index.ts

import { Database } from "sqlite3";

class DatabaseHelper {
	constructor(private database: Database) {}

	public async query (
		parts: string[],
		...params: any[]
	): Promise<sqlite3.RunResult> {
		const sql = parts.join("?");
		
		return new Promise((resolve, reject) => {
			this.database.run(sql, params, function (err) {
				if (err) return reject(err);
				resolve(this);
			});
		});
	}
}

const db = new DatabaseHelper(new Database("./db.sqlite"));
const { lastID } = await db.query`
	INSERT INTO reminders 
	(author_id, iso8601, text)
	VALUES 
	(${author_id}, ${iso8601}, ${text});
`;