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35 lines
1.5 KiB
35 lines
1.5 KiB
4 years ago
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var global = require('../internals/global');
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var createNonEnumerableProperty = require('../internals/create-non-enumerable-property');
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var has = require('../internals/has');
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var setGlobal = require('../internals/set-global');
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var inspectSource = require('../internals/inspect-source');
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var InternalStateModule = require('../internals/internal-state');
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var getInternalState = InternalStateModule.get;
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var enforceInternalState = InternalStateModule.enforce;
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var TEMPLATE = String(String).split('String');
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(module.exports = function (O, key, value, options) {
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var unsafe = options ? !!options.unsafe : false;
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var simple = options ? !!options.enumerable : false;
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var noTargetGet = options ? !!options.noTargetGet : false;
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if (typeof value == 'function') {
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if (typeof key == 'string' && !has(value, 'name')) createNonEnumerableProperty(value, 'name', key);
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enforceInternalState(value).source = TEMPLATE.join(typeof key == 'string' ? key : '');
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}
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if (O === global) {
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if (simple) O[key] = value;
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else setGlobal(key, value);
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return;
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} else if (!unsafe) {
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delete O[key];
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} else if (!noTargetGet && O[key]) {
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simple = true;
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}
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if (simple) O[key] = value;
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else createNonEnumerableProperty(O, key, value);
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// add fake Function#toString for correct work wrapped methods / constructors with methods like LoDash isNative
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})(Function.prototype, 'toString', function toString() {
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return typeof this == 'function' && getInternalState(this).source || inspectSource(this);
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});
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