SingleFile/extension/lib/github/github.js

/*
 * Copyright 2010-2020 Gildas Lormeau
 * contact : gildas.lormeau <at> gmail.com
 * 
 * This file is part of SingleFile.
 *
 *   The code in this file is free software: you can redistribute it and/or 
 *   modify it under the terms of the GNU Affero General Public License 
 *   (GNU AGPL) as published by the Free Software Foundation, either version 3
 *   of the License, or (at your option) any later version.
 * 
 *   The code in this file is distributed in the hope that it will be useful, 
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of 
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero 
 *   General Public License for more details.
 *
 *   As additional permission under GNU AGPL version 3 section 7, you may 
 *   distribute UNMODIFIED VERSIONS OF THIS file without the copy of the GNU 
 *   AGPL normally required by section 4, provided you include this license 
 *   notice and a URL through which recipients can access the Corresponding 
 *   Source.
 */

/* global fetch, btoa */

export { pushGitHub };

let pendingPush;

async function pushGitHub(token, userName, repositoryName, branchName, path, content) {
	while (pendingPush) {
		await pendingPush;
	}
	pendingPush = async () => {
		try {
			await createContent({ path, content });
		} finally {
			pendingPush = null;
		}
	};
	await pendingPush();

	async function createContent({ path, content, message = "" }) {
		const response = await fetch(`https://api.github.com/repos/${userName}/${repositoryName}/contents/${path}`, {
			method: "PUT",
			headers: new Map([
				["Authorization", `token ${token}`],
				["Accept", "application/vnd.github.v3+json"]
			]),
			body: JSON.stringify({ content: btoa(content), message, branch: branchName })
		});
		const responseData = await response.json();
		if (response.status < 400) {
			return responseData;
		} else {
			throw new Error(responseData.message);
		}
	}
}