chore: move to monorepo (#1297)

* chore: move to monorepo

* lint all js file

* simplify circleCI

* fix failing tests

* fix tests due to folder rename

* fix test since v1 website is renamed

packages/docusaurus-1.x/lib/core/renderMarkdown.js

@@ -0,0 +1,123 @@
+/**
+ * Copyright (c) 2017-present, Facebook, Inc.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+const hljs = require('highlight.js');
+const Markdown = require('remarkable');
+const prismjs = require('prismjs');
+const deepmerge = require('deepmerge');
+const chalk = require('chalk');
+const anchors = require('./anchors.js');
+
+const CWD = process.cwd();
+
+const alias = {
+  js: 'jsx',
+  html: 'markup',
+  sh: 'bash',
+  md: 'markdown',
+};
+
+class MarkdownRenderer {
+  constructor() {
+    const siteConfig = require(`${CWD}/siteConfig.js`);
+    let markdownOptions = {
+      // Highlight.js expects hljs css classes on the code element.
+      // This results in <pre><code class="hljs css languages-jsx">
+      langPrefix: 'hljs css language-',
+      highlight(str, lang) {
+        // User's own custom highlighting function
+        if (siteConfig.highlight && siteConfig.highlight.hljs) {
+          siteConfig.highlight.hljs(hljs);
+        }
+        // Fallback to default language
+        lang =
+          lang || (siteConfig.highlight && siteConfig.highlight.defaultLang);
+        if (lang === 'text') {
+          return str;
+        }
+        if (lang) {
+          try {
+            if (
+              siteConfig.usePrism === true ||
+              (siteConfig.usePrism &&
+                siteConfig.usePrism.length > 0 &&
+                siteConfig.usePrism.indexOf(lang) !== -1)
+            ) {
+              const language = alias[lang] || lang;
+              try {
+                // Currently people using prismjs on Node have to individually require()
+                // every single language (https://github.com/PrismJS/prism/issues/593)
+                require(`prismjs/components/prism-${language}.min`);
+                return prismjs.highlight(str, prismjs.languages[language]);
+              } catch (err) {
+                if (err.code === 'MODULE_NOT_FOUND') {
+                  const unsupportedLanguageError = chalk.yellow(
+                    `Warning: ${chalk.red(
+                      language,
+                    )} is not supported by prismjs.` +
+                      '\nPlease refer to https://prismjs.com/#languages-list for the list of supported languages.',
+                  );
+                  console.log(unsupportedLanguageError);
+                } else console.error(err);
+              }
+            }
+            if (hljs.getLanguage(lang)) {
+              return hljs.highlight(lang, str).value;
+            }
+          } catch (err) {
+            console.error(err);
+          }
+        }
+
+        try {
+          return hljs.highlightAuto(str).value;
+        } catch (err) {
+          console.error(err);
+        }
+
+        return '';
+      },
+      html: true,
+      linkify: true,
+    };
+
+    // Allow overriding default options
+    if (siteConfig.markdownOptions) {
+      markdownOptions = deepmerge(
+        {},
+        markdownOptions,
+        siteConfig.markdownOptions,
+      );
+    }
+
+    const md = new Markdown(markdownOptions);
+
+    // Register anchors plugin
+    md.use(anchors);
+
+    // Allow client sites to register their own plugins
+    if (siteConfig.markdownPlugins) {
+      siteConfig.markdownPlugins.forEach(plugin => {
+        md.use(plugin);
+      });
+    }
+
+    this.md = md;
+  }
+
+  toHtml(source) {
+    const html = this.md.render(source);
+
+    // Ensure fenced code blocks use Highlight.js hljs class
+    // https://github.com/jonschlinkert/remarkable/issues/224
+    return html.replace(/<pre><code>/g, '<pre><code class="hljs">');
+  }
+}
+
+const renderMarkdown = new MarkdownRenderer();
+
+module.exports = source => renderMarkdown.toHtml(source);