Add no-es5-compat option during build. Add option to include/exclude stateful module during build.

README.md

@@ -110,6 +110,7 @@ Additional flags for build script are:
 
 - **no-strict** — Strips "use strict" directives from source
 - **no-svg-export** — Removes svg exporting functionality
+- **no-es5-compat** - Removes ES5 compat methods (Array.prototype.*, String.prototype.*, Function.prototype.*)
 
 For example:
 

build.js

@@ -30,6 +30,7 @@ else if (minifier === 'uglifyjs') {
 var includeAllModules = modulesToInclude.length === 1 && modulesToInclude[0] === 'ALL';
 var noStrict = 'no-strict' in buildArgsAsObject;
 var noSVGExport = 'no-svg-export' in buildArgsAsObject;
+var noES5Compat = 'no-es5-compat' in buildArgsAsObject;
 
 var distFileContents =
   '/* build: `node build.js modules=' +
@@ -37,6 +38,7 @@ var distFileContents =
     (modulesToExclude.length ? (' exclude=' + modulesToExclude.join(',')) : '') +
     (noStrict ? ' no-strict' : '') +
     (noSVGExport ? ' no-svg-export' : '') +
+    (noES5Compat ? ' no-es5-compat' : '') +
   '` */\n';
 
 function appendFileContents(fileNames, callback) {
@@ -62,6 +64,9 @@ function appendFileContents(fileNames, callback) {
       if (noSVGExport) {
         strData = strData.replace(/\/\* _TO_SVG_START_ \*\/[\s\S]*\/\* _TO_SVG_END_ \*\//, '');
       }
+      if (noES5Compat) {
+        strData = strData.replace(/\/\* _ES5_COMPAT_START_ \*\/[\s\S]*\/\* _ES5_COMPAT_END_ \*\//, '');
+      }
       distFileContents += (strData + '\n');
       readNextFile();
     });
@@ -142,7 +147,8 @@ var filesToInclude = [
   'src/object.class.js',
   'src/object_origin.mixin.js',
   'src/object_geometry.mixin.js',
-  'src/stateful.mixin.js',
+
+  ifSpecifiedInclude('stateful', 'src/stateful.mixin.js'),
 
   ifSpecifiedInclude('interaction', 'src/object_interactivity.mixin.js'),
 

src/util/lang_array.js

@@ -2,6 +2,8 @@
 
   var slice = Array.prototype.slice;
 
+  /* _ES5_COMPAT_START_ */
+
   if (!Array.prototype.indexOf) {
     /**
      * Finds index of an element in an array
@@ -166,6 +168,8 @@
     };
   }
 
+  /* _ES5_COMPAT_END_ */
+
   /**
    * Invokes method on all items in a given array
    * @memberOf fabric.util.array

src/util/lang_function.js

@@ -1,3 +1,4 @@
+/* _ES5_COMPAT_START_ */
 (function() {
 
   var slice = Array.prototype.slice,
@@ -32,4 +33,5 @@
     };
   }
 
-})();
+})();
+/* _ES5_COMPAT_END_ */

src/util/lang_string.js

@@ -1,5 +1,6 @@
 (function() {
 
+/* _ES5_COMPAT_START_ */
 if (!String.prototype.trim) {
   /**
    * Trims a string (removing whitespace from the beginning and the end)
@@ -11,6 +12,7 @@ if (!String.prototype.trim) {
     return this.replace(/^[\s\xA0]+/, '').replace(/[\s\xA0]+$/, '');
   };
 }
+/* _ES5_COMPAT_END_ */
 
 /**
  * Camelizes a string