muse/src/utils/loading-message.ts
2020-03-15 14:36:59 -05:00

68 lines
1.5 KiB
TypeScript

import {TextChannel, Message} from 'discord.js';
import delay from 'delay';
export default class {
private readonly channel: TextChannel;
private readonly text: string;
private msg!: Message;
private isStopped = false;
constructor(channel: TextChannel, text: string) {
this.channel = channel;
this.text = text;
}
async start(): Promise<void> {
this.msg = await this.channel.send(this.text);
const period = 500;
const icons = ['⚪', '🔵', '⚫'];
const reactions = [];
let i = 0;
let isRemoving = false;
(async () => {
while (!this.isStopped) {
if (reactions.length === icons.length) {
isRemoving = true;
}
// eslint-disable-next-line no-await-in-loop
await delay(period);
if (isRemoving) {
const reactionToRemove = reactions.shift();
if (reactionToRemove) {
// eslint-disable-next-line no-await-in-loop
await reactionToRemove.remove();
} else {
isRemoving = false;
}
} else {
if (!this.isStopped) {
// eslint-disable-next-line no-await-in-loop
reactions.push(await this.msg.react(icons[i % icons.length]));
}
i++;
}
}
})();
}
async stop(str?: string): Promise<Message> {
this.isStopped = true;
if (str) {
await Promise.all([this.msg.reactions.removeAll(), this.msg.edit(str)]);
} else {
await this.msg.reactions.removeAll();
}
return this.msg;
}
}