,figure,footer,form,' +
'h1,h2,h3,h4,h5,h6,head,header,hgroup,hr,html,legend,li,menuitem,meta,' +
'optgroup,option,param,rp,rt,source,style,summary,tbody,td,tfoot,th,thead,' +
'title,tr,track'
);
/* */
var MAX_STACK_DEPTH = 800;
var noop$1 = function (_) { return _; };
var defer = typeof process !== 'undefined' && process.nextTick
? process.nextTick
: typeof Promise !== 'undefined'
? function (fn) { return Promise.resolve().then(fn); }
: typeof setTimeout !== 'undefined'
? setTimeout
: noop$1;
if (defer === noop$1) {
throw new Error(
'Your JavaScript runtime does not support any asynchronous primitives ' +
'that are required by vue-server-renderer. Please use a polyfill for ' +
'either Promise or setTimeout.'
)
}
function createWriteFunction (
write,
onError
) {
var stackDepth = 0;
var cachedWrite = function (text, next) {
if (text && cachedWrite.caching) {
cachedWrite.cacheBuffer[cachedWrite.cacheBuffer.length - 1] += text;
}
var waitForNext = write(text, next);
if (waitForNext !== true) {
if (stackDepth >= MAX_STACK_DEPTH) {
defer(function () {
try { next(); } catch (e) {
onError(e);
}
});
} else {
stackDepth++;
next();
stackDepth--;
}
}
};
cachedWrite.caching = false;
cachedWrite.cacheBuffer = [];
cachedWrite.componentBuffer = [];
return cachedWrite
}
/* */
/**
* Original RenderStream implementation by Sasha Aickin (@aickin)
* Licensed under the Apache License, Version 2.0
* http://www.apache.org/licenses/LICENSE-2.0
*
* Modified by Evan You (@yyx990803)
*/
var stream = require('stream');
var RenderStream = /*@__PURE__*/(function (superclass) {
function RenderStream (render) {
var this$1 = this;
superclass.call(this);
this.buffer = '';
this.render = render;
this.expectedSize = 0;
this.write = createWriteFunction(function (text, next) {
var n = this$1.expectedSize;
this$1.buffer += text;
if (this$1.buffer.length >= n) {
this$1.next = next;
this$1.pushBySize(n);
return true // we will decide when to call next
}
return false
}, function (err) {
this$1.emit('error', err);
});
this.end = function () {
this$1.emit('beforeEnd');
// the rendering is finished; we should push out the last of the buffer.
this$1.done = true;
this$1.push(this$1.buffer);
};
}
if ( superclass ) RenderStream.__proto__ = superclass;
RenderStream.prototype = Object.create( superclass && superclass.prototype );
RenderStream.prototype.constructor = RenderStream;
RenderStream.prototype.pushBySize = function pushBySize (n) {
var bufferToPush = this.buffer.substring(0, n);
this.buffer = this.buffer.substring(n);
this.push(bufferToPush);
};
RenderStream.prototype.tryRender = function tryRender () {
try {
this.render(this.write, this.end);
} catch (e) {
this.emit('error', e);
}
};
RenderStream.prototype.tryNext = function tryNext () {
try {
this.next();
} catch (e) {
this.emit('error', e);
}
};
RenderStream.prototype._read = function _read (n) {
this.expectedSize = n;
// it's possible that the last chunk added bumped the buffer up to > 2 * n,
// which means we will need to go through multiple read calls to drain it
// down to < n.
if (isTrue(this.done)) {
this.push(null);
return
}
if (this.buffer.length >= n) {
this.pushBySize(n);
return
}
if (isUndef(this.next)) {
// start the rendering chain.
this.tryRender();
} else {
// continue with the rendering.
this.tryNext();
}
};
return RenderStream;
}(stream.Readable));
/* */
var RenderContext = function RenderContext (options) {
this.userContext = options.userContext;
this.activeInstance = options.activeInstance;
this.renderStates = [];
this.write = options.write;
this.done = options.done;
this.renderNode = options.renderNode;
this.isUnaryTag = options.isUnaryTag;
this.modules = options.modules;
this.directives = options.directives;
var cache = options.cache;
if (cache && (!cache.get || !cache.set)) {
throw new Error('renderer cache must implement at least get & set.')
}
this.cache = cache;
this.get = cache && normalizeAsync(cache, 'get');
this.has = cache && normalizeAsync(cache, 'has');
this.next = this.next.bind(this);
};
RenderContext.prototype.next = function next () {
// eslint-disable-next-line
while (true) {
var lastState = this.renderStates[this.renderStates.length - 1];
if (isUndef(lastState)) {
return this.done()
}
/* eslint-disable no-case-declarations */
switch (lastState.type) {
case 'Element':
case 'Fragment':
var children = lastState.children;
var total = lastState.total;
var rendered = lastState.rendered++;
if (rendered < total) {
return this.renderNode(children[rendered], false, this)
} else {
this.renderStates.pop();
if (lastState.type === 'Element') {
return this.write(lastState.endTag, this.next)
}
}
break
case 'Component':
this.renderStates.pop();
this.activeInstance = lastState.prevActive;
break
case 'ComponentWithCache':
this.renderStates.pop();
var buffer = lastState.buffer;
var bufferIndex = lastState.bufferIndex;
var componentBuffer = lastState.componentBuffer;
var key = lastState.key;
var result = {
html: buffer[bufferIndex],
components: componentBuffer[bufferIndex]
};
this.cache.set(key, result);
if (bufferIndex === 0) {
// this is a top-level cached component,
// exit caching mode.
this.write.caching = false;
} else {
// parent component is also being cached,
// merge self into parent's result
buffer[bufferIndex - 1] += result.html;
var prev = componentBuffer[bufferIndex - 1];
result.components.forEach(function (c) { return prev.add(c); });
}
buffer.length = bufferIndex;
componentBuffer.length = bufferIndex;
break
}
}
};
function normalizeAsync (cache, method) {
var fn = cache[method];
if (isUndef(fn)) {
return
} else if (fn.length > 1) {
return function (key, cb) { return fn.call(cache, key, cb); }
} else {
return function (key, cb) { return cb(fn.call(cache, key)); }
}
}
/* */
var validDivisionCharRE = /[\w).+\-_$\]]/;
function parseFilters (exp) {
var inSingle = false;
var inDouble = false;
var inTemplateString = false;
var inRegex = false;
var curly = 0;
var square = 0;
var paren = 0;
var lastFilterIndex = 0;
var c, prev, i, expression, filters;
for (i = 0; i < exp.length; i++) {
prev = c;
c = exp.charCodeAt(i);
if (inSingle) {
if (c === 0x27 && prev !== 0x5C) { inSingle = false; }
} else if (inDouble) {
if (c === 0x22 && prev !== 0x5C) { inDouble = false; }
} else if (inTemplateString) {
if (c === 0x60 && prev !== 0x5C) { inTemplateString = false; }
} else if (inRegex) {
if (c === 0x2f && prev !== 0x5C) { inRegex = false; }
} else if (
c === 0x7C && // pipe
exp.charCodeAt(i + 1) !== 0x7C &&
exp.charCodeAt(i - 1) !== 0x7C &&
!curly && !square && !paren
) {
if (expression === undefined) {
// first filter, end of expression
lastFilterIndex = i + 1;
expression = exp.slice(0, i).trim();
} else {
pushFilter();
}
} else {
switch (c) {
case 0x22: inDouble = true; break // "
case 0x27: inSingle = true; break // '
case 0x60: inTemplateString = true; break // `
case 0x28: paren++; break // (
case 0x29: paren--; break // )
case 0x5B: square++; break // [
case 0x5D: square--; break // ]
case 0x7B: curly++; break // {
case 0x7D: curly--; break // }
}
if (c === 0x2f) { // /
var j = i - 1;
var p = (void 0);
// find first non-whitespace prev char
for (; j >= 0; j--) {
p = exp.charAt(j);
if (p !== ' ') { break }
}
if (!p || !validDivisionCharRE.test(p)) {
inRegex = true;
}
}
}
}
if (expression === undefined) {
expression = exp.slice(0, i).trim();
} else if (lastFilterIndex !== 0) {
pushFilter();
}
function pushFilter () {
(filters || (filters = [])).push(exp.slice(lastFilterIndex, i).trim());
lastFilterIndex = i + 1;
}
if (filters) {
for (i = 0; i < filters.length; i++) {
expression = wrapFilter(expression, filters[i]);
}
}
return expression
}
function wrapFilter (exp, filter) {
var i = filter.indexOf('(');
if (i < 0) {
// _f: resolveFilter
return ("_f(\"" + filter + "\")(" + exp + ")")
} else {
var name = filter.slice(0, i);
var args = filter.slice(i + 1);
return ("_f(\"" + name + "\")(" + exp + (args !== ')' ? ',' + args : args))
}
}
/* */
var defaultTagRE = /\{\{((?:.|\r?\n)+?)\}\}/g;
var regexEscapeRE = /[-.*+?^${}()|[\]\/\\]/g;
var buildRegex = cached(function (delimiters) {
var open = delimiters[0].replace(regexEscapeRE, '\\$&');
var close = delimiters[1].replace(regexEscapeRE, '\\$&');
return new RegExp(open + '((?:.|\\n)+?)' + close, 'g')
});
function parseText (
text,
delimiters
) {
var tagRE = delimiters ? buildRegex(delimiters) : defaultTagRE;
if (!tagRE.test(text)) {
return
}
var tokens = [];
var rawTokens = [];
var lastIndex = tagRE.lastIndex = 0;
var match, index, tokenValue;
while ((match = tagRE.exec(text))) {
index = match.index;
// push text token
if (index > lastIndex) {
rawTokens.push(tokenValue = text.slice(lastIndex, index));
tokens.push(JSON.stringify(tokenValue));
}
// tag token
var exp = parseFilters(match[1].trim());
tokens.push(("_s(" + exp + ")"));
rawTokens.push({ '@binding': exp });
lastIndex = index + match[0].length;
}
if (lastIndex < text.length) {
rawTokens.push(tokenValue = text.slice(lastIndex));
tokens.push(JSON.stringify(tokenValue));
}
return {
expression: tokens.join('+'),
tokens: rawTokens
}
}
/* */
/* eslint-disable no-unused-vars */
function baseWarn (msg, range) {
console.error(("[Vue compiler]: " + msg));
}
/* eslint-enable no-unused-vars */
function pluckModuleFunction (
modules,
key
) {
return modules
? modules.map(function (m) { return m[key]; }).filter(function (_) { return _; })
: []
}
function addProp (el, name, value, range, dynamic) {
(el.props || (el.props = [])).push(rangeSetItem({ name: name, value: value, dynamic: dynamic }, range));
el.plain = false;
}
function addAttr (el, name, value, range, dynamic) {
var attrs = dynamic
? (el.dynamicAttrs || (el.dynamicAttrs = []))
: (el.attrs || (el.attrs = []));
attrs.push(rangeSetItem({ name: name, value: value, dynamic: dynamic }, range));
el.plain = false;
}
// add a raw attr (use this in preTransforms)
function addRawAttr (el, name, value, range) {
el.attrsMap[name] = value;
el.attrsList.push(rangeSetItem({ name: name, value: value }, range));
}
function addDirective (
el,
name,
rawName,
value,
arg,
isDynamicArg,
modifiers,
range
) {
(el.directives || (el.directives = [])).push(rangeSetItem({
name: name,
rawName: rawName,
value: value,
arg: arg,
isDynamicArg: isDynamicArg,
modifiers: modifiers
}, range));
el.plain = false;
}
function prependModifierMarker (symbol, name, dynamic) {
return dynamic
? ("_p(" + name + ",\"" + symbol + "\")")
: symbol + name // mark the event as captured
}
function addHandler (
el,
name,
value,
modifiers,
important,
warn,
range,
dynamic
) {
modifiers = modifiers || emptyObject;
// warn prevent and passive modifier
/* istanbul ignore if */
if (
warn &&
modifiers.prevent && modifiers.passive
) {
warn(
'passive and prevent can\'t be used together. ' +
'Passive handler can\'t prevent default event.',
range
);
}
// normalize click.right and click.middle since they don't actually fire
// this is technically browser-specific, but at least for now browsers are
// the only target envs that have right/middle clicks.
if (modifiers.right) {
if (dynamic) {
name = "(" + name + ")==='click'?'contextmenu':(" + name + ")";
} else if (name === 'click') {
name = 'contextmenu';
delete modifiers.right;
}
} else if (modifiers.middle) {
if (dynamic) {
name = "(" + name + ")==='click'?'mouseup':(" + name + ")";
} else if (name === 'click') {
name = 'mouseup';
}
}
// check capture modifier
if (modifiers.capture) {
delete modifiers.capture;
name = prependModifierMarker('!', name, dynamic);
}
if (modifiers.once) {
delete modifiers.once;
name = prependModifierMarker('~', name, dynamic);
}
/* istanbul ignore if */
if (modifiers.passive) {
delete modifiers.passive;
name = prependModifierMarker('&', name, dynamic);
}
var events;
if (modifiers.native) {
delete modifiers.native;
events = el.nativeEvents || (el.nativeEvents = {});
} else {
events = el.events || (el.events = {});
}
var newHandler = rangeSetItem({ value: value.trim(), dynamic: dynamic }, range);
if (modifiers !== emptyObject) {
newHandler.modifiers = modifiers;
}
var handlers = events[name];
/* istanbul ignore if */
if (Array.isArray(handlers)) {
important ? handlers.unshift(newHandler) : handlers.push(newHandler);
} else if (handlers) {
events[name] = important ? [newHandler, handlers] : [handlers, newHandler];
} else {
events[name] = newHandler;
}
el.plain = false;
}
function getRawBindingAttr (
el,
name
) {
return el.rawAttrsMap[':' + name] ||
el.rawAttrsMap['v-bind:' + name] ||
el.rawAttrsMap[name]
}
function getBindingAttr (
el,
name,
getStatic
) {
var dynamicValue =
getAndRemoveAttr(el, ':' + name) ||
getAndRemoveAttr(el, 'v-bind:' + name);
if (dynamicValue != null) {
return parseFilters(dynamicValue)
} else if (getStatic !== false) {
var staticValue = getAndRemoveAttr(el, name);
if (staticValue != null) {
return JSON.stringify(staticValue)
}
}
}
// note: this only removes the attr from the Array (attrsList) so that it
// doesn't get processed by processAttrs.
// By default it does NOT remove it from the map (attrsMap) because the map is
// needed during codegen.
function getAndRemoveAttr (
el,
name,
removeFromMap
) {
var val;
if ((val = el.attrsMap[name]) != null) {
var list = el.attrsList;
for (var i = 0, l = list.length; i < l; i++) {
if (list[i].name === name) {
list.splice(i, 1);
break
}
}
}
if (removeFromMap) {
delete el.attrsMap[name];
}
return val
}
function getAndRemoveAttrByRegex (
el,
name
) {
var list = el.attrsList;
for (var i = 0, l = list.length; i < l; i++) {
var attr = list[i];
if (name.test(attr.name)) {
list.splice(i, 1);
return attr
}
}
}
function rangeSetItem (
item,
range
) {
if (range) {
if (range.start != null) {
item.start = range.start;
}
if (range.end != null) {
item.end = range.end;
}
}
return item
}
/* */
function transformNode (el, options) {
var warn = options.warn || baseWarn;
var staticClass = getAndRemoveAttr(el, 'class');
if (staticClass) {
var res = parseText(staticClass, options.delimiters);
if (res) {
warn(
"class=\"" + staticClass + "\": " +
'Interpolation inside attributes has been removed. ' +
'Use v-bind or the colon shorthand instead. For example, ' +
'instead of <div class="{{ val }}">, use <div :class="val">.',
el.rawAttrsMap['class']
);
}
}
if (staticClass) {
el.staticClass = JSON.stringify(staticClass);
}
var classBinding = getBindingAttr(el, 'class', false /* getStatic */);
if (classBinding) {
el.classBinding = classBinding;
}
}
function genData (el) {
var data = '';
if (el.staticClass) {
data += "staticClass:" + (el.staticClass) + ",";
}
if (el.classBinding) {
data += "class:" + (el.classBinding) + ",";
}
return data
}
var klass = {
staticKeys: ['staticClass'],
transformNode: transformNode,
genData: genData
};
/* */
function transformNode$1 (el, options) {
var warn = options.warn || baseWarn;
var staticStyle = getAndRemoveAttr(el, 'style');
if (staticStyle) {
/* istanbul ignore if */
{
var res = parseText(staticStyle, options.delimiters);
if (res) {
warn(
"style=\"" + staticStyle + "\": " +
'Interpolation inside attributes has been removed. ' +
'Use v-bind or the colon shorthand instead. For example, ' +
'instead of <div style="{{ val }}">, use <div :style="val">.',
el.rawAttrsMap['style']
);
}
}
el.staticStyle = JSON.stringify(parseStyleText(staticStyle));
}
var styleBinding = getBindingAttr(el, 'style', false /* getStatic */);
if (styleBinding) {
el.styleBinding = styleBinding;
}
}
function genData$1 (el) {
var data = '';
if (el.staticStyle) {
data += "staticStyle:" + (el.staticStyle) + ",";
}
if (el.styleBinding) {
data += "style:(" + (el.styleBinding) + "),";
}
return data
}
var style = {
staticKeys: ['staticStyle'],
transformNode: transformNode$1,
genData: genData$1
};
/**
* Not type-checking this file because it's mostly vendor code.
