Merge pull request #22 from aisahpA/feature_数学公式
This commit is contained in:
commit
d4ce1c8d0d
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@ -13,11 +13,11 @@
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padding: 45px;
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}
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</style>
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<body>
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<body class="markdown-body" id="qa">
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<!-- prettier-ignore -->
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<div class="markdown-body">
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> 呵呵呵
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<div class="md-content">
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> Anki-Markdown 模板测试
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# 一级标题
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## 二级标题
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@ -59,7 +59,7 @@ public static native void arraycopy(Object src, int srcPos, Object dest, int des
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</div>
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<!-- prettier-ignore -->
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<div class="markdown-body">
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<div class="md-content">
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***
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超长代码换行显示
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```js
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@ -69,7 +69,7 @@ width.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaabbbbbbbbbbbbbbbbbbbbbbbbbbcccccccccccccccc
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</div>
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<div class="markdown-body">
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<div class="md-content">
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行内公式:$E=mc^2$
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***
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块级公式:
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@ -82,7 +82,7 @@ $$\begin{pmatrix} a & b \\ c & d \end{pmatrix}$$
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$$\int_{a}^{b} f(x) \, dx$$
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</div>
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<div class="markdown-body">
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<div class="md-content">
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***
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配置 config_showMathError 为 false 时忽略数学公式转换异常
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$2^{层数-1}$ (有异常:unicodeTextInMathMode)
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@ -93,7 +93,7 @@ $\left($ (转换失败)
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<div class="markdown-body">
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<div class="md-content">
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<ul>
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<li>下面代码的 HTML 格式中 <code>&gt;</code> 与 <code>&lt;</code> 不能转义为 > 和 <,否则会有异常的下划线</li>
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<li>不转换 <code><code></code></code>包裹的内容</li>
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@ -11,12 +11,16 @@
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padding: 16px;
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font-size: 20px;
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text-align: left; /* left-左对齐,center-居中对齐 */
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opacity: 0; /* 设置透明度为0,代码执行完后更新为1 */
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}
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.md-content {
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opacity: 0;
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}
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/* 代码块自动换行,方便手机端查看代码 */
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pre code[class*="language-"] {
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white-space: pre-wrap;
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font-size: 16px;
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}
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.katex {
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@ -1,25 +1,25 @@
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<div class="markdown-body">
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{{Front}}
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<div class="md-content">
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{{正面}}
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</div>
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<script>
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// 日志级别: debug、warn、error
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var config_logLevel = "error";
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// javascript 资源加载
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initScriptResource([
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var scriptUrls = [
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"https://gcore.jsdelivr.net/npm/markdown-it@14.1.0/dist/markdown-it.min.js",
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"https://gcore.jsdelivr.net/gh/highlightjs/cdn-release@11.11.1/build/highlight.min.js",
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"https://gcore.jsdelivr.net/npm/markdown-it-texmath@1.0.0/texmath.min.js",
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"https://gcore.jsdelivr.net/npm/katex@0.16.22/dist/katex.min.js"
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]).then(() => {
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];
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initDivLog();
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initScriptResource(scriptUrls).then(() => {
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// Anki 原来的逻辑执行完成后再转换内容
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setTimeout(() => {
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renderMarkDownFn();
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});
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}, 0);
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})
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/**
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@ -27,74 +27,43 @@
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*/
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function renderMarkDownFn() {
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try {
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document.querySelectorAll('.markdown-body').forEach((div) => {
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// 隐藏卡片
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hideQAContent()
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// 转换内容
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initAnkiMarkDownIt();
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initCensorUtil();
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document.querySelectorAll('.md-content').forEach((div) => {
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div.innerHTML = renderMarkDown(div.innerHTML);
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div.style.opacity = '1';
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div.className = "markdown-body";
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});
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// 显示卡片
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showQAContent()
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} catch (e) {
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DivLog.error("Error: " + e);
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}
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}
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function getAnkiMarkDownIt() {
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if (typeof AnkiMarkDownIt !== 'undefined') {
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DivLog.info("AnkiMarkDownIt is loaded!")
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return AnkiMarkDownIt;
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}
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DivLog.info("AnkiMarkDownIt did not load!")
