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Текущая директория: /opt/bitgo-express/node_modules/lodash
Просмотр файла: isNative.js
var baseIsNative = require('./_baseIsNative'),
isMaskable = require('./_isMaskable');
/**
* Checks if `value` is a pristine native function.
*
* **Note:** This method can't reliably detect native functions in the
* presence of the `core-js` package because `core-js` circumvents this kind
* of detection. Despite multiple requests, the `core-js` maintainer has made
* it clear: any attempt to fix the detection will be obstructed. As a result,
* we're left with little choice but to throw an error. Unfortunately, this
* also affects packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),
* which rely on `core-js`.
*
* @static
* @memberOf _
* @since 3.0.0
* @category Lang
* @param {*} value The value to check.
* @returns {boolean} Returns `true` if `value` is a native function,
* else `false`.
* @example
*
* _.isNative(Array.prototype.push);
* // => true
*
* _.isNative(_);
* // => false
*/
function isNative(value) {
if (isMaskable(value)) {
throw new Error('This method is not supported with `core-js`. Try https://github.com/es-shims.');
}
return baseIsNative(value);
}
module.exports = isNative;
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