utility for batch-handling general discord server logs, sending 10 embeds at a time

LogHandler.ts

/**
 * Copyright 2021 Carter "Fyko" Himmel
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this
 * software and associated documentation files (the "Software"), to deal in the Software
 * without restriction, including without limitation the rights to use, copy, modify,
 * merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to the following
 * conditions:
 * 
 * The above copyright notice and this permission notice shall be included in all copies
 * or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
 * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
 * PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
 * FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

import TugBoatClient from '../client/TugBoatClient';
import { MessageEmbed, Collection } from 'discord.js';
import { createWebhook } from '../util';

const chunkArray = <T>(list: T[], chunksize: number): T[][] =>
	new Array(Math.ceil(list.length / chunksize)).fill(undefined).map(() => list.splice(0, chunksize));

export default class LogHandler {
	protected interval!: NodeJS.Timeout;

	protected logs = new Collection<MessageEmbed, string>();

	public constructor(public readonly client: TugBoatClient, protected readonly rate = 2500) {}

	public init(): void {
		this._check();
		this.interval = this.client.setInterval(this._check.bind(this), this.rate);
		this.client.logger.info('[LOG HANDLER] Successfully launched log handler.');
	}

	public add(embed: MessageEmbed, hookURL?: string): Collection<MessageEmbed, string> | null {
		if (!hookURL) return null;
		return this.logs.set(embed, hookURL);
	}

	private _check(): void {
		if (!this.logs.size) return;
		const done: string[] = [];
		for (const hookLink of this.logs.array()) {
			const embeds = this.logs.filter((v) => v === hookLink).keyArray();
			if (done.includes(hookLink)) continue;
			done.push(hookLink);

			this.logs.sweep((k) => k === hookLink);

			const chunks = chunkArray(embeds, 10);
			const hook = createWebhook(hookLink);
			for (const embeds of chunks) {
				void hook.send({ embeds }).catch(() => undefined);
			}
		}
	}
}