Files
lodash/concat.js
John-David Dalton 2a3296111d Simplify concat.
2017-02-20 23:28:46 -08:00

31 lines
752 B
JavaScript

import baseFlatten from './.internal/baseFlatten.js'
import copyArray from './.internal/copyArray.js'
/**
* Creates a new array concatenating `array` with any additional arrays
* and/or values.
*
* @since 4.0.0
* @category Array
* @param {Array} array The array to concatenate.
* @param {...*} [values] The values to concatenate.
* @returns {Array} Returns the new concatenated array.
* @example
*
* const array = [1]
* const other = concat(array, 2, [3], [[4]])
*
* console.log(other)
* // => [1, 2, 3, [4]]
*
* console.log(array)
* // => [1]
*/
function concat(array, ...values) {
const result = Array.isArray(array) ? copyArray(array) : [array]
result.push(...baseFlatten(values, 1))
return result
}
export default concat