| 1 | 'use strict';
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| 2 | var isCallable = require('../internals/is-callable');
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| 3 | var definePropertyModule = require('../internals/object-define-property');
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| 4 | var makeBuiltIn = require('../internals/make-built-in');
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| 5 | var defineGlobalProperty = require('../internals/define-global-property');
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| 6 |
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| 7 | module.exports = function (O, key, value, options) {
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| 8 | if (!options) options = {};
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| 9 | var simple = options.enumerable;
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| 10 | var name = options.name !== undefined ? options.name : key;
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| 11 | if (isCallable(value)) makeBuiltIn(value, name, options);
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| 12 | if (options.global) {
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| 13 | if (simple) O[key] = value;
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| 14 | else defineGlobalProperty(key, value);
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| 15 | } else {
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| 16 | try {
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| 17 | if (!options.unsafe) delete O[key];
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| 18 | else if (O[key]) simple = true;
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| 19 | } catch (error) { }
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| 20 | if (simple) O[key] = value;
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| 21 | else definePropertyModule.f(O, key, {
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| 22 | value: value,
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| 23 | enumerable: false,
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| 24 | configurable: !options.nonConfigurable,
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| 25 | writable: !options.nonWritable
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| 26 | });
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| 27 | } return O;
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| 28 | };
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