44 lines
953 B
JavaScript
44 lines
953 B
JavaScript
'use strict'
|
|
var testValue = require('test-value')
|
|
|
|
/**
|
|
* @module reduce-without
|
|
* @example
|
|
* const without = require('reduce-without')
|
|
*/
|
|
module.exports = without
|
|
|
|
/**
|
|
* Returns a new array with the same content as the input minus the specified values.
|
|
*
|
|
* @param {any | any[]} - one, or more [test-value](https://github.com/75lb/test-value) queries
|
|
* @returns {Array}
|
|
* @example
|
|
* > [ 1, 2, 3 ].reduce(without(2))
|
|
* [ 1, 3 ]
|
|
*
|
|
* > [ 1, 2, 3 ].reduce(without([ 2, 3 ]))
|
|
* [ 1 ]
|
|
*
|
|
* > data = [
|
|
* { name: "Dana", age: 30 },
|
|
* { name: "Yana", age: 20 },
|
|
* { name: "Zhana", age: 10 }
|
|
* ]
|
|
* > data.reduce(without({ name: /ana/ }))
|
|
* []
|
|
*
|
|
* @alias module:reduce-without
|
|
*/
|
|
function without (toRemove) {
|
|
return function (prev, curr) {
|
|
if (!Array.isArray(prev)) {
|
|
prev = !testValue(prev, toRemove)
|
|
? [ prev ]
|
|
: []
|
|
}
|
|
if (!testValue(curr, toRemove)) prev.push(curr)
|
|
return prev
|
|
}
|
|
}
|