├── .gitignore
├── .babelrc
├── webpack.config.js
├── LICENSE
├── package.json
├── src
    ├── __tests__
    │   └── plugin.spec.js
    └── plugin.js
├── README.md
└── dist
    └── vuex-undo-redo.min.js


/.gitignore:
--------------------------------------------------------------------------------
1 | node_modules
2 | .idea
3 | 


--------------------------------------------------------------------------------
/.babelrc:
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 1 | {
 2 |   "presets": [
 3 |     ["env", { "modules": false }]
 4 |   ],
 5 |   "env": {
 6 |     "test": {
 7 |       "presets": [
 8 |         ["env", { "targets": { "node": "current" }}]
 9 |       ]
10 |     }
11 |   }
12 | }
13 | 


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/webpack.config.js:
--------------------------------------------------------------------------------
 1 | const webpack = require('webpack');
 2 | const merge = require('webpack-merge');
 3 | const path = require('path');
 4 | 
 5 | module.exports =  {
 6 |   entry: path.resolve(__dirname + '/src/plugin.js'),
 7 |   output: {
 8 |     path: path.resolve(__dirname + '/dist/'),
 9 |     filename: 'vuex-undo-redo.min.js',
10 |     libraryTarget: 'window',
11 |     library: 'VuexUndoRedo',
12 |   },
13 |   module: {
14 |     loaders: [
15 |       {
16 |         test: /\.js$/,
17 |         loader: 'babel-loader',
18 |         include: __dirname,
19 |         exclude: /node_modules/,
20 |         options: {
21 |           presets: ["babel-preset-env"],
22 |           plugins: ["transform-runtime"],
23 |         }
24 |       }
25 |     ]
26 |   },
27 |   plugins: [
28 |     new webpack.optimize.UglifyJsPlugin( {
29 |       minimize : true,
30 |       sourceMap : false,
31 |       mangle: true,
32 |       compress: {
33 |         warnings: false
34 |       }
35 |     } )
36 |   ]
37 | };
38 | 


--------------------------------------------------------------------------------
/LICENSE:
--------------------------------------------------------------------------------
 1 | MIT License
 2 | 
 3 | Copyright (c) 2019 Anthony Gore
 4 | 
 5 | Permission is hereby granted, free of charge, to any person obtaining a copy
 6 | of this software and associated documentation files (the "Software"), to deal
 7 | in the Software without restriction, including without limitation the rights
 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 9 | copies of the Software, and to permit persons to whom the Software is
10 | furnished to do so, subject to the following conditions:
11 | 
12 | The above copyright notice and this permission notice shall be included in all
13 | copies or substantial portions of the Software.
14 | 
15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 | SOFTWARE.
22 | 


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/package.json:
--------------------------------------------------------------------------------
 1 | {
 2 |   "name": "vuex-undo-redo",
 3 |   "version": "1.1.4",
 4 |   "description": "A Vue.js plugin to undo/redo mutations",
 5 |   "main": "src/plugin.js",
 6 |   "scripts": {
 7 |     "build": "rimraf ./dist && webpack --config ./webpack.config.js",
 8 |     "test": "jest"
 9 |   },
10 |   "author": "Anthony Gore",
11 |   "license": "MIT",
12 |   "repository": {
13 |     "type": "git",
14 |     "url": "git+https://github.com/anthonygore/vuex-undo-redo"
15 |   },
16 |   "devDependencies": {
17 |     "@vue/test-utils": "^1.0.0-beta.25",
18 |     "babel-core": "^6.10.4",
19 |     "babel-jest": "^23.6.0",
20 |     "babel-loader": "^7.1.2",
21 |     "babel-plugin-transform-runtime": "^6.9.0",
22 |     "babel-preset-env": "^1.6.1",
23 |     "babel-runtime": "^6.9.2",
24 |     "jest": "^23.6.0",
25 |     "rimraf": "^2.6.1",
26 |     "vue": "^2.5.17",
27 |     "vue-jest": "^3.0.0",
28 |     "vue-template-compiler": "^2.5.17",
29 |     "vuex": "^3.0.1",
30 |     "webpack": "^3.8.1",
31 |     "webpack-merge": "^4.1.0"
32 |   },
33 |   "jest": {
34 |     "moduleFileExtensions": [
35 |       "js",
36 |       "json",
37 |       "vue"
38 |     ],
39 |     "transform": {
40 |       ".*\\.(vue)$": "vue-jest",
41 |       "^.+\\.js$": "<rootDir>/node_modules/babel-jest"
42 |     }
43 |   },
44 |   "dependencies": {}
45 | }
46 | 


