[d565449] | 1 | import apply from './_apply.js';
|
---|
| 2 | import arrayMap from './_arrayMap.js';
|
---|
| 3 | import baseFlatten from './_baseFlatten.js';
|
---|
| 4 | import baseIteratee from './_baseIteratee.js';
|
---|
| 5 | import baseRest from './_baseRest.js';
|
---|
| 6 | import baseUnary from './_baseUnary.js';
|
---|
| 7 | import castRest from './_castRest.js';
|
---|
| 8 | import isArray from './isArray.js';
|
---|
| 9 |
|
---|
| 10 | /* Built-in method references for those with the same name as other `lodash` methods. */
|
---|
| 11 | var nativeMin = Math.min;
|
---|
| 12 |
|
---|
| 13 | /**
|
---|
| 14 | * Creates a function that invokes `func` with its arguments transformed.
|
---|
| 15 | *
|
---|
| 16 | * @static
|
---|
| 17 | * @since 4.0.0
|
---|
| 18 | * @memberOf _
|
---|
| 19 | * @category Function
|
---|
| 20 | * @param {Function} func The function to wrap.
|
---|
| 21 | * @param {...(Function|Function[])} [transforms=[_.identity]]
|
---|
| 22 | * The argument transforms.
|
---|
| 23 | * @returns {Function} Returns the new function.
|
---|
| 24 | * @example
|
---|
| 25 | *
|
---|
| 26 | * function doubled(n) {
|
---|
| 27 | * return n * 2;
|
---|
| 28 | * }
|
---|
| 29 | *
|
---|
| 30 | * function square(n) {
|
---|
| 31 | * return n * n;
|
---|
| 32 | * }
|
---|
| 33 | *
|
---|
| 34 | * var func = _.overArgs(function(x, y) {
|
---|
| 35 | * return [x, y];
|
---|
| 36 | * }, [square, doubled]);
|
---|
| 37 | *
|
---|
| 38 | * func(9, 3);
|
---|
| 39 | * // => [81, 6]
|
---|
| 40 | *
|
---|
| 41 | * func(10, 5);
|
---|
| 42 | * // => [100, 10]
|
---|
| 43 | */
|
---|
| 44 | var overArgs = castRest(function(func, transforms) {
|
---|
| 45 | transforms = (transforms.length == 1 && isArray(transforms[0]))
|
---|
| 46 | ? arrayMap(transforms[0], baseUnary(baseIteratee))
|
---|
| 47 | : arrayMap(baseFlatten(transforms, 1), baseUnary(baseIteratee));
|
---|
| 48 |
|
---|
| 49 | var funcsLength = transforms.length;
|
---|
| 50 | return baseRest(function(args) {
|
---|
| 51 | var index = -1,
|
---|
| 52 | length = nativeMin(args.length, funcsLength);
|
---|
| 53 |
|
---|
| 54 | while (++index < length) {
|
---|
| 55 | args[index] = transforms[index].call(this, args[index]);
|
---|
| 56 | }
|
---|
| 57 | return apply(func, this, args);
|
---|
| 58 | });
|
---|
| 59 | });
|
---|
| 60 |
|
---|
| 61 | export default overArgs;
|
---|