75 lines
2.7 KiB
Plaintext
75 lines
2.7 KiB
Plaintext
<div class="md-content">
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{{Front}}
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</div>
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<!-- https://github.com/markdown-it/markdown-it -->
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<script defer src="https://lf6-cdn-tos.bytecdntp.com/cdn/expire-1-M/markdown-it/12.3.2/markdown-it.min.js"></script>
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<!-- 代码高亮库 -->
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<script defer src="https://lf26-cdn-tos.bytecdntp.com/cdn/expire-1-M/highlight.js/11.4.0/highlight.min.js"></script>
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<script defer>
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'use strict'
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// 在anki中通过窗口查看调试信息 没控制台啊
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function consoleLog(str) {
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var div = document.createElement('div')
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div.innerHTML = str
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document.body.appendChild(div)
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}
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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
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var clearBlankNbsp = (str) => {
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str = str.replace(/ /g, ' ')
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return str
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}
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// 反转义 HTML 实体，确保卡片中所有的符号正常
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// Eg. #include <stdio.h>
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var unescapeHTMLEntities = (innerHTML) =>
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Object.assign(document.createElement('textarea'), { innerHTML }).value
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// 解析（入口main方法）
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var parseMarkDownFn = () => {
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const md = markdownit({
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html: true, // 若为 false 将导致 anki 自带的公式渲染失效。
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linkify: true,
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typographer: true,
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breaks: true,
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highlight: function (str, lang) {
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if (lang && hljs.getLanguage(lang)) {
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try {
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return hljs.highlight(str, { language: lang }).value
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} catch (__) {}
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}
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return '' // use external default escaping
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},
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})
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document.querySelectorAll('.md-content').forEach((div, index) => {
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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
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var text = unescapeHTMLEntities(div.innerHTML).trim()
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console.log('text', text)
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// 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')
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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}`
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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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}
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parseMarkDownFn();
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</script> |