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index.js
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Created: Tue, Jul 8, 15:06

index.js
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	// async-each MIT license (by Paul Miller from http://paulmillr.com).
	(function(globals) {
	'use strict';
	var each = function(items, next, callback) {
	if (!Array.isArray(items)) throw new TypeError('each() expects array as first argument');
	if (typeof next !== 'function') throw new TypeError('each() expects function as second argument');
	if (typeof callback !== 'function') callback = Function.prototype; // no-op

	if (items.length === 0) return callback(undefined, items);

	var transformed = new Array(items.length);
	var count = 0;
	var returned = false;

	items.forEach(function(item, index) {
	next(item, function(error, transformedItem) {
	if (returned) return;
	if (error) {
	returned = true;
	return callback(error);
	}
	transformed[index] = transformedItem;
	count += 1;
	if (count === items.length) return callback(undefined, transformed);
	});
	});
	};

	if (typeof define !== 'undefined' && define.amd) {
	define([], function() {
	return each;
	}); // RequireJS
	} else if (typeof module !== 'undefined' && module.exports) {
	module.exports = each; // CommonJS
	} else {
	globals.asyncEach = each; // <script>
	}
	})(this);

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