[6a3a178] | 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;
|
---|