Markdown-WorkFlowy

Supports Markdown in WorkFlowy

Από την 14/03/2022. Δείτε την τελευταία έκδοση.

θα χρειαστεί να εγκαταστήσετε μια επέκταση όπως το Tampermonkey, το Greasemonkey ή το Violentmonkey για να εγκαταστήσετε αυτόν τον κώδικα.

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

θα χρειαστεί να εγκαταστήσετε μια επέκταση όπως το Tampermonkey ή το Violentmonkey για να εγκαταστήσετε αυτόν τον κώδικα.

θα χρειαστεί να εγκαταστήσετε μια επέκταση όπως το Tampermonkey ή το Userscripts για να εγκαταστήσετε αυτόν τον κώδικα.

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

Θα χρειαστεί να εγκαταστήσετε μια επέκταση διαχείρισης κώδικα χρήστη για να εγκαταστήσετε αυτόν τον κώδικα.

(Έχω ήδη έναν διαχειριστή κώδικα χρήστη, επιτρέψτε μου να τον εγκαταστήσω!)

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.

(Έχω ήδη έναν διαχειριστή στυλ χρήστη, επιτρέψτε μου να τον εγκαταστήσω!)

// ==UserScript==
// @name         Markdown-WorkFlowy
// @namespace    https://github.com/BettyJJ
// @version      0.2
// @description  Supports Markdown in WorkFlowy
// @author       Betty
// @match        https://workflowy.com/*
// @match        https://*.workflowy.com/*
// @run-at       document-idle
// @require      https://cdnjs.cloudflare.com/ajax/libs/markdown-it/12.3.2/markdown-it.min.js
// @require      https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.5.0/highlight.min.js
// @grant        GM.addStyle
// @grant        GM_getResourceText
// @resource     TUI_CSS https://cdn.jsdelivr.net/npm/@toast-ui/[email protected]/dist/toastui-editor-viewer.min.css
// @resource     HL_CSS https://unpkg.com/@highlightjs/[email protected]/styles/github.min.css
// ==/UserScript==

(function () {
	'use strict';


	init();


	/**
	 * initialize
	 */
	function init() {

		wait_for_page_load();

		watch_page();

		load_css();

		// hide_note_raw();
	}


	/**
	 * wait till the page is loaded
	 */
	function wait_for_page_load() {

		const observer = new MutationObserver(function (mutation_list) {
			for (const { addedNodes } of mutation_list) {
				for (const node of addedNodes) {
					if (!node.tagName) continue; // not an element

					// this element appears when the page is loaded
					if (node.classList.contains('pageContainer')) {
						show_preview_button();
					}

				}
			}
		});
		observer.observe(document.body, { childList: true, subtree: true });

	}


	/**
	 * show preview button
	 */
	function show_preview_button() {
		// show preview button
		const btn = document.createElement('a');
		btn.className = 'bmd-preview-button';
		btn.textContent = 'Preview MD';
		const active_page = document.querySelector('.page.active');
		active_page.insertAdjacentElement('afterend', btn);

		// insert preview box
		const preview = document.createElement('div');
		preview.className = 'bmd-preview-box';
		active_page.insertAdjacentElement('afterend', preview);

		// bind click event
		btn.addEventListener('click', function () {
			// toggle class for page container
			const page_container = document.querySelector('.pageContainer');
			page_container.classList.toggle('bmd-has-preview');

			// show the preview content if the box is not hidden
			if (page_container.classList.contains('bmd-has-preview')) {
				show_preview_content();
			}
		});
	}


	/**
	 * show the preview content
	 */
	function show_preview_content() {
		const raw = get_raw_content();

		const preview = document.querySelector('.bmd-preview-box');

		// use tui editor's style
		let content = document.querySelector('.toastui-editor-contents');
		if (content === null) {
			content = document.createElement('div');
			content.className = 'toastui-editor-contents';
			preview.appendChild(content);
		}

		const md = get_mdit();
		const result = md.render(raw);
		content.innerHTML = result;
	}


	/**
	 * get raw content
	 * @returns {string}
	 */
	function get_raw_content() {
		const node_list = document.getElementsByClassName('innerContentContainer');

		let raw = '';
		for (let i = 0; i < node_list.length; i++) {
			const node = node_list[i];

			// sometimes there is repetition. don't know why, but we need to check and exclude it first
			const parent = node.parentElement;
			if (parent.getAttribute('style') === null || parent.getAttribute('style').indexOf('visibility') !== -1) {
				raw += node.textContent + '\n';
			}

		}

		return raw;
	}

	/**
	 * return the object of markdown-it
	 * @returns {object}
	 */
	function get_mdit() {
		const md = window.markdownit({
			breaks: true,
			highlight: function (str, lang) {
				if (lang && hljs.getLanguage(lang)) {
					try {
						return hljs.highlight(str, { language: lang }).value;
					} catch (__) { }
				}

				return '';
			},
			html: true,
			linkify: true,
		});

		return md;
	}



	/**
	 * watch the page
	 */
	function watch_page() {

		// wathe the page, so that the rendering is updated when new contents come in as the user edits or navigates
		const observer = new MutationObserver(function (mutationlist) {
			for (const { addedNodes } of mutationlist) {
				for (const node of addedNodes) {
					if (!node.tagName) continue; // not an element

					if (node.classList.contains('innerContentContainer')) {
						update_preview();
					}

				}
			}
		});
		observer.observe(document.body, { childList: true, subtree: true });

	}


	/**
	 * update preview if the preview box is shown
	 */
	function update_preview() {
		// only update the preview content if the box is not hidden
		const page_container = document.querySelector('.pageContainer');
		if (!page_container.classList.contains('bmd-has-preview')) {
			return;
		}

		const content = document.querySelector('.toastui-editor-contents');
		if (!content) {
			return;
		}

		// update the preview
		const raw = get_raw_content();
		const md = get_mdit();
		const result = md.render(raw);
		content.innerHTML = result;
	}


	/**
	 * load TUI Editor css
	 */
	function load_css() {
		const tui_css = GM_getResourceText('TUI_CSS');
		GM.addStyle(tui_css);

		const hl_css = GM_getResourceText('HL_CSS');
		GM.addStyle(hl_css);

		// override WF's interfering styles
		GM.addStyle(`
		.toastui-editor-contents th, .toastui-editor-contents tr, .toastui-editor-contents td {
			vertical-align: middle;
		}
		.toastui-editor-contents {
			font-size: 15px;
		}

		/* support dark mode */
		.toastui-editor-contents h1, .toastui-editor-contents h2, .toastui-editor-contents h3, .toastui-editor-contents h4, .toastui-editor-contents h5, .toastui-editor-contents h6
		, .toastui-editor-contents p
		, .toastui-editor-contents dir, .toastui-editor-contents menu, .toastui-editor-contents ol, .toastui-editor-contents ul
		, .toastui-editor-contents table
		{
			color: revert;
		}
		.toastui-editor-contents table td, .toastui-editor-contents table th {
			border: 1px solid #dadada;
		}
		.toastui-editor-contents pre code {
			color: #2a3135;
		}

		`);

		// style for the preview box
		GM.addStyle(`
		.bmd-preview-button {
			background: white;
			border: solid 1px;
			color: #2a3135;
			padding: 6px;
			position: absolute;
			right: 24px;
			top: 50px;
		}
		.bmd-preview-button:hover {
			background: lightgray;
			text-decoration: none;
		}

		.bmd-preview-box {
			display: none;
		}
		.bmd-has-preview .bmd-preview-box {
			display: block;
		}

		.bmd-has-preview {
			display: flex;
		}
		.bmd-has-preview .page.active {
			flex-basis: 50%;
			flex-grow: 1;
			padding-left: 24px;
			padding-right: 24px;
			word-break: break-word;
		}
		.bmd-preview-box {
			border: solid 1px lightgray;
			flex-basis: 50%;
			flex-grow: 1;
			margin-top: 72px;
			padding: 24px;
			user-select: text;
		}
		`);

	}


})();