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42 lines
1012 B
42 lines
1012 B
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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/**
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* Tiny class to simplify dealing with subscription set
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*/
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class SubscriptionSet {
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constructor() {
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this.set = {
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subscribe: {},
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psubscribe: {},
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ssubscribe: {},
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};
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}
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add(set, channel) {
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this.set[mapSet(set)][channel] = true;
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}
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del(set, channel) {
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delete this.set[mapSet(set)][channel];
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}
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channels(set) {
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return Object.keys(this.set[mapSet(set)]);
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}
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isEmpty() {
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return (this.channels("subscribe").length === 0 &&
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this.channels("psubscribe").length === 0 &&
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this.channels("ssubscribe").length === 0);
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}
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}
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exports.default = SubscriptionSet;
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function mapSet(set) {
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if (set === "unsubscribe") {
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return "subscribe";
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}
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if (set === "punsubscribe") {
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return "psubscribe";
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}
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if (set === "sunsubscribe") {
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return "ssubscribe";
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}
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return set;
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}
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