*/
// Regular Expressions for parsing tags and attributes
var attribute = /^\s*([^\s"'<>\/=]+)(?:\s*(=)\s*(?:"([^"]*)"+|'([^']*)'+|([^\s"'=<>`]+)))?/;
var dynamicArgAttribute = /^\s*((?:v-[\w-]+:|@|:|#)\[[^=]+?\][^\s"'<>\/=]*)(?:\s*(=)\s*(?:"([^"]*)"+|'([^']*)'+|([^\s"'=<>`]+)))?/;
var ncname = "[a-zA-Z_][\\-\\.0-9_a-zA-Z" + (unicodeRegExp.source) + "]*";
var qnameCapture = "((?:" + ncname + "\\:)?" + ncname + ")";
var startTagOpen = new RegExp(("^<" + qnameCapture));
var startTagClose = /^\s*(\/?)>/;
var endTag = new RegExp(("^<\\/" + qnameCapture + "[^>]*>"));
var doctype = /^<!DOCTYPE [^>]+>/i;
// #7298: escape - to avoid being passed as HTML comment when inlined in page
var comment = /^<!\--/;
var conditionalComment = /^<!\[/;
// Special Elements (can contain anything)
var isPlainTextElement = makeMap('script,style,textarea', true);
var reCache = {};
var decodingMap = {
'<': '<',
'>': '>',
'"': '"',
'&': '&',
' ': '\n',
'	': '\t',
''': "'"
};
var encodedAttr = /&(?:lt|gt|quot|amp|#39);/g;
var encodedAttrWithNewLines = /&(?:lt|gt|quot|amp|#39|#10|#9);/g;
// #5992
var isIgnoreNewlineTag = makeMap('pre,textarea', true);
var shouldIgnoreFirstNewline = function (tag, html) { return tag && isIgnoreNewlineTag(tag) && html[0] === '\n'; };
function decodeAttr (value, shouldDecodeNewlines) {
var re = shouldDecodeNewlines ? encodedAttrWithNewLines : encodedAttr;
return value.replace(re, function (match) { return decodingMap[match]; })
}
function parseHTML (html, options) {
var stack = [];
var expectHTML = options.expectHTML;
var isUnaryTag$$1 = options.isUnaryTag || no;
var canBeLeftOpenTag$$1 = options.canBeLeftOpenTag || no;
var index = 0;
var last, lastTag;
while (html) {
last = html;
// Make sure we're not in a plaintext content element like script/style
if (!lastTag || !isPlainTextElement(lastTag)) {
var textEnd = html.indexOf('<');
if (textEnd === 0) {
// Comment:
if (comment.test(html)) {
var commentEnd = html.indexOf('-->');
if (commentEnd >= 0) {
if (options.shouldKeepComment) {
options.comment(html.substring(4, commentEnd), index, index + commentEnd + 3);
}
advance(commentEnd + 3);
continue
}
}
// http://en.wikipedia.org/wiki/Conditional_comment#Downlevel-revealed_conditional_comment
if (conditionalComment.test(html)) {
var conditionalEnd = html.indexOf(']>');
if (conditionalEnd >= 0) {
advance(conditionalEnd + 2);
continue
}
}
// Doctype:
var doctypeMatch = html.match(doctype);
if (doctypeMatch) {
advance(doctypeMatch[0].length);
continue
}
// End tag:
var endTagMatch = html.match(endTag);
if (endTagMatch) {
var curIndex = index;
advance(endTagMatch[0].length);
parseEndTag(endTagMatch[1], curIndex, index);
continue
}
// Start tag:
var startTagMatch = parseStartTag();
if (startTagMatch) {
handleStartTag(startTagMatch);
if (shouldIgnoreFirstNewline(startTagMatch.tagName, html)) {
advance(1);
}
continue
}
}
var text = (void 0), rest = (void 0), next = (void 0);
if (textEnd >= 0) {
rest = html.slice(textEnd);
while (
!endTag.test(rest) &&
!startTagOpen.test(rest) &&
!comment.test(rest) &&
!conditionalComment.test(rest)
) {
// < in plain text, be forgiving and treat it as text
next = rest.indexOf('<', 1);
if (next < 0) { break }
textEnd += next;
rest = html.slice(textEnd);
}
text = html.substring(0, textEnd);
}
if (textEnd < 0) {
text = html;
}
if (text) {
advance(text.length);
}
if (options.chars && text) {
options.chars(text, index - text.length, index);
}
} else {
var endTagLength = 0;
var stackedTag = lastTag.toLowerCase();
var reStackedTag = reCache[stackedTag] || (reCache[stackedTag] = new RegExp('([\\s\\S]*?)(</' + stackedTag + '[^>]*>)', 'i'));
var rest$1 = html.replace(reStackedTag, function (all, text, endTag) {
endTagLength = endTag.length;
if (!isPlainTextElement(stackedTag) && stackedTag !== 'noscript') {
text = text
.replace(/<!\--([\s\S]*?)-->/g, '$1') // #7298
.replace(/<!\[CDATA\[([\s\S]*?)]]>/g, '$1');
}
if (shouldIgnoreFirstNewline(stackedTag, text)) {
text = text.slice(1);
}
if (options.chars) {
options.chars(text);
}
return ''
});
index += html.length - rest$1.length;
html = rest$1;
parseEndTag(stackedTag, index - endTagLength, index);
}
if (html === last) {
options.chars && options.chars(html);
if (!stack.length && options.warn) {
options.warn(("Mal-formatted tag at end of template: \"" + html + "\""), { start: index + html.length });
}
break
}
}
// Clean up any remaining tags
parseEndTag();
function advance (n) {
index += n;
html = html.substring(n);
}
function parseStartTag () {
var start = html.match(startTagOpen);
if (start) {
var match = {
tagName: start[1],
attrs: [],
start: index
};
advance(start[0].length);
var end, attr;
while (!(end = html.match(startTagClose)) && (attr = html.match(dynamicArgAttribute) || html.match(attribute))) {
attr.start = index;
advance(attr[0].length);
attr.end = index;
match.attrs.push(attr);
}
if (end) {
match.unarySlash = end[1];
advance(end[0].length);
match.end = index;
return match
}
}
}
function handleStartTag (match) {
var tagName = match.tagName;
var unarySlash = match.unarySlash;
if (expectHTML) {
if (lastTag === 'p' && isNonPhrasingTag(tagName)) {
parseEndTag(lastTag);
}
if (canBeLeftOpenTag$$1(tagName) && lastTag === tagName) {
parseEndTag(tagName);
}
}
var unary = isUnaryTag$$1(tagName) || !!unarySlash;
var l = match.attrs.length;
var attrs = new Array(l);
for (var i = 0; i < l; i++) {
var args = match.attrs[i];
var value = args[3] || args[4] || args[5] || '';
var shouldDecodeNewlines = tagName === 'a' && args[1] === 'href'
? options.shouldDecodeNewlinesForHref
: options.shouldDecodeNewlines;
attrs[i] = {
name: args[1],
value: decodeAttr(value, shouldDecodeNewlines)
};
if (options.outputSourceRange) {
attrs[i].start = args.start + args[0].match(/^\s*/).length;
attrs[i].end = args.end;
}
}
if (!unary) {
stack.push({ tag: tagName, lowerCasedTag: tagName.toLowerCase(), attrs: attrs, start: match.start, end: match.end });
lastTag = tagName;
}
if (options.start) {
options.start(tagName, attrs, unary, match.start, match.end);
}
}
function parseEndTag (tagName, start, end) {
var pos, lowerCasedTagName;
if (start == null) { start = index; }
if (end == null) { end = index; }
// Find the closest opened tag of the same type
if (tagName) {
lowerCasedTagName = tagName.toLowerCase();
for (pos = stack.length - 1; pos >= 0; pos--) {
if (stack[pos].lowerCasedTag === lowerCasedTagName) {
break
}
}
} else {
// If no tag name is provided, clean shop
pos = 0;
}
if (pos >= 0) {
// Close all the open elements, up the stack
for (var i = stack.length - 1; i >= pos; i--) {
if (i > pos || !tagName &&
options.warn
) {
options.warn(
("tag <" + (stack[i].tag) + "> has no matching end tag."),
{ start: stack[i].start, end: stack[i].end }
);
}
if (options.end) {
options.end(stack[i].tag, start, end);
}
}
// Remove the open elements from the stack
stack.length = pos;
lastTag = pos && stack[pos - 1].tag;
} else if (lowerCasedTagName === 'br') {
if (options.start) {
options.start(tagName, [], true, start, end);
}
} else if (lowerCasedTagName === 'p') {
if (options.start) {
options.start(tagName, [], false, start, end);
}
if (options.end) {
options.end(tagName, start, end);
}
}
}
}
/* */
/**
* Cross-platform code generation for component v-model
*/
function genComponentModel (
el,
value,
modifiers
) {
var ref = modifiers || {};
var number = ref.number;
var trim = ref.trim;
var baseValueExpression = '$$v';
var valueExpression = baseValueExpression;
if (trim) {
valueExpression =
"(typeof " + baseValueExpression + " === 'string'" +
"? " + baseValueExpression + ".trim()" +
": " + baseValueExpression + ")";
}
if (number) {
valueExpression = "_n(" + valueExpression + ")";
}
var assignment = genAssignmentCode(value, valueExpression);
el.model = {
value: ("(" + value + ")"),
expression: JSON.stringify(value),
callback: ("function (" + baseValueExpression + ") {" + assignment + "}")
};
}
/**
* Cross-platform codegen helper for generating v-model value assignment code.
*/
function genAssignmentCode (
value,
assignment
) {
var res = parseModel(value);
if (res.key === null) {
return (value + "=" + assignment)
} else {
return ("$set(" + (res.exp) + ", " + (res.key) + ", " + assignment + ")")
}
}
/**
* Parse a v-model expression into a base path and a final key segment.
* Handles both dot-path and possible square brackets.
*
* Possible cases:
*
* - test
* - test[key]
* - test[test1[key]]
* - test["a"][key]
* - xxx.test[a[a].test1[key]]
* - test.xxx.a["asa"][test1[key]]
*
*/
var len, str, chr, index, expressionPos, expressionEndPos;
function parseModel (val) {
// Fix https://github.com/vuejs/vue/pull/7730
// allow v-model="obj.val " (trailing whitespace)
val = val.trim();
len = val.length;
if (val.indexOf('[') < 0 || val.lastIndexOf(']') < len - 1) {
index = val.lastIndexOf('.');
if (index > -1) {
return {
exp: val.slice(0, index),
key: '"' + val.slice(index + 1) + '"'
}
} else {
return {
exp: val,
key: null
}
}
}
str = val;
index = expressionPos = expressionEndPos = 0;
while (!eof()) {
chr = next();
/* istanbul ignore if */
if (isStringStart(chr)) {
parseString(chr);
} else if (chr === 0x5B) {
parseBracket(chr);
}
}
return {
exp: val.slice(0, expressionPos),
key: val.slice(expressionPos + 1, expressionEndPos)
}
}
function next () {
return str.charCodeAt(++index)
}
function eof () {
return index >= len
}
function isStringStart (chr) {
return chr === 0x22 || chr === 0x27
}
function parseBracket (chr) {
var inBracket = 1;
expressionPos = index;
while (!eof()) {
chr = next();
if (isStringStart(chr)) {
parseString(chr);
continue
}
if (chr === 0x5B) { inBracket++; }
if (chr === 0x5D) { inBracket--; }
if (inBracket === 0) {
expressionEndPos = index;
break
}
}
}
function parseString (chr) {
var stringQuote = chr;
while (!eof()) {
chr = next();
if (chr === stringQuote) {
break
}
}
}
/* */
var onRE = /^@|^v-on:/;
var dirRE = /^v-|^@|^:|^#/;
var forAliasRE = /([\s\S]*?)\s+(?:in|of)\s+([\s\S]*)/;
var forIteratorRE = /,([^,\}\]]*)(?:,([^,\}\]]*))?$/;
var stripParensRE = /^\(|\)$/g;
var dynamicArgRE = /^\[.*\]$/;
var argRE = /:(.*)$/;
var bindRE = /^:|^\.|^v-bind:/;
var modifierRE = /\.[^.\]]+(?=[^\]]*$)/g;
var slotRE = /^v-slot(:|$)|^#/;
var lineBreakRE = /[\r\n]/;
var whitespaceRE = /[ \f\t\r\n]+/g;
var invalidAttributeRE = /[\s"'<>\/=]/;
var decodeHTMLCached = cached(he.decode);
var emptySlotScopeToken = "_empty_";
// configurable state
var warn$1;
var delimiters;
var transforms;
var preTransforms;
var postTransforms;
var platformIsPreTag;
var platformMustUseProp;
var platformGetTagNamespace;
var maybeComponent;
function createASTElement (
tag,
attrs,
parent
) {
return {
type: 1,
tag: tag,
attrsList: attrs,
attrsMap: makeAttrsMap(attrs),
rawAttrsMap: {},
parent: parent,
children: []
}
}
/**
* Convert HTML string to AST.
*/
function parse (
template,
options
) {
warn$1 = options.warn || baseWarn;
platformIsPreTag = options.isPreTag || no;
platformMustUseProp = options.mustUseProp || no;
platformGetTagNamespace = options.getTagNamespace || no;
var isReservedTag = options.isReservedTag || no;
maybeComponent = function (el) { return !!(
el.component ||
el.attrsMap[':is'] ||
el.attrsMap['v-bind:is'] ||
!(el.attrsMap.is ? isReservedTag(el.attrsMap.is) : isReservedTag(el.tag))
); };
transforms = pluckModuleFunction(options.modules, 'transformNode');
preTransforms = pluckModuleFunction(options.modules, 'preTransformNode');
postTransforms = pluckModuleFunction(options.modules, 'postTransformNode');
delimiters = options.delimiters;
var stack = [];
var preserveWhitespace = options.preserveWhitespace !== false;
var whitespaceOption = options.whitespace;
var root;
var currentParent;
var inVPre = false;
var inPre = false;
var warned = false;
function warnOnce (msg, range) {
if (!warned) {
warned = true;
warn$1(msg, range);
}
}
function closeElement (element) {
trimEndingWhitespace(element);
if (!inVPre && !element.processed) {
element = processElement(element, options);
}
// tree management
if (!stack.length && element !== root) {
// allow root elements with v-if, v-else-if and v-else
if (root.if && (element.elseif || element.else)) {
{
checkRootConstraints(element);
}
addIfCondition(root, {
exp: element.elseif,
block: element
});
} else {
warnOnce(
"Component template should contain exactly one root element. " +
"If you are using v-if on multiple elements, " +
"use v-else-if to chain them instead.",
{ start: element.start }
);
}
}
if (currentParent && !element.forbidden) {
if (element.elseif || element.else) {
processIfConditions(element, currentParent);
} else {
if (element.slotScope) {
// scoped slot
// keep it in the children list so that v-else(-if) conditions can
// find it as the prev node.
var name = element.slotTarget || '"default"'
;(currentParent.scopedSlots || (currentParent.scopedSlots = {}))[name] = element;
}
currentParent.children.push(element);
element.parent = currentParent;
}
}
// final children cleanup
// filter out scoped slots
element.children = element.children.filter(function (c) { return !(c).slotScope; });
// remove trailing whitespace node again
trimEndingWhitespace(element);
// check pre state
if (element.pre) {
inVPre = false;
}
if (platformIsPreTag(element.tag)) {
inPre = false;
}
// apply post-transforms
for (var i = 0; i < postTransforms.length; i++) {
postTransforms[i](element, options);
}
}
function trimEndingWhitespace (el) {
// remove trailing whitespace node
if (!inPre) {
var lastNode;
while (
(lastNode = el.children[el.children.length - 1]) &&
lastNode.type === 3 &&
lastNode.text === ' '
) {
el.children.pop();
}
}
}
function checkRootConstraints (el) {
if (el.tag === 'slot' || el.tag === 'template') {
warnOnce(
"Cannot use <" + (el.tag) + "> as component root element because it may " +
'contain multiple nodes.',
{ start: el.start }
);
}
if (el.attrsMap.hasOwnProperty('v-for')) {
warnOnce(
'Cannot use v-for on stateful component root element because ' +
'it renders multiple elements.',
el.rawAttrsMap['v-for']
);
}
}
parseHTML(template, {
warn: warn$1,
expectHTML: options.expectHTML,
isUnaryTag: options.isUnaryTag,
canBeLeftOpenTag: options.canBeLeftOpenTag,
shouldDecodeNewlines: options.shouldDecodeNewlines,
shouldDecodeNewlinesForHref: options.shouldDecodeNewlinesForHref,
shouldKeepComment: options.comments,
outputSourceRange: options.outputSourceRange,
start: function start (tag, attrs, unary, start$1, end) {
// check namespace.
// inherit parent ns if there is one
var ns = (currentParent && currentParent.ns) || platformGetTagNamespace(tag);
// handle IE svg bug
/* istanbul ignore if */
if (isIE && ns === 'svg') {
attrs = guardIESVGBug(attrs);
}
var element = createASTElement(tag, attrs, currentParent);
if (ns) {
element.ns = ns;
}
{
if (options.outputSourceRange) {
element.start = start$1;
element.end = end;
element.rawAttrsMap = element.attrsList.reduce(function (cumulated, attr) {
cumulated[attr.name] = attr;
return cumulated
}, {});
}
attrs.forEach(function (attr) {
if (invalidAttributeRE.test(attr.name)) {
warn$1(
"Invalid dynamic argument expression: attribute names cannot contain " +
"spaces, quotes, <, >, / or =.",
{
start: attr.start + attr.name.indexOf("["),
end: attr.start + attr.name.length
}
);
}
});
}
if (isForbiddenTag(element) && !isServerRendering()) {
element.forbidden = true;
warn$1(
'Templates should only be responsible for mapping the state to the ' +
'UI. Avoid placing tags with side-effects in your templates, such as ' +
"<" + tag + ">" + ', as they will not be parsed.',
{ start: element.start }
);
}
// apply pre-transforms
for (var i = 0; i < preTransforms.length; i++) {
element = preTransforms[i](element, options) || element;
}
if (!inVPre) {
processPre(element);
if (element.pre) {
inVPre = true;
}
}
if (platformIsPreTag(element.tag)) {
inPre = true;
}
if (inVPre) {
processRawAttrs(element);
} else if (!element.processed) {
// structural directives
processFor(element);
processIf(element);
processOnce(element);
}
if (!root) {
root = element;
{
checkRootConstraints(root);
}
}
if (!unary) {
currentParent = element;
stack.push(element);
} else {
closeElement(element);
}
},
end: function end (tag, start, end$1) {
var element = stack[stack.length - 1];
// pop stack
stack.length -= 1;
currentParent = stack[stack.length - 1];
if (options.outputSourceRange) {
element.end = end$1;
}
closeElement(element);
},
chars: function chars (text, start, end) {
if (!currentParent) {
{
if (text === template) {
warnOnce(
'Component template requires a root element, rather than just text.',
{ start: start }
);
} else if ((text = text.trim())) {
warnOnce(
("text \"" + text + "\" outside root element will be ignored."),
{ start: start }
);
}
}
return
}
// IE textarea placeholder bug
/* istanbul ignore if */
if (isIE &&
currentParent.tag === 'textarea' &&
currentParent.attrsMap.placeholder === text
) {
return
}
var children = currentParent.children;
if (inPre || text.trim()) {
text = isTextTag(currentParent) ? text : decodeHTMLCached(text);
} else if (!children.length) {
// remove the whitespace-only node right after an opening tag
text = '';
} else if (whitespaceOption) {
if (whitespaceOption === 'condense') {
// in condense mode, remove the whitespace node if it contains
// line break, otherwise condense to a single space
text = lineBreakRE.test(text) ? '' : ' ';
} else {
text = ' ';
}
} else {
text = preserveWhitespace ? ' ' : '';
}
if (text) {
if (!inPre && whitespaceOption === 'condense') {
// condense consecutive whitespaces into single space
text = text.replace(whitespaceRE, ' ');
}
var res;
var child;
if (!inVPre && text !== ' ' && (res = parseText(text, delimiters))) {
child = {
type: 2,
expression: res.expression,
tokens: res.tokens,
text: text
};
} else if (text !== ' ' || !children.length || children[children.length - 1].text !== ' ') {
child = {
type: 3,
text: text
};
}
if (child) {
if (options.outputSourceRange) {
child.start = start;
child.end = end;
}
children.push(child);
}
}
},
comment: function comment (text, start, end) {
// adding anything as a sibling to the root node is forbidden
// comments should still be allowed, but ignored
if (currentParent) {
var child = {
type: 3,
text: text,
isComment: true
};
if (options.outputSourceRange) {
child.start = start;
child.end = end;
}
currentParent.children.push(child);
}
}
});
return root
}
function processPre (el) {
if (getAndRemoveAttr(el, 'v-pre') != null) {
el.pre = true;
}
}
function processRawAttrs (el) {
var list = el.attrsList;
var len = list.length;
if (len) {
var attrs = el.attrs = new Array(len);
for (var i = 0; i < len; i++) {
attrs[i] = {
name: list[i].name,
value: JSON.stringify(list[i].value)
};
if (list[i].start != null) {
attrs[i].start = list[i].start;
attrs[i].end = list[i].end;
}
}
} else if (!el.pre) {
// non root node in pre blocks with no attributes
el.plain = true;
}
}
function processElement (
element,
options
) {
processKey(element);
// determine whether this is a plain element after
// removing structural attributes
element.plain = (
!element.key &&
!element.scopedSlots &&
!element.attrsList.length
);
processRef(element);
processSlotContent(element);
processSlotOutlet(element);
processComponent(element);
for (var i = 0; i < transforms.length; i++) {
element = transforms[i](element, options) || element;
}
processAttrs(element);
return element
}
function processKey (el) {
var exp = getBindingAttr(el, 'key');
if (exp) {
{
if (el.tag === 'template') {
warn$1(
"<template> cannot be keyed. Place the key on real elements instead.",
getRawBindingAttr(el, 'key')
);
}
if (el.for) {
var iterator = el.iterator2 || el.iterator1;
var parent = el.parent;
if (iterator && iterator === exp && parent && parent.tag === 'transition-group') {
warn$1(
"Do not use v-for index as key on <transition-group> children, " +
"this is the same as not using keys.",
getRawBindingAttr(el, 'key'),
true /* tip */
);
}
}
}
el.key = exp;
}
}
function processRef (el) {
var ref = getBindingAttr(el, 'ref');
if (ref) {
el.ref = ref;
el.refInFor = checkInFor(el);
}
}
function processFor (el) {
var exp;
if ((exp = getAndRemoveAttr(el, 'v-for'))) {
var res = parseFor(exp);
if (res) {
extend(el, res);
} else {
warn$1(
("Invalid v-for expression: " + exp),
el.rawAttrsMap['v-for']
);
}
}
}
function parseFor (exp) {
var inMatch = exp.match(forAliasRE);
if (!inMatch) { return }
var res = {};
res.for = inMatch[2].trim();
var alias = inMatch[1].trim().replace(stripParensRE, '');
var iteratorMatch = alias.match(forIteratorRE);
if (iteratorMatch) {
res.alias = alias.replace(forIteratorRE, '').trim();
res.iterator1 = iteratorMatch[1].trim();
if (iteratorMatch[2]) {
res.iterator2 = iteratorMatch[2].trim();
}
} else {
res.alias = alias;
}
return res
}
function processIf (el) {
var exp = getAndRemoveAttr(el, 'v-if');
if (exp) {
el.if = exp;
addIfCondition(el, {
exp: exp,
block: el
});
} else {
if (getAndRemoveAttr(el, 'v-else') != null) {
el.else = true;
}
var elseif = getAndRemoveAttr(el, 'v-else-if');
if (elseif) {
el.elseif = elseif;
}
}
}
function processIfConditions (el, parent) {
var prev = findPrevElement(parent.children);
if (prev && prev.if) {
addIfCondition(prev, {
exp: el.elseif,
block: el
});
} else {
warn$1(
"v-" + (el.elseif ? ('else-if="' + el.elseif + '"') : 'else') + " " +
"used on element <" + (el.tag) + "> without corresponding v-if.",
el.rawAttrsMap[el.elseif ? 'v-else-if' : 'v-else']
);
}
}
function findPrevElement (children) {
var i = children.length;
while (i--) {
if (children[i].type === 1) {
return children[i]
} else {
if (children[i].text !== ' ') {
warn$1(
"text \"" + (children[i].text.trim()) + "\" between v-if and v-else(-if) " +
"will be ignored.",
children[i]
);
}
children.pop();
}
}
}
function addIfCondition (el, condition) {
if (!el.ifConditions) {
el.ifConditions = [];
}
el.ifConditions.push(condition);
}
function processOnce (el) {
var once$$1 = getAndRemoveAttr(el, 'v-once');
if (once$$1 != null) {
el.once = true;
}
}
// handle content being passed to a component as slot,
// e.g. <template slot="xxx">, <div slot-scope="xxx">
function processSlotContent (el) {
var slotScope;
if (el.tag === 'template') {
slotScope = getAndRemoveAttr(el, 'scope');
/* istanbul ignore if */
if (slotScope) {
warn$1(
"the \"scope\" attribute for scoped slots have been deprecated and " +
"replaced by \"slot-scope\" since 2.5. The new \"slot-scope\" attribute " +
"can also be used on plain elements in addition to <template> to " +
"denote scoped slots.",
el.rawAttrsMap['scope'],
true
);
}
el.slotScope = slotScope || getAndRemoveAttr(el, 'slot-scope');
} else if ((slotScope = getAndRemoveAttr(el, 'slot-scope'))) {
/* istanbul ignore if */
if (el.attrsMap['v-for']) {
warn$1(
"Ambiguous combined usage of slot-scope and v-for on <" + (el.tag) + "> " +
"(v-for takes higher priority). Use a wrapper <template> for the " +
"scoped slot to make it clearer.",
el.rawAttrsMap['slot-scope'],
true
);
}
el.slotScope = slotScope;
}
// slot="xxx"
var slotTarget = getBindingAttr(el, 'slot');
if (slotTarget) {
el.slotTarget = slotTarget === '""' ? '"default"' : slotTarget;
el.slotTargetDynamic = !!(el.attrsMap[':slot'] || el.attrsMap['v-bind:slot']);
// preserve slot as an attribute for native shadow DOM compat
// only for non-scoped slots.
