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- Form SDK implementation - Basic Forms - Dynamics Forms - Basic Blocks + Data Model Block - Form Compilation - Turbo integration
61 lines
1.7 KiB
JavaScript
61 lines
1.7 KiB
JavaScript
/**
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* MicroEvent - to make any js object an event emitter
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*
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* - pure javascript - server compatible, browser compatible
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* - dont rely on the browser doms
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* - super simple - you get it immediatly, no mistery, no magic involved
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*
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* @author Jerome Etienne (https://github.com/jeromeetienne)
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*/
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/**
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* Execute callback for each event in space separated list of event names
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*
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*/
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function forEvents(events, callback) {
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events.split(/\s+/).forEach((event) => {
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callback(event);
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});
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}
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export default class MicroEvent {
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constructor() {
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this._events = {};
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}
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on(events, fct) {
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forEvents(events, (event) => {
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const event_array = this._events[event] || [];
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event_array.push(fct);
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this._events[event] = event_array;
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});
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}
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off(events, fct) {
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var n = arguments.length;
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if (n === 0) {
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this._events = {};
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return;
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}
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forEvents(events, (event) => {
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if (n === 1) {
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delete this._events[event];
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return;
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}
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const event_array = this._events[event];
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if (event_array === undefined)
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return;
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event_array.splice(event_array.indexOf(fct), 1);
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this._events[event] = event_array;
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});
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}
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trigger(events, ...args) {
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var self = this;
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forEvents(events, (event) => {
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const event_array = self._events[event];
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if (event_array === undefined)
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return;
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event_array.forEach(fct => {
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fct.apply(self, args);
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});
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});
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}
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}
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;
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//# sourceMappingURL=microevent.js.map
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