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/src/__tests__/plugin.spec.js:
--------------------------------------------------------------------------------
 1 | import { createLocalVue, shallowMount } from '@vue/test-utils';
 2 | import Vuex from "vuex";
 3 | import plugin from '../plugin';
 4 | 
 5 | describe('plugin', () => {
 6 |   it('should throw error if installed before new Vuex.Store is called', () => {
 7 |     const localVue = createLocalVue();
 8 |     expect(() => {
 9 |       localVue.use(plugin);
10 |     }).toThrow();
11 |   });
12 |   it('should not throw error if installed after new Vuex.Store is called', () => {
13 |     const localVue = createLocalVue();
14 |     expect(() => {
15 |       localVue.use(Vuex);
16 |       new Vuex.Store({});
17 |       localVue.use(plugin);
18 |     }).not.toThrow();
19 |   });
20 |   it('should undo/redo data property', done => {
21 |     const localVue = createLocalVue();
22 |     localVue.use(Vuex);
23 |     const storeConfig = {
24 |       state: {
25 |         myVal: 0
26 |       },
27 |       mutations: {
28 |         inc(state) {
29 |           state.myVal++;
30 |         },
31 |         emptyState() {
32 |           this.replaceState({ myVal: 0 });
33 |         }
34 |       }
35 |     };
36 |     let store = new Vuex.Store(storeConfig);
37 |     localVue.use(plugin);
38 |     let component = {
39 |       template: "<div></div>",
40 |       methods: {
41 |         inc() {
42 |           this.$store.commit("inc");
43 |         }
44 |       },
45 |       created() {
46 |         expect(this.$store.state.myVal).toBe(0);
47 |         this.inc();
48 |         expect(this.$store.state.myVal).toBe(1);
49 |         this.undo();
50 |         expect(this.$store.state.myVal).toBe(0);
51 |         this.redo();
52 |         expect(this.$store.state.myVal).toBe(1);
53 |         done();
54 |       }
55 |     };
56 |     shallowMount(component, {
57 |       localVue,
58 |       store
59 |     });
60 |   });
61 | });
62 | 


--------------------------------------------------------------------------------
/src/plugin.js:
--------------------------------------------------------------------------------
 1 | const EMPTY_STATE = 'emptyState';
 2 | 
 3 | module.exports = {
 4 |   install(Vue, options = {}) {
 5 |     if (!Vue._installedPlugins.find(plugin => plugin.Store)) {
 6 |       throw new Error("VuexUndoRedo plugin must be installed after the Vuex plugin.")
 7 |     }
 8 |     Vue.mixin({
 9 |       data() {
10 |         return {
11 |           done: [],
12 |           undone: [],
13 |           newMutation: true,
14 |           ignoreMutations: options.ignoreMutations|| []
15 |         };
16 |       },
17 |       created() {
18 |         if (this.$store) {
19 |           this.$store.subscribe(mutation => {
20 |             if (mutation.type !== EMPTY_STATE && this.ignoreMutations.indexOf(mutation.type) === -1) {
21 |               this.done.push(mutation);
22 |             }
23 |             if (this.newMutation) {
24 |               this.undone = [];
25 |             }
26 |           });
27 |         }
28 |       },
29 |       computed: {
30 |         canRedo() {
31 |           return this.undone.length;
32 |         },
33 |         canUndo() {
34 |           return this.done.length;
35 |         }
36 |       },
37 |       methods: {
38 |         redo() {
39 |           let commit = this.undone.pop();
40 |           this.newMutation = false;
41 |           switch (typeof commit.payload) {
42 |             case 'object':
43 |               this.$store.commit(`${commit.type}`, Object.assign({}, commit.payload));
44 |               break;
45 |             default:
46 |               this.$store.commit(`${commit.type}`, commit.payload);
47 |           }
48 |           this.newMutation = true;
49 |         },
50 |         undo() {
51 |           this.undone.push(this.done.pop());
52 |           this.newMutation = false;
53 |           this.$store.commit(EMPTY_STATE);
54 |           this.done.forEach(mutation => {
55 |             switch (typeof mutation.payload) {
56 |               case 'object':
57 |                 this.$store.commit(`${mutation.type}`, Object.assign({}, mutation.payload));
58 |                 break;
59 |               default:
60 |                 this.$store.commit(`${mutation.type}`, mutation.payload);
61 |             }
62 |             this.done.pop();
63 |           });
64 |           this.newMutation = true;
65 |         }
66 |       }
67 |     });
68 |   },
69 | }
70 | 