if (el.tag !== 'template' && !el.slotScope) {
addAttr(el, 'slot', slotTarget, getRawBindingAttr(el, 'slot'));
}
}
// 2.6 v-slot syntax
{
if (el.tag === 'template') {
// v-slot on <template>
var slotBinding = getAndRemoveAttrByRegex(el, slotRE);
if (slotBinding) {
{
if (el.slotTarget || el.slotScope) {
warn$1(
"Unexpected mixed usage of different slot syntaxes.",
el
);
}
if (el.parent && !maybeComponent(el.parent)) {
warn$1(
"<template v-slot> can only appear at the root level inside " +
"the receiving component",
el
);
}
}
var ref = getSlotName(slotBinding);
var name = ref.name;
var dynamic = ref.dynamic;
el.slotTarget = name;
el.slotTargetDynamic = dynamic;
el.slotScope = slotBinding.value || emptySlotScopeToken; // force it into a scoped slot for perf
}
} else {
// v-slot on component, denotes default slot
var slotBinding$1 = getAndRemoveAttrByRegex(el, slotRE);
if (slotBinding$1) {
{
if (!maybeComponent(el)) {
warn$1(
"v-slot can only be used on components or <template>.",
slotBinding$1
);
}
if (el.slotScope || el.slotTarget) {
warn$1(
"Unexpected mixed usage of different slot syntaxes.",
el
);
}
if (el.scopedSlots) {
warn$1(
"To avoid scope ambiguity, the default slot should also use " +
"<template> syntax when there are other named slots.",
slotBinding$1
);
}
}
// add the component's children to its default slot
var slots = el.scopedSlots || (el.scopedSlots = {});
var ref$1 = getSlotName(slotBinding$1);
var name$1 = ref$1.name;
var dynamic$1 = ref$1.dynamic;
var slotContainer = slots[name$1] = createASTElement('template', [], el);
slotContainer.slotTarget = name$1;
slotContainer.slotTargetDynamic = dynamic$1;
slotContainer.children = el.children.filter(function (c) {
if (!c.slotScope) {
c.parent = slotContainer;
return true
}
});
slotContainer.slotScope = slotBinding$1.value || emptySlotScopeToken;
// remove children as they are returned from scopedSlots now
el.children = [];
// mark el non-plain so data gets generated
el.plain = false;
}
}
}
}
function getSlotName (binding) {
var name = binding.name.replace(slotRE, '');
if (!name) {
if (binding.name[0] !== '#') {
name = 'default';
} else {
warn$1(
"v-slot shorthand syntax requires a slot name.",
binding
);
}
}
return dynamicArgRE.test(name)
// dynamic [name]
? { name: name.slice(1, -1), dynamic: true }
// static name
: { name: ("\"" + name + "\""), dynamic: false }
}
// handle <slot/> outlets
function processSlotOutlet (el) {
if (el.tag === 'slot') {
el.slotName = getBindingAttr(el, 'name');
if (el.key) {
warn$1(
"`key` does not work on <slot> because slots are abstract outlets " +
"and can possibly expand into multiple elements. " +
"Use the key on a wrapping element instead.",
getRawBindingAttr(el, 'key')
);
}
}
}
function processComponent (el) {
var binding;
if ((binding = getBindingAttr(el, 'is'))) {
el.component = binding;
}
if (getAndRemoveAttr(el, 'inline-template') != null) {
el.inlineTemplate = true;
}
}
function processAttrs (el) {
var list = el.attrsList;
var i, l, name, rawName, value, modifiers, syncGen, isDynamic;
for (i = 0, l = list.length; i < l; i++) {
name = rawName = list[i].name;
value = list[i].value;
if (dirRE.test(name)) {
// mark element as dynamic
el.hasBindings = true;
// modifiers
modifiers = parseModifiers(name.replace(dirRE, ''));
// support .foo shorthand syntax for the .prop modifier
if (modifiers) {
name = name.replace(modifierRE, '');
}
if (bindRE.test(name)) { // v-bind
name = name.replace(bindRE, '');
value = parseFilters(value);
isDynamic = dynamicArgRE.test(name);
if (isDynamic) {
name = name.slice(1, -1);
}
if (
value.trim().length === 0
) {
warn$1(
("The value for a v-bind expression cannot be empty. Found in \"v-bind:" + name + "\"")
);
}
if (modifiers) {
if (modifiers.prop && !isDynamic) {
name = camelize(name);
if (name === 'innerHtml') { name = 'innerHTML'; }
}
if (modifiers.camel && !isDynamic) {
name = camelize(name);
}
if (modifiers.sync) {
syncGen = genAssignmentCode(value, "$event");
if (!isDynamic) {
addHandler(
el,
("update:" + (camelize(name))),
syncGen,
null,
false,
warn$1,
list[i]
);
if (hyphenate(name) !== camelize(name)) {
addHandler(
el,
("update:" + (hyphenate(name))),
syncGen,
null,
false,
warn$1,
list[i]
);
}
} else {
// handler w/ dynamic event name
addHandler(
el,
("\"update:\"+(" + name + ")"),
syncGen,
null,
false,
warn$1,
list[i],
true // dynamic
);
}
}
}
if ((modifiers && modifiers.prop) || (
!el.component && platformMustUseProp(el.tag, el.attrsMap.type, name)
)) {
addProp(el, name, value, list[i], isDynamic);
} else {
addAttr(el, name, value, list[i], isDynamic);
}
} else if (onRE.test(name)) { // v-on
name = name.replace(onRE, '');
isDynamic = dynamicArgRE.test(name);
if (isDynamic) {
name = name.slice(1, -1);
}
addHandler(el, name, value, modifiers, false, warn$1, list[i], isDynamic);
} else { // normal directives
name = name.replace(dirRE, '');
// parse arg
var argMatch = name.match(argRE);
var arg = argMatch && argMatch[1];
isDynamic = false;
if (arg) {
name = name.slice(0, -(arg.length + 1));
if (dynamicArgRE.test(arg)) {
arg = arg.slice(1, -1);
isDynamic = true;
}
}
addDirective(el, name, rawName, value, arg, isDynamic, modifiers, list[i]);
if (name === 'model') {
checkForAliasModel(el, value);
}
}
} else {
// literal attribute
{
var res = parseText(value, delimiters);
if (res) {
warn$1(
name + "=\"" + value + "\": " +
'Interpolation inside attributes has been removed. ' +
'Use v-bind or the colon shorthand instead. For example, ' +
'instead of <div id="{{ val }}">, use <div :id="val">.',
list[i]
);
}
}
addAttr(el, name, JSON.stringify(value), list[i]);
// #6887 firefox doesn't update muted state if set via attribute
// even immediately after element creation
if (!el.component &&
name === 'muted' &&
platformMustUseProp(el.tag, el.attrsMap.type, name)) {
addProp(el, name, 'true', list[i]);
}
}
}
}
function checkInFor (el) {
var parent = el;
while (parent) {
if (parent.for !== undefined) {
return true
}
parent = parent.parent;
}
return false
}
function parseModifiers (name) {
var match = name.match(modifierRE);
if (match) {
var ret = {};
match.forEach(function (m) { ret[m.slice(1)] = true; });
return ret
}
}
function makeAttrsMap (attrs) {
var map = {};
for (var i = 0, l = attrs.length; i < l; i++) {
if (
map[attrs[i].name] && !isIE && !isEdge
) {
warn$1('duplicate attribute: ' + attrs[i].name, attrs[i]);
}
map[attrs[i].name] = attrs[i].value;
}
return map
}
// for script (e.g. type="x/template") or style, do not decode content
function isTextTag (el) {
return el.tag === 'script' || el.tag === 'style'
}
function isForbiddenTag (el) {
return (
el.tag === 'style' ||
(el.tag === 'script' && (
!el.attrsMap.type ||
el.attrsMap.type === 'text/javascript'
))
)
}
var ieNSBug = /^xmlns:NS\d+/;
var ieNSPrefix = /^NS\d+:/;
/* istanbul ignore next */
function guardIESVGBug (attrs) {
var res = [];
for (var i = 0; i < attrs.length; i++) {
var attr = attrs[i];
if (!ieNSBug.test(attr.name)) {
attr.name = attr.name.replace(ieNSPrefix, '');
res.push(attr);
}
}
return res
}
function checkForAliasModel (el, value) {
var _el = el;
while (_el) {
if (_el.for && _el.alias === value) {
warn$1(
"<" + (el.tag) + " v-model=\"" + value + "\">: " +
"You are binding v-model directly to a v-for iteration alias. " +
"This will not be able to modify the v-for source array because " +
"writing to the alias is like modifying a function local variable. " +
"Consider using an array of objects and use v-model on an object property instead.",
el.rawAttrsMap['v-model']
);
}
_el = _el.parent;
}
}
/* */
function preTransformNode (el, options) {
if (el.tag === 'input') {
var map = el.attrsMap;
if (!map['v-model']) {
return
}
var typeBinding;
if (map[':type'] || map['v-bind:type']) {
typeBinding = getBindingAttr(el, 'type');
}
if (!map.type && !typeBinding && map['v-bind']) {
typeBinding = "(" + (map['v-bind']) + ").type";
}
if (typeBinding) {
var ifCondition = getAndRemoveAttr(el, 'v-if', true);
var ifConditionExtra = ifCondition ? ("&&(" + ifCondition + ")") : "";
var hasElse = getAndRemoveAttr(el, 'v-else', true) != null;
var elseIfCondition = getAndRemoveAttr(el, 'v-else-if', true);
// 1. checkbox
var branch0 = cloneASTElement(el);
// process for on the main node
processFor(branch0);
addRawAttr(branch0, 'type', 'checkbox');
processElement(branch0, options);
branch0.processed = true; // prevent it from double-processed
branch0.if = "(" + typeBinding + ")==='checkbox'" + ifConditionExtra;
addIfCondition(branch0, {
exp: branch0.if,
block: branch0
});
// 2. add radio else-if condition
var branch1 = cloneASTElement(el);
getAndRemoveAttr(branch1, 'v-for', true);
addRawAttr(branch1, 'type', 'radio');
processElement(branch1, options);
addIfCondition(branch0, {
exp: "(" + typeBinding + ")==='radio'" + ifConditionExtra,
block: branch1
});
// 3. other
var branch2 = cloneASTElement(el);
getAndRemoveAttr(branch2, 'v-for', true);
addRawAttr(branch2, ':type', typeBinding);
processElement(branch2, options);
addIfCondition(branch0, {
exp: ifCondition,
block: branch2
});
if (hasElse) {
branch0.else = true;
} else if (elseIfCondition) {
branch0.elseif = elseIfCondition;
}
return branch0
}
}
}
function cloneASTElement (el) {
return createASTElement(el.tag, el.attrsList.slice(), el.parent)
}
var model$1 = {
preTransformNode: preTransformNode
};
var modules$1 = [
klass,
style,
model$1
];
/* */
var warn$2;
// in some cases, the event used has to be determined at runtime
// so we used some reserved tokens during compile.
var RANGE_TOKEN = '__r';
function model$2 (
el,
dir,
_warn
) {
warn$2 = _warn;
var value = dir.value;
var modifiers = dir.modifiers;
var tag = el.tag;
var type = el.attrsMap.type;
{
// inputs with type="file" are read only and setting the input's
// value will throw an error.
if (tag === 'input' && type === 'file') {
warn$2(
"<" + (el.tag) + " v-model=\"" + value + "\" type=\"file\">:\n" +
"File inputs are read only. Use a v-on:change listener instead.",
el.rawAttrsMap['v-model']
);
}
}
if (el.component) {
genComponentModel(el, value, modifiers);
// component v-model doesn't need extra runtime
return false
} else if (tag === 'select') {
genSelect(el, value, modifiers);
} else if (tag === 'input' && type === 'checkbox') {
genCheckboxModel(el, value, modifiers);
} else if (tag === 'input' && type === 'radio') {
genRadioModel(el, value, modifiers);
} else if (tag === 'input' || tag === 'textarea') {
genDefaultModel(el, value, modifiers);
} else {
genComponentModel(el, value, modifiers);
// component v-model doesn't need extra runtime
return false
}
// ensure runtime directive metadata
return true
}
function genCheckboxModel (
el,
value,
modifiers
) {
var number = modifiers && modifiers.number;
var valueBinding = getBindingAttr(el, 'value') || 'null';
var trueValueBinding = getBindingAttr(el, 'true-value') || 'true';
var falseValueBinding = getBindingAttr(el, 'false-value') || 'false';
addProp(el, 'checked',
"Array.isArray(" + value + ")" +
"?_i(" + value + "," + valueBinding + ")>-1" + (
trueValueBinding === 'true'
? (":(" + value + ")")
: (":_q(" + value + "," + trueValueBinding + ")")
)
);
addHandler(el, 'change',
"var $$a=" + value + "," +
'$$el=$event.target,' +
"$$c=$$el.checked?(" + trueValueBinding + "):(" + falseValueBinding + ");" +
'if(Array.isArray($$a)){' +
"var $$v=" + (number ? '_n(' + valueBinding + ')' : valueBinding) + "," +
'$$i=_i($$a,$$v);' +
"if($$el.checked){$$i<0&&(" + (genAssignmentCode(value, '$$a.concat([$$v])')) + ")}" +
"else{$$i>-1&&(" + (genAssignmentCode(value, '$$a.slice(0,$$i).concat($$a.slice($$i+1))')) + ")}" +
"}else{" + (genAssignmentCode(value, '$$c')) + "}",
null, true
);
}
function genRadioModel (
el,
value,
modifiers
) {
var number = modifiers && modifiers.number;
var valueBinding = getBindingAttr(el, 'value') || 'null';
valueBinding = number ? ("_n(" + valueBinding + ")") : valueBinding;
addProp(el, 'checked', ("_q(" + value + "," + valueBinding + ")"));
addHandler(el, 'change', genAssignmentCode(value, valueBinding), null, true);
}
function genSelect (
el,
value,
modifiers
) {
var number = modifiers && modifiers.number;
var selectedVal = "Array.prototype.filter" +
".call($event.target.options,function(o){return o.selected})" +
".map(function(o){var val = \"_value\" in o ? o._value : o.value;" +
"return " + (number ? '_n(val)' : 'val') + "})";
var assignment = '$event.target.multiple ? $$selectedVal : $$selectedVal[0]';
var code = "var $$selectedVal = " + selectedVal + ";";
code = code + " " + (genAssignmentCode(value, assignment));
addHandler(el, 'change', code, null, true);
}
function genDefaultModel (
el,
value,
modifiers
) {
var type = el.attrsMap.type;
// warn if v-bind:value conflicts with v-model
// except for inputs with v-bind:type
{
var value$1 = el.attrsMap['v-bind:value'] || el.attrsMap[':value'];
var typeBinding = el.attrsMap['v-bind:type'] || el.attrsMap[':type'];
if (value$1 && !typeBinding) {
var binding = el.attrsMap['v-bind:value'] ? 'v-bind:value' : ':value';
warn$2(
binding + "=\"" + value$1 + "\" conflicts with v-model on the same element " +
'because the latter already expands to a value binding internally',
el.rawAttrsMap[binding]
);
}
}
var ref = modifiers || {};
var lazy = ref.lazy;
var number = ref.number;
var trim = ref.trim;
var needCompositionGuard = !lazy && type !== 'range';
var event = lazy
? 'change'
: type === 'range'
? RANGE_TOKEN
: 'input';
var valueExpression = '$event.target.value';
if (trim) {
valueExpression = "$event.target.value.trim()";
}
if (number) {
valueExpression = "_n(" + valueExpression + ")";
}
var code = genAssignmentCode(value, valueExpression);
if (needCompositionGuard) {
code = "if($event.target.composing)return;" + code;
}
addProp(el, 'value', ("(" + value + ")"));
addHandler(el, event, code, null, true);
if (trim || number) {
addHandler(el, 'blur', '$forceUpdate()');
}
}
/* */
function text (el, dir) {
if (dir.value) {
addProp(el, 'textContent', ("_s(" + (dir.value) + ")"), dir);
}
}
/* */
function html (el, dir) {
if (dir.value) {
addProp(el, 'innerHTML', ("_s(" + (dir.value) + ")"), dir);
}
}
var directives = {
model: model$2,
text: text,
html: html
};
/* */
var baseOptions = {
expectHTML: true,
modules: modules$1,
directives: directives,
isPreTag: isPreTag,
isUnaryTag: isUnaryTag,
mustUseProp: mustUseProp,
canBeLeftOpenTag: canBeLeftOpenTag,
isReservedTag: isReservedTag,
getTagNamespace: getTagNamespace,
staticKeys: genStaticKeys(modules$1)
};
/* */
var fnExpRE = /^([\w$_]+|\([^)]*?\))\s*=>|^function(?:\s+[\w$]+)?\s*\(/;
var fnInvokeRE = /\([^)]*?\);*$/;
var simplePathRE = /^[A-Za-z_$][\w$]*(?:\.[A-Za-z_$][\w$]*|\['[^']*?']|\["[^"]*?"]|\[\d+]|\[[A-Za-z_$][\w$]*])*$/;
// KeyboardEvent.keyCode aliases
var keyCodes = {
esc: 27,
tab: 9,
enter: 13,
space: 32,
up: 38,
left: 37,
right: 39,
down: 40,
'delete': [8, 46]
};
// KeyboardEvent.key aliases
var keyNames = {
// #7880: IE11 and Edge use `Esc` for Escape key name.
esc: ['Esc', 'Escape'],
tab: 'Tab',
enter: 'Enter',
// #9112: IE11 uses `Spacebar` for Space key name.
space: [' ', 'Spacebar'],
// #7806: IE11 uses key names without `Arrow` prefix for arrow keys.
up: ['Up', 'ArrowUp'],
left: ['Left', 'ArrowLeft'],
right: ['Right', 'ArrowRight'],
down: ['Down', 'ArrowDown'],
// #9112: IE11 uses `Del` for Delete key name.
