38 lines
1.1 KiB
JavaScript
38 lines
1.1 KiB
JavaScript
// eris doesn't come with an awaitMessages method by default, so we make our own
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import { EventEmitter } from "events";
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class MessageCollector extends EventEmitter {
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constructor(client, channel, filter, options = {}) {
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super();
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this.filter = filter;
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this.channel = channel;
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this.options = options;
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this.ended = false;
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this.collected = [];
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this.bot = client;
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this.listener = message => this.verify(message);
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this.bot.on("messageCreate", this.listener);
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if (options.time) setTimeout(() => this.stop("time"), options.time);
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}
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verify(message) {
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if (this.channel.id !== message.channel.id) return false;
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if (this.filter(message)) {
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this.collected.push(message);
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this.emit("message", message);
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if (this.collected.length >= this.options.maxMatches) this.stop("maxMatches");
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return true;
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}
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return false;
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}
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stop(reason) {
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if (this.ended) return;
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this.ended = true;
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this.bot.removeListener("messageCreate", this.listener);
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this.emit("end", this.collected, reason);
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}
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}
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export default MessageCollector;
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