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78 lines
2.0 KiB
78 lines
2.0 KiB
// TODO: This file was created by bulk-decaffeinate.
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// Sanity-check the conversion and remove this comment.
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/*
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* decaffeinate suggestions:
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* DS101: Remove unnecessary use of Array.from
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* DS102: Remove unnecessary code created because of implicit returns
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* DS104: Avoid inline assignments
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* DS207: Consider shorter variations of null checks
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* DS208: Avoid top-level this
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* Full docs: https://github.com/decaffeinate/decaffeinate/blob/main/docs/suggestions.md
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*/
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class Events {
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on(event, callback) {
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if (event.indexOf(" ") >= 0) {
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for (var name of Array.from(event.split(" "))) {
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this.on(name, callback);
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}
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} else {
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let base;
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((base =
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this._callbacks != null ? this._callbacks : (this._callbacks = {}))[
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event
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] != null
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? base[event]
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: (base[event] = [])
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).push(callback);
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}
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return this;
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}
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off(event, callback) {
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let callbacks, index;
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if (event.indexOf(" ") >= 0) {
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for (var name of Array.from(event.split(" "))) {
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this.off(name, callback);
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}
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} else if (
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(callbacks =
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this._callbacks != null ? this._callbacks[event] : undefined) &&
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(index = callbacks.indexOf(callback)) >= 0
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) {
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callbacks.splice(index, 1);
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if (!callbacks.length) {
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delete this._callbacks[event];
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}
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}
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return this;
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}
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trigger(event, ...args) {
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let callbacks;
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this.eventInProgress = { name: event, args };
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if (
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(callbacks = this._callbacks != null ? this._callbacks[event] : undefined)
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) {
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for (var callback of Array.from(callbacks.slice(0))) {
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if (typeof callback === "function") {
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callback(...Array.from(args || []));
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}
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}
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}
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this.eventInProgress = null;
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if (event !== "all") {
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this.trigger("all", event, ...Array.from(args));
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}
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return this;
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}
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removeEvent(event) {
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if (this._callbacks != null) {
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for (var name of Array.from(event.split(" "))) {
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delete this._callbacks[name];
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}
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}
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return this;
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}
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}
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