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window.AnkiMarkDownIt = markdownit({
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// 配置参考:https://markdown-it.docschina.org/api/MarkdownIt.html#markdownit-new
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html: true,
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linkify: true,
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typographer: false, // 为 true 时,将 (C)、(R)、(TM) 转化为 ©、®、™
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breaks: true, // 为 true 时,将 \n 转化为 <br>
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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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}
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return '';
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}
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}).use(window.texmath, {
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engine: katex,
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// 数学公式标识符,参考:https://www.npmjs.com/package/markdown-it-texmath
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// 'dollars':$...$ or $$...$$
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// 'brackets': \(...\) or \[...\],这个标识符号是 Anki 默认的,不用解析
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delimiters: ['dollars'],
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// katex 的配置选项,参考:https://katex.org/docs/options
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katexOptions: {
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output: 'html',
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throwOnError: true, // true-页面展示解析异常,false-解析异常的公式展示原字符并标记为红色
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strict: (errorCode, errorMsg, token) => {
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DivLog.warn('Warn: ' + errorCode + ' ' + errorMsg + ' ' + token);
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return "ignore";
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}
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}
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});
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return window.AnkiMarkDownIt;
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}
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/**
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* 绘制内容为 markdown 网页格式
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* @param {string} text
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* @returns {string}
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*/
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function renderMarkDown(text) {
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DivLog.debug("==========================================");
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DivLog.debug("======================================");
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DivLog.debug("Original content:", text);
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// <code></code> 包裹的内容不做处理
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let code_tag_matches
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[text, code_tag_matches] = Censor.censorCodeTag(text);
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[text, code_tag_matches] = CensorUtil.censorCodeTag(text);
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if (code_tag_matches.length > 0) {
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DivLog.debug("After hide html tag <code></code>:", text);
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}
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// <mjx-container></mjx-container> 包裹的内容不做处理
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let mjx_tag_matches
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[text, mjx_tag_matches] = Censor.censorMJXTag(text);
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[text, mjx_tag_matches] = CensorUtil.censorMJXTag(text);
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if (mjx_tag_matches.length > 0) {
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DivLog.debug("After hide html tag <mjx-container></mjx-container>:", text);
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}
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@ -108,47 +77,19 @@
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DivLog.debug("After reverse some HTML tags:", text);
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// 转换成 markdown 网页格式
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text = getAnkiMarkDownIt().render(text);
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text = AnkiMarkDownIt.render(text);
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DivLog.debug("After markdown-it conversion:", text);
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// 还原隐藏的内容
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text = Censor.decensorMJXTag(text, mjx_tag_matches)
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text = Censor.decensorCodeTag(text, code_tag_matches)
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text = CensorUtil.decensorMJXTag(text, mjx_tag_matches)
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text = CensorUtil.decensorCodeTag(text, code_tag_matches)
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return text;
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}
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/**
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* 加载 javascript 资源
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* @param scriptUrls 多个资源地址数组
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* @returns {Promise<Awaited<unknown>[]>|Promise<void>}
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*/
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function initScriptResource(scriptUrls) {
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initMyClass();
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// 添加判断,避免重复加载
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if (typeof markdownit !== 'undefined') {
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DivLog.info("markdown-it is loaded!")
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return Promise.resolve();
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}
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DivLog.info("markdown-it did not load, re-adding triggers loading!")
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return Promise.all(scriptUrls.map(url => {
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return new Promise((resolve, reject) => {
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const script = document.createElement("script");
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script.onload = resolve;
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script.onerror = () => reject(new Error(`Failed to load script from ${url}`));
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script.src = url;
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document.head.appendChild(script);
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});
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})).catch(error => {
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DivLog.error(error);
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throw error;
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});
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}
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function initMyClass() {
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// 初始化-日志工具
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function initDivLog() {
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// 日志工具
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if (typeof DivLog === 'undefined') {
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window.DivLog = {
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@ -191,11 +132,10 @@
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msgContainer = document.createElement("div");
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msgContainer.id = "msgContainer";
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msgContainer.style.textAlign = "left";
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// 将日志信息放在最后一个 class="markdown-body" 的 div 的后面
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const divs = document.querySelectorAll("div.markdown-body");
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const lastDiv = divs.length > 0 ? divs[divs.length - 1] : null;
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if (lastDiv) {
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lastDiv.parentNode.appendChild(msgContainer);
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// 将日志信息放在最后
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let qa = document.getElementById("qa");
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if (qa) {
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qa.appendChild(msgContainer);
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}
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}
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return msgContainer
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@ -203,21 +143,94 @@
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clearLogDiv() {
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const msgContainer = document.getElementById("msgContainer");
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if (msgContainer) {
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msgContainer.innerHTML = "";
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msgContainer.remove();
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}
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}
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};
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}
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// 更新日志级别
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if (DivLog.LOG_LEVEL !== config_logLevel) {
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DivLog.LOG_LEVEL = config_logLevel;
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}
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// 清空日志
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DivLog.clearLogDiv();
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}
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// 隐藏特殊片段
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if (typeof Censor === 'undefined') {
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/**
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* 初始化-javascript 资源
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* @param scriptUrls 多个资源地址数组
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* @returns {Promise<Awaited<unknown>[]>|Promise<void>}
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*/
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function initScriptResource(scriptUrls) {
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if (typeof markdownit !== 'undefined') {
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DivLog.info("markdown-it is loaded!")
