feat(kb): Support programming languages

package.json

@@ -42,7 +42,6 @@
     "localforage": "^1.10.0",
     "marked": "^14.0.0",
     "marked-highlight": "^2.1.4",
-    "mime": "^4.0.4",
     "ml-distance": "^4.0.1",
     "pdfjs-dist": "^4.5.136",
     "pinia": "^2.2.1",

src/utils/knowledge/embedding.ts

@@ -43,8 +43,29 @@ const getTextSplitter = (
   chunkOverlap: number,
 ): MarkdownTextSplitter | RecursiveCharacterTextSplitter => {
   switch (fileType) {
-    case 'text/markdown':
-      return new MarkdownTextSplitter();
+    case 'markdown':
+    case 'html':
+    case 'cpp':
+    case 'go':
+    case 'java':
+    case 'js':
+    case 'php':
+    case 'proto':
+    case 'rst':
+    case 'scala':
+    case 'swift':
+    case 'sol':
+      return RecursiveCharacterTextSplitter.fromLanguage(fileType);
+    case 'ts':
+      return RecursiveCharacterTextSplitter.fromLanguage('js');
+    case 'py':
+      return RecursiveCharacterTextSplitter.fromLanguage('python');
+    case 'rb':
+      return RecursiveCharacterTextSplitter.fromLanguage('ruby');
+    case 'rs':
+      return RecursiveCharacterTextSplitter.fromLanguage('rust');
+    case 'md':
+      return RecursiveCharacterTextSplitter.fromLanguage('markdown');
     default:
       return new RecursiveCharacterTextSplitter({
         chunkSize,

src/utils/knowledge/parsing.ts

@@ -1,8 +1,27 @@
-import mime from 'mime';
 import * as pdfjs from 'pdfjs-dist';
 import { TextItem } from 'pdfjs-dist/types/src/display/api';
 
-export const supportedInputFiles = ['.txt', '.md', '.pdf'].join(',');
+export const supportedInputFiles = [
+  '.txt',
+  '.md',
+  '.markdown',
+  '.pdf',
+  '.html',
+  '.cpp',
+  '.go',
+  '.java',
+  '.js',
+  '.ts',
+  '.php',
+  '.proto',
+  '.py',
+  '.rst',
+  '.rb',
+  '.rs',
+  '.scala',
+  '.swift',
+  '.sol',
+].join(',');
 
 const extractTextFromPdfFile = async (file: File): Promise<string> => {
   const pdfUrl = URL