mod.ts

import * as oauth from "https://raw.githubusercontent.com/snsinfu/deno-oauth-1.0a/main/mod.ts";

class OAuthClient extends oauth.OAuthClient {
	fetch(
		input: RequestInfo | URL,
		init: RequestInit & { token?: oauth.Token },
	): Promise<Response> {
		let href = typeof input === "string"
			? input
			: input instanceof URL
			? input.href
			: input.url;
		let method = init.method ?? "GET";
		let headers = new Headers(init.headers);
		if (init.token) {
			headers.set(
				"Authorization",
				oauth.toAuthHeader(
					this.sign(method, href, { token: init.token }),
				),
			);
		}
		return fetch(input, { ...init, method, headers });
	}
}

export class TwitterClient extends OAuthClient {
	token?: oauth.Token;

	constructor(options: Partial<oauth.ClientOptions> & { token?: oauth.Token } = {}) {
		let consumer = options.consumer ?? {
			key: Deno.env.get("TWITTER_API_KEY"),
			secret: Deno.env.get("TWITTER_API_SECRET"),
		};
		super({ consumer, signature: oauth.HMAC_SHA1 });
		this.token = options.token ?? {
			key: Deno.env.get("TWITTER_ACCESS_TOKEN"),
			secret: Deno.env.get("TWITTER_ACCESS_TOKEN_SECRET"),
		};
	}

	fetch(route: string, init: RequestInit & { token?: oauth.Token }) {
		let token = init.token ?? this.token;
		return super.fetch(new URL(route, "https://api.twitter.com"), {
			...init,
			token,
		});
	}
}

import { TwitterClient } from 'https://gist.github.com/manzt/d6cbf7f901a6e7b68c145d3820fbed7b/raw/d22066c5f516fdc51555b3af9b25fdf439aefc92/mod.ts';

let client = new TwitterClient()

// tweet
let status = "Hello, world";
let response = await client.fetch("/2/tweets", {
  method: "POST",
  body: JSON.stringify({ text: status }),
  headers: { "Content-Type": "application/json" },
});
let { data } = await response.json();
console.log("Tweeted", data);

// delete tweet
response = await client.fetch("/2/tweets/" + data.id, { method: "DELETE" });
console.log("Deleted", await response.json());

// Tweeted { id: "1569057473041924097", text: "Hello, world" }
// Deleted { data: { deleted: true } }