// ==UserScript==
// @name         FileAccessAPI demo
// @namespace    https://bbs.tampermonkey.net.cn/
// @version      0.1.0
// @description  try to take over the world!
// @author       You
// @match        https://bbs.tampermonkey.net.cn/
// ==/UserScript==

(function () {
    'use strict';
    let dirHandle;
    async function getFile() {
        // open directory picker
        dirHandle = await window.showDirectoryPicker({ mode: "readwrite" });
        console.log(dirHandle);
    }
    const button = document.createElement('button');
    button.innerText = "点我授权目录";
    document.body.firstChild.after(button);
    button.addEventListener('click', async function () {
        getFile();
    });
    getFile();
    const button2 = document.createElement('button');
    button2.innerText = "点我读取目录&写点东西";
    document.body.firstChild.after(button2);
    button2.addEventListener('click', async function () {
        // 读取目录
        for await (const item of dirHandle.values()) {
            console.log(item)
        }
        // 写文件
        const fileHandle = await dirHandle.getFileHandle("hello-world.txt", { create: true });
        const writable = await fileHandle.createWritable();
        await writable.write("Hello World!");
        await writable.close();
    });
})();