'delete': ['Backspace', 'Delete', 'Del']
};
// #4868: modifiers that prevent the execution of the listener
// need to explicitly return null so that we can determine whether to remove
// the listener for .once
var genGuard = function (condition) { return ("if(" + condition + ")return null;"); };
var modifierCode = {
stop: '$event.stopPropagation();',
prevent: '$event.preventDefault();',
self: genGuard("$event.target !== $event.currentTarget"),
ctrl: genGuard("!$event.ctrlKey"),
shift: genGuard("!$event.shiftKey"),
alt: genGuard("!$event.altKey"),
meta: genGuard("!$event.metaKey"),
left: genGuard("'button' in $event && $event.button !== 0"),
middle: genGuard("'button' in $event && $event.button !== 1"),
right: genGuard("'button' in $event && $event.button !== 2")
};
function genHandlers (
events,
isNative
) {
var prefix = isNative ? 'nativeOn:' : 'on:';
var staticHandlers = "";
var dynamicHandlers = "";
for (var name in events) {
var handlerCode = genHandler(events[name]);
if (events[name] && events[name].dynamic) {
dynamicHandlers += name + "," + handlerCode + ",";
} else {
staticHandlers += "\"" + name + "\":" + handlerCode + ",";
}
}
staticHandlers = "{" + (staticHandlers.slice(0, -1)) + "}";
if (dynamicHandlers) {
return prefix + "_d(" + staticHandlers + ",[" + (dynamicHandlers.slice(0, -1)) + "])"
} else {
return prefix + staticHandlers
}
}
function genHandler (handler) {
if (!handler) {
return 'function(){}'
}
if (Array.isArray(handler)) {
return ("[" + (handler.map(function (handler) { return genHandler(handler); }).join(',')) + "]")
}
var isMethodPath = simplePathRE.test(handler.value);
var isFunctionExpression = fnExpRE.test(handler.value);
var isFunctionInvocation = simplePathRE.test(handler.value.replace(fnInvokeRE, ''));
if (!handler.modifiers) {
if (isMethodPath || isFunctionExpression) {
return handler.value
}
return ("function($event){" + (isFunctionInvocation ? ("return " + (handler.value)) : handler.value) + "}") // inline statement
} else {
var code = '';
var genModifierCode = '';
var keys = [];
for (var key in handler.modifiers) {
if (modifierCode[key]) {
genModifierCode += modifierCode[key];
// left/right
if (keyCodes[key]) {
keys.push(key);
}
} else if (key === 'exact') {
var modifiers = (handler.modifiers);
genModifierCode += genGuard(
['ctrl', 'shift', 'alt', 'meta']
.filter(function (keyModifier) { return !modifiers[keyModifier]; })
.map(function (keyModifier) { return ("$event." + keyModifier + "Key"); })
.join('||')
);
} else {
keys.push(key);
}
}
if (keys.length) {
code += genKeyFilter(keys);
}
// Make sure modifiers like prevent and stop get executed after key filtering
if (genModifierCode) {
code += genModifierCode;
}
var handlerCode = isMethodPath
? ("return " + (handler.value) + ".apply(null, arguments)")
: isFunctionExpression
? ("return (" + (handler.value) + ").apply(null, arguments)")
: isFunctionInvocation
? ("return " + (handler.value))
: handler.value;
return ("function($event){" + code + handlerCode + "}")
}
}
function genKeyFilter (keys) {
return (
// make sure the key filters only apply to KeyboardEvents
// #9441: can't use 'keyCode' in $event because Chrome autofill fires fake
// key events that do not have keyCode property...
"if(!$event.type.indexOf('key')&&" +
(keys.map(genFilterCode).join('&&')) + ")return null;"
)
}
function genFilterCode (key) {
var keyVal = parseInt(key, 10);
if (keyVal) {
return ("$event.keyCode!==" + keyVal)
}
var keyCode = keyCodes[key];
var keyName = keyNames[key];
return (
"_k($event.keyCode," +
(JSON.stringify(key)) + "," +
(JSON.stringify(keyCode)) + "," +
"$event.key," +
"" + (JSON.stringify(keyName)) +
")"
)
}
/* */
function on (el, dir) {
if (dir.modifiers) {
warn("v-on without argument does not support modifiers.");
}
el.wrapListeners = function (code) { return ("_g(" + code + "," + (dir.value) + ")"); };
}
/* */
function bind$1 (el, dir) {
el.wrapData = function (code) {
return ("_b(" + code + ",'" + (el.tag) + "'," + (dir.value) + "," + (dir.modifiers && dir.modifiers.prop ? 'true' : 'false') + (dir.modifiers && dir.modifiers.sync ? ',true' : '') + ")")
};
}
/* */
var baseDirectives$1 = {
on: on,
bind: bind$1,
cloak: noop
};
/* */
var CodegenState = function CodegenState (options) {
this.options = options;
this.warn = options.warn || baseWarn;
this.transforms = pluckModuleFunction(options.modules, 'transformCode');
this.dataGenFns = pluckModuleFunction(options.modules, 'genData');
this.directives = extend(extend({}, baseDirectives$1), options.directives);
var isReservedTag = options.isReservedTag || no;
this.maybeComponent = function (el) { return !!el.component || !isReservedTag(el.tag); };
this.onceId = 0;
this.staticRenderFns = [];
this.pre = false;
};
function generate (
ast,
options
) {
var state = new CodegenState(options);
// fix #11483, Root level <script> tags should not be rendered.
var code = ast ? (ast.tag === 'script' ? 'null' : genElement(ast, state)) : '_c("div")';
return {
render: ("with(this){return " + code + "}"),
staticRenderFns: state.staticRenderFns
}
}
function genElement (el, state) {
if (el.parent) {
el.pre = el.pre || el.parent.pre;
}
if (el.staticRoot && !el.staticProcessed) {
return genStatic(el, state)
} else if (el.once && !el.onceProcessed) {
return genOnce(el, state)
} else if (el.for && !el.forProcessed) {
return genFor(el, state)
} else if (el.if && !el.ifProcessed) {
return genIf(el, state)
} else if (el.tag === 'template' && !el.slotTarget && !state.pre) {
return genChildren(el, state) || 'void 0'
} else if (el.tag === 'slot') {
return genSlot(el, state)
} else {
// component or element
var code;
if (el.component) {
code = genComponent(el.component, el, state);
} else {
var data;
if (!el.plain || (el.pre && state.maybeComponent(el))) {
data = genData$2(el, state);
}
var children = el.inlineTemplate ? null : genChildren(el, state, true);
code = "_c('" + (el.tag) + "'" + (data ? ("," + data) : '') + (children ? ("," + children) : '') + ")";
}
// module transforms
for (var i = 0; i < state.transforms.length; i++) {
code = state.transforms[i](el, code);
}
return code
}
}
// hoist static sub-trees out
function genStatic (el, state) {
el.staticProcessed = true;
// Some elements (templates) need to behave differently inside of a v-pre
// node. All pre nodes are static roots, so we can use this as a location to
// wrap a state change and reset it upon exiting the pre node.
var originalPreState = state.pre;
if (el.pre) {
state.pre = el.pre;
}
state.staticRenderFns.push(("with(this){return " + (genElement(el, state)) + "}"));
state.pre = originalPreState;
return ("_m(" + (state.staticRenderFns.length - 1) + (el.staticInFor ? ',true' : '') + ")")
}
// v-once
function genOnce (el, state) {
el.onceProcessed = true;
if (el.if && !el.ifProcessed) {
return genIf(el, state)
} else if (el.staticInFor) {
var key = '';
var parent = el.parent;
while (parent) {
if (parent.for) {
key = parent.key;
break
}
parent = parent.parent;
}
if (!key) {
state.warn(
"v-once can only be used inside v-for that is keyed. ",
el.rawAttrsMap['v-once']
);
return genElement(el, state)
}
return ("_o(" + (genElement(el, state)) + "," + (state.onceId++) + "," + key + ")")
} else {
return genStatic(el, state)
}
}
function genIf (
el,
state,
altGen,
altEmpty
) {
el.ifProcessed = true; // avoid recursion
return genIfConditions(el.ifConditions.slice(), state, altGen, altEmpty)
}
function genIfConditions (
conditions,
state,
altGen,
altEmpty
) {
if (!conditions.length) {
return altEmpty || '_e()'
}
var condition = conditions.shift();
if (condition.exp) {
return ("(" + (condition.exp) + ")?" + (genTernaryExp(condition.block)) + ":" + (genIfConditions(conditions, state, altGen, altEmpty)))
} else {
return ("" + (genTernaryExp(condition.block)))
}
// v-if with v-once should generate code like (a)?_m(0):_m(1)
function genTernaryExp (el) {
return altGen
? altGen(el, state)
: el.once
? genOnce(el, state)
: genElement(el, state)
}
}
function genFor (
el,
state,
altGen,
altHelper
) {
var exp = el.for;
var alias = el.alias;
var iterator1 = el.iterator1 ? ("," + (el.iterator1)) : '';
var iterator2 = el.iterator2 ? ("," + (el.iterator2)) : '';
if (state.maybeComponent(el) &&
el.tag !== 'slot' &&
el.tag !== 'template' &&
!el.key
) {
state.warn(
"<" + (el.tag) + " v-for=\"" + alias + " in " + exp + "\">: component lists rendered with " +
"v-for should have explicit keys. " +
"See https://v2.vuejs.org/v2/guide/list.html#Maintaining-State for more info.",
el.rawAttrsMap['v-for'],
true /* tip */
);
}
el.forProcessed = true; // avoid recursion
return (altHelper || '_l') + "((" + exp + ")," +
"function(" + alias + iterator1 + iterator2 + "){" +
"return " + ((altGen || genElement)(el, state)) +
'})'
}
function genData$2 (el, state) {
var data = '{';
// directives first.
// directives may mutate the el's other properties before they are generated.
var dirs = genDirectives(el, state);
if (dirs) { data += dirs + ','; }
// key
if (el.key) {
data += "key:" + (el.key) + ",";
}
// ref
if (el.ref) {
data += "ref:" + (el.ref) + ",";
}
if (el.refInFor) {
data += "refInFor:true,";
}
// pre
if (el.pre) {
data += "pre:true,";
}
// record original tag name for components using "is" attribute
if (el.component) {
data += "tag:\"" + (el.tag) + "\",";
}
// module data generation functions
for (var i = 0; i < state.dataGenFns.length; i++) {
data += state.dataGenFns[i](el);
}
// attributes
if (el.attrs) {
data += "attrs:" + (genProps(el.attrs)) + ",";
}
// DOM props
if (el.props) {
data += "domProps:" + (genProps(el.props)) + ",";
}
// event handlers
if (el.events) {
data += (genHandlers(el.events, false)) + ",";
}
if (el.nativeEvents) {
data += (genHandlers(el.nativeEvents, true)) + ",";
}
// slot target
// only for non-scoped slots
if (el.slotTarget && !el.slotScope) {
data += "slot:" + (el.slotTarget) + ",";
}
// scoped slots
if (el.scopedSlots) {
data += (genScopedSlots(el, el.scopedSlots, state)) + ",";
}
// component v-model
if (el.model) {
data += "model:{value:" + (el.model.value) + ",callback:" + (el.model.callback) + ",expression:" + (el.model.expression) + "},";
}
// inline-template
if (el.inlineTemplate) {
var inlineTemplate = genInlineTemplate(el, state);
if (inlineTemplate) {
data += inlineTemplate + ",";
}
}
data = data.replace(/,$/, '') + '}';
// v-bind dynamic argument wrap
// v-bind with dynamic arguments must be applied using the same v-bind object
// merge helper so that class/style/mustUseProp attrs are handled correctly.
if (el.dynamicAttrs) {
data = "_b(" + data + ",\"" + (el.tag) + "\"," + (genProps(el.dynamicAttrs)) + ")";
}
// v-bind data wrap
if (el.wrapData) {
data = el.wrapData(data);
}
// v-on data wrap
if (el.wrapListeners) {
data = el.wrapListeners(data);
}
return data
}
function genDirectives (el, state) {
var dirs = el.directives;
if (!dirs) { return }
var res = 'directives:[';
var hasRuntime = false;
var i, l, dir, needRuntime;
for (i = 0, l = dirs.length; i < l; i++) {
dir = dirs[i];
needRuntime = true;
var gen = state.directives[dir.name];
if (gen) {
// compile-time directive that manipulates AST.
// returns true if it also needs a runtime counterpart.
needRuntime = !!gen(el, dir, state.warn);
}
if (needRuntime) {
hasRuntime = true;
res += "{name:\"" + (dir.name) + "\",rawName:\"" + (dir.rawName) + "\"" + (dir.value ? (",value:(" + (dir.value) + "),expression:" + (JSON.stringify(dir.value))) : '') + (dir.arg ? (",arg:" + (dir.isDynamicArg ? dir.arg : ("\"" + (dir.arg) + "\""))) : '') + (dir.modifiers ? (",modifiers:" + (JSON.stringify(dir.modifiers))) : '') + "},";
}
}
if (hasRuntime) {
return res.slice(0, -1) + ']'
}
}
function genInlineTemplate (el, state) {
var ast = el.children[0];
if (el.children.length !== 1 || ast.type !== 1) {
state.warn(
'Inline-template components must have exactly one child element.',
{ start: el.start }
);
}
if (ast && ast.type === 1) {
var inlineRenderFns = generate(ast, state.options);
return ("inlineTemplate:{render:function(){" + (inlineRenderFns.render) + "},staticRenderFns:[" + (inlineRenderFns.staticRenderFns.map(function (code) { return ("function(){" + code + "}"); }).join(',')) + "]}")
}
}
function genScopedSlots (
el,
slots,
state
) {
// by default scoped slots are considered "stable", this allows child
// components with only scoped slots to skip forced updates from parent.
// but in some cases we have to bail-out of this optimization
// for example if the slot contains dynamic names, has v-if or v-for on them...
var needsForceUpdate = el.for || Object.keys(slots).some(function (key) {
var slot = slots[key];
return (
slot.slotTargetDynamic ||
slot.if ||
slot.for ||
containsSlotChild(slot) // is passing down slot from parent which may be dynamic
)
});
// #9534: if a component with scoped slots is inside a conditional branch,
// it's possible for the same component to be reused but with different
// compiled slot content. To avoid that, we generate a unique key based on
// the generated code of all the slot contents.
var needsKey = !!el.if;
// OR when it is inside another scoped slot or v-for (the reactivity may be
// disconnected due to the intermediate scope variable)
// #9438, #9506
// TODO: this can be further optimized by properly analyzing in-scope bindings
// and skip force updating ones that do not actually use scope variables.
if (!needsForceUpdate) {
var parent = el.parent;
while (parent) {
if (
(parent.slotScope && parent.slotScope !== emptySlotScopeToken) ||
parent.for
) {
needsForceUpdate = true;
break
}
if (parent.if) {
needsKey = true;
}
parent = parent.parent;
}
}
var generatedSlots = Object.keys(slots)
.map(function (key) { return genScopedSlot(slots[key], state); })
.join(',');
return ("scopedSlots:_u([" + generatedSlots + "]" + (needsForceUpdate ? ",null,true" : "") + (!needsForceUpdate && needsKey ? (",null,false," + (hash(generatedSlots))) : "") + ")")
}
function hash(str) {
var hash = 5381;
var i = str.length;
while(i) {
hash = (hash * 33) ^ str.charCodeAt(--i);
}
return hash >>> 0
}
function containsSlotChild (el) {
if (el.type === 1) {
if (el.tag === 'slot') {
return true
}
return el.children.some(containsSlotChild)
}
return false
}
function genScopedSlot (
el,
state
) {
var isLegacySyntax = el.attrsMap['slot-scope'];
if (el.if && !el.ifProcessed && !isLegacySyntax) {
return genIf(el, state, genScopedSlot, "null")
}
if (el.for && !el.forProcessed) {
return genFor(el, state, genScopedSlot)
}
var slotScope = el.slotScope === emptySlotScopeToken
? ""
: String(el.slotScope);
var fn = "function(" + slotScope + "){" +
"return " + (el.tag === 'template'
? el.if && isLegacySyntax
? ("(" + (el.if) + ")?" + (genChildren(el, state) || 'undefined') + ":undefined")
: genChildren(el, state) || 'undefined'
: genElement(el, state)) + "}";
// reverse proxy v-slot without scope on this.$slots
var reverseProxy = slotScope ? "" : ",proxy:true";
return ("{key:" + (el.slotTarget || "\"default\"") + ",fn:" + fn + reverseProxy + "}")
}
function genChildren (
el,
state,
checkSkip,
altGenElement,
altGenNode
) {
var children = el.children;
if (children.length) {
var el$1 = children[0];
// optimize single v-for
if (children.length === 1 &&
el$1.for &&
el$1.tag !== 'template' &&
el$1.tag !== 'slot'
) {
var normalizationType = checkSkip
? state.maybeComponent(el$1) ? ",1" : ",0"
: "";
return ("" + ((altGenElement || genElement)(el$1, state)) + normalizationType)
}
var normalizationType$1 = checkSkip
? getNormalizationType(children, state.maybeComponent)
: 0;
var gen = altGenNode || genNode;
return ("[" + (children.map(function (c) { return gen(c, state); }).join(',')) + "]" + (normalizationType$1 ? ("," + normalizationType$1) : ''))
}
}
// determine the normalization needed for the children array.
