implementation.js
078f80032ad6issn4frontend

implementation.js
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			'use strict';

			/* eslint no-invalid-this: 1 */

			var ERROR_MESSAGE = 'Function.prototype.bind called on incompatible ';
			var slice = Array.prototype.slice;
			var toStr = Object.prototype.toString;
			var funcType = '[object Function]';

			module.exports = function bind(that) {
			var target = this;
			if (typeof target !== 'function' \|\| toStr.call(target) !== funcType) {
			throw new TypeError(ERROR_MESSAGE + target);
			}
			var args = slice.call(arguments, 1);

			var bound;
			var binder = function () {
			if (this instanceof bound) {
			var result = target.apply(
			this,
			args.concat(slice.call(arguments))
			);
			if (Object(result) === result) {
			return result;
			}
			return this;
			} else {
			return target.apply(
			that,
			args.concat(slice.call(arguments))
			);
			}
			};

			var boundLength = Math.max(0, target.length - args.length);
			var boundArgs = [];
			for (var i = 0; i < boundLength; i++) {
			boundArgs.push('$' + i);
			}

			bound = Function('binder', 'return function (' + boundArgs.join(',') + '){ return binder.apply(this,arguments); }')(binder);

			if (target.prototype) {
			var Empty = function Empty() {};
			Empty.prototype = target.prototype;
			bound.prototype = new Empty();
			Empty.prototype = null;
			}

			return bound;
			};