Sha256: 88d9e3b846097b973de5ffce1e2fc9d154508ebba0633b86633061760291a8b4
Contents?: true
Size: 900 Bytes
Versions: 10
Compression:
Stored size: 900 Bytes
Contents
/*!
* arr-diff <https://github.com/jonschlinkert/arr-diff>
*
* Copyright (c) 2014 Jon Schlinkert, contributors.
* Licensed under the MIT License
*/
'use strict';
var slice = require('array-slice');
/**
* Expose `diff`
*/
module.exports = diff;
/**
* Return the difference between the first array and
* additional arrays.
*
* ```js
* var diff = require('{%= name %}');
*
* var a = ['a', 'b', 'c', 'd'];
* var b = ['b', 'c'];
*
* console.log(diff(a, b))
* //=> ['a', 'd']
* ```
*
* @param {Array} `a`
* @param {Array} `b`
* @return {Array}
* @api public
*/
function diff(a, b, c) {
var len = a.length;
var arr = [];
var rest;
if (!b) {
return a;
}
if (!c) {
rest = b;
} else {
rest = [].concat.apply([], slice(arguments, 1));
}
while (len--) {
if (rest.indexOf(a[len]) === -1) {
arr.unshift(a[len]);
}
}
return arr;
}
Version data entries
10 entries across 10 versions & 1 rubygems