diff options
Diffstat (limited to 'node_modules/lodash/_overRest.js')
-rw-r--r-- | node_modules/lodash/_overRest.js | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/node_modules/lodash/_overRest.js b/node_modules/lodash/_overRest.js new file mode 100644 index 0000000..c7cdef3 --- /dev/null +++ b/node_modules/lodash/_overRest.js @@ -0,0 +1,36 @@ +var apply = require('./_apply'); + +/* Built-in method references for those with the same name as other `lodash` methods. */ +var nativeMax = Math.max; + +/** + * A specialized version of `baseRest` which transforms the rest array. + * + * @private + * @param {Function} func The function to apply a rest parameter to. + * @param {number} [start=func.length-1] The start position of the rest parameter. + * @param {Function} transform The rest array transform. + * @returns {Function} Returns the new function. + */ +function overRest(func, start, transform) { + start = nativeMax(start === undefined ? (func.length - 1) : start, 0); + return function() { + var args = arguments, + index = -1, + length = nativeMax(args.length - start, 0), + array = Array(length); + + while (++index < length) { + array[index] = args[start + index]; + } + index = -1; + var otherArgs = Array(start + 1); + while (++index < start) { + otherArgs[index] = args[index]; + } + otherArgs[start] = transform(array); + return apply(func, this, otherArgs); + }; +} + +module.exports = overRest; |