fix: upload file (#2992)

* fix: upload file

* chore: remove wasm, support html image parse

* chore: adjust

* chore: move base64match function into htmlstr2md

packages/service/worker/htmlStr2Md/utils.ts

@@ -1,7 +1,14 @@
 import TurndownService from 'turndown';
+import { ImageType } from '../readFile/type';
+// @ts-ignore
 const turndownPluginGfm = require('joplin-turndown-plugin-gfm');
 
-export const html2md = (html: string): string => {
+export const html2md = (
+  html: string
+): {
+  rawText: string;
+  imageList: ImageType[];
+} => {
   const turndownService = new TurndownService({
     headingStyle: 'atx',
     bulletListMarker: '-',
@@ -15,12 +22,32 @@ export const html2md = (html: string): string => {
 
   try {
     turndownService.remove(['i', 'script', 'iframe', 'style']);
-
     turndownService.use(turndownPluginGfm.gfm);
 
-    return turndownService.turndown(html);
+    const base64Regex = /"(data:image\/[^;]+;base64[^"]+)"/g;
+    const imageList: ImageType[] = [];
+    const images = Array.from(html.match(base64Regex) || []);
+    for (const image of images) {
+      const uuid = crypto.randomUUID();
+      const mime = image.split(';')[0].split(':')[1];
+      const base64 = image.split(',')[1];
+      html = html.replace(image, uuid);
+      imageList.push({
+        uuid,
+        base64,
+        mime
+      });
+    }
+
+    return {
+      rawText: turndownService.turndown(html),
+      imageList
+    };
   } catch (error) {
     console.log('html 2 markdown error', error);
-    return '';
+    return {
+      rawText: '',
+      imageList: []
+    };
   }
 };