1 | var baseRest = require('./_baseRest'),
|
---|
2 | createWrap = require('./_createWrap'),
|
---|
3 | getHolder = require('./_getHolder'),
|
---|
4 | replaceHolders = require('./_replaceHolders');
|
---|
5 |
|
---|
6 | /** Used to compose bitmasks for function metadata. */
|
---|
7 | var WRAP_PARTIAL_RIGHT_FLAG = 64;
|
---|
8 |
|
---|
9 | /**
|
---|
10 | * This method is like `_.partial` except that partially applied arguments
|
---|
11 | * are appended to the arguments it receives.
|
---|
12 | *
|
---|
13 | * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic
|
---|
14 | * builds, may be used as a placeholder for partially applied arguments.
|
---|
15 | *
|
---|
16 | * **Note:** This method doesn't set the "length" property of partially
|
---|
17 | * applied functions.
|
---|
18 | *
|
---|
19 | * @static
|
---|
20 | * @memberOf _
|
---|
21 | * @since 1.0.0
|
---|
22 | * @category Function
|
---|
23 | * @param {Function} func The function to partially apply arguments to.
|
---|
24 | * @param {...*} [partials] The arguments to be partially applied.
|
---|
25 | * @returns {Function} Returns the new partially applied function.
|
---|
26 | * @example
|
---|
27 | *
|
---|
28 | * function greet(greeting, name) {
|
---|
29 | * return greeting + ' ' + name;
|
---|
30 | * }
|
---|
31 | *
|
---|
32 | * var greetFred = _.partialRight(greet, 'fred');
|
---|
33 | * greetFred('hi');
|
---|
34 | * // => 'hi fred'
|
---|
35 | *
|
---|
36 | * // Partially applied with placeholders.
|
---|
37 | * var sayHelloTo = _.partialRight(greet, 'hello', _);
|
---|
38 | * sayHelloTo('fred');
|
---|
39 | * // => 'hello fred'
|
---|
40 | */
|
---|
41 | var partialRight = baseRest(function(func, partials) {
|
---|
42 | var holders = replaceHolders(partials, getHolder(partialRight));
|
---|
43 | return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);
|
---|
44 | });
|
---|
45 |
|
---|
46 | // Assign default placeholders.
|
---|
47 | partialRight.placeholder = {};
|
---|
48 |
|
---|
49 | module.exports = partialRight;
|
---|