blob: 4cc2c249ccb9419293311c595e9703658a0a37da [file] [log] [blame]
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;