// 0: no normalization needed
// 1: simple normalization needed (possible 1-level deep nested array)
// 2: full normalization needed
function getNormalizationType (
children,
maybeComponent
) {
var res = 0;
for (var i = 0; i < children.length; i++) {
var el = children[i];
if (el.type !== 1) {
continue
}
if (needsNormalization(el) ||
(el.ifConditions && el.ifConditions.some(function (c) { return needsNormalization(c.block); }))) {
res = 2;
break
}
if (maybeComponent(el) ||
(el.ifConditions && el.ifConditions.some(function (c) { return maybeComponent(c.block); }))) {
res = 1;
}
}
return res
}
function needsNormalization (el) {
return el.for !== undefined || el.tag === 'template' || el.tag === 'slot'
}
function genNode (node, state) {
if (node.type === 1) {
return genElement(node, state)
} else if (node.type === 3 && node.isComment) {
return genComment(node)
} else {
return genText(node)
}
}
function genText (text) {
return ("_v(" + (text.type === 2
? text.expression // no need for () because already wrapped in _s()
: transformSpecialNewlines(JSON.stringify(text.text))) + ")")
}
function genComment (comment) {
return ("_e(" + (JSON.stringify(comment.text)) + ")")
}
function genSlot (el, state) {
var slotName = el.slotName || '"default"';
var children = genChildren(el, state);
var res = "_t(" + slotName + (children ? (",function(){return " + children + "}") : '');
var attrs = el.attrs || el.dynamicAttrs
? genProps((el.attrs || []).concat(el.dynamicAttrs || []).map(function (attr) { return ({
// slot props are camelized
name: camelize(attr.name),
value: attr.value,
dynamic: attr.dynamic
}); }))
: null;
var bind$$1 = el.attrsMap['v-bind'];
if ((attrs || bind$$1) && !children) {
res += ",null";
}
if (attrs) {
res += "," + attrs;
}
if (bind$$1) {
res += (attrs ? '' : ',null') + "," + bind$$1;
}
return res + ')'
}
// componentName is el.component, take it as argument to shun flow's pessimistic refinement
function genComponent (
componentName,
el,
state
) {
var children = el.inlineTemplate ? null : genChildren(el, state, true);
return ("_c(" + componentName + "," + (genData$2(el, state)) + (children ? ("," + children) : '') + ")")
}
function genProps (props) {
var staticProps = "";
var dynamicProps = "";
for (var i = 0; i < props.length; i++) {
var prop = props[i];
var value = transformSpecialNewlines(prop.value);
if (prop.dynamic) {
dynamicProps += (prop.name) + "," + value + ",";
} else {
staticProps += "\"" + (prop.name) + "\":" + value + ",";
}
}
staticProps = "{" + (staticProps.slice(0, -1)) + "}";
if (dynamicProps) {
return ("_d(" + staticProps + ",[" + (dynamicProps.slice(0, -1)) + "])")
} else {
return staticProps
}
}
// #3895, #4268
function transformSpecialNewlines (text) {
return text
.replace(/\u2028/g, '\\u2028')
.replace(/\u2029/g, '\\u2029')
}
/* */
var plainStringRE = /^"(?:[^"\\]|\\.)*"$|^'(?:[^'\\]|\\.)*'$/;
// let the model AST transform translate v-model into appropriate
// props bindings
function applyModelTransform (el, state) {
if (el.directives) {
for (var i = 0; i < el.directives.length; i++) {
var dir = el.directives[i];
if (dir.name === 'model') {
state.directives.model(el, dir, state.warn);
// remove value for textarea as its converted to text
if (el.tag === 'textarea' && el.props) {
el.props = el.props.filter(function (p) { return p.name !== 'value'; });
}
break
}
}
}
}
function genAttrSegments (
attrs
) {
return attrs.map(function (ref) {
var name = ref.name;
var value = ref.value;
return genAttrSegment(name, value);
})
}
function genDOMPropSegments (
props,
attrs
) {
var segments = [];
props.forEach(function (ref) {
var name = ref.name;
var value = ref.value;
name = propsToAttrMap[name] || name.toLowerCase();
if (isRenderableAttr(name) &&
!(attrs && attrs.some(function (a) { return a.name === name; }))
) {
segments.push(genAttrSegment(name, value));
}
});
return segments
}
function genAttrSegment (name, value) {
if (plainStringRE.test(value)) {
// force double quote
value = value.replace(/^'|'$/g, '"');
// force enumerated attr to "true"
if (isEnumeratedAttr(name) && value !== "\"false\"") {
value = "\"true\"";
}
return {
type: RAW,
value: isBooleanAttr(name)
? (" " + name + "=\"" + name + "\"")
: value === '""'
? (" " + name)
: (" " + name + "=\"" + (JSON.parse(value)) + "\"")
}
} else {
return {
type: EXPRESSION,
value: ("_ssrAttr(" + (JSON.stringify(name)) + "," + value + ")")
}
}
}
function genClassSegments (
staticClass,
classBinding
) {
if (staticClass && !classBinding) {
return [{ type: RAW, value: (" class=\"" + (JSON.parse(staticClass)) + "\"") }]
} else {
return [{
type: EXPRESSION,
value: ("_ssrClass(" + (staticClass || 'null') + "," + (classBinding || 'null') + ")")
}]
}
}
function genStyleSegments (
staticStyle,
parsedStaticStyle,
styleBinding,
vShowExpression
) {
if (staticStyle && !styleBinding && !vShowExpression) {
return [{ type: RAW, value: (" style=" + (JSON.stringify(staticStyle))) }]
} else {
return [{
type: EXPRESSION,
value: ("_ssrStyle(" + (parsedStaticStyle || 'null') + "," + (styleBinding || 'null') + ", " + (vShowExpression
? ("{ display: (" + vShowExpression + ") ? '' : 'none' }")
: 'null') + ")")
}]
}
}
/* */
// optimizability constants
var optimizability = {
FALSE: 0, // whole sub tree un-optimizable
FULL: 1, // whole sub tree optimizable
SELF: 2, // self optimizable but has some un-optimizable children
CHILDREN: 3, // self un-optimizable but have fully optimizable children
PARTIAL: 4 // self un-optimizable with some un-optimizable children
};
var isPlatformReservedTag;
function optimize (root, options) {
if (!root) { return }
isPlatformReservedTag = options.isReservedTag || no;
walk(root, true);
}
function walk (node, isRoot) {
if (isUnOptimizableTree(node)) {
node.ssrOptimizability = optimizability.FALSE;
return
}
// root node or nodes with custom directives should always be a VNode
var selfUnoptimizable = isRoot || hasCustomDirective(node);
var check = function (child) {
if (child.ssrOptimizability !== optimizability.FULL) {
node.ssrOptimizability = selfUnoptimizable
? optimizability.PARTIAL
: optimizability.SELF;
}
};
if (selfUnoptimizable) {
node.ssrOptimizability = optimizability.CHILDREN;
}
if (node.type === 1) {
for (var i = 0, l = node.children.length; i < l; i++) {
var child = node.children[i];
walk(child);
check(child);
}
if (node.ifConditions) {
for (var i$1 = 1, l$1 = node.ifConditions.length; i$1 < l$1; i$1++) {
var block = node.ifConditions[i$1].block;
walk(block, isRoot);
check(block);
}
}
if (node.ssrOptimizability == null ||
(!isRoot && (node.attrsMap['v-html'] || node.attrsMap['v-text']))
) {
node.ssrOptimizability = optimizability.FULL;
} else {
node.children = optimizeSiblings(node);
}
} else {
node.ssrOptimizability = optimizability.FULL;
}
}
function optimizeSiblings (el) {
var children = el.children;
var optimizedChildren = [];
var currentOptimizableGroup = [];
var pushGroup = function () {
if (currentOptimizableGroup.length) {
optimizedChildren.push({
type: 1,
parent: el,
tag: 'template',
attrsList: [],
attrsMap: {},
rawAttrsMap: {},
children: currentOptimizableGroup,
ssrOptimizability: optimizability.FULL
});
}
currentOptimizableGroup = [];
};
for (var i = 0; i < children.length; i++) {
var c = children[i];
if (c.ssrOptimizability === optimizability.FULL) {
currentOptimizableGroup.push(c);
} else {
// wrap fully-optimizable adjacent siblings inside a template tag
// so that they can be optimized into a single ssrNode by codegen
pushGroup();
optimizedChildren.push(c);
}
}
pushGroup();
return optimizedChildren
}
function isUnOptimizableTree (node) {
if (node.type === 2 || node.type === 3) { // text or expression
return false
}
return (
isBuiltInTag(node.tag) || // built-in (slot, component)
!isPlatformReservedTag(node.tag) || // custom component
!!node.component || // "is" component
isSelectWithModel(node) // <select v-model> requires runtime inspection
)
}
var isBuiltInDir = makeMap('text,html,show,on,bind,model,pre,cloak,once');
function hasCustomDirective (node) {
return (
node.type === 1 &&
node.directives &&
node.directives.some(function (d) { return !isBuiltInDir(d.name); })
)
}
// <select v-model> cannot be optimized because it requires a runtime check
// to determine proper selected option
function isSelectWithModel (node) {
return (
node.type === 1 &&
node.tag === 'select' &&
node.directives != null &&
node.directives.some(function (d) { return d.name === 'model'; })
)
}
/* */
// segment types
var RAW = 0;
var INTERPOLATION = 1;
var EXPRESSION = 2;
function generate$1 (
ast,
options
) {
var state = new CodegenState(options);
var code = ast ? genSSRElement(ast, state) : '_c("div")';
return {
render: ("with(this){return " + code + "}"),
staticRenderFns: state.staticRenderFns
}
}
function genSSRElement (el, state) {
if (el.for && !el.forProcessed) {
return genFor(el, state, genSSRElement)
} else if (el.if && !el.ifProcessed) {
return genIf(el, state, genSSRElement)
} else if (el.tag === 'template' && !el.slotTarget) {
return el.ssrOptimizability === optimizability.FULL
? genChildrenAsStringNode(el, state)
: genSSRChildren(el, state) || 'void 0'
}
switch (el.ssrOptimizability) {
case optimizability.FULL:
// stringify whole tree
return genStringElement(el, state)
case optimizability.SELF:
// stringify self and check children
return genStringElementWithChildren(el, state)
case optimizability.CHILDREN:
// generate self as VNode and stringify children
return genNormalElement(el, state, true)
case optimizability.PARTIAL:
// generate self as VNode and check children
return genNormalElement(el, state, false)
default:
// bail whole tree
return genElement(el, state)
}
}
function genNormalElement (el, state, stringifyChildren) {
var data = el.plain ? undefined : genData$2(el, state);
var children = stringifyChildren
? ("[" + (genChildrenAsStringNode(el, state)) + "]")
: genSSRChildren(el, state, true);
return ("_c('" + (el.tag) + "'" + (data ? ("," + data) : '') + (children ? ("," + children) : '') + ")")
}
function genSSRChildren (el, state, checkSkip) {
return genChildren(el, state, checkSkip, genSSRElement, genSSRNode)
}
function genSSRNode (el, state) {
return el.type === 1
? genSSRElement(el, state)
: genText(el)
}
function genChildrenAsStringNode (el, state) {
return el.children.length
? ("_ssrNode(" + (flattenSegments(childrenToSegments(el, state))) + ")")
: ''
}
function genStringElement (el, state) {
return ("_ssrNode(" + (elementToString(el, state)) + ")")
}
function genStringElementWithChildren (el, state) {
var children = genSSRChildren(el, state, true);
return ("_ssrNode(" + (flattenSegments(elementToOpenTagSegments(el, state))) + ",\"</" + (el.tag) + ">\"" + (children ? ("," + children) : '') + ")")
}
function elementToString (el, state) {
return ("(" + (flattenSegments(elementToSegments(el, state))) + ")")
}
function elementToSegments (el, state) {
// v-for / v-if
if (el.for && !el.forProcessed) {
el.forProcessed = true;
return [{
type: EXPRESSION,
value: genFor(el, state, elementToString, '_ssrList')
}]
} else if (el.if && !el.ifProcessed) {
el.ifProcessed = true;
return [{
type: EXPRESSION,
value: genIf(el, state, elementToString, '"<!---->"')
}]
} else if (el.tag === 'template') {
return childrenToSegments(el, state)
}
var openSegments = elementToOpenTagSegments(el, state);
var childrenSegments = childrenToSegments(el, state);
var ref = state.options;
var isUnaryTag = ref.isUnaryTag;
var close = (isUnaryTag && isUnaryTag(el.tag))
? []
: [{ type: RAW, value: ("</" + (el.tag) + ">") }];
return openSegments.concat(childrenSegments, close)
}
function elementToOpenTagSegments (el, state) {
applyModelTransform(el, state);
var binding;
var segments = [{ type: RAW, value: ("<" + (el.tag)) }];
// attrs
if (el.attrs) {
segments.push.apply(segments, genAttrSegments(el.attrs));
}
// domProps
if (el.props) {
segments.push.apply(segments, genDOMPropSegments(el.props, el.attrs));
}
// v-bind="object"
if ((binding = el.attrsMap['v-bind'])) {
segments.push({ type: EXPRESSION, value: ("_ssrAttrs(" + binding + ")") });
}
// v-bind.prop="object"
if ((binding = el.attrsMap['v-bind.prop'])) {
segments.push({ type: EXPRESSION, value: ("_ssrDOMProps(" + binding + ")") });
}
// class
if (el.staticClass || el.classBinding) {
segments.push.apply(
segments,
genClassSegments(el.staticClass, el.classBinding)
);
}
// style & v-show
if (el.staticStyle || el.styleBinding || el.attrsMap['v-show']) {
segments.push.apply(
segments,
genStyleSegments(
el.attrsMap.style,
el.staticStyle,
el.styleBinding,
el.attrsMap['v-show']
)
);
}
// _scopedId
if (state.options.scopeId) {
segments.push({ type: RAW, value: (" " + (state.options.scopeId)) });
}
segments.push({ type: RAW, value: ">" });
return segments
}
function childrenToSegments (el, state) {
var binding;
if ((binding = el.attrsMap['v-html'])) {
return [{ type: EXPRESSION, value: ("_s(" + binding + ")") }]
}
if ((binding = el.attrsMap['v-text'])) {
return [{ type: INTERPOLATION, value: ("_s(" + binding + ")") }]
}
if (el.tag === 'textarea' && (binding = el.attrsMap['v-model'])) {
return [{ type: INTERPOLATION, value: ("_s(" + binding + ")") }]
}
return el.children
? nodesToSegments(el.children, state)
: []
}
function nodesToSegments (
children,
state
) {
var segments = [];
for (var i = 0; i < children.length; i++) {
var c = children[i];
if (c.type === 1) {
segments.push.apply(segments, elementToSegments(c, state));
} else if (c.type === 2) {
segments.push({ type: INTERPOLATION, value: c.expression });
} else if (c.type === 3) {
var text = escape(c.text);
if (c.isComment) {
text = '<!--' + text + '-->';
}
segments.push({ type: RAW, value: text });
}
}
return segments
}
function flattenSegments (segments) {
var mergedSegments = [];
var textBuffer = '';
var pushBuffer = function () {
if (textBuffer) {
mergedSegments.push(JSON.stringify(textBuffer));
textBuffer = '';
}
};
for (var i = 0; i < segments.length; i++) {
var s = segments[i];
if (s.type === RAW) {
textBuffer += s.value;
} else if (s.type === INTERPOLATION) {
pushBuffer();
mergedSegments.push(("_ssrEscape(" + (s.value) + ")"));
} else if (s.type === EXPRESSION) {
pushBuffer();
mergedSegments.push(("(" + (s.value) + ")"));
}
}
pushBuffer();
return mergedSegments.join('+')
}
/* */
// these keywords should not appear inside expressions, but operators like
// typeof, instanceof and in are allowed
var prohibitedKeywordRE = new RegExp('\\b' + (
'do,if,for,let,new,try,var,case,else,with,await,break,catch,class,const,' +
'super,throw,while,yield,delete,export,import,return,switch,default,' +
'extends,finally,continue,debugger,function,arguments'
).split(',').join('\\b|\\b') + '\\b');
// these unary operators should not be used as property/method names
var unaryOperatorsRE = new RegExp('\\b' + (
'delete,typeof,void'
).split(',').join('\\s*\\([^\\)]*\\)|\\b') + '\\s*\\([^\\)]*\\)');
// strip strings in expressions
var stripStringRE = /'(?:[^'\\]|\\.)*'|"(?:[^"\\]|\\.)*"|`(?:[^`\\]|\\.)*\$\{|\}(?:[^`\\]|\\.)*`|`(?:[^`\\]|\\.)*`/g;
// detect problematic expressions in a template
function detectErrors (ast, warn) {
if (ast) {
checkNode(ast, warn);
}
}
function checkNode (node, warn) {
if (node.type === 1) {
for (var name in node.attrsMap) {
if (dirRE.test(name)) {
var value = node.attrsMap[name];
if (value) {
var range = node.rawAttrsMap[name];
if (name === 'v-for') {
checkFor(node, ("v-for=\"" + value + "\""), warn, range);
} else if (name === 'v-slot' || name[0] === '#') {
checkFunctionParameterExpression(value, (name + "=\"" + value + "\""), warn, range);
} else if (onRE.test(name)) {
checkEvent(value, (name + "=\"" + value + "\""), warn, range);
} else {
checkExpression(value, (name + "=\"" + value + "\""), warn, range);
}
}
}
}
if (node.children) {
for (var i = 0; i < node.children.length; i++) {
checkNode(node.children[i], warn);
}
}
} else if (node.type === 2) {
checkExpression(node.expression, node.text, warn, node);
}
}
function checkEvent (exp, text, warn, range) {
var stripped = exp.replace(stripStringRE, '');
var keywordMatch = stripped.match(unaryOperatorsRE);
if (keywordMatch && stripped.charAt(keywordMatch.index - 1) !== '$') {
warn(
"avoid using JavaScript unary operator as property name: " +
"\"" + (keywordMatch[0]) + "\" in expression " + (text.trim()),
range
);
}
checkExpression(exp, text, warn, range);
}
function checkFor (node, text, warn, range) {
checkExpression(node.for || '', text, warn, range);
checkIdentifier(node.alias, 'v-for alias', text, warn, range);
checkIdentifier(node.iterator1, 'v-for iterator', text, warn, range);
checkIdentifier(node.iterator2, 'v-for iterator', text, warn, range);
}
function checkIdentifier (
ident,
type,
text,
warn,
range
) {
if (typeof ident === 'string') {
try {
new Function(("var " + ident + "=_"));
} catch (e) {
warn(("invalid " + type + " \"" + ident + "\" in expression: " + (text.trim())), range);
}
}
}
function checkExpression (exp, text, warn, range) {
try {
new Function(("return " + exp));
} catch (e) {
var keywordMatch = exp.replace(stripStringRE, '').match(prohibitedKeywordRE);
if (keywordMatch) {
warn(
"avoid using JavaScript keyword as property name: " +
"\"" + (keywordMatch[0]) + "\"\n Raw expression: " + (text.trim()),
range
);
} else {
warn(
"invalid expression: " + (e.message) + " in\n\n" +
" " + exp + "\n\n" +
" Raw expression: " + (text.trim()) + "\n",
range
);
}
}
}
function checkFunctionParameterExpression (exp, text, warn, range) {
try {
new Function(exp, '');
} catch (e) {
warn(
"invalid function parameter expression: " + (e.message) + " in\n\n" +
" " + exp + "\n\n" +
" Raw expression: " + (text.trim()) + "\n",
range
);
}
}
/* */
var range = 2;
function generateCodeFrame (
source,
start,
end
) {
if ( start === void 0 ) start = 0;
if ( end === void 0 ) end = source.length;
var lines = source.split(/\r?\n/);
var count = 0;
var res = [];
for (var i = 0; i < lines.length; i++) {
count += lines[i].length + 1;
if (count >= start) {
for (var j = i - range; j <= i + range || end > count; j++) {
if (j < 0 || j >= lines.length) { continue }
res.push(("" + (j + 1) + (repeat$1(" ", 3 - String(j + 1).length)) + "| " + (lines[j])));
var lineLength = lines[j].length;
if (j === i) {
// push underline
var pad = start - (count - lineLength) + 1;
var length = end > count ? lineLength - pad : end - start;
res.push(" | " + repeat$1(" ", pad) + repeat$1("^", length));
} else if (j > i) {
if (end > count) {
var length$1 = Math.min(end - count, lineLength);
res.push(" | " + repeat$1("^", length$1));
}
count += lineLength + 1;
}
}
break
}
}
return res.join('\n')
}
function repeat$1 (str, n) {
var result = '';
if (n > 0) {
while (true) { // eslint-disable-line
if (n & 1) { result += str; }
n >>>= 1;
if (n <= 0) { break }
str += str;
}
}
return result
}
/* */
function createFunction (code, errors) {
try {
return new Function(code)
} catch (err) {
errors.push({ err: err, code: code });
return noop
}
}
function createCompileToFunctionFn (compile) {
var cache = Object.create(null);
return function compileToFunctions (
template,
options,
vm
) {
options = extend({}, options);
var warn$$1 = options.warn || warn;
delete options.warn;
/* istanbul ignore if */
{
// detect possible CSP restriction
try {
new Function('return 1');
} catch (e) {
if (e.toString().match(/unsafe-eval|CSP/)) {
warn$$1(
'It seems you are using the standalone build of Vue.js in an ' +
'environment with Content Security Policy that prohibits unsafe-eval. ' +
'The template compiler cannot work in this environment. Consider ' +
'relaxing the policy to allow unsafe-eval or pre-compiling your ' +
'templates into render functions.'
);
}
}
}
// check cache
var key = options.delimiters
? String(options.delimiters) + template
: template;
if (cache[key]) {
return cache[key]
}
// compile
var compiled = compile(template, options);
// check compilation errors/tips
{
if (compiled.errors && compiled.errors.length) {
if (options.outputSourceRange) {
compiled.errors.forEach(function (e) {
warn$$1(
"Error compiling template:\n\n" + (e.msg) + "\n\n" +
generateCodeFrame(template, e.start, e.end),
vm
);
});
} else {
warn$$1(
"Error compiling template:\n\n" + template + "\n\n" +
compiled.errors.map(function (e) { return ("- " + e); }).join('\n') + '\n',
vm
);
}
}
if (compiled.tips && compiled.tips.length) {
if (options.outputSourceRange) {
compiled.tips.forEach(function (e) { return tip(e.msg, vm); });
} else {
compiled.tips.forEach(function (msg) { return tip(msg, vm); });
}
}
}
// turn code into functions
var res = {};
var fnGenErrors = [];
res.render = createFunction(compiled.render, fnGenErrors);
res.staticRenderFns = compiled.staticRenderFns.map(function (code) {
return createFunction(code, fnGenErrors)
});
// check function generation errors.