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return Promise.resolve();
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}
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DivLog.info("markdown-it did not load, re-adding triggers loading!")
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return Promise.all(scriptUrls.map(url => {
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return new Promise((resolve, reject) => {
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const script = document.createElement("script");
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script.onload = resolve;
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script.onerror = () => reject(new Error(`Failed to load script from ${url}`));
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script.src = url;
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document.head.appendChild(script);
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});
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})).catch(error => {
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DivLog.error(error);
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throw error;
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});
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}
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// 初始化-markdown-it
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function initAnkiMarkDownIt() {
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if (typeof AnkiMarkDownIt !== 'undefined') {
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DivLog.debug("AnkiMarkDownIt is init!")
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return;
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}
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DivLog.info("AnkiMarkDownIt did not init!")
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window.AnkiMarkDownIt = markdownit({
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// 配置参考:https://markdown-it.docschina.org/api/MarkdownIt.html#markdownit-new
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html: true,
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linkify: true,
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typographer: false, // 为 true 时,将 (C)、(R)、(TM) 转化为 ©、®、™
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breaks: true, // 为 true 时,将 \n 转化为 <br>
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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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}
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return '';
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}
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}).use(window.texmath, {
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engine: katex,
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// 数学公式标识符,参考:https://www.npmjs.com/package/markdown-it-texmath
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// 'dollars':$...$ or $$...$$
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// 'brackets': \(...\) or \[...\],这个标识符号是 Anki 默认的,
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// 但安卓端数学公式的解析是在页面加载完成后执行,这里的 Markdown 转换会破坏公式,还是需要将 'brackets' 配置上
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delimiters: ['dollars', 'brackets'],
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// katex 的配置选项,参考:https://katex.org/docs/options
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katexOptions: {
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output: 'html',
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throwOnError: false, // true-页面展示解析异常,false-解析异常的公式展示原字符并标记为红色
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strict: (errorCode, errorMsg, token) => {
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DivLog.warn('Warn: ' + errorCode + ' ' + errorMsg + ' ' + token);
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return "ignore";
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}
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}
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});
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}
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// 初始化-特殊片段隐藏工具
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function initCensorUtil() {
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if (typeof CensorUtil === 'undefined') {
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const ANKI_CODE_REGEXP = /<code[^>]*>([\s\S]*?)<\/code>/g;
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const ANKI_CODE_REPLACE = "ANKI_CODE_REPLACE";
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const ANKI_MJX_REGEXP = /<mjx-container[^>]*>([\s\S]*?)<\/mjx-container>/g;
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const ANKI_MJX_REPLACE = "ANKI_MJX_CONTAINER_REPLACE";
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window.Censor = {
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window.CensorUtil = {
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censorCodeTag: function (note_text) {
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return this._censor(note_text, ANKI_CODE_REGEXP, ANKI_CODE_REPLACE)
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},
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@ -247,4 +260,26 @@
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}
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}
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}
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// 隐藏卡片内容
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function hideQAContent() {
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// 卡片的内容都是放在 id 为 qa 的 div 中
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let qaElement = document.getElementById("qa");
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if (qaElement) {
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qaElement.style.opacity = "0";
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}
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}
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// 显示卡片内容
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function showQAContent() {
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let answerHr = document.getElementById("answer");
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if (answerHr) {
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answerHr.style.opacity = "1";
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}
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let qaElement = document.getElementById("qa");
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if (qaElement) {
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qaElement.style.opacity = "1";
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}
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}
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</script>
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@ -1,5 +1,5 @@
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{{FrontSide}}
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<hr id=answer>
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<hr id="answer" style="opacity: 0;">
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<div class="markdown-body">{{Back}}</div>
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<div class="md-content">{{背面}}</div>
|
||||
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