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feathers-offline-realtime

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Offline-first realtime replication with optimistic updates.

291 lines (290 loc) 8.17 kB
<!doctype html> <html lang="en"> <head> <title>Code coverage report for src/commons/base-replicator.js</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/commons</a> base-replicator.js </h1> <div class='clearfix'> <div class='fl pad1y space-right2'> <span class="strong">100% </span> <span class="quiet">Statements</span> <span class='fraction'>35/35</span> </div> <div class='fl pad1y space-right2'> <span class="strong">90% </span> <span class="quiet">Branches</span> <span class='fraction'>18/20</span> </div> <div class='fl pad1y space-right2'> <span class="strong">100% </span> <span 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cline-neutral">&nbsp;</span> <span class="cline-any cline-neutral">&nbsp;</span> <span class="cline-any cline-yes">56x</span> <span class="cline-any cline-neutral">&nbsp;</span> <span class="cline-any cline-neutral">&nbsp;</span> <span class="cline-any cline-neutral">&nbsp;</span> <span class="cline-any cline-neutral">&nbsp;</span></td><td class="text"><pre class="prettyprint lang-js">&nbsp; import snapshot from 'feathers-offline-snapshot'; import { genUuid } from './utils'; &nbsp; import makeDebug from 'debug'; const debug = makeDebug('base-replicator'); &nbsp; export default class BaseReplicator { constructor (service, options = <span class="branch-1 cbranch-no" title="branch not covered" >{}) {</span> debug('constructor entered'); &nbsp; // Higher order class defines: this.engine, this.store, this.changeSort, this.on &nbsp; this._service = service; this._query = options.query || {}; this._publication = options.publication; &nbsp; this.genShortUuid = true; } &nbsp; get connected () { return this.engine.listening; } &nbsp; connect () { this.engine.removeListeners(); &nbsp; return snapshot(this._service, this._query) .then(records =&gt; { records = this._publication ? records.filter(this._publication) : records; records = t</span>his.engine.sorter ? <span class="branch-0 cbranch-no" title="branch not covered" >records.sort(this.engine.sorter) : records; &nbsp; this.engine.snapshot(records); this.engine.addListeners(); }); } &nbsp; disconnect () { this.engine.removeListeners(); } &nbsp; useShortUuid (ifShortUuid) { this.genShortUuid = !!ifShortUuid; } &nbsp; getUuid () { return genUuid(this.genShortUuid); } &nbsp; // array.sort(Realtime.sort('fieldName')); static sort (prop) { return (a, b) =&gt; a[prop] &gt; b[prop] ? 1 : (a[prop] &lt; b[prop] ? -1 : 0); } &nbsp; // array.sort(Realtime.multiSort({ field1: 1, field2: -1 })) static multiSort (order) { const props = Object.keys(order); const len = props.length; &nbsp; return (a, b) =&gt; { let result = 0; let i = 0; &nbsp; while (result === 0 &amp;&amp; i &lt; len) { const prop = props[i]; const sense = order[prop]; &nbsp; result = a[prop] &gt; b[prop] ? 1 * sense : (a[prop] &lt; b[prop] ? -1 * sense : 0); i++; } &nbsp; return result; }; } } &nbsp;</pre></td></tr> </table></pre> <div class='push'></div><!-- for sticky footer --> </div><!-- /wrapper --> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="https://istanbul.js.org/" target="_blank">istanbul</a> at Sun Jul 09 2017 16:17:53 GMT-0400 (EDT) </div> </div> <script src="../../prettify.js"></script> <script> window.onload = function () { if (typeof prettyPrint === 'function') { prettyPrint(); } }; </script> <script src="../../sorter.js"></script> </body> </html>