// this should only happen if there is a bug in the compiler itself.
// mostly for codegen development use
/* istanbul ignore if */
{
if ((!compiled.errors || !compiled.errors.length) && fnGenErrors.length) {
warn$$1(
"Failed to generate render function:\n\n" +
fnGenErrors.map(function (ref) {
var err = ref.err;
var code = ref.code;
return ((err.toString()) + " in\n\n" + code + "\n");
}).join('\n'),
vm
);
}
}
return (cache[key] = res)
}
}
/* */
function createCompilerCreator (baseCompile) {
return function createCompiler (baseOptions) {
function compile (
template,
options
) {
var finalOptions = Object.create(baseOptions);
var errors = [];
var tips = [];
var warn = function (msg, range, tip) {
(tip ? tips : errors).push(msg);
};
if (options) {
if (options.outputSourceRange) {
// $flow-disable-line
var leadingSpaceLength = template.match(/^\s*/)[0].length;
warn = function (msg, range, tip) {
var data = { msg: msg };
if (range) {
if (range.start != null) {
data.start = range.start + leadingSpaceLength;
}
if (range.end != null) {
data.end = range.end + leadingSpaceLength;
}
}
(tip ? tips : errors).push(data);
};
}
// merge custom modules
if (options.modules) {
finalOptions.modules =
(baseOptions.modules || []).concat(options.modules);
}
// merge custom directives
if (options.directives) {
finalOptions.directives = extend(
Object.create(baseOptions.directives || null),
options.directives
);
}
// copy other options
for (var key in options) {
if (key !== 'modules' && key !== 'directives') {
finalOptions[key] = options[key];
}
}
}
finalOptions.warn = warn;
var compiled = baseCompile(template.trim(), finalOptions);
{
detectErrors(compiled.ast, warn);
}
compiled.errors = errors;
compiled.tips = tips;
return compiled
}
return {
compile: compile,
compileToFunctions: createCompileToFunctionFn(compile)
}
}
}
/* */
var createCompiler = createCompilerCreator(function baseCompile (
template,
options
) {
var ast = parse(template.trim(), options);
optimize(ast, options);
var code = generate$1(ast, options);
return {
ast: ast,
render: code.render,
staticRenderFns: code.staticRenderFns
}
});
/* */
var ref = createCompiler(baseOptions);
var compile = ref.compile;
var compileToFunctions = ref.compileToFunctions;
/* */
// The template compiler attempts to minimize the need for normalization by
// statically analyzing the template at compile time.
//
// For plain HTML markup, normalization can be completely skipped because the
// generated render function is guaranteed to return Array<VNode>. There are
// two cases where extra normalization is needed:
// 1. When the children contains components - because a functional component
// may return an Array instead of a single root. In this case, just a simple
// normalization is needed - if any child is an Array, we flatten the whole
// thing with Array.prototype.concat. It is guaranteed to be only 1-level deep
// because functional components already normalize their own children.
function simpleNormalizeChildren (children) {
for (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. <template>, <slot>, v-for, or when the children is provided by user
// with hand-written render functions / JSX. In such cases a full normalization
// is needed to cater to all possible types of children values.
function normalizeChildren (children) {
return isPrimitive(children)
? [createTextVNode(children)]
: 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
}
/* */
var ssrHelpers = {
_ssrEscape: escape,
_ssrNode: renderStringNode,
_ssrList: renderStringList,
_ssrAttr: renderAttr,
_ssrAttrs: renderAttrs$1,
_ssrDOMProps: renderDOMProps$1,
_ssrClass: renderSSRClass,
_ssrStyle: renderSSRStyle
};
function installSSRHelpers (vm) {
if (vm._ssrNode) {
return
}
var Vue = vm.constructor;
while (Vue.super) {
Vue = Vue.super;
}
extend(Vue.prototype, ssrHelpers);
if (Vue.FunctionalRenderContext) {
extend(Vue.FunctionalRenderContext.prototype, ssrHelpers);
}
}
var StringNode = function StringNode (
open,
close,
children,
normalizationType
) {
this.isString = true;
this.open = open;
this.close = close;
if (children) {
this.children = normalizationType === 1
? simpleNormalizeChildren(children)
: normalizationType === 2
? normalizeChildren(children)
: children;
} else {
this.children = void 0;
}
};
function renderStringNode (
open,
close,
children,
normalizationType
) {
return new StringNode(open, close, children, normalizationType)
}
function renderStringList (
val,
render
) {
var ret = '';
var i, l, keys, key;
if (Array.isArray(val) || typeof val === 'string') {
for (i = 0, l = val.length; i < l; i++) {
ret += render(val[i], i);
}
} else if (typeof val === 'number') {
for (i = 0; i < val; i++) {
ret += render(i + 1, i);
}
} else if (isObject(val)) {
keys = Object.keys(val);
for (i = 0, l = keys.length; i < l; i++) {
key = keys[i];
ret += render(val[key], key, i);
}
}
return ret
}
function renderAttrs$1 (obj) {
var res = '';
for (var key in obj) {
if (isSSRUnsafeAttr(key)) {
continue
}
res += renderAttr(key, obj[key]);
}
return res
}
function renderDOMProps$1 (obj) {
var res = '';
for (var key in obj) {
var attr = propsToAttrMap[key] || key.toLowerCase();
if (isRenderableAttr(attr)) {
res += renderAttr(attr, obj[key]);
}
}
return res
}
function renderSSRClass (
staticClass,
dynamic
) {
var res = renderClass(staticClass, dynamic);
return res === '' ? res : (" class=\"" + (escape(res)) + "\"")
}
function renderSSRStyle (
staticStyle,
dynamic,
extra
) {
var style = {};
if (staticStyle) { extend(style, staticStyle); }
if (dynamic) { extend(style, normalizeStyleBinding(dynamic)); }
if (extra) { extend(style, extra); }
var res = genStyle(style);
return res === '' ? res : (" style=" + (JSON.stringify(escape(res))))
}
/* not type checking this file because flow doesn't play well with Proxy */
{
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,BigInt,' +
'require' // for Webpack/Browserify
);
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 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 perf = inBrowser && window.performance;
/* istanbul ignore if */
if (
perf &&
perf.mark &&
perf.measure &&
perf.clearMarks &&
perf.clearMeasures
) ;
}
/* */
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, vm) {
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++) {
invokeWithErrorHandling(cloned[i], null, arguments$1, vm, "v-on handler");
}
} else {
// return handler return value for single handlers
return invokeWithErrorHandling(fns, null, arguments, vm, "v-on handler")
}
}
invoker.fns = fns;
return invoker
}
function updateListeners (
on,
oldOn,
add,
remove$$1,
createOnceHandler,
vm
) {
var name, def$$1, cur, old, event;
for (name in on) {
def$$1 = cur = on[name];
old = oldOn[name];
event = normalizeEvent(name);
if (isUndef(cur)) {
warn(
"Invalid handler for event \"" + (event.name) + "\": got " + String(cur),
vm
);
} else if (isUndef(old)) {
if (isUndef(cur.fns)) {
cur = on[name] = createFnInvoker(cur, vm);
}
if (isTrue(event.once)) {
cur = on[name] = createOnceHandler(event.name, cur, event.capture);
}
add(event.name, cur, event.capture, event.passive, event.params);
} else if (cur !== old) {
old.fns = cur;
on[name] = old;
}
}
for (name in oldOn) {
if (isUndef(on[name])) {
event = normalizeEvent(name);
remove$$1(event.name, oldOn[name], event.capture);
}
}
}
/* */
/* */
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
}
/* */
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__)) {
warn(
"Avoid using observed data object as vnode data: " + (JSON.stringify(data)) + "\n" +
'Always create fresh vnode data objects in each render!',
context
);
return createEmptyVNode()
}
// object syntax in v-bind
if (isDef(data) && isDef(data.is)) {
tag = data.is;
}
if (!tag) {
// in case of component :is set to falsy value
return createEmptyVNode()
}
// warn against non-primitive key
if (isDef(data) && isDef(data.key) && !isPrimitive(data.key)
) {
{
warn(
'Avoid using non-primitive value as key, ' +
'use string/number value instead.',
context
);
}
}
// support single function children as default scoped slot
if (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 ((!data || !data.pre) && isDef(Ctor = resolveAsset(context.$options, 'components', tag))) {
// component
vnode = createComponent(Ctor, data, context, children, tag);
} else {
// unknown or unlisted namespaced elements
// check at runtime because it may get assigned a namespace when its
// parent normalizes children
vnode = new VNode(
tag, data, children,
undefined, undefined, context
);
}
} else {
// direct component options / constructor
vnode = createComponent(tag, data, context, children);
}
if (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);
}
}
/* */
/**
* 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)) {
if (hasSymbol && val[Symbol.iterator]) {
ret = [];
var iterator = val[Symbol.iterator]();
var result = iterator.next();
while (!result.done) {
ret.push(render(result.value, ret.length));
result = iterator.next();
}
} else {
keys = Object.keys(val);
ret = new Array(keys.length);
for (i = 0, l = keys.length; i < l; i++) {
key = keys[i];
ret[i] = render(val[key], key, i);
}
}
}
if (!isDef(ret)) {
ret = [];
}
(ret)._isVList = true;
return ret
}
/* */
/**
* Runtime helper for rendering <slot>
*/
function renderSlot (
name,
fallbackRender,
props,
bindObject
) {
var scopedSlotFn = this.$scopedSlots[name];
var nodes;
if (scopedSlotFn) {
// scoped slot
props = props || {};
if (bindObject) {
if (!isObject(bindObject)) {
warn('slot v-bind without argument expects an Object', this);
}
props = extend(extend({}, bindObject), props);
}
nodes =
scopedSlotFn(props) ||
(typeof fallbackRender === 'function' ? fallbackRender() : fallbackRender);
} else {
nodes =
this.$slots[name] ||
(typeof fallbackRender === 'function' ? fallbackRender() : fallbackRender);
}
var target = props && props.slot;
if (target) {
return this.$createElement('template', { slot: target }, nodes)
} else {
return nodes
}
}
/* */
/**
* Runtime helper for resolving filters
*/
function resolveFilter (id) {
return resolveAsset(this.$options, 'filters', id, true) || identity
}
/* */
function isKeyNotMatch (expect, actual) {
if (Array.isArray(expect)) {
return expect.indexOf(actual) === -1
} else {
return expect !== actual
}
}
/**
* Runtime helper for checking keyCodes from config.
* exposed as Vue.prototype._k
* passing in eventKeyName as last argument separately for backwards compat
*/
function checkKeyCodes (
eventKeyCode,
key,
builtInKeyCode,
eventKeyName,
builtInKeyName
) {
var mappedKeyCode = config.keyCodes[key] || builtInKeyCode;
if (builtInKeyName && eventKeyName && !config.keyCodes[key]) {
return isKeyNotMatch(builtInKeyName, eventKeyName)
} else if (mappedKeyCode) {
return isKeyNotMatch(mappedKeyCode, eventKeyCode)
} else if (eventKeyName) {
return hyphenate(eventKeyName) !== key
}
return eventKeyCode === undefined
}
/* */
/**
* Runtime helper for merging v-bind="object" into a VNode's data.
*/
function bindObjectProps (
data,
tag,
value,
asProp,
isSync
) {
if (value) {
if (!isObject(value)) {
warn(
'v-bind without argument expects an Object or Array value',
this
);
} else {
if (Array.isArray(value)) {
value = toObject(value);
}
var hash;
var loop = function ( key ) {
if (
key === 'class' ||
key === 'style' ||
isReservedAttribute(key)
) {
hash = data;
} else {
var type = data.attrs && data.attrs.type;
hash = asProp || config.mustUseProp(tag, type, key)
? data.domProps || (data.domProps = {})
: data.attrs || (data.attrs = {});
}
var camelizedKey = camelize(key);
var hyphenatedKey = hyphenate(key);
if (!(camelizedKey in hash) && !(hyphenatedKey in hash)) {
hash[key] = value[key];
if (isSync) {
var on = data.on || (data.on = {});
on[("update:" + key)] = function ($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)) {
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 resolveScopedSlots (
fns, // see flow/vnode
res,
// the following are added in 2.6
hasDynamicKeys,
contentHashKey
) {
res = res || { $stable: !hasDynamicKeys };
for (var i = 0; i < fns.length; i++) {
var slot = fns[i];
if (Array.isArray(slot)) {
resolveScopedSlots(slot, res, hasDynamicKeys);
} else if (slot) {
// marker for reverse proxying v-slot without scope on this.$slots
if (slot.proxy) {
slot.fn.proxy = true;
}
res[slot.key] = slot.fn;
}
}
if (contentHashKey) {
(res).$key = contentHashKey;
}
return res
}
/* */
function bindDynamicKeys (baseObj, values) {
for (var i = 0; i < values.length; i += 2) {
var key = values[i];
if (typeof key === 'string' && key) {
baseObj[values[i]] = values[i + 1];
} else if (key !== '' && key !== null) {
// null is a special value for explicitly removing a binding
warn(
("Invalid value for dynamic directive argument (expected string or null): " + key),
this
);
}
}
return baseObj
}
// helper to dynamically append modifier runtime markers to event names.
// ensure only append when value is already string, otherwise it will be cast
// to string and cause the type check to miss.
function prependModifier (value, symbol) {
return typeof value === 'string' ? symbol + value : value
}
/* */
function installRenderHelpers (target) {
target._o = markOnce;
target._n = toNumber;
target._s = toString;
target._l = renderList;
target._t = renderSlot;
target._q = looseEqual;
target._i = looseIndexOf;
target._m = renderStatic;
target._f = resolveFilter;
target._k = checkKeyCodes;
target._b = bindObjectProps;
target._v = createTextVNode;
target._e = createEmptyVNode;
target._u = resolveScopedSlots;
target._g = bindObjectListeners;
target._d = bindDynamicKeys;
target._p = prependModifier;
}
/* */
/**
* Runtime helper for resolving raw children VNodes into a slot object.
*/
function resolveSlots (
children,
context
) {
if (!children || !children.length) {
return {}
}
var 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$1];
}
}
return slots
}
function isWhitespace (node) {
return (node.isComment && !node.asyncFactory) || node.text === ' '
}
/* */
function isAsyncPlaceholder (node) {
return node.isComment && node.asyncFactory
}
/* */
function normalizeScopedSlots (
slots,
normalSlots,
prevSlots
) {
var res;
var hasNormalSlots = Object.keys(normalSlots).length > 0;
var isStable = slots ? !!slots.$stable : !hasNormalSlots;
var key = slots && slots.$key;
if (!slots) {
res = {};
} else if (slots._normalized) {
// fast path 1: child component re-render only, parent did not change
return slots._normalized
} else if (
isStable &&
prevSlots &&
prevSlots !== emptyObject &&
key === prevSlots.$key &&
!hasNormalSlots &&
!prevSlots.$hasNormal
) {
// fast path 2: stable scoped slots w/ no normal slots to proxy,
// only need to normalize once
return prevSlots
} else {
res = {};
for (var key$1 in slots) {
if (slots[key$1] && key$1[0] !== '$') {
res[key$1] = normalizeScopedSlot(normalSlots, key$1, slots[key$1]);
}
}
}
// expose normal slots on scopedSlots
for (var key$2 in normalSlots) {
if (!(key$2 in res)) {
res[key$2] = proxyNormalSlot(normalSlots, key$2);
}
}
// avoriaz seems to mock a non-extensible $scopedSlots object
// and when that is passed down this would cause an error
if (slots && Object.isExtensible(slots)) {
(slots)._normalized = res;
}
def(res, '$stable', isStable);
def(res, '$key', key);
def(res, '$hasNormal', hasNormalSlots);
return res
}
function normalizeScopedSlot(normalSlots, key, fn) {
var normalized = function () {
var res = arguments.length ? fn.apply(null, arguments) : fn({});
res = res && typeof res === 'object' && !Array.isArray(res)
? [res] // single vnode
: normalizeChildren(res);
var vnode = res && res[0];
return res && (
!vnode ||
(res.length === 1 && vnode.isComment && !isAsyncPlaceholder(vnode)) // #9658, #10391
) ? undefined
: res
};
// this is a slot using the new v-slot syntax without scope. although it is
// compiled as a scoped slot, render fn users would expect it to be present
// on this.$slots because the usage is semantically a normal slot.
if (fn.proxy) {
Object.defineProperty(normalSlots, key, {
get: normalized,
enumerable: true,
configurable: true
});
}
return normalized
}
function proxyNormalSlot(slots, key) {
return function () { return slots[key]; }
}
/* */
var currentRenderingInstance = null;
/* */
function ensureCtor (comp, base) {
if (
comp.__esModule ||
(hasSymbol && comp[Symbol.toStringTag] === 'Module')
) {
comp = comp.default;
}
return isObject(comp)
? base.extend(comp)
: comp
}
function createAsyncPlaceholder (
factory,
data,
context,
children,
tag
) {
var node = createEmptyVNode();
node.asyncFactory = factory;
node.asyncMeta = { data: data, context: context, children: children, tag: tag };
return node
}
function resolveAsyncComponent (
factory,
baseCtor
) {
if (isTrue(factory.error) && isDef(factory.errorComp)) {
return factory.errorComp
}
if (isDef(factory.resolved)) {
return factory.resolved
}
var owner = currentRenderingInstance;
if (owner && isDef(factory.owners) && factory.owners.indexOf(owner) === -1) {
// already pending
factory.owners.push(owner);
}
if (isTrue(factory.loading) && isDef(factory.loadingComp)) {
return factory.loadingComp
}
if (owner && !isDef(factory.owners)) {
var owners = factory.owners = [owner];
var sync = true;
var timerLoading = null;
var timerTimeout = null
;(owner).$on('hook:destroyed', function () { return remove(owners, owner); });
var forceRender = function (renderCompleted) {
for (var i = 0, l = owners.length; i < l; i++) {
(owners[i]).$forceUpdate();
}
if (renderCompleted) {
owners.length = 0;
if (timerLoading !== null) {
clearTimeout(timerLoading);
timerLoading = null;
}
if (timerTimeout !== null) {
clearTimeout(timerTimeout);
timerTimeout = null;
}
}
};
var resolve = once(function (res) {
// cache resolved
factory.resolved = ensureCtor(res, baseCtor);
// invoke callbacks only if this is not a synchronous resolve
// (async resolves are shimmed as synchronous during SSR)
if (!sync) {
forceRender(true);
} else {
owners.length = 0;
}
});
var reject = once(function (reason) {
warn(
"Failed to resolve async component: " + (String(factory)) +
(reason ? ("\nReason: " + reason) : '')
);
if (isDef(factory.errorComp)) {
factory.error = true;
forceRender(true);
}
});
var res = factory(resolve, reject);
if (isObject(res)) {
if (isPromise(res)) {
// () => Promise
if (isUndef(factory.resolved)) {
res.then(resolve, reject);
}
} else if (isPromise(res.component)) {
res.component.then(resolve, reject);
if (isDef(res.error)) {
factory.errorComp = ensureCtor(res.error, baseCtor);
}
if (isDef(res.loading)) {
factory.loadingComp = ensureCtor(res.loading, baseCtor);
if (res.delay === 0) {
factory.loading = true;
} else {
timerLoading = setTimeout(function () {
timerLoading = null;
if (isUndef(factory.resolved) && isUndef(factory.error)) {
factory.loading = true;
forceRender(false);
}
}, res.delay || 200);
}
}
if (isDef(res.timeout)) {
timerTimeout = setTimeout(function () {
timerTimeout = null;
if (isUndef(factory.resolved)) {
reject(
"timeout (" + (res.timeout) + "ms)"
);
}
}, res.timeout);
}
}
}
sync = false;
// return in case resolved synchronously
return factory.loading
? factory.loadingComp
: factory.resolved
}
}
/* */
/* */
/* */
var target;
function add (event, fn) {
target.$on(event, fn);
}
function remove$1 (event, fn) {
target.$off(event, fn);
}
function createOnceHandler (event, fn) {
var _target = target;
return function onceHandler () {
var res = fn.apply(null, arguments);
if (res !== null) {
_target.$off(event, onceHandler);
}
}
}
function updateComponentListeners (
vm,
listeners,
oldListeners
) {
target = vm;
updateListeners(listeners, oldListeners || {}, add, remove$1, createOnceHandler, vm);
target = undefined;
}
/* */
var activeInstance = null;
function updateChildComponent (
vm,
propsData,
listeners,
parentVnode,
renderChildren
) {
// determine whether component has slot children
// we need to do this before overwriting $options._renderChildren.
