37 lines
1.3 KiB
JavaScript
37 lines
1.3 KiB
JavaScript
// eris doesn't come with an awaitReactions method by default, so we make our own
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const EventEmitter = require("events").EventEmitter;
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class ReactionCollector extends EventEmitter {
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constructor(message, filter, options = {}) {
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super();
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this.filter = filter;
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this.message = message;
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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 = message.channel.guild ? message.channel.guild.shard.client : message.channel._client;
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this.listener = (message, emoji, userID) => this.verify(message, emoji, userID);
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this.bot.on("messageReactionAdd", 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, emoji, userID) {
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if (this.message.id !== message.id) return false;
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if (this.filter(message, emoji, userID)) {
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this.collected.push({ message: message, emoji: emoji, userID: userID });
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this.emit("reaction", message, emoji, userID);
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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("messageReactionAdd", this.listener);
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this.emit("end", this.collected, reason);
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}
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}
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module.exports = ReactionCollector;
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