anki-md-template/demo.html

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<!DOCTYPE html>
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<html lang="cn">
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<head>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>anki-md模板测试</title>
</head>
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<style>
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.markdown-body {
box-sizing: border-box;
min-width: 200px;
max-width: 980px;
margin: 0 auto;
padding: 45px;
}
@media (max-width: 767px) {
.markdown-body {
padding: 15px;
}
}
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/* 初始状态下设置透明度为0 */
.md-content {
opacity: 0;
transition: opacity 0.3s ease-in-out;
}
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</style>
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<body>
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<!-- prettier-ignore -->
<div class="md-content">
### 我看showdown真是老糊涂了
</div>
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<!-- prettier-ignore -->
<div class="md-content">
> 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')
```
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</div>
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<!--
整个script内容(包括script标签)
需要复制到anki的卡片模板中
-->
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<script>
'use strict'
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// 在anki中查看调试信息 没控制台啊
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function consoleLog(str) {
var div = document.createElement('div')
div.innerHTML = str
document.body.appendChild(div)
}
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// https://github.com/markdown-it/markdown-it
var MARKDOWN_IT_CDN =
'https://lf6-cdn-tos.bytecdntp.com/cdn/expire-1-M/markdown-it/12.3.2/markdown-it.min.js'
// 代码高亮库
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var HIGHLIGHT_JS_CDN =
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'https://lf26-cdn-tos.bytecdntp.com/cdn/expire-1-M/highlight.js/11.4.0/highlight.min.js'
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// 代码高亮样式
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var HIGHLIGHT_CSS_CDN =
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'https://lf26-cdn-tos.bytecdntp.com/cdn/expire-1-M/highlight.js/11.4.0/styles/base16/onedark.min.css'
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// github-markdown-css
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var GITHUB_MARKDOWN_CSS_CDN =
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'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
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var createScript = (src) => {
var scriptElement = document.createElement('script')
scriptElement.src = src
scriptElement.async = true
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scriptElement.type = 'text/javascript'
document.head.appendChild(scriptElement)
return new Promise((resolve) => {
scriptElement.onload = function () {
resolve(src)
}
})
}
// 加载css文件
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var createLink = (url) => {
var linkElement = document.createElement('link')
linkElement.rel = 'stylesheet'
linkElement.href = url
linkElement.onload = () => {}
document.head.appendChild(linkElement)
}
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createLink(GITHUB_MARKDOWN_CSS_CDN)
createLink(HIGHLIGHT_CSS_CDN)
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// 清除br标签
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// anki自动生成的<br>全部干掉 严格按照原生换行来写
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var clearBR = (str) => {
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str = str.replace(/<br>/g, '\r\n')
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return str
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}
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// 清除空格实体字符
var clearBlankNbsp = (str) => {
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str = str.replace(/&nbsp;/g, ' ')
return str
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}
// 反转义 HTML 实体,确保卡片中所有的符号正常
// Eg. #include <stdio.h>
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var unescapeHTMLEntities = (innerHTML) =>
Object.assign(document.createElement('textarea'), { innerHTML }).value
// 解析入口main方法
var parseMarkDownFn = () => {
const md = markdownit({
html: true, // 若为 false 将导致 anki 自带的公式渲染失效。
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linkify: true,
typographer: true,
breaks: true,
highlight: function (str, lang) {
if (lang && hljs.getLanguage(lang)) {
try {
return hljs.highlight(str, { language: lang }).value
} catch (__) {}
}
return '' // use external default escaping
},
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})
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document.querySelectorAll('.md-content').forEach((div, index) => {
console.log('查找到的容器元素', div)
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// 需要去除首尾空格 不然markdown-it会解析错误
var text = unescapeHTMLEntities(div.innerHTML).trim()
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console.log('text', text)
// 清除br标签
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text = clearBR(text)
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// 👇关键核心md转换
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var html = md.render(text)
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var newDiv = document.createElement('div')
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var hr = document.createElement('hr')
newDiv.innerHTML = html
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// 激活github-markdown-css
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newDiv.className = 'markdown-body'
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div.parentNode.insertBefore(newDiv, div.nextSibling)
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index === 1 ? div.parentNode.insertBefore(hr, div.nextSibling) : null
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div.className = `x-${index}`
div.style.display = 'none'
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// 不能从body直接插入元素 anki 不刷新的
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})
}
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createScript(HIGHLIGHT_JS_CDN)
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.then(() => {
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return createScript(MARKDOWN_IT_CDN)
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})
.then(() => {
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// anki模板无法使用window.onload我怀疑是被占用了
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parseMarkDownFn()
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})
.then(() => {
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// 清除重复项 试试
var repeatEl = document.querySelectorAll('.x-0')
repeatEl.forEach((el, i) => {
if (i === repeatEl.length - 1) {
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return
}
document.body.removeChild(el)
})
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})
</script>
</body>
</html>