add interpolate option

Author: Evan You

src/compiler.js

@@ -49,7 +49,7 @@ function Compiler (vm, options) {
 
     // initialize element
     var el = compiler.el = compiler.setupElement(options)
-    log('\nnew VM instance:', el.tagName, '\n')
+    log('\nnew VM instance: ' + el.tagName + '\n')
 
     // set compiler properties
     compiler.vm = el.vue_vm = vm
@@ -399,7 +399,7 @@ CompilerProto.compile = function (node, root) {
             compiler.compileNode(node)
         }
 
-    } else if (nodeType === 3) { // text node
+    } else if (nodeType === 3 && config.interpolate) { // text node
 
         compiler.compileTextNode(node)
 
@@ -438,7 +438,7 @@ CompilerProto.compileNode = function (node) {
                         this.bindDirective(directive)
                     }
                 }
-            } else {
+            } else if (config.interpolate) {
                 // non directive attribute, check interpolation tags
                 exp = TextParser.parseAttr(attr.value)
                 if (exp) {

src/config.js

@@ -17,6 +17,7 @@ var prefix = 'v',
         silent      : false,
         enterClass  : 'v-enter',
         leaveClass  : 'v-leave',
+        interpolate : true,
         attrs       : {},
 
         get prefix () {

src/utils.js

@@ -1,7 +1,6 @@
 var config    = require('./config'),
     attrs     = config.attrs,
     toString  = ({}).toString,
-    join      = [].join,
     win       = window,
     console   = win.console,
     timeout   = win.setTimeout,
@@ -167,21 +166,21 @@ var utils = module.exports = {
     /**
      *  log for debugging
      */
-    log: function () {
+    log: function (msg) {
         if (config.debug && console) {
-            console.log(join.call(arguments, ' '))
+            console.log(msg)
         }
     },
 
     /**
      *  warnings, traces by default
      *  can be suppressed by `silent` option.
      */
-    warn: function() {
+    warn: function (msg) {
         if (!config.silent && console) {
-            console.warn(join.call(arguments, ' '))
-            if (config.debug) {
-                console.trace()
+            console.warn(msg)
+            if (config.debug && console.trace) {
+                console.trace(msg)
             }
         }
     },