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                    node_modules/es5-ext/array/#/group.js
                
             | 28 lines
             | 613 B
             | application/javascript 
             | JavascriptLexer
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      // Inspired by Underscore's groupBy:

      // http://documentcloud.github.com/underscore/#groupBy

      "use strict";

      var callable = require("../../object/valid-callable")

        , value    = require("../../object/valid-value")

        , forEach  = Array.prototype.forEach

        , apply    = Function.prototype.apply;

      module.exports = function (cb/*, thisArg*/) {

      	var result;

      	value(this);

      	callable(cb);

      	result = Object.create(null);

      	forEach.call(

      		this,

      		function (item) {

      			var key = apply.call(cb, this, arguments);

      			if (!result[key]) result[key] = [];

      			result[key].push(item);

      		},

      		arguments[1]

      	);

      	return result;

      };

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				// Inspired by Underscore's groupBy:
				// http://documentcloud.github.com/underscore/#groupBy

				"use strict";

				var callable = require("../../object/valid-callable")
				, value = require("../../object/valid-value")
				, forEach = Array.prototype.forEach
				, apply = Function.prototype.apply;

				module.exports = function (cb/, thisArg/) {
				var result;

				value(this);
				callable(cb);

				result = Object.create(null);
				forEach.call(
				this,
				function (item) {
				var key = apply.call(cb, this, arguments);
				if (!result[key]) result[key] = [];
				result[key].push(item);
				},
				arguments[1]
				);
				return result;
				};