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Diffstat (limited to 'node_modules/lodash/concat.js')
-rw-r--r-- | node_modules/lodash/concat.js | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/node_modules/lodash/concat.js b/node_modules/lodash/concat.js new file mode 100644 index 0000000..1da48a4 --- /dev/null +++ b/node_modules/lodash/concat.js @@ -0,0 +1,43 @@ +var arrayPush = require('./_arrayPush'), + baseFlatten = require('./_baseFlatten'), + copyArray = require('./_copyArray'), + isArray = require('./isArray'); + +/** + * Creates a new array concatenating `array` with any additional arrays + * and/or values. + * + * @static + * @memberOf _ + * @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 + * + * var array = [1]; + * var other = _.concat(array, 2, [3], [[4]]); + * + * console.log(other); + * // => [1, 2, 3, [4]] + * + * console.log(array); + * // => [1] + */ +function concat() { + var length = arguments.length; + if (!length) { + return []; + } + var args = Array(length - 1), + array = arguments[0], + index = length; + + while (index--) { + args[index - 1] = arguments[index]; + } + return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1)); +} + +module.exports = concat; |