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https://github.com/ENSL/ensl_gathers.git
synced 2024-12-11 13:21:40 +00:00
55 lines
1.1 KiB
JavaScript
55 lines
1.1 KiB
JavaScript
"use strict"
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let Gather = require("./gather");
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let gatherCallbacks = {};
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// Register initial callback to reset gather when state is `done`
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gatherCallbacks['onDone'] = [function () {
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rotateGather();
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}];
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let executeCallbacks = (context, type) => {
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let cbs = gatherCallbacks[type];
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if (!cbs) return;
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cbs.forEach(function (cb) {
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cb.call(context);
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});
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};
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let newGather = () => {
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return SingletonClass.current = Gather({
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onEvent: function () {
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executeCallbacks(this, 'onEvent')
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},
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onDone: function () {
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executeCallbacks(this, 'onDone')
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}
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});
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};
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let rotateGather = () => {
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if (SingletonClass.current) SingletonClass.previous = SingletonClass.current;
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return newGather();
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}
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let SingletonClass = {
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registerCallback: function (type, method) {
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if (gatherCallbacks[type]) {
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gatherCallbacks[type].push(method);
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} else {
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gatherCallbacks[type] = [method];
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}
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},
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restart: function () {
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this.previousGather = undefined;
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this.current = undefined;
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return newGather();
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},
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reset: function () {
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return newGather();
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},
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current: Gather(),
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previous: undefined
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};
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module.exports = SingletonClass;
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