Telegraphio

Various enhancements for Telegraph

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Telegraphio
// @name:zh-CN   Telegraphio
// @namespace    http://tampermonkey.net/
// @version      0.1.3
// @description  Various enhancements for Telegraph
// @description:zh-CN 对 Telegraph 的各种增强
// @tag          productivity
// @author       PRO-2684
// @match        https://telegra.ph/*
// @run-at       document-end
// @icon         https://telegra.ph/images/favicon_2x.png
// @license      gpl-3.0
// @grant        unsafeWindow
// @grant        GM_setValue
// @grant        GM_getValue
// @grant        GM_deleteValue
// @grant        GM_registerMenuCommand
// @grant        GM_unregisterMenuCommand
// @grant        GM_addValueChangeListener
// @require      https://github.com/PRO-2684/GM_config/releases/download/v1.2.2/config.min.js#md5=c45f9b0d19ba69bb2d44918746c4d7ae
// ==/UserScript==

(function () {
    const { name, version } = GM_info.script;
    const $ = document.querySelector.bind(document);
    const debug = console.debug.bind(console, `[${name}@${version}]`);
    const error = console.error.bind(console, `[${name}@${version}]`);

    const configDesc = {
        "$default": {
            autoClose: false
        },
        mdPlus: {
            name: "Markdown +",
            title: "Enable extended Markdown support",
            type: "bool",
        },
        formatPlus: {
            name: "Format +",
            title: "Enable extended format support",
            type: "bool",
        },
        shortcutPlus: {
            name: "Shortcut +",
            title: "Enable extended shortcut support",
            type: "bool",
        },
    };
    const config = new GM_config(configDesc);

    const { quill, Quill, updateEditable, savePage } = unsafeWindow;
    if (!quill || !Quill) {
        error("Quill not found");
        return;
    }
    debug("Quill found");

    if (config.get("mdPlus")) {
        // Helper function for prefix-based bindings
        function addPrefixBinding(prefixRegex, formatName) {
            quill.keyboard.addBinding({
                key: " ",
                prefix: prefixRegex,
            }, function (range, context) {
                const prefixLength = context.prefix.length;
                const position = range.index - prefixLength;
                this.quill.scroll.deleteAt(position, prefixLength);
                this.quill.formatLine(position, 1, formatName, true, Quill.sources.USER);
                this.quill.setSelection(position, Quill.sources.SILENT);
            });
        }
        // Header (`# `)
        addPrefixBinding(/^#$/, "blockHeader");
        // Sub header (`## `)
        addPrefixBinding(/^##$/, "blockSubheader");
        // Quote (`> `)
        addPrefixBinding(/^>$/, "blockBlockquote");

        // TODO: Bold & italic (& Underline?)
        // **Bold**, *Italic*

        // TODO: Link
        // [Link](https://example.com)
    }
    if (config.get("formatPlus")) {
        // Strikethrough
        quill.keyboard.addBinding({
            key: "X",
            shortKey: true,
            shiftKey: true,
        }, function (range, context) {
            this.quill.format("strike", !context.format.strike, Quill.sources.USER);
        });
    }
    if (config.get("shortcutPlus")) {
        //  Helper function for pasting link into text
        function applyLinkToSelection(delta, link) {
            const selection = quill.selection.savedRange;
            if (link && selection?.length) {
                const text = quill.getText(selection.index, selection.length);
                delta.ops.pop();
                delta.insert(text, { link });
            }
            return delta;
        }

        // For plain text links
        const linkRegex = /^((?:https?|tg):\/\/\S+|www\.\S+)$/;
        quill.clipboard.addMatcher(Node.TEXT_NODE, function (node, delta) {
            const pasted = delta.ops.at(-1)?.insert;
            const match = pasted?.match(linkRegex);
            return match ? applyLinkToSelection(delta, match[0]) : delta;
        });

        // For HTML anchor elements
        quill.clipboard.addMatcher("A", function (node, delta) {
            const link = delta.ops.at(-1)?.attributes?.link;
            return applyLinkToSelection(delta, link);
        });

        // Ctrl + E to edit
        // Quill is not activated, so set up listener using addEventListener
        document.addEventListener("keydown", e => {
            if ((e.ctrlKey || e.metaKey) && e.key === "e" && !quill.isEnabled()) {
                e.preventDefault();
                updateEditable(true);
            }
        });

        // Ctrl + S to publish
        quill.keyboard.addBinding({
            key: "S",
            shortKey: true,
        }, function (_range, _context) {
            if (quill.isEnabled()) {
                savePage();
            }
        });
    }
})();