standaardisation updates

convert/lodash/lodash._basecreatecallback/index.js

@@ -0,0 +1,80 @@
+/**
+ * Lo-Dash 2.3.0 (Custom Build) <http://lodash.com/>
+ * Build: `lodash modularize modern exports="npm" -o ./npm/`
+ * Copyright 2012-2013 The Dojo Foundation <http://dojofoundation.org/>
+ * Based on Underscore.js 1.5.2 <http://underscorejs.org/LICENSE>
+ * Copyright 2009-2013 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
+ * Available under MIT license <http://lodash.com/license>
+ */
+var bind = require('./../lodash.bind'),
+    identity = require('./../lodash.identity'),
+    setBindData = require('./../lodash._setbinddata'),
+    support = require('./../lodash.support');
+
+/** Used to detected named functions */
+var reFuncName = /^\s*function[ \n\r\t]+\w/;
+
+/** Used to detect functions containing a `this` reference */
+var reThis = /\bthis\b/;
+
+/** Native method shortcuts */
+var fnToString = Function.prototype.toString;
+
+/**
+ * The base implementation of `_.createCallback` without support for creating
+ * "_.pluck" or "_.where" style callbacks.
+ *
+ * @private
+ * @param {*} [func=identity] The value to convert to a callback.
+ * @param {*} [thisArg] The `this` binding of the created callback.
+ * @param {number} [argCount] The number of arguments the callback accepts.
+ * @returns {Function} Returns a callback function.
+ */
+function baseCreateCallback(func, thisArg, argCount) {
+  if (typeof func != 'function') {
+    return identity;
+  }
+  // exit early for no `thisArg` or already bound by `Function#bind`
+  if (typeof thisArg == 'undefined' || !('prototype' in func)) {
+    return func;
+  }
+  var bindData = func.__bindData__;
+  if (typeof bindData == 'undefined') {
+    if (support.funcNames) {
+      bindData = !func.name;
+    }
+    bindData = bindData || !support.funcDecomp;
+    if (!bindData) {
+      var source = fnToString.call(func);
+      if (!support.funcNames) {
+        bindData = !reFuncName.test(source);
+      }
+      if (!bindData) {
+        // checks if `func` references the `this` keyword and stores the result
+        bindData = reThis.test(source);
+        setBindData(func, bindData);
+      }
+    }
+  }
+  // exit early if there are no `this` references or `func` is bound
+  if (bindData === false || (bindData !== true && bindData[1] & 1)) {
+    return func;
+  }
+  switch (argCount) {
+    case 1: return function(value) {
+      return func.call(thisArg, value);
+    };
+    case 2: return function(a, b) {
+      return func.call(thisArg, a, b);
+    };
+    case 3: return function(value, index, collection) {
+      return func.call(thisArg, value, index, collection);
+    };
+    case 4: return function(accumulator, value, index, collection) {
+      return func.call(thisArg, accumulator, value, index, collection);
+    };
+  }
+  return bind(func, thisArg);
+}
+
+module.exports = baseCreateCallback;