undo-redo-vuex

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A Vuex plugin for module namespaced undo and redo functionality. This plugin takes inspiration from and extends the work of [vuex-undo-redo](https://github.com/anthonygore/vuex-undo-redo).

github.com/andrewbeng89/undo-redo-vuex

andrewbeng89/undo-redo-vuex

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<!doctype html> <html lang="en"> <head> <title>Code coverage report for src/undo.ts</title> <meta charset="utf-8" /> <link rel="stylesheet" href="../prettify.css" /> <link rel="stylesheet" href="../base.css" /> <meta name="viewport" content="width=device-width, initial-scale=1"> <style type='text/css'> .coverage-summary .sorter { background-image: url(../sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1> <a href="../index.html">All files</a> / <a href="index.html">src</a> undo.ts </h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 100% Statements 32/32 </div> <div class='fl pad1y space-right2'> 83.33% Branches 15/18 </div> <div class='fl pad1y space-right2'> 100% Functions 5/5 </div> <div class='fl pad1y space-right2'> 100% Lines 31/31 </div> </div> </div> <div class='status-line high'></div> <pre><table class="coverage"> <tr><td class="line-count quiet">1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109</td><td class="line-coverage quiet">5x 5x                           5x           15x 15x   15x             15x                         51x   15x   15x 36x   20x   16x 16x     16x   16x 16x     51x                   24x       15x   15x 15x 15x 15x 27x               27x 27x         15x 15x 15x           15x      </td><td class="text"><pre class="prettyprint lang-js">import { EMPTY_STATE } from "./constants"; import { getConfig, pipeActions, setConfig, updateCanUndoRedo } from "./utils-undo-redo";   /** * The Undo function - pushes the latest done mutation to the top of the undone * stack by popping the done stack and 'replays' all mutations in the done stack * * @module store/plugins/undoRedo:undo * @function */ export default ({ paths, store }: { paths: UndoRedoOptions[]; store: any; }) => async (namespace: string) => { const config = getConfig(paths)(namespace);   Eif (Object.keys(config).length) { /** * @var {Array} done - The updated done stack * @var {Array} commits - The list of mutations which are undone * NB: The reduceRight operation is used to identify the mutation(s) from the * top of the done stack to be undone */ const { done, commits } = config.done.reduceRight( ( { commits, done, proceed }: { commits: Array<Mutation> | []; done: Array<Mutation> | []; proceed: boolean; }, m: Mutation ) => { if (!commits.length) { // The "topmost" mutation from the done stack commits = [m]; // Do not find more mutations if the mutations does not belong to a group proceed = !!m.payload.actionGroup; } else if (!proceed) { // Unshift the mutation to the done stack done = [m, ...done]; } else { const lastUndone = commits[commits.length - 1]; const { actionGroup } = lastUndone.payload; // Unshift to commits if mutation belongs to the same actionGroup, // otherwise unshift to the done stack proceed = m.payload.actionGroup && m.payload.actionGroup === actionGroup; commits = [...(proceed ? [m] : []), ...commits]; done = [...(proceed ? [] : [m]), ...done]; }   return { done, commits, proceed }; }, { done: [], commits: [], proceed: true } );   // Check if there are any undo callback actions const undoCallbacks = commits.map(({ payload }: { payload: any }) => ({ action: payload.undoCallback ? `${namespace}${payload.undoCallback}` : "", payload })); await pipeActions(store)(undoCallbacks);   const undone = [...config.undone, ...commits]; config.newMutation = false; store.commit(`${namespace}${EMPTY_STATE}`); const redoCallbacks = done.map(async (mutation: Mutation) => { store.commit( mutation.type, Array.isArray(mutation.payload) ? [...mutation.payload] : mutation.payload.constructor(mutation.payload) );   // Check if there is an undo callback action const { redoCallback } = mutation.payload; return { action: redoCallback ? `${namespace}${redoCallback}` : "", payload: mutation.payload }; }); await pipeActions(store)(await Promise.all(redoCallbacks)); config.newMutation = true; setConfig(paths)(namespace, { ...config, done, undone });   updateCanUndoRedo({ paths, store })(namespace); } };  </pre></td></tr> </table></pre> <div class='push'></div> </div> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="https://istanbul.js.org/" target="_blank">istanbul</a> at Tue Aug 13 2019 14:19:58 GMT+0200 (Central European Summer Time) </div> </div> <script src="../prettify.js"></script> <script> window.onload = function () { if (typeof prettyPrint === 'function') { prettyPrint(); } }; </script> <script src="../sorter.js"></script> </body> </html>