18 lines
711 B
JavaScript
18 lines
711 B
JavaScript
var DESCRIPTORS = require('../internals/descriptors');
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var hasOwn = require('../internals/has-own-property');
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var FunctionPrototype = Function.prototype;
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// eslint-disable-next-line es/no-object-getownpropertydescriptor -- safe
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var getDescriptor = DESCRIPTORS && Object.getOwnPropertyDescriptor;
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var EXISTS = hasOwn(FunctionPrototype, 'name');
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// additional protection from minified / mangled / dropped function names
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var PROPER = EXISTS && (function something() { /* empty */ }).name === 'something';
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var CONFIGURABLE = EXISTS && (!DESCRIPTORS || (DESCRIPTORS && getDescriptor(FunctionPrototype, 'name').configurable));
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module.exports = {
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EXISTS: EXISTS,
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PROPER: PROPER,
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CONFIGURABLE: CONFIGURABLE
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};
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