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node_modules/object.assign/implementation.js
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EvgeniyBudaev
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17 фев 2020, 09:02
17 фев 2020, 09:02
bb6f06f
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'use strict'; // modified from https://github.com/es-shims/es6-shim var keys = require('object-keys'); var bind = require('function-bind'); var canBeObject = function (obj) { return typeof obj !== 'undefined' && obj !== null; }; var hasSymbols = require('has-symbols/shams')(); var toObject = Object; var push = bind.call(Function.call, Array.prototype.push); var propIsEnumerable = bind.call(Function.call, Object.prototype.propertyIsEnumerable); var originalGetSymbols = hasSymbols ? Object.getOwnPropertySymbols : null; module.exports = function assign(target, source1) { if (!canBeObject(target)) { throw new TypeError('target must be an object'); } var objTarget = toObject(target); var s, source, i, props, syms, value, key; for (s = 1; s < arguments.length; ++s) { source = toObject(arguments[s]); props = keys(source); var getSymbols = hasSymbols && (Object.getOwnPropertySymbols || originalGetSymbols); if (getSymbols) { syms = getSymbols(source); for (i = 0; i < syms.length; ++i) { key = syms[i]; if (propIsEnumerable(source, key)) { push(props, key); } } } for (i = 0; i < props.length; ++i) { key = props[i]; value = source[key]; if (propIsEnumerable(source, key)) { objTarget[key] = value; } } } return objTarget; };