Last change
on this file since 571e0df was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
initial commit
|
-
Property mode
set to
100644
|
File size:
1.1 KB
|
Rev | Line | |
---|
[6a3a178] | 1 | var apply = require('./_apply');
|
---|
| 2 |
|
---|
| 3 | /* Built-in method references for those with the same name as other `lodash` methods. */
|
---|
| 4 | var nativeMax = Math.max;
|
---|
| 5 |
|
---|
| 6 | /**
|
---|
| 7 | * A specialized version of `baseRest` which transforms the rest array.
|
---|
| 8 | *
|
---|
| 9 | * @private
|
---|
| 10 | * @param {Function} func The function to apply a rest parameter to.
|
---|
| 11 | * @param {number} [start=func.length-1] The start position of the rest parameter.
|
---|
| 12 | * @param {Function} transform The rest array transform.
|
---|
| 13 | * @returns {Function} Returns the new function.
|
---|
| 14 | */
|
---|
| 15 | function overRest(func, start, transform) {
|
---|
| 16 | start = nativeMax(start === undefined ? (func.length - 1) : start, 0);
|
---|
| 17 | return function() {
|
---|
| 18 | var args = arguments,
|
---|
| 19 | index = -1,
|
---|
| 20 | length = nativeMax(args.length - start, 0),
|
---|
| 21 | array = Array(length);
|
---|
| 22 |
|
---|
| 23 | while (++index < length) {
|
---|
| 24 | array[index] = args[start + index];
|
---|
| 25 | }
|
---|
| 26 | index = -1;
|
---|
| 27 | var otherArgs = Array(start + 1);
|
---|
| 28 | while (++index < start) {
|
---|
| 29 | otherArgs[index] = args[index];
|
---|
| 30 | }
|
---|
| 31 | otherArgs[start] = transform(array);
|
---|
| 32 | return apply(func, this, otherArgs);
|
---|
| 33 | };
|
---|
| 34 | }
|
---|
| 35 |
|
---|
| 36 | module.exports = overRest;
|
---|
Note:
See
TracBrowser
for help on using the repository browser.