--------------------------------------------------------------------------------
/README.md:
--------------------------------------------------------------------------------
 1 | # vuex-undo-redo
 2 | 
 3 | A Vue.js plugin that allows you to undo or redo a mutation.
 4 | 
 5 | > The building of this plugin is documented in the article *[Create A Vuex Undo/Redo For VueJS](https://vuejsdevelopers.com/2017/11/13/vue-js-vuex-undo-redo/)*
 6 | 
 7 | ## Live demos
 8 | 
 9 | [![Edit Vuex Undo/Redo](https://codesandbox.io/static/img/play-codesandbox.svg)](https://codesandbox.io/s/vjo3xlpyny)
10 | 
11 | There's also a demo in [this Codepen](https://codepen.io/anthonygore/pen/NwGmqJ). The source code for the demo is [here](https://github.com/anthonygore/vuex-undo-redo-example).
12 | 
13 | ## Installation
14 | 
15 | ```js
16 | npm i --save-dev vuex-undo-redo
17 | ```
18 | 
19 | ### Browser
20 | 
21 | ```html
22 | <script type="text/javascript" src="node_modules/vuex-undo-redo/dist/vuex-undo-redo.min.js"></script>
23 | ```
24 | 
25 | ### Module
26 | 
27 | ```js
28 | import VuexUndoRedo from 'vuex-undo-redo';
29 | ```
30 | 
31 | ## Usage
32 | 
33 | Since it's a plugin, use it like:
34 | 
35 | ```js
36 | Vue.use(VuexUndoRedo);
37 | ```
38 | 
39 | You must, of course, have the Vuex plugin installed as well, and it must be installed before this plugin. You must also create a Vuex store which must implement a mutation `emptyState` which should revert the store back to the initial state e.g.:
40 | 
41 | ```js
42 | new Vuex.Store({
43 |   state: {
44 |     myVal: null
45 |   },
46 |   mutations: {
47 |     emptyState() {
48 |       this.replaceState({ myval: null });       
49 |     }
50 |   }
51 | });
52 | ```
53 | 
54 | ### Ignoring mutations
55 | 
56 | Occasionally, you may want to perform mutations without including them in the undo history (say you are working on an image editor and the user toggles grid visibility - you probably do not want this in undo history). The plugin has an `ignoredMutations` setting to leave these mutations out of the history:
57 | 
58 | ```js
59 | Vue.use(VuexUndoRedo, { ignoreMutations: [ 'toggleGrid' ]});
60 | ```
61 | 
62 | It's worth noting that this only means the mutations will not be recorded in the undo history. You must still manually manage your state object in the `emptyState` mutation:
63 | 
64 | ```js
65 | emptyState(state) {
66 |   this.replaceState({ myval: null, showGrid: state.showGrid });       
67 | }
68 | ```
69 | 
70 | ## API
71 | 
72 | ### Options
73 | 
74 | `ignoredMutations` an array of mutations that the plugin will ignore
75 | 
76 | ### Computed properties
77 | 
78 | `canUndo` a boolean which tells you if the state is undo-able
79 | 
80 | `canRedo` a boolean which tells you if the state is redo-able
81 | 
82 | ### Methods
83 | 
84 | `undo` undoes the last mutation
85 | 
86 | `redo` redoes the last mutation
87 | 


--------------------------------------------------------------------------------
/dist/vuex-undo-redo.min.js:
--------------------------------------------------------------------------------
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