@feugene/mu
Version:
Helpful TS utilities without dependencies
39 lines • 1.17 kB
JavaScript
/** Used for built-in method references. */
import baseGetTag from '../internal/base/baseGetTag.mjs';
const objectProto = Object.prototype;
/** Used to check objects for own properties. */
const hasOwnProperty = objectProto.hasOwnProperty;
/** Built-in value references. */
const propertyIsEnumerable = objectProto.propertyIsEnumerable;
/** `Object#toString` result references. */
const argumentsTag = '[object Arguments]';
/**
* The base implementation of `isArguments`.
*
* @private
*/
const baseIsArguments = (value) => {
return value !== null && typeof value === 'object' && baseGetTag(value) === argumentsTag;
};
/**
* Checks if `value` is likely an `arguments` object.
*
* @example
*
* isArguments(function() { return arguments; }());
* // => true
*
* isArguments([1, 2, 3]);
* // => false
*/
export default baseIsArguments((function () {
return arguments;
})())
? baseIsArguments
: function (value) {
return (value !== null &&
typeof value === 'object' &&
hasOwnProperty.call(value, 'callee') &&
!propertyIsEnumerable.call(value, 'callee'));
};
//# sourceMappingURL=isArguments.mjs.map