order-changed
Check if the order between two arrays has changed
Installation
$ component install component/order-changed
Examples
var assert = require('assert');
var changed = require('./');
var a = [];
var b = [];
assert(false == changed(a, b), 'empty');
var a = ['foo', 'bar', 'baz'];
var b = ['foo', 'baz'];
assert(false == changed(a, b), 'removing one');
var a = ['foo', 'bar', 'baz'];
var b = ['foo', 'bar', 'baz', 'raz'];
assert(false == changed(a, b), 'adding one');
var a = ['foo', 'bar', 'baz'];
var b = ['foo'];
assert(false == changed(a, b), 'removing two');
var a = ['foo', 'bar', 'baz'];
var b = [];
assert(false == changed(a, b), 'removing all');
var a = ['foo', 'bar', 'baz'];
var b = ['hey', 'foo', 'bar', 'baz'];
assert(true == changed(a, b), 'prepend');
var a = ['foo', 'bar', 'baz'];
var b = ['bar', 'foo', 'baz'];
assert(true == changed(a, b), 're-order');
License
MIT