掘金下载 markdown 代码块解析优化

Author: 027xiguapi

package.json

@@ -1,7 +1,7 @@
 {
   "name": "code-box",
   "displayName": "__MSG_extensionName__",
-  "version": "0.7.5",
+  "version": "0.7.6",
   "description": "__MSG_extensionDescription__",
   "author": "027xiguapi. <458813868@qq.com>",
   "scripts": {
@@ -33,7 +33,7 @@
     "dayjs": "^1.11.12",
     "file-saver": "^2.0.5",
     "html2canvas": "^1.4.1",
-    "jspdf": "^2.5.1",
+    "jspdf": "^2.5.2",
     "jssha": "^3.3.1",
     "plasmo": "0.89.2",
     "react": "18.2.0",

patches/jspdf.patch

@@ -17,5 +17,32 @@ export default function Turndown() {
   // turndownService.keep(["h1", "h2"])
   turndownService.remove(["script", "style"])
 
+  turndownService.addRule("fencedCodeBlock", {
+    filter: function (node, options) {
+      return (
+        options.codeBlockStyle === "fenced" &&
+        node.nodeName === "PRE" &&
+        node.querySelector("code")
+      )
+    },
+
+    replacement: function (content, node, options) {
+      const className = node.querySelector("code").getAttribute("class") || ""
+      const language = (className.match(/lang-(\S+)/) ||
+        className.match(/language-(\S+)/) || [null, ""])[1]
+
+      return (
+        "\n\n" +
+        options.fence +
+        language +
+        "\n" +
+        node.querySelector("code").textContent +
+        "\n" +
+        options.fence +
+        "\n\n"
+      )
+    }
+  })
+
   return turndownService
 }