mirror of
https://github.com/taixingyiji/openit.git
synced 2025-11-04 14:32:14 +00:00
21 lines
608 B
JavaScript
21 lines
608 B
JavaScript
var Symbol = require('./_Symbol'),
|
|
isArguments = require('./isArguments'),
|
|
isArray = require('./isArray');
|
|
|
|
/** 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]);
|
|
}
|
|
|
|
module.exports = isFlattenable;
|