22 lines
777 B
JavaScript
22 lines
777 B
JavaScript
'use strict';
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Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
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const functionToString = Function.prototype.toString;
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const REGEXP_SYNTAX_CHARS = /[\\^$.*+?()[\]{}|]/g;
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const IS_NATIVE_FUNCTION_REGEXP = RegExp(`^${functionToString
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.call(Object.prototype.hasOwnProperty)
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.replace(REGEXP_SYNTAX_CHARS, '\\$&')
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.replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?')}$`);
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function isNative(value) {
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if (typeof value !== 'function') {
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return false;
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}
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if (globalThis?.['__core-js_shared__'] != null) {
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throw new Error('Unsupported core-js use. Try https://npms.io/search?q=ponyfill.');
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}
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return IS_NATIVE_FUNCTION_REGEXP.test(functionToString.call(value));
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}
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exports.isNative = isNative;
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