[build] 1.0.28

Author: yyx990803

dist/vue.common.js

@@ -1,5 +1,5 @@
 /*!
- * Vue.js v1.0.27
+ * Vue.js v1.0.28
  * (c) 2016 Evan You
  * Released under the MIT License.
  */
@@ -401,6 +401,7 @@ var UA = inBrowser && window.navigator.userAgent.toLowerCase();
 var isIE = UA && UA.indexOf('trident') > 0;
 var isIE9 = UA && UA.indexOf('msie 9.0') > 0;
 var isAndroid = UA && UA.indexOf('android') > 0;
+var isIOS = UA && /iphone|ipad|ipod|ios/.test(UA);
 
 var transitionProp = undefined;
 var transitionEndEvent = undefined;
@@ -417,6 +418,12 @@ if (inBrowser && !isIE9) {
   animationEndEvent = isWebkitAnim ? 'webkitAnimationEnd' : 'animationend';
 }
 
+/* istanbul ignore next */
+function isNative(Ctor) {
+  return (/native code/.test(Ctor.toString())
+  );
+}
+
 /**
  * Defer a task to execute it asynchronously. Ideally this
  * should be executed as a microtask, so we leverage
@@ -430,33 +437,53 @@ if (inBrowser && !isIE9) {
 var nextTick = (function () {
   var callbacks = [];
   var pending = false;
-  var timerFunc;
+  var timerFunc = undefined;
+
   function nextTickHandler() {
     pending = false;
     var copies = callbacks.slice(0);
-    callbacks = [];
+    callbacks.length = 0;
     for (var i = 0; i < copies.length; i++) {
       copies[i]();
     }
   }
 
-  /* istanbul ignore else */
-  if (inBrowser && window.postMessage && !window.importScripts && // not in WebWorker
-  !(isAndroid && !window.requestAnimationFrame) // not in Android <= 4.3
-  ) {
-      (function () {
-        var NEXT_TICK_TOKEN = '__vue__nextTick__';
-        window.addEventListener('message', function (e) {
-          if (e.source === window && e.data === NEXT_TICK_TOKEN) {
-            nextTickHandler();
-          }
-        });
-        timerFunc = function () {
-          window.postMessage(NEXT_TICK_TOKEN, '*');
-        };
-      })();
-    } else {
-    timerFunc = typeof global !== 'undefined' && global.setImmediate || setTimeout;
+  // 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 if */
+  if (typeof Promise !== 'undefined' && isNative(Promise)) {
+    var p = Promise.resolve();
+    var noop = function noop() {};
+    timerFunc = function () {
+      p.then(nextTickHandler);
+      // in problematic UIWebViews, Promise.then doesn't completely break, but
+      // it can get stuck in a weird state where callbacks are pushed into the
+      // microtask queue but the queue isn't being flushed, until the browser
+      // needs to do some other work, e.g. handle a timer. Therefore we can
+      // "force" the microtask queue to be flushed by adding an empty timer.
+      if (isIOS) setTimeout(noop);
+    };
+  } else if (typeof MutationObserver !== 'undefined') {
+    // use MutationObserver where native Promise is not available,
+    // e.g. IE11, iOS7, Android 4.4
+    var counter = 1;
+    var observer = new MutationObserver(nextTickHandler);
+    var textNode = document.createTextNode(String(counter));
+    observer.observe(textNode, {
+      characterData: true
+    });
+    timerFunc = function () {
+      counter = (counter + 1) % 2;
+      textNode.data = String(counter);
+    };
+  } else {
+    // fallback to setTimeout
+    /* istanbul ignore next */
+    timerFunc = setTimeout;
   }
 
   return function (cb, ctx) {
@@ -472,7 +499,7 @@ var nextTick = (function () {
 
 var _Set = undefined;
 /* istanbul ignore if */
-if (typeof Set !== 'undefined' && Set.toString().match(/native code/)) {
+if (typeof Set !== 'undefined' && isNative(Set)) {
   // use native Set when available.
   _Set = Set;
 } else {
@@ -1634,24 +1661,6 @@ function getOuterHTML(el) {
   }
 }
 
-/**
- * Find a vm from a fragment.
- *
- * @param {Fragment} frag
- * @return {Vue|undefined}
- */
-
-function findVmFromFrag(frag) {
-  var node = frag.node;
-  // handle multi-node frag
-  if (frag.end) {
-    while (!node.__vue__ && node !== frag.end && node.nextSibling) {
-      node = node.nextSibling;
-    }
-  }
-  return node.__vue__;
-}
-
 var commonTagRE = /^(div|p|span|img|a|b|i|br|ul|ol|li|h1|h2|h3|h4|h5|h6|code|pre|table|th|td|tr|form|label|input|select|option|nav|article|section|header|footer)$/i;
 var reservedTagRE = /^(slot|partial|component)$/i;
 
@@ -2435,6 +2444,7 @@ var util = Object.freeze({
 	isIE: isIE,
 	isIE9: isIE9,
 	isAndroid: isAndroid,
+	isIOS: isIOS,
 	get transitionProp () { return transitionProp; },
 	get transitionEndEvent () { return transitionEndEvent; },
 	get animationProp () { return animationProp; },
@@ -2465,7 +2475,6 @@ var util = Object.freeze({
 	removeNodeRange: removeNodeRange,
 	isFragment: isFragment,
 	getOuterHTML: getOuterHTML,
-	findVmFromFrag: findVmFromFrag,
 	mergeOptions: mergeOptions,
 	resolveAsset: resolveAsset,
 	checkComponentAttr: checkComponentAttr,
@@ -4101,6 +4110,10 @@ var vFor = {
   params: ['track-by', 'stagger', 'enter-stagger', 'leave-stagger'],
 
   bind: function bind() {
+    if (process.env.NODE_ENV !== 'production' && this.el.hasAttribute('v-if')) {
+      warn('<' + this.el.tagName.toLowerCase() + ' v-for="' + this.expression + '" v-if="' + this.el.getAttribute('v-if') + '">: ' + 'Using v-if and v-for on the same element is not recommended - ' + 'consider filtering the source Array instead.', this.vm);
+    }
+
     // support "item in/of items" syntax
     var inMatch = this.expression.match(/(.*) (?:in|of) (.*)/);
     if (inMatch) {
@@ -4680,6 +4693,24 @@ if (process.env.NODE_ENV !== 'production') {
   };
 }
 
+/**
+ * Find a vm from a fragment.
+ *
+ * @param {Fragment} frag
+ * @return {Vue|undefined}
+ */
+
+function findVmFromFrag(frag) {
+  var node = frag.node;
+  // handle multi-node frag
+  if (frag.end) {
+    while (!node.__vue__ && node !== frag.end && node.nextSibling) {
+      node = node.nextSibling;
+    }
+  }
+  return node.__vue__;
+}
+
 var vIf = {
 
   priority: IF,
@@ -4708,10 +4739,8 @@ var vIf = {
     if (value) {
       if (!this.frag) {
         this.insert();
-        this.updateRef(value);
       }
     } else {
-      this.updateRef(value);
       this.remove();
     }
   },
@@ -4743,29 +4772,6 @@ var vIf = {
     }
   },
 
-  updateRef: function updateRef(value) {
-    var ref = this.descriptor.ref;
-    if (!ref) return;
-    var hash = (this.vm || this._scope).$refs;
-    var refs = hash[ref];
-    var key = this._frag.scope.$key;
-    if (!refs) return;
-    if (value) {
-      if (Array.isArray(refs)) {
-        refs.push(findVmFromFrag(this._frag));
-      } else {
-        refs[key] = findVmFromFrag(this._frag);
-      }
-    } else {
-      if (Array.isArray(refs)) {
-        refs.$remove(findVmFromFrag(this._frag));
-      } else {
-        refs[key] = null;
-        delete refs[key];
-      }
-    }
-  },
-
   unbind: function unbind() {
     if (this.frag) {
       this.frag.destroy();
@@ -7064,18 +7070,20 @@ function sortDirectives(dirs) {
 
   var groupedMap = {};
   var i, j, k, l;
+  var index = 0;
+  var priorities = [];
   for (i = 0, j = dirs.length; i < j; i++) {
     var dir = dirs[i];
     var priority = dir.descriptor.def.priority || DEFAULT_PRIORITY;
     var array = groupedMap[priority];
     if (!array) {
       array = groupedMap[priority] = [];
+      priorities.push(priority);
     }
     array.push(dir);
   }
 
-  var index = 0;
-  var priorities = Object.keys(groupedMap).sort(function (a, b) {
+  priorities.sort(function (a, b) {
     return a > b ? -1 : a === b ? 0 : 1;
   });
   for (i = 0, j = priorities.length; i < j; i++) {
@@ -7597,7 +7605,7 @@ function makeTerminalNodeLinkFn(el, dirName, value, options, def, rawName, arg,
     def: def
   };
   // check ref for v-for, v-if and router-view
-  if (dirName === 'for' || dirName === 'if' || dirName === 'router-view') {
+  if (dirName === 'for' || dirName === 'router-view') {
     descriptor.ref = findRef(el);
   }
   var fn = function terminalNodeLinkFn(vm, el, host, scope, frag) {
@@ -10213,7 +10221,7 @@ function installGlobalAPI (Vue) {
 
 installGlobalAPI(Vue);
 
-Vue.version = '1.0.27';
+Vue.version = '1.0.28';
 
 // devtools global hook
 /* istanbul ignore next */