// check if there are dynamic scopedSlots (hand-written or compiled but with
// dynamic slot names). Static scoped slots compiled from template has the
// "$stable" marker.
var newScopedSlots = parentVnode.data.scopedSlots;
var oldScopedSlots = vm.$scopedSlots;
var hasDynamicScopedSlot = !!(
(newScopedSlots && !newScopedSlots.$stable) ||
(oldScopedSlots !== emptyObject && !oldScopedSlots.$stable) ||
(newScopedSlots && vm.$scopedSlots.$key !== newScopedSlots.$key) ||
(!newScopedSlots && vm.$scopedSlots.$key)
);
// Any static slot children from the parent may have changed during parent's
// update. Dynamic scoped slots may also have changed. In such cases, a forced
// update is necessary to ensure correctness.
var needsForceUpdate = !!(
renderChildren || // has new static slots
vm.$options._renderChildren || // has old static slots
hasDynamicScopedSlot
);
vm.$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.$options._parentListeners = listeners;
updateComponentListeners(vm, listeners, oldListeners);
// resolve slots + force update if has children
if (needsForceUpdate) {
vm.$slots = resolveSlots(renderChildren, parentVnode.context);
vm.$forceUpdate();
}
}
function isInInactiveTree (vm) {
while (vm && (vm = vm.$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.$options[hook];
var info = hook + " hook";
if (handlers) {
for (var i = 0, j = handlers.length; i < j; i++) {
invokeWithErrorHandling(handlers[i], vm, null, vm, info);
}
}
if (vm._hasHookEvent) {
vm.$emit('hook:' + hook);
}
popTarget();
}
/* */
// Async edge case fix requires storing an event listener's attach timestamp.
var getNow = Date.now;
// Determine what event timestamp the browser is using. Annoyingly, the
// timestamp can either be hi-res (relative to page load) or low-res
// (relative to UNIX epoch), so in order to compare time we have to use the
// same timestamp type when saving the flush timestamp.
// All IE versions use low-res event timestamps, and have problematic clock
// implementations (#9632)
if (inBrowser && !isIE) {
var performance = window.performance;
if (
performance &&
typeof performance.now === 'function' &&
getNow() > document.createEvent('Event').timeStamp
) {
// if the event timestamp, although evaluated AFTER the Date.now(), is
// smaller than it, it means the event is using a hi-res timestamp,
// and we need to use the hi-res version for event listener timestamps as
// well.
getNow = function () { return performance.now(); };
}
}
/**
* 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;
}
/* */
/* */
/* */
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)
: Object.keys(inject);
for (var i = 0; i < keys.length; i++) {
var key = keys[i];
// #6574 in case the inject object is observed...
if (key === '__ob__') { continue }
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
}
}
/* */
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 sealed = Ctor.sealedOptions;
for (var key in latest) {
if (latest[key] !== sealed[key]) {
if (!modified) { modified = {}; }
modified[key] = latest[key];
}
}
return modified
}
/* */
function FunctionalRenderContext (
data,
props,
children,
parent,
Ctor
) {
var this$1 = this;
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 () {
if (!this$1.$slots) {
normalizeScopedSlots(
data.scopedSlots,
this$1.$slots = resolveSlots(children, parent)
);
}
return this$1.$slots
};
Object.defineProperty(this, 'scopedSlots', ({
enumerable: true,
get: function get () {
return normalizeScopedSlots(data.scopedSlots, this.slots())
}
}));
// support for compiled functional template
if (isCompiled) {
// exposing $options for renderStatic()
this.$options = options;
// pre-resolve slots for renderSlot()
this.$slots = this.slots();
this.$scopedSlots = normalizeScopedSlots(data.scopedSlots, this.$slots);
}
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, renderContext)
} 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, renderContext);
}
return res
}
}
function cloneAndMarkFunctionalResult (vnode, data, contextVm, options, renderContext) {
// #7817 clone node before setting fnContext, otherwise if the node is reused
// (e.g. it was from a cached normal slot) the fnContext causes named slots
// that should not be matched to match.
var clone = cloneVNode(vnode);
clone.fnContext = contextVm;
clone.fnOptions = options;
{
(clone.devtoolsMeta = clone.devtoolsMeta || {}).renderContext = renderContext;
}
if (data.slot) {
(clone.data || (clone.data = {})).slot = data.slot;
}
return clone
}
function mergeProps (to, from) {
for (var key in from) {
to[camelize(key)] = from[key];
}
}
/* */
/* */
/* */
/* */
// inline hooks to be invoked on component VNodes during patch
var componentVNodeHooks = {
init: function init (vnode, hydrating) {
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
);
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);
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
);
return vnode
}
function createComponentInstanceForVnode (
// we know it's MountedComponentVNode but flow doesn't
vnode,
// activeInstance in lifecycle state
parent
) {
var options = {
_isComponent: true,
_parentVnode: vnode,
parent: parent
};
// 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];
var existing = hooks[key];
var toMerge = componentVNodeHooks[key];
if (existing !== toMerge && !(existing && existing._merged)) {
hooks[key] = existing ? mergeHook$1(toMerge, existing) : toMerge;
}
}
}
function mergeHook$1 (f1, f2) {
var merged = function (a, b) {
// flow complains about extra args which is why we use any
f1(a, b);
f2(a, b);
};
merged._merged = true;
return merged
}
// transform component v-model info (value and callback) into
// prop and event handler respectively.
function transformModel (options, data) {
var prop = (options.model && options.model.prop) || 'value';
var event = (options.model && options.model.event) || 'input'
;(data.attrs || (data.attrs = {}))[prop] = data.model.value;
var on = data.on || (data.on = {});
var existing = on[event];
var callback = data.model.callback;
if (isDef(existing)) {
if (
Array.isArray(existing)
? existing.indexOf(callback) === -1
: existing !== callback
) {
on[event] = [callback].concat(existing);
}
} else {
on[event] = callback;
}
}
/* */
var warned = Object.create(null);
var warnOnce = function (msg) {
if (!warned[msg]) {
warned[msg] = true;
// eslint-disable-next-line no-console
console.warn(("\n\u001b[31m" + msg + "\u001b[39m\n"));
}
};
var onCompilationError = function (err, vm) {
var trace = vm ? generateComponentTrace(vm) : '';
throw new Error(("\n\u001b[31m" + err + trace + "\u001b[39m\n"))
};
var normalizeRender = function (vm) {
var ref = vm.$options;
var render = ref.render;
var template = ref.template;
var _scopeId = ref._scopeId;
if (isUndef(render)) {
if (template) {
var compiled = compileToFunctions(template, {
scopeId: _scopeId,
warn: onCompilationError
}, vm);
vm.$options.render = compiled.render;
vm.$options.staticRenderFns = compiled.staticRenderFns;
} else {
throw new Error(
("render function or template not defined in component: " + (vm.$options.name || vm.$options._componentTag || 'anonymous'))
)
}
}
};
function waitForServerPrefetch (vm, resolve, reject) {
var handlers = vm.$options.serverPrefetch;
if (isDef(handlers)) {
if (!Array.isArray(handlers)) { handlers = [handlers]; }
try {
var promises = [];
for (var i = 0, j = handlers.length; i < j; i++) {
var result = handlers[i].call(vm, vm);
if (result && typeof result.then === 'function') {
promises.push(result);
}
}
Promise.all(promises).then(resolve).catch(reject);
return
} catch (e) {
reject(e);
}
}
resolve();
}
function renderNode (node, isRoot, context) {
if (node.isString) {
renderStringNode$1(node, context);
} else if (isDef(node.componentOptions)) {
renderComponent(node, isRoot, context);
} else if (isDef(node.tag)) {
renderElement(node, isRoot, context);
} else if (isTrue(node.isComment)) {
if (isDef(node.asyncFactory)) {
// async component
renderAsyncComponent(node, isRoot, context);
} else {
context.write(("<!--" + (node.text) + "-->"), context.next);
}
} else {
context.write(
node.raw ? node.text : escape(String(node.text)),
context.next
);
}
}
function registerComponentForCache (options, write) {
// exposed by vue-loader, need to call this if cache hit because
// component lifecycle hooks will not be called.
var register = options._ssrRegister;
if (write.caching && isDef(register)) {
write.componentBuffer[write.componentBuffer.length - 1].add(register);
}
return register
}
function renderComponent (node, isRoot, context) {
var write = context.write;
var next = context.next;
var userContext = context.userContext;
// check cache hit
var Ctor = node.componentOptions.Ctor;
var getKey = Ctor.options.serverCacheKey;
var name = Ctor.options.name;
var cache = context.cache;
var registerComponent = registerComponentForCache(Ctor.options, write);
if (isDef(getKey) && isDef(cache) && isDef(name)) {
var rawKey = getKey(node.componentOptions.propsData);
if (rawKey === false) {
renderComponentInner(node, isRoot, context);
return
}
var key = name + '::' + rawKey;
var has = context.has;
var get = context.get;
if (isDef(has)) {
has(key, function (hit) {
if (hit === true && isDef(get)) {
get(key, function (res) {
if (isDef(registerComponent)) {
registerComponent(userContext);
}
res.components.forEach(function (register) { return register(userContext); });
write(res.html, next);
});
} else {
renderComponentWithCache(node, isRoot, key, context);
}
});
} else if (isDef(get)) {
get(key, function (res) {
if (isDef(res)) {
if (isDef(registerComponent)) {
registerComponent(userContext);
}
res.components.forEach(function (register) { return register(userContext); });
write(res.html, next);
} else {
renderComponentWithCache(node, isRoot, key, context);
}
});
}
} else {
if (isDef(getKey) && isUndef(cache)) {
warnOnce(
"[vue-server-renderer] Component " + (Ctor.options.name || '(anonymous)') + " implemented serverCacheKey, " +
'but no cache was provided to the renderer.'
);
}
if (isDef(getKey) && isUndef(name)) {
warnOnce(
"[vue-server-renderer] Components that implement \"serverCacheKey\" " +
"must also define a unique \"name\" option."
);
}
renderComponentInner(node, isRoot, context);
}
}
function renderComponentWithCache (node, isRoot, key, context) {
var write = context.write;
write.caching = true;
var buffer = write.cacheBuffer;
var bufferIndex = buffer.push('') - 1;
var componentBuffer = write.componentBuffer;
componentBuffer.push(new Set());
context.renderStates.push({
type: 'ComponentWithCache',
key: key,
buffer: buffer,
bufferIndex: bufferIndex,
componentBuffer: componentBuffer
});
renderComponentInner(node, isRoot, context);
}
function renderComponentInner (node, isRoot, context) {
var prevActive = context.activeInstance;
// expose userContext on vnode
node.ssrContext = context.userContext;
var child = context.activeInstance = createComponentInstanceForVnode(
node,
context.activeInstance
);
normalizeRender(child);
var resolve = function () {
var childNode = child._render();
childNode.parent = node;
context.renderStates.push({
type: 'Component',
prevActive: prevActive
});
renderNode(childNode, isRoot, context);
};
var reject = context.done;
waitForServerPrefetch(child, resolve, reject);
}
function renderAsyncComponent (node, isRoot, context) {
var factory = node.asyncFactory;
var resolve = function (comp) {
if (comp.__esModule && comp.default) {
comp = comp.default;
}
var ref = node.asyncMeta;
var data = ref.data;
var children = ref.children;
var tag = ref.tag;
var nodeContext = node.asyncMeta.context;
var resolvedNode = createComponent(
comp,
data,
nodeContext,
children,
tag
);
if (resolvedNode) {
if (resolvedNode.componentOptions) {
// normal component
renderComponent(resolvedNode, isRoot, context);
} else if (!Array.isArray(resolvedNode)) {
// single return node from functional component
renderNode(resolvedNode, isRoot, context);
} else {
// multiple return nodes from functional component
context.renderStates.push({
type: 'Fragment',
children: resolvedNode,
rendered: 0,
total: resolvedNode.length
});
context.next();
}
} else {
// invalid component, but this does not throw on the client
// so render empty comment node
context.write("<!---->", context.next);
}
};
if (factory.resolved) {
resolve(factory.resolved);
return
}
var reject = context.done;
var res;
try {
res = factory(resolve, reject);
} catch (e) {
reject(e);
}
if (res) {
if (typeof res.then === 'function') {
res.then(resolve, reject).catch(reject);
} else {
// new syntax in 2.3
var comp = res.component;
if (comp && typeof comp.then === 'function') {
comp.then(resolve, reject).catch(reject);
}
}
}
}
function renderStringNode$1 (el, context) {
var write = context.write;
var next = context.next;
if (isUndef(el.children) || el.children.length === 0) {
write(el.open + (el.close || ''), next);
} else {
var children = el.children;
context.renderStates.push({
type: 'Element',
children: children,
rendered: 0,
total: children.length,
endTag: el.close
});
write(el.open, next);
}
}
function renderElement (el, isRoot, context) {
var write = context.write;
var next = context.next;
if (isTrue(isRoot)) {
if (!el.data) { el.data = {}; }
if (!el.data.attrs) { el.data.attrs = {}; }
el.data.attrs[SSR_ATTR] = 'true';
}
if (el.fnOptions) {
registerComponentForCache(el.fnOptions, write);
}
var startTag = renderStartingTag(el, context);
var endTag = "</" + (el.tag) + ">";
if (context.isUnaryTag(el.tag)) {
write(startTag, next);
} else if (isUndef(el.children) || el.children.length === 0) {
write(startTag + endTag, next);
} else {
var children = el.children;
context.renderStates.push({
type: 'Element',
children: children,
rendered: 0,
total: children.length,
endTag: endTag
});
write(startTag, next);
}
}
function hasAncestorData (node) {
var parentNode = node.parent;
return isDef(parentNode) && (isDef(parentNode.data) || hasAncestorData(parentNode))
}
function getVShowDirectiveInfo (node) {
var dir;
var tmp;
while (isDef(node)) {
if (node.data && node.data.directives) {
tmp = node.data.directives.find(function (dir) { return dir.name === 'show'; });
if (tmp) {
dir = tmp;
}
}
node = node.parent;
}
return dir
}
function renderStartingTag (node, context) {
var markup = "<" + (node.tag);
var directives = context.directives;
var modules = context.modules;
// construct synthetic data for module processing
// because modules like style also produce code by parent VNode data
if (isUndef(node.data) && hasAncestorData(node)) {
node.data = {};
}
if (isDef(node.data)) {
// check directives
var dirs = node.data.directives;
if (dirs) {
for (var i = 0; i < dirs.length; i++) {
var name = dirs[i].name;
if (name !== 'show') {
var dirRenderer = resolveAsset(context, 'directives', name);
if (dirRenderer) {
// directives mutate the node's data
// which then gets rendered by modules
dirRenderer(node, dirs[i]);
}
}
}
}
// v-show directive needs to be merged from parent to child
var vshowDirectiveInfo = getVShowDirectiveInfo(node);
if (vshowDirectiveInfo) {
directives.show(node, vshowDirectiveInfo);
}
// apply other modules
for (var i$1 = 0; i$1 < modules.length; i$1++) {
var res = modules[i$1](node);
if (res) {
markup += res;
}
}
}
// attach scoped CSS ID
var scopeId;
var activeInstance = context.activeInstance;
if (isDef(activeInstance) &&
activeInstance !== node.context &&
isDef(scopeId = activeInstance.$options._scopeId)
) {
markup += " " + ((scopeId));
}
if (isDef(node.fnScopeId)) {
markup += " " + (node.fnScopeId);
} else {
while (isDef(node)) {
if (isDef(scopeId = node.context.$options._scopeId)) {
markup += " " + scopeId;
}
node = node.parent;
}
}
return markup + '>'
}
function createRenderFunction (
modules,
directives,
isUnaryTag,
cache
) {
return function render (
component,
write,
userContext,
done
) {
warned = Object.create(null);
var context = new RenderContext({
activeInstance: component,
userContext: userContext,
write: write, done: done, renderNode: renderNode,
isUnaryTag: isUnaryTag, modules: modules, directives: directives,
cache: cache
});
installSSRHelpers(component);
normalizeRender(component);
var resolve = function () {
renderNode(component._render(), true, context);
};
waitForServerPrefetch(component, resolve, done);
}
}
/* */
var isJS = function (file) { return /\.js(\?[^.]+)?$/.test(file); };
var isCSS = function (file) { return /\.css(\?[^.]+)?$/.test(file); };
function createPromiseCallback () {
var resolve, reject;
var promise = new Promise(function (_resolve, _reject) {
resolve = _resolve;
reject = _reject;
});
var cb = function (err, res) {
if (err) { return reject(err) }
resolve(res || '');
};
return { promise: promise, cb: cb }
}
/* */
var Transform = require('stream').Transform;
var TemplateStream = /*@__PURE__*/(function (Transform) {
function TemplateStream (
renderer,
template,
context
) {
Transform.call(this);
this.started = false;
this.renderer = renderer;
this.template = template;
this.context = context || {};
this.inject = renderer.inject;
}
if ( Transform ) TemplateStream.__proto__ = Transform;
TemplateStream.prototype = Object.create( Transform && Transform.prototype );
TemplateStream.prototype.constructor = TemplateStream;
TemplateStream.prototype._transform = function _transform (data, encoding, done) {
if (!this.started) {
this.emit('beforeStart');
this.start();
}
this.push(data);
done();
};
TemplateStream.prototype.start = function start () {
this.started = true;
this.push(this.template.head(this.context));
if (this.inject) {
// inline server-rendered head meta information
if (this.context.head) {
this.push(this.context.head);
}
// inline preload/prefetch directives for initial/async chunks
var links = this.renderer.renderResourceHints(this.context);
if (links) {
this.push(links);
}
// CSS files and inline server-rendered CSS collected by vue-style-loader
var styles = this.renderer.renderStyles(this.context);
if (styles) {
this.push(styles);
}
}
this.push(this.template.neck(this.context));
};
TemplateStream.prototype._flush = function _flush (done) {
this.emit('beforeEnd');
if (this.inject) {
// inline initial store state
var state = this.renderer.renderState(this.context);
if (state) {
this.push(state);
}
// embed scripts needed
var scripts = this.renderer.renderScripts(this.context);
if (scripts) {
this.push(scripts);
}
}
this.push(this.template.tail(this.context));
done();
};
return TemplateStream;
}(Transform));
/* */
var compile$1 = require('lodash.template');
var compileOptions = {
escape: /{{([^{][\s\S]+?[^}])}}/g,
interpolate: /{{{([\s\S]+?)}}}/g
};
function parseTemplate (
template,
contentPlaceholder
) {
if ( contentPlaceholder === void 0 ) contentPlaceholder = '<!--vue-ssr-outlet-->';
if (typeof template === 'object') {
return template
}
var i = template.indexOf('</head>');
var j = template.indexOf(contentPlaceholder);
if (j < 0) {
throw new Error("Content placeholder not found in template.")
}
if (i < 0) {
i = template.indexOf('<body>');
if (i < 0) {
i = j;
}
}
return {
head: compile$1(template.slice(0, i), compileOptions),
neck: compile$1(template.slice(i, j), compileOptions),
tail: compile$1(template.slice(j + contentPlaceholder.length), compileOptions)
}
}
/* */
/**
* Creates a mapper that maps components used during a server-side render
* to async chunk files in the client-side build, so that we can inline them
* directly in the rendered HTML to avoid waterfall requests.
*/
function createMapper (
clientManifest
) {
var map = createMap(clientManifest);
// map server-side moduleIds to client-side files
return function mapper (moduleIds) {
var res = new Set();
for (var i = 0; i < moduleIds.length; i++) {
var mapped = map.get(moduleIds[i]);
if (mapped) {
for (var j = 0; j < mapped.length; j++) {
res.add(mapped[j]);
}
}
}
return Array.from(res)
}
}
function createMap (clientManifest) {
var map = new Map();
Object.keys(clientManifest.modules).forEach(function (id) {
map.set(id, mapIdToFile(id, clientManifest));
});
return map
}
function mapIdToFile (id, clientManifest) {
var files = [];
var fileIndices = clientManifest.modules[id];
if (fileIndices) {
fileIndices.forEach(function (index) {
var file = clientManifest.all[index];
// only include async files or non-js, non-css assets
if (
file &&
(clientManifest.async.indexOf(file) > -1 ||
!/\.(js|css)($|\?)/.test(file))
) {
files.push(file);
}
});
}
return files
}
/* */
var path = require('path');
var serialize = require('serialize-javascript');
var TemplateRenderer = function TemplateRenderer (options) {
this.options = options;
this.inject = options.inject !== false;
// if no template option is provided, the renderer is created
// as a utility object for rendering assets like preload links and scripts.
var template = options.template;
this.parsedTemplate = template
? typeof template === 'string'
? parseTemplate(template)
: template
: null;
// function used to serialize initial state JSON
this.serialize = options.serializer || (function (state) {
return serialize(state, { isJSON: true })
});
// extra functionality with client manifest
if (options.clientManifest) {
var clientManifest = this.clientManifest = options.clientManifest;
// ensure publicPath ends with /
this.publicPath = clientManifest.publicPath === ''
? ''
: clientManifest.publicPath.replace(/([^\/])$/, '$1/');
// preload/prefetch directives
this.preloadFiles = (clientManifest.initial || []).map(normalizeFile);
this.prefetchFiles = (clientManifest.async || []).map(normalizeFile);
// initial async chunk mapping
this.mapFiles = createMapper(clientManifest);
}
};
TemplateRenderer.prototype.bindRenderFns = function bindRenderFns (context) {
var renderer = this
;['ResourceHints', 'State', 'Scripts', 'Styles'].forEach(function (type) {
context[("render" + type)] = renderer[("render" + type)].bind(renderer, context);
});
// also expose getPreloadFiles, useful for HTTP/2 push
context.getPreloadFiles = renderer.getPreloadFiles.bind(renderer, context);
};
// render synchronously given rendered app content and render context
TemplateRenderer.prototype.render = function render (content, context) {
var template = this.parsedTemplate;
if (!template) {
throw new Error('render cannot be called without a template.')
}
context = context || {};
if (typeof template === 'function') {
return template(content, context)
}
if (this.inject) {
return (
template.head(context) +
(context.head || '') +
this.renderResourceHints(context) +
this.renderStyles(context) +
template.neck(context) +
content +
this.renderState(context) +
this.renderScripts(context) +
template.tail(context)
)
} else {
return (
template.head(context) +
template.neck(context) +
content +
template.tail(context)
)
}
};
TemplateRenderer.prototype.renderStyles = function renderStyles (context) {
var this$1 = this;
var initial = this.preloadFiles || [];
var async = this.getUsedAsyncFiles(context) || [];
var cssFiles = initial.concat(async).filter(function (ref) {
var file = ref.file;
return isCSS(file);
});
return (
// render links for css files
(cssFiles.length
? cssFiles.map(function (ref) {
var file = ref.file;
return ("<link rel=\"stylesheet\" href=\"" + (this$1.publicPath) + file + "\">");
}).join('')
: '') +
// context.styles is a getter exposed by vue-style-loader which contains
// the inline component styles collected during SSR
(context.styles || '')
)
};
TemplateRenderer.prototype.renderResourceHints = function renderResourceHints (context) {
return this.renderPreloadLinks(context) + this.renderPrefetchLinks(context)
};
TemplateRenderer.prototype.getPreloadFiles = function getPreloadFiles (context) {
var usedAsyncFiles = this.getUsedAsyncFiles(context);
if (this.preloadFiles || usedAsyncFiles) {
return (this.preloadFiles || []).concat(usedAsyncFiles || [])
} else {
return []
}
};
TemplateRenderer.prototype.renderPreloadLinks = function renderPreloadLinks (context) {
var this$1 = this;
var files = this.getPreloadFiles(context);
var shouldPreload = this.options.shouldPreload;
if (files.length) {
return files.map(function (ref) {
var file = ref.file;
var extension = ref.extension;
var fileWithoutQuery = ref.fileWithoutQuery;
var asType = ref.asType;
var extra = '';
// by default, we only preload scripts or css
if (!shouldPreload && asType !== 'script' && asType !== 'style') {
return ''
}
// user wants to explicitly control what to preload
if (shouldPreload && !shouldPreload(fileWithoutQuery, asType)) {
return ''
}
if (asType === 'font') {
extra = " type=\"font/" + extension + "\" crossorigin";
}
return ("<link rel=\"preload\" href=\"" + (this$1.publicPath) + file + "\"" + (asType !== '' ? (" as=\"" + asType + "\"") : '') + extra + ">")
}).join('')
} else {
return ''
}
};
TemplateRenderer.prototype.renderPrefetchLinks = function renderPrefetchLinks (context) {
var this$1 = this;
var shouldPrefetch = this.options.shouldPrefetch;
if (this.prefetchFiles) {
var usedAsyncFiles = this.getUsedAsyncFiles(context);
var alreadyRendered = function (file) {
return usedAsyncFiles && usedAsyncFiles.some(function (f) { return f.file === file; })
};
return this.prefetchFiles.map(function (ref) {
var file = ref.file;
var fileWithoutQuery = ref.fileWithoutQuery;
var asType = ref.asType;
if (shouldPrefetch && !shouldPrefetch(fileWithoutQuery, asType)) {
return ''
}
if (alreadyRendered(file)) {
return ''
}
return ("<link rel=\"prefetch\" href=\"" + (this$1.publicPath) + file + "\">")
}).join('')
} else {
return ''
}
};
TemplateRenderer.prototype.renderState = function renderState (context, options) {
var ref = options || {};
var contextKey = ref.contextKey; if ( contextKey === void 0 ) contextKey = 'state';
var windowKey = ref.windowKey; if ( windowKey === void 0 ) windowKey = '__INITIAL_STATE__';
var state = this.serialize(context[contextKey]);
var autoRemove = '';
var nonceAttr = context.nonce ? (" nonce=\"" + (context.nonce) + "\"") : '';
return context[contextKey]
? ("<script" + nonceAttr + ">window." + windowKey + "=" + state + autoRemove + "</script>")
: ''
};
TemplateRenderer.prototype.renderScripts = function renderScripts (context) {
var this$1 = this;
if (this.clientManifest) {
var initial = this.preloadFiles.filter(function (ref) {
var file = ref.file;
return isJS(file);
});
var async = (this.getUsedAsyncFiles(context) || []).filter(function (ref) {
var file = ref.file;
return isJS(file);
});
var needed = [initial[0]].concat(async, initial.slice(1));
return needed.map(function (ref) {
var file = ref.file;
return ("<script src=\"" + (this$1.publicPath) + file + "\" defer></script>")
}).join('')
} else {
return ''
}
};
TemplateRenderer.prototype.getUsedAsyncFiles = function getUsedAsyncFiles (context) {
if (!context._mappedFiles && context._registeredComponents && this.mapFiles) {
var registered = Array.from(context._registeredComponents);
context._mappedFiles = this.mapFiles(registered).map(normalizeFile);
}
return context._mappedFiles
};
// create a transform stream
TemplateRenderer.prototype.createStream = function createStream (context) {
if (!this.parsedTemplate) {
throw new Error('createStream cannot be called without a template.')
}
return new TemplateStream(this, this.parsedTemplate, context || {})
};
function normalizeFile (file) {
var withoutQuery = file.replace(/\?.*/, '');
var extension = path.extname(withoutQuery).slice(1);
return {
file: file,
extension: extension,
fileWithoutQuery: withoutQuery,
asType: getPreloadType(extension)
}
}
function getPreloadType (ext) {
if (ext === 'js') {
return 'script'
} else if (ext === 'css') {
return 'style'
} else if (/jpe?g|png|svg|gif|webp|ico/.test(ext)) {
return 'image'
} else if (/woff2?|ttf|otf|eot/.test(ext)) {
return 'font'
} else {
// not exhausting all possibilities here, but above covers common cases
return ''
}
}
/* */
function createRenderer (ref) {
if ( ref === void 0 ) ref = {};
var modules = ref.modules; if ( modules === void 0 ) modules = [];
var directives = ref.directives; if ( directives === void 0 ) directives = {};
var isUnaryTag = ref.isUnaryTag; if ( isUnaryTag === void 0 ) isUnaryTag = (function () { return false; });
var template = ref.template;
var inject = ref.inject;
var cache = ref.cache;
var shouldPreload = ref.shouldPreload;
var shouldPrefetch = ref.shouldPrefetch;
var clientManifest = ref.clientManifest;
var serializer = ref.serializer;
var render = createRenderFunction(modules, directives, isUnaryTag, cache);
var templateRenderer = new TemplateRenderer({
template: template,
inject: inject,
shouldPreload: shouldPreload,
shouldPrefetch: shouldPrefetch,
clientManifest: clientManifest,
serializer: serializer
});
return {
renderToString: function renderToString (
component,
context,
cb
) {
var assign;
if (typeof context === 'function') {
cb = context;
context = {};
}
if (context) {
templateRenderer.bindRenderFns(context);
}
// no callback, return Promise
var promise;
if (!cb) {
((assign = createPromiseCallback(), promise = assign.promise, cb = assign.cb));
}
var result = '';
var write = createWriteFunction(function (text) {
result += text;
return false
}, cb);
try {
render(component, write, context, function (err) {
if (err) {
return cb(err)
}
if (context && context.rendered) {
context.rendered(context);
}
if (template) {
try {
var res = templateRenderer.render(result, context);
if (typeof res !== 'string') {
// function template returning promise
res
.then(function (html) { return cb(null, html); })
.catch(cb);
} else {
cb(null, res);
}
} catch (e) {
cb(e);
}
} else {
cb(null, result);
}
});
} catch (e) {
cb(e);
}
return promise
},
renderToStream: function renderToStream (
component,
context
) {
if (context) {
templateRenderer.bindRenderFns(context);
}
var renderStream = new RenderStream(function (write, done) {
render(component, write, context, done);
});
if (!template) {
if (context && context.rendered) {
var rendered = context.rendered;
renderStream.once('beforeEnd', function () {
rendered(context);
});
}
return renderStream
} else if (typeof template === 'function') {
throw new Error("function template is only supported in renderToString.")
} else {
var templateStream = templateRenderer.createStream(context);
renderStream.on('error', function (err) {
templateStream.emit('error', err);
});
renderStream.pipe(templateStream);
if (context && context.rendered) {
var rendered$1 = context.rendered;
renderStream.once('beforeEnd', function () {
rendered$1(context);
});
}
return templateStream
}
}
}
}
var vm = require('vm');
var path$1 = require('path');
var resolve = require('resolve');
var NativeModule = require('module');
function createSandbox (context) {
var sandbox = {
Buffer: Buffer,
console: console,
process: process,
setTimeout: setTimeout,
setInterval: setInterval,
setImmediate: setImmediate,
clearTimeout: clearTimeout,
clearInterval: clearInterval,
clearImmediate: clearImmediate,
__VUE_SSR_CONTEXT__: context
};
sandbox.global = sandbox;
return sandbox
}
function compileModule (files, basedir, runInNewContext) {
var compiledScripts = {};
var resolvedModules = {};
function getCompiledScript (filename) {
if (compiledScripts[filename]) {
return compiledScripts[filename]
}
var code = files[filename];
var wrapper = NativeModule.wrap(code);
var script = new vm.Script(wrapper, {
filename: filename,
displayErrors: true
});
compiledScripts[filename] = script;
return script
}
function evaluateModule (filename, sandbox, evaluatedFiles) {
if ( evaluatedFiles === void 0 ) evaluatedFiles = {};
if (evaluatedFiles[filename]) {
return evaluatedFiles[filename]
}
var script = getCompiledScript(filename);
var compiledWrapper = runInNewContext === false
? script.runInThisContext()
: script.runInNewContext(sandbox);
var m = { exports: {}};
var r = function (file) {
file = path$1.posix.join('.', file);
if (files[file]) {
return evaluateModule(file, sandbox, evaluatedFiles)
} else if (basedir) {
return require(
resolvedModules[file] ||
(resolvedModules[file] = resolve.sync(file, { basedir: basedir }))
)
} else {
return require(file)
}
};
compiledWrapper.call(m.exports, m.exports, r, m);
var res = Object.prototype.hasOwnProperty.call(m.exports, 'default')
? m.exports.default
: m.exports;
evaluatedFiles[filename] = res;
return res
}
return evaluateModule
}
function deepClone (val) {
if (isPlainObject(val)) {
var res = {};
for (var key in val) {
res[key] = deepClone(val[key]);
}
return res
} else if (Array.isArray(val)) {
return val.slice()
} else {
return val
}
}
function createBundleRunner (entry, files, basedir, runInNewContext) {
var evaluate = compileModule(files, basedir, runInNewContext);
if (runInNewContext !== false && runInNewContext !== 'once') {
// new context mode: creates a fresh context and re-evaluate the bundle
// on each render. Ensures entire application state is fresh for each
// render, but incurs extra evaluation cost.
return function (userContext) {
if ( userContext === void 0 ) userContext = {};
return new Promise(function (resolve) {
userContext._registeredComponents = new Set();
var res = evaluate(entry, createSandbox(userContext));
resolve(typeof res === 'function' ? res(userContext) : res);
});
}
} else {
// direct mode: instead of re-evaluating the whole bundle on
// each render, it simply calls the exported function. This avoids the
// module evaluation costs but requires the source code to be structured
// slightly differently.
var runner; // lazy creation so that errors can be caught by user
var initialContext;
return function (userContext) {
if ( userContext === void 0 ) userContext = {};
return new Promise(function (resolve) {
if (!runner) {
var sandbox = runInNewContext === 'once'
? createSandbox()
: global;
// the initial context is only used for collecting possible non-component
// styles injected by vue-style-loader.
initialContext = sandbox.__VUE_SSR_CONTEXT__ = {};
runner = evaluate(entry, sandbox);
// On subsequent renders, __VUE_SSR_CONTEXT__ will not be available
// to prevent cross-request pollution.
delete sandbox.__VUE_SSR_CONTEXT__;
if (typeof runner !== 'function') {
throw new Error(
'bundle export should be a function when using ' +
'{ runInNewContext: false }.'
)
}
}
userContext._registeredComponents = new Set();
// vue-style-loader styles imported outside of component lifecycle hooks
if (initialContext._styles) {
userContext._styles = deepClone(initialContext._styles);
// #6353 ensure "styles" is exposed even if no styles are injected
// in component lifecycles.
// the renderStyles fn is exposed by vue-style-loader >= 3.0.3
var renderStyles = initialContext._renderStyles;
if (renderStyles) {
Object.defineProperty(userContext, 'styles', {
enumerable: true,
get: function get () {
return renderStyles(userContext._styles)
}
});
}
}
resolve(runner(userContext));
});
}
}
}
/* */
var SourceMapConsumer = require('source-map').SourceMapConsumer;
var filenameRE = /\(([^)]+\.js):(\d+):(\d+)\)$/;
function createSourceMapConsumers (rawMaps) {
var maps = {};
Object.keys(rawMaps).forEach(function (file) {
maps[file] = new SourceMapConsumer(rawMaps[file]);
});
return maps
}
function rewriteErrorTrace (e, mapConsumers) {
if (e && typeof e.stack === 'string') {
e.stack = e.stack.split('\n').map(function (line) {
return rewriteTraceLine(line, mapConsumers)
}).join('\n');
}
}
function rewriteTraceLine (trace, mapConsumers) {
var m = trace.match(filenameRE);
var map = m && mapConsumers[m[1]];
if (m != null && map) {
var originalPosition = map.originalPositionFor({
line: Number(m[2]),
column: Number(m[3])
});
if (originalPosition.source != null) {
var source = originalPosition.source;
var line = originalPosition.line;
var column = originalPosition.column;
var mappedPosition = "(" + (source.replace(/^webpack:\/\/\//, '')) + ":" + (String(line)) + ":" + (String(column)) + ")";
return trace.replace(filenameRE, mappedPosition)
} else {
return trace
}
} else {
return trace
}
}
/* */
var fs = require('fs');
var path$2 = require('path');
var PassThrough = require('stream').PassThrough;
var INVALID_MSG =
'Invalid server-rendering bundle format. Should be a string ' +
'or a bundle Object of type:\n\n' +
"{\n entry: string;\n files: { [filename: string]: string; };\n maps: { [filename: string]: string; };\n}\n";
// The render bundle can either be a string (single bundled file)
// or a bundle manifest object generated by vue-ssr-webpack-plugin.
function createBundleRendererCreator (
createRenderer
) {
return function createBundleRenderer (
bundle,
rendererOptions
) {
if ( rendererOptions === void 0 ) rendererOptions = {};
var files, entry, maps;
var basedir = rendererOptions.basedir;
// load bundle if given filepath
if (
typeof bundle === 'string' &&
/\.js(on)?$/.test(bundle) &&
path$2.isAbsolute(bundle)
) {
if (fs.existsSync(bundle)) {
var isJSON = /\.json$/.test(bundle);
basedir = basedir || path$2.dirname(bundle);
bundle = fs.readFileSync(bundle, 'utf-8');
if (isJSON) {
try {
bundle = JSON.parse(bundle);
} catch (e) {
throw new Error(("Invalid JSON bundle file: " + bundle))
}
}
} else {
throw new Error(("Cannot locate bundle file: " + bundle))
}
}
if (typeof bundle === 'object') {
entry = bundle.entry;
files = bundle.files;
basedir = basedir || bundle.basedir;
maps = createSourceMapConsumers(bundle.maps);
if (typeof entry !== 'string' || typeof files !== 'object') {
throw new Error(INVALID_MSG)
}
} else if (typeof bundle === 'string') {
entry = '__vue_ssr_bundle__';
files = { '__vue_ssr_bundle__': bundle };
maps = {};
} else {
throw new Error(INVALID_MSG)
}
var renderer = createRenderer(rendererOptions);
var run = createBundleRunner(
entry,
files,
basedir,
rendererOptions.runInNewContext
);
return {
renderToString: function (context, cb) {
var assign;
if (typeof context === 'function') {
cb = context;
context = {};
}
var promise;
if (!cb) {
((assign = createPromiseCallback(), promise = assign.promise, cb = assign.cb));
}
run(context).catch(function (err) {
rewriteErrorTrace(err, maps);
cb(err);
}).then(function (app) {
if (app) {
renderer.renderToString(app, context, function (err, res) {
rewriteErrorTrace(err, maps);
cb(err, res);
});
}
});
return promise
},
renderToStream: function (context) {
var res = new PassThrough();
run(context).catch(function (err) {
rewriteErrorTrace(err, maps);
// avoid emitting synchronously before user can
// attach error listener
process.nextTick(function () {
res.emit('error', err);
});
}).then(function (app) {
if (app) {
var renderStream = renderer.renderToStream(app, context);
renderStream.on('error', function (err) {
rewriteErrorTrace(err, maps);
res.emit('error', err);
});
// relay HTMLStream special events
if (rendererOptions && rendererOptions.template) {
renderStream.on('beforeStart', function () {
res.emit('beforeStart');
});
renderStream.on('beforeEnd', function () {
res.emit('beforeEnd');
});
}
renderStream.pipe(res);
}
});
return res
}
}
}
}
/* */
process.env.VUE_ENV = 'server';
function createRenderer$1 (options) {
if ( options === void 0 ) options = {};
return createRenderer(extend(extend({}, options), {
isUnaryTag: isUnaryTag,
canBeLeftOpenTag: canBeLeftOpenTag,
modules: modules,
// user can provide server-side implementations for custom directives
// when creating the renderer.
directives: extend(baseDirectives, options.directives)
}))
}
var createBundleRenderer = createBundleRendererCreator(createRenderer$1);
exports.createRenderer = createRenderer$1;
exports.createBundleRenderer = createBundleRenderer;