NodeJS TypeScript Setup (#1)

* bot can login to discord

* changed node and npm to iron lts

* added typescript runnables

* more dev scripts

* readme update on scripts

* event handling skeleton

* fixed compiler target issue
This commit is contained in:
Kevin Dang
2023-12-22 11:22:16 -08:00
committed by GitHub
parent f4af329d44
commit c9dfd3671d
14 changed files with 1614 additions and 126 deletions

21
src/utils/env.ts Normal file
View File

@@ -0,0 +1,21 @@
import { resolve } from "path"
import { config } from "dotenv"
// Find config - ONLY WORKS WITH NODEMON
const envFile = process.env.NODE_ENV === "development" ? ".dev.env" : ".env"
// resolve config file
const envFilePath = resolve(process.cwd(), envFile)
// set current environment variable file
config({ path: envFilePath })
// Getter for environment variables
export function getEnvVar(name: string, fallback?: string): string {
const value = process.env[name] ?? fallback
if (value == undefined)
throw new Error(`Environment variable ${name} is not set.`)
// return env variable
return value
}

43
src/utils/events.ts Normal file
View File

@@ -0,0 +1,43 @@
import type { ClientEvents, Awaitable, Client } from 'discord.js';
// Export events through here to reduce amount of imports
export { Events } from 'discord.js';
export type LogMethod = (...args: unknown[]) => void;
export type EventKeys = keyof ClientEvents; // only wants keys of ClientEvents object
// Event properties
export interface EventProps {
client: Client;
log: LogMethod;
}
export type EventCallback<T extends EventKeys> = (
props: EventProps,
...args: ClientEvents[T]
) => Awaitable<unknown>; // Method can be synchronous or async, unknown so we can return anything
// Event interface
export interface Event<T extends EventKeys = EventKeys> {
key: T;
callback: EventCallback<T>;
}
export function event<T extends EventKeys>(key: T, callback: EventCallback<T>): Event<T> {
return { key, callback };
}
export function registerEvents(client: Client, events: Event[]): void {
for (const { key, callback } of events) {
client.on(key, (...args) => {
// Create a new log method for this event
const log = console.log.bind(console, `[Event: ${key}]`);
// Handle Errors, call callback, log errors as needed
try {
callback({ client, log }, ...args);
} catch (error) {
log('[Uncaught Error]', error);
}
});
}
}

3
src/utils/index.ts Normal file
View File

@@ -0,0 +1,3 @@
// Centralized import index
export * from './env.js';
export * from './events.js';