Convert selected HTML to Markdown
目前为
// ==UserScript==
// @name Easy Web Page to Markdown
// @name:zh 网页转Markdown工具
// @namespace http://tampermonkey.net/
// @version 0.1.1
// @description Convert selected HTML to Markdown
// @description:zh 将选定的HTML转换为Markdown
// @author shiquda
// @match *://*/*
// @namespace https://github.com/shiquda/shiquda_UserScript
// @supportURL https://github.com/shiquda/shiquda_UserScript/issues
// @grant GM_addStyle
// @grant GM_registerMenuCommand
// @grant GM_setClipboard
// @require https://code.jquery.com/jquery-3.6.0.min.js
// @require https://cdnjs.cloudflare.com/ajax/libs/jqueryui/1.12.1/jquery-ui.min.js
// @require https://unpkg.com/turndown/dist/turndown.js
// @require https://cdnjs.cloudflare.com/ajax/libs/marked/12.0.0/marked.min.js
// @license AGPL-3.0
// ==/UserScript==
(function () {
'use strict';
// Create Turndown service
var turndownService = new TurndownService({ codeBlockStyle: 'fenced' });
turndownService.addRule('strikethrough', {
filter: ['del', 's', 'strike'],
replacement: function (content) {
return '~' + content + '~'
}
})
// Add CSS for the selection box and the modal
GM_addStyle(`
.h2m-selection-box {
border: 2px dashed #f00;
background-color: rgba(255, 0, 0, 0.2);
}
.h2m-no-scroll {
overflow: hidden;
}
.h2m-modal {
position: fixed;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
width: 80%;
height: 80%;
background: white;
border-radius: 10px;
display: flex;
flex-direction: row;
z-index: 9999;
}
.h2m-modal-overlay {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: rgba(0, 0, 0, 0.5);
z-index: 9998;
}
.h2m-modal textarea,
.h2m-modal .h2m-preview {
width: 50%;
height: 100%;
padding: 20px;
box-sizing: border-box;
overflow-y: auto;
}
.h2m-modal .h2m-buttons {
position: absolute;
bottom: 10px;
right: 10px;
}
.h2m-modal .h2m-buttons button {
margin-left: 10px;
background-color: #4CAF50; /* Green */
border: none;
color: white;
padding: 13px 16px;
border-radius: 10px;
text-align: center;
text-decoration: none;
display: inline-block;
font-size: 16px;
transition-duration: 0.4s;
cursor: pointer;
}
.h2m-modal .h2m-buttons button:hover {
background-color: #45a049;
}
.h2m-modal .h2m-close {
position: absolute;
top: 10px;
right: 10px;
cursor: pointer;
width: 25px;
height: 25px;
background-color: #f44336;
color: white;
font-size: 20px;
border-radius: 50%;
text-align: center;
line-height: 25px;
}
`);
var isSelecting = false;
var selectedElement = null;
$(document).on('mouseover', function (e) {
if (isSelecting) {
$(selectedElement).removeClass('h2m-selection-box');
selectedElement = e.target;
$(selectedElement).addClass('h2m-selection-box');
}
}).on('wheel', function (e) {
if (isSelecting) {
e.preventDefault();
if (e.originalEvent.deltaY < 0) {
selectedElement = selectedElement.parentElement;
} else {
selectedElement = $(selectedElement).find(':hover')[0];
}
$('.h2m-selection-box').removeClass('h2m-selection-box');
$(selectedElement).addClass('h2m-selection-box');
}
}).on('keydown', function (e) {
if (e.key === 'Escape') {
endSelecting();
}
}).on('mousedown', function (e) {
if (isSelecting) {
e.preventDefault();
var markdown = convertToMarkdown(selectedElement);
showMarkdownModal(markdown);
endSelecting();
}
});
// HTML2Markdown
function convertToMarkdown(element) {
var html = element.outerHTML;
let turndownMd = turndownService.turndown(html);
turndownMd = turndownMd.replaceAll('[\n\n]', '[]');
return turndownMd;
}
// 预览
function showMarkdownModal(markdown) {
var $modal = $(`
<div class="h2m-modal-overlay">
<div class="h2m-modal">
<textarea>${markdown}</textarea>
<div class="h2m-preview">${marked.parse(markdown)}</div>
<div class="h2m-buttons">
<button class="h2m-copy">Copy to clipboard</button>
<button class="h2m-download">Download as MD</button>
</div>
<div class="close">X</div>
</div>
</div>
`);
$modal.find('textarea').on('input', function () {
// console.log("Input event triggered");
var markdown = $(this).val();
var html = marked.parse(markdown);
// console.log("Markdown:", markdown);
// console.log("HTML:", html);
$modal.find('.preview').html(html);
});
$modal.on('keydown', function (e) {
if (e.key === 'Escape') {
$modal.remove();
}
});
$modal.find('.h2m-copy').on('click', function () {
GM_setClipboard($modal.find('textarea').val());
$modal.find('.h2m-copy').text('Copied!');
setTimeout(() => {
$modal.find('.h2m-copy').text('Copy to clipboard');
}, 1000);
});
$modal.find('.h2m-download').on('click', function () {
var markdown = $modal.find('textarea').val();
var blob = new Blob([markdown], { type: 'text/markdown' });
var url = URL.createObjectURL(blob);
var a = document.createElement('a');
a.href = url;
// 当前页面标题 + 时间
a.download = `${document.title}-${new Date().toISOString().replace(/:/g, '-')}.md`;
a.click();
});
$modal.find('.close').on('click', function () {
$modal.remove();
});
// $modal.on('click', function (e) {
// if (e.target === this) {
// $modal.remove();
// }
// });
$('body').append($modal);
}
// 开始选择
function startSelecting() {
$('body').addClass('h2m-no-scroll');
isSelecting = true;
}
// 结束选择
function endSelecting() {
isSelecting = false;
$('.h2m-selection-box').removeClass('h2m-selection-box');
$('body').removeClass('h2m-no-scroll');
}
$(document).on('keydown', function (e) {
if (e.ctrlKey && e.key === 'm') {
e.preventDefault();
startSelecting()
}
});
// Register menu command
GM_registerMenuCommand('Convert to Markdown', function () {
startSelecting()
});
})();