21 lines
606 B
Plaintext
21 lines
606 B
Plaintext
import Symbol from './_Symbol.js';
|
|
import isArguments from './isArguments.js';
|
|
import isArray from './isArray.js';
|
|
|
|
/** Built-in value references. */
|
|
var spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined;
|
|
|
|
/**
|
|
* Checks if `value` is a flattenable `arguments` object or array.
|
|
*
|
|
* @private
|
|
* @param {*} value The value to check.
|
|
* @returns {boolean} Returns `true` if `value` is flattenable, else `false`.
|
|
*/
|
|
function isFlattenable(value) {
|
|
return isArray(value) || isArguments(value) ||
|
|
!!(spreadableSymbol && value && value[spreadableSymbol]);
|
|
}
|
|
|
|
export default isFlattenable;
|