更换markdown解析器

This commit is contained in:
aote777 2024-03-06 14:55:33 +08:00
parent 2bd0d92562
commit bc4bf58c57
1 changed files with 79 additions and 67 deletions

144
demo.html
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@ -4,11 +4,9 @@
<meta charset="UTF-8" /> <meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" /> <meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" />
<base target="_blank">
<title>anki-md模板测试</title> <title>anki-md模板测试</title>
</head> </head>
<style> <style>
/* 这个需要复制到anki的css样式的那个窗口里 */
.markdown-body { .markdown-body {
box-sizing: border-box; box-sizing: border-box;
min-width: 200px; min-width: 200px;
@ -16,13 +14,11 @@
margin: 0 auto; margin: 0 auto;
padding: 45px; padding: 45px;
} }
@media (max-width: 767px) { @media (max-width: 767px) {
.markdown-body { .markdown-body {
padding: 15px; padding: 15px;
} }
} }
/* 初始状态下设置透明度为0 */ /* 初始状态下设置透明度为0 */
.md-content { .md-content {
opacity: 0; opacity: 0;
@ -30,34 +26,71 @@
} }
</style> </style>
<body> <body>
<br />\[x = {-b \pm \sqrt{b^2-4ac} \over 2a}\]<br /> <div class="md-content"></div>
<div id="test" class="md-content"> <!-- prettier-ignore -->
When $a \ne 0$, there are two solutions to \(ax^2 + bx + c = 0\) and they <div class="md-content">
are 只有这个是正常的 $$x = {-b \pm \sqrt{b^2-4ac} \over 2a}.$$
> 呵呵呵
> 呵呵呵哈哈哈哈
> 喜喜
# 一级标题
## 二级标题
### 三级标题
#### 四级标题
##### 五级标题
###### 六级标题
---
**加粗**
*斜体*
***加粗斜体***
---
> 引用
---
- 无序列表
- 无序列表
- 无序列表
---
1. 有序列表
2. 有序列表
3. 有序列表
---
[链接](https://www.baidu.com)
---
![图片](https://www.baidu.com/img/bd_logo1.png)
---
`行内代码`
---
```javascript
// 代码块
console.log('hello world')
```
</div> </div>
<div class="md-content">* 呵呵 # 我看你真是老糊涂了</div>
<script> <script>
'use strict' 'use strict'
// 在anki中查看调试信息 // 在anki中查看调试信息 没控制台啊
function consoleLog(str) { function consoleLog(str) {
var div = document.createElement('div') var div = document.createElement('div')
div.innerHTML = str div.innerHTML = str
document.body.appendChild(div) document.body.appendChild(div)
} }
var JQ_CDN = // https://github.com/markdown-it/markdown-it
'https://cdnjs.cloudflare.com/ajax/libs/jquery/3.6.0/jquery.min.js' var MARKDOWN_IT_CDN =
var SHOWDOWN_CDN = 'https://lf6-cdn-tos.bytecdntp.com/cdn/expire-1-M/markdown-it/12.3.2/markdown-it.min.js'
'https://lf26-cdn-tos.bytecdntp.com/cdn/expire-1-M/showdown/2.0.0/showdown.min.js'
// 代码高亮库
var HIGHLIGHT_JS_CDN = var HIGHLIGHT_JS_CDN =
'https://lf26-cdn-tos.bytecdntp.com/cdn/expire-1-M/highlight.js/11.4.0/highlight.min.js' 'https://lf26-cdn-tos.bytecdntp.com/cdn/expire-1-M/highlight.js/11.4.0/highlight.min.js'
var es6CDN = 'https://polyfill.io/v3/polyfill.min.js?features=es6'
var MATHJAX_CDN = // 代码高亮样式
'https://lf26-cdn-tos.bytecdntp.com/cdn/expire-1-M/mathjax/3.2.0/es5/tex-chtml-full.js'
var HIGHLIGHT_CSS_CDN = var HIGHLIGHT_CSS_CDN =
'https://lf26-cdn-tos.bytecdntp.com/cdn/expire-1-M/highlight.js/11.4.0/styles/base16/onedark.min.css' 'https://lf26-cdn-tos.bytecdntp.com/cdn/expire-1-M/highlight.js/11.4.0/styles/base16/onedark.min.css'
// github-markdown-css
var GITHUB_MARKDOWN_CSS_CDN = var GITHUB_MARKDOWN_CSS_CDN =
'https://lf3-cdn-tos.bytecdntp.com/cdn/expire-1-M/github-markdown-css/5.1.0/github-markdown.css' 'https://lf9-cdn-tos.bytecdntp.com/cdn/expire-1-M/github-markdown-css/5.1.0/github-markdown.min.css'
// 加载库文件 // 加载库文件
var createScript = (src) => { var createScript = (src) => {
@ -81,6 +114,8 @@
linkElement.onload = () => {} linkElement.onload = () => {}
document.head.appendChild(linkElement) document.head.appendChild(linkElement)
} }
createLink(GITHUB_MARKDOWN_CSS_CDN)
createLink(HIGHLIGHT_CSS_CDN)
// 清除br标签 // 清除br标签
// anki自动生成的<br>全部干掉 严格按照原生换行来写 // anki自动生成的<br>全部干掉 严格按照原生换行来写
@ -89,6 +124,7 @@
return str return str
} }
// 清除空格实体字符
var clearBlankNbsp = (str) => { var clearBlankNbsp = (str) => {
str = str.replace(/&nbsp;/g, ' ') str = str.replace(/&nbsp;/g, ' ')
return str return str
@ -96,45 +132,35 @@
// 反转义 HTML 实体,确保卡片中所有的符号正常 // 反转义 HTML 实体,确保卡片中所有的符号正常
// Eg. #include <stdio.h> // Eg. #include <stdio.h>
var unescapeHTMLEntities = (innerHTML) => Object.assign(document.createElement('textarea'), {innerHTML}).value; var unescapeHTMLEntities = (innerHTML) =>
Object.assign(document.createElement('textarea'), { innerHTML }).value
// 解析(入口方法) // 解析入口main方法
var parseMarkDown = () => { var parseMarkDownFn = () => {
var convert = new showdown.Converter({ const md = markdownit({
// 启用对md中对图像尺寸的支持 html: false,
// ![foo](foo.jpg =100x80) simple, assumes units are in px linkify: true,
// ![bar](bar.jpg =100x*) sets the height to "auto" typographer: true,
// ![baz](baz.jpg =80%x5em) Image with width of 80% and height of 5em breaks: true,
parseImgDimensions: true, highlight: function (str, lang) {
// 启用对删除线的支持 if (lang && hljs.getLanguage(lang)) {
strikethrough: true, try {
// 启用对表格语法的支持 return hljs.highlight(str, { language: lang }).value
tables: true, } catch (__) {}
// 启用checkbox的支持 }
tasklists: true,
// 尝试巧妙地修复与缩进代码中间与 es6 模板字符串相关的缩进问题 return '' // use external default escaping
smartIndentationFix: true, },
// 将换行符解析为 <br>行尾不需要2个空格
simpleLineBreaks: true,
// 反斜杠转义html
backslashEscapesHTMLTags: true,
// 禁用将子列表缩进4个空格以使其嵌套的要求有效地恢复到2或3个空格足够的旧行为
// disableforced4spacesindentedsublist: true,
ghCodeBlocks: true,
}) })
// 好像是失效的??不管用呢
// convert.setFlavor('github')
document.querySelectorAll('.md-content').forEach((div, index) => { document.querySelectorAll('.md-content').forEach((div, index) => {
console.log('查找到的容器元素', div) console.log('查找到的容器元素', div)
div.innerHTML = clearBlankNbsp(div.innerHTML) // 需要去除首尾空格 不然markdown-it会解析错误
var text = unescapeHTMLEntities(div.innerHTML) var text = unescapeHTMLEntities(div.innerHTML)
console.log('text', text) console.log('text', text)
var thisConverterSpecificOptions = convert.getOptions()
console.log('当前的配置项', thisConverterSpecificOptions)
// 清除br标签 // 清除br标签
text = clearBR(text) text = clearBR(text)
// 👇关键核心md转换 // 👇关键核心md转换
var html = convert.makeHtml(text) var html = md.render(text)
var newDiv = document.createElement('div') var newDiv = document.createElement('div')
var hr = document.createElement('hr') var hr = document.createElement('hr')
newDiv.innerHTML = html newDiv.innerHTML = html
@ -145,31 +171,17 @@
index === 1 ? div.parentNode.insertBefore(hr, div.nextSibling) : null index === 1 ? div.parentNode.insertBefore(hr, div.nextSibling) : null
div.className = `x-${index}` div.className = `x-${index}`
div.style.display = 'none' div.style.display = 'none'
// 不能从body直接插入元素 anki 不刷新的 // 不能从body直接插入元素 anki 不刷新的
}) })
} }
createLink(GITHUB_MARKDOWN_CSS_CDN)
createLink(HIGHLIGHT_CSS_CDN)
function texToHtml(texString) { createScript(HIGHLIGHT_JS_CDN)
// 使用MathJax的tex2chtml函数将TeX字符串转换为HTML节点
const node = MathJax.tex2chtml(texString)
// 返回HTML字符串
return node.outerHTML
}
createScript(SHOWDOWN_CDN)
.then(() => { .then(() => {
return createScript(HIGHLIGHT_JS_CDN) return createScript(MARKDOWN_IT_CDN)
}) })
.then(() => { .then(() => {
// anki模板无法使用window.onload我怀疑是被占用了 // anki模板无法使用window.onload我怀疑是被占用了
// window.onload = parseMarkDown parseMarkDownFn()
// 可以尝试手动清除anki生成的<br>
parseMarkDown()
})
.then(() => {
// 自动代码高亮
hljs.highlightAll()
}) })
.then(() => { .then(() => {
// 清除重复项 试试 // 清除重复项 试试