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29 lines
979 B
29 lines
979 B
4 weeks ago
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'use strict';
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var isCallable = require('../internals/is-callable');
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var definePropertyModule = require('../internals/object-define-property');
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var makeBuiltIn = require('../internals/make-built-in');
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var defineGlobalProperty = require('../internals/define-global-property');
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module.exports = function (O, key, value, options) {
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if (!options) options = {};
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var simple = options.enumerable;
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var name = options.name !== undefined ? options.name : key;
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if (isCallable(value)) makeBuiltIn(value, name, options);
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if (options.global) {
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if (simple) O[key] = value;
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else defineGlobalProperty(key, value);
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} else {
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try {
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if (!options.unsafe) delete O[key];
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else if (O[key]) simple = true;
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} catch (error) { /* empty */ }
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if (simple) O[key] = value;
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else definePropertyModule.f(O, key, {
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value: value,
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enumerable: false,
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configurable: !options.nonConfigurable,
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writable: !options.nonWritable
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});
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} return O;
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};
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