build: build 2.4.3

Author: yyx990803

dist/vue.common.js

@@ -152,12 +152,9 @@ var capitalize = cached(function (str) {
 /**
  * Hyphenate a camelCase string.
  */
-var hyphenateRE = /([^-])([A-Z])/g;
+var hyphenateRE = /\B([A-Z])/g;
 var hyphenate = cached(function (str) {
-  return str
-    .replace(hyphenateRE, '$1-$2')
-    .replace(hyphenateRE, '$1-$2')
-    .toLowerCase()
+  return str.replace(hyphenateRE, '-$1').toLowerCase()
 });
 
 /**
@@ -284,8 +281,6 @@ function escape (s) {
   return s.replace(/[<>"&]/g, escapeChar)
 }
 
-var cachedEscape = cached(escape);
-
 function escapeChar (a) {
   return ESC[a] || a
 }
@@ -297,7 +292,7 @@ function escapeChar (a) {
 var isReservedAttr = makeMap('style,class');
 
 // attributes that should be using props for binding
-var acceptValue = makeMap('input,textarea,option,select');
+var acceptValue = makeMap('input,textarea,option,select,progress');
 var mustUseProp = function (tag, type, attr) {
   return (
     (attr === 'value' && acceptValue(tag)) && type !== 'button' ||
@@ -367,7 +362,7 @@ function renderAttr (key, value) {
   } else if (isEnumeratedAttr(key)) {
     return (" " + key + "=\"" + (isFalsyAttrValue(value) || value === 'false' ? 'false' : 'true') + "\"")
   } else if (!isFalsyAttrValue(value)) {
-    return (" " + key + "=\"" + (typeof value === 'string' ? cachedEscape(value) : value) + "\"")
+    return (" " + key + "=\"" + (escape(String(value))) + "\"")
   }
   return ''
 }
@@ -758,7 +753,7 @@ var isAndroid = UA && UA.indexOf('android') > 0;
 var isIOS = UA && /iphone|ipad|ipod|ios/.test(UA);
 var isChrome = UA && /chrome\/\d+/.test(UA) && !isEdge;
 
-// Firefix has a "watch" function on Object.prototype...
+// Firefox has a "watch" function on Object.prototype...
 var nativeWatch = ({}).watch;
 
 var supportsPassive = false;
@@ -840,13 +835,13 @@ var nextTick = (function () {
       // "force" the microtask queue to be flushed by adding an empty timer.
       if (isIOS) { setTimeout(noop); }
     };
-  } else if (typeof MutationObserver !== 'undefined' && (
+  } 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 IE11, iOS7, Android 4.4
+    // e.g. PhantomJS, iOS7, Android 4.4
     var counter = 1;
     var observer = new MutationObserver(nextTickHandler);
     var textNode = document.createTextNode(String(counter));
@@ -1146,9 +1141,9 @@ function defineReactive$$1 (
         dep.depend();
         if (childOb) {
           childOb.dep.depend();
-        }
-        if (Array.isArray(value)) {
-          dependArray(value);
+          if (Array.isArray(value)) {
+            dependArray(value);
+          }
         }
       }
       return value
@@ -1304,7 +1299,7 @@ function mergeDataOrFn (
         : childVal;
       var defaultData = typeof parentVal === 'function'
         ? parentVal.call(vm)
-        : undefined;
+        : parentVal;
       if (instanceData) {
         return mergeData(instanceData, defaultData)
       } else {
@@ -1707,7 +1702,12 @@ function assertType (value, type) {
   var valid;
   var expectedType = getType(type);
   if (simpleCheckRE.test(expectedType)) {
-    valid = typeof value === expectedType.toLowerCase();
+    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') {
@@ -1871,6 +1871,10 @@ function getTagNamespace (tag) {
   }
 }
 
+
+
+var isTextInputType = makeMap('text,number,password,search,email,tel,url');
+
 /*  */
 
 /**
@@ -1882,7 +1886,7 @@ function getTagNamespace (tag) {
 function renderClass (node) {
   var classList = genClassForVnode(node);
   if (classList !== '') {
-    return (" class=\"" + (cachedEscape(classList)) + "\"")
+    return (" class=\"" + (escape(classList)) + "\"")
   }
 }
 
@@ -1974,7 +1978,7 @@ function genStyle (style) {
 function renderStyle (vnode) {
   var styleText = genStyle(getStyle(vnode, false));
   if (styleText !== '') {
-    return (" style=" + (JSON.stringify(cachedEscape(styleText))))
+    return (" style=" + (JSON.stringify(escape(styleText))))
   }
 }
 
@@ -2718,7 +2722,7 @@ function genCheckboxModel (
     'if(Array.isArray($$a)){' +
       "var $$v=" + (number ? '_n(' + valueBinding + ')' : valueBinding) + "," +
           '$$i=_i($$a,$$v);' +
-      "if($$el.checked){$$i<0&&(" + value + "=$$a.concat($$v))}" +
+      "if($$el.checked){$$i<0&&(" + value + "=$$a.concat([$$v]))}" +
       "else{$$i>-1&&(" + value + "=$$a.slice(0,$$i).concat($$a.slice($$i+1)))}" +
     "}else{" + (genAssignmentCode(value, '$$c')) + "}",
     null, true
@@ -3195,29 +3199,14 @@ var he = createCommonjsModule(function (module, exports) {
  */
 
 // Regular Expressions for parsing tags and attributes
-var singleAttrIdentifier = /([^\s"'<>/=]+)/;
-var singleAttrAssign = /(?:=)/;
-var singleAttrValues = [
-  // attr value double quotes
-  /"([^"]*)"+/.source,
-  // attr value, single quotes
-  /'([^']*)'+/.source,
-  // attr value, no quotes
-  /([^\s"'=<>`]+)/.source
-];
-var attribute = new RegExp(
-  '^\\s*' + singleAttrIdentifier.source +
-  '(?:\\s*(' + singleAttrAssign.source + ')' +
-  '\\s*(?:' + singleAttrValues.join('|') + '))?'
-);
-
+var attribute = /^\s*([^\s"'<>\/=]+)(?:\s*(=)\s*(?:"([^"]*)"+|'([^']*)'+|([^\s"'=<>`]+)))?/;
 // could use https://www.w3.org/TR/1999/REC-xml-names-19990114/#NT-QName
 // but for Vue templates we can enforce a simple charset
 var ncname = '[a-zA-Z_][\\w\\-\\.]*';
-var qnameCapture = '((?:' + ncname + '\\:)?' + ncname + ')';
-var startTagOpen = new RegExp('^<' + qnameCapture);
+var qnameCapture = "((?:" + ncname + "\\:)?" + ncname + ")";
+var startTagOpen = new RegExp(("^<" + qnameCapture));
 var startTagClose = /^\s*(\/?)>/;
-var endTag = new RegExp('^<\\/' + qnameCapture + '[^>]*>');
+var endTag = new RegExp(("^<\\/" + qnameCapture + "[^>]*>"));
 var doctype = /^<!DOCTYPE [^>]+>/i;
 var comment = /^<!--/;
 var conditionalComment = /^<!\[/;
@@ -3917,6 +3906,8 @@ function processSlot (el) {
     var slotTarget = getBindingAttr(el, 'slot');
     if (slotTarget) {
       el.slotTarget = slotTarget === '""' ? '"default"' : slotTarget;
+      // preserve slot as an attribute for native shadow DOM compat
+      addAttr(el, 'slot', slotTarget);
     }
     if (el.tag === 'template') {
       el.slotScope = getAndRemoveAttr(el, 'scope');
@@ -4326,7 +4317,7 @@ function genOnce (el, state) {
       );
       return genElement(el, state)
     }
-    return ("_o(" + (genElement(el, state)) + "," + (state.onceId++) + (key ? ("," + key) : "") + ")")
+    return ("_o(" + (genElement(el, state)) + "," + (state.onceId++) + "," + key + ")")
   } else {
     return genStatic(el, state)
   }
@@ -5075,10 +5066,10 @@ function elementToOpenTagSegments (el, state) {
 function childrenToSegments (el, state) {
   var binding;
   if ((binding = el.attrsMap['v-html'])) {
-    return [{ type: EXPRESSION, value: binding }]
+    return [{ type: EXPRESSION, value: ("_s(" + binding + ")") }]
   }
   if ((binding = el.attrsMap['v-text'])) {
-    return [{ type: INTERPOLATION, value: binding }]
+    return [{ type: INTERPOLATION, value: ("_s(" + binding + ")") }]
   }
   return el.children
     ? nodesToSegments(el.children, state)
@@ -5097,7 +5088,7 @@ function nodesToSegments (
     } else if (c.type === 2) {
       segments.push({ type: INTERPOLATION, value: c.expression });
     } else if (c.type === 3) {
-      segments.push({ type: RAW, value: c.text });
+      segments.push({ type: RAW, value: escape(c.text) });
     }
   }
   return segments
@@ -5571,7 +5562,7 @@ function renderSSRClass (
   dynamic
 ) {
   var res = renderClass$1(staticClass, dynamic);
-  return res === '' ? res : (" class=\"" + (cachedEscape(res)) + "\"")
+  return res === '' ? res : (" class=\"" + (escape(res)) + "\"")
 }
 
 function renderSSRStyle (
@@ -5584,7 +5575,7 @@ function renderSSRStyle (
   if (dynamic) { extend(style, normalizeStyleBinding(dynamic)); }
   if (extra) { extend(style, extra); }
   var res = genStyle(style);
-  return res === '' ? res : (" style=" + (JSON.stringify(cachedEscape(res))))
+  return res === '' ? res : (" style=" + (JSON.stringify(escape(res))))
 }
 
 /* not type checking this file because flow doesn't play well with Proxy */
@@ -5693,8 +5684,10 @@ var normalizeEvent = cached(function (name) {
   name = once$$1 ? name.slice(1) : name;
   var capture = name.charAt(0) === '!';
   name = capture ? name.slice(1) : name;
+  var plain = !(passive || once$$1 || capture);
   return {
     name: name,
+    plain: plain,
     once: once$$1,
     capture: capture,
     passive: passive
@@ -5720,6 +5713,11 @@ function createFnInvoker (fns) {
   return invoker
 }
 
+// #6552
+function prioritizePlainEvents (a, b) {
+  return a.plain ? -1 : b.plain ? 1 : 0
+}
+
 function updateListeners (
   on,
   oldOn,
@@ -5728,10 +5726,13 @@ function updateListeners (
   vm
 ) {
   var name, cur, old, event;
+  var toAdd = [];
+  var hasModifier = false;
   for (name in on) {
     cur = on[name];
     old = oldOn[name];
     event = normalizeEvent(name);
+    if (!event.plain) { hasModifier = true; }
     if (isUndef(cur)) {
       "development" !== 'production' && warn(
         "Invalid handler for event \"" + (event.name) + "\": got " + String(cur),
@@ -5741,12 +5742,20 @@ function updateListeners (
       if (isUndef(cur.fns)) {
         cur = on[name] = createFnInvoker(cur);
       }
-      add(event.name, cur, event.once, event.capture, event.passive);
+      event.handler = cur;
+      toAdd.push(event);
     } else if (cur !== old) {
       old.fns = cur;
       on[name] = old;
     }
   }
+  if (toAdd.length) {
+    if (hasModifier) { toAdd.sort(prioritizePlainEvents); }
+    for (var i = 0; i < toAdd.length; i++) {
+      var event$1 = toAdd[i];
+      add(event$1.name, event$1.handler, event$1.once, event$1.capture, event$1.passive);
+    }
+  }
   for (name in oldOn) {
     if (isUndef(on[name])) {
       event = normalizeEvent(name);
@@ -5955,6 +5964,8 @@ function resolveAsyncComponent (
 
 /*  */
 
+/*  */
+
 
 
 var target;
@@ -5996,10 +6007,15 @@ function resolveSlots (
   var defaultSlot = [];
   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.functionalContext === context) &&
-      child.data && child.data.slot != null
+      data && data.slot != null
     ) {
       var name = child.data.slot;
       var slot = (slots[name] || (slots[name] = []));
@@ -6062,11 +6078,11 @@ function updateChildComponent (
   }
   vm.$options._renderChildren = renderChildren;
 
-  // update $attrs and $listensers hash
+  // 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 && parentVnode.data.attrs;
-  vm.$listeners = listeners;
+  vm.$attrs = (parentVnode.data && parentVnode.data.attrs) || emptyObject;
+  vm.$listeners = listeners || emptyObject;
 
   // update props
   if (propsData && vm.$options.props) {
@@ -6642,7 +6658,7 @@ function _createElement (
   var vnode, ns;
   if (typeof tag === 'string') {
     var Ctor;
-    ns = config.getTagNamespace(tag);
+    ns = (context.$vnode && context.$vnode.ns) || config.getTagNamespace(tag);
     if (config.isReservedTag(tag)) {
       // platform built-in elements
       vnode = new VNode(
@@ -6746,7 +6762,10 @@ function resolveInject (inject, vm) {
     // inject is :any because flow is not smart enough to figure out cached
     var result = Object.create(null);
     var keys = hasSymbol
-        ? Reflect.ownKeys(inject)
+        ? Reflect.ownKeys(inject).filter(function (key) {
+          /* istanbul ignore next */
+          return Object.getOwnPropertyDescriptor(inject, key).enumerable
+        })
         : Object.keys(inject);
 
     for (var i = 0; i < keys.length; i++) {
@@ -6842,7 +6861,7 @@ function createFunctionalComponent (
   var propOptions = Ctor.options.props;
   if (isDef(propOptions)) {
     for (var key in propOptions) {
-      props[key] = validateProp(key, propOptions, propsData || {});
+      props[key] = validateProp(key, propOptions, propsData || emptyObject);
     }
   } else {
     if (isDef(data.attrs)) { mergeProps(props, data.attrs); }
@@ -6857,7 +6876,7 @@ function createFunctionalComponent (
     props: props,
     children: children,
     parent: context,
-    listeners: data.on || {},
+    listeners: data.on || emptyObject,
     injections: resolveInject(Ctor.options.inject, context),
     slots: function () { return resolveSlots(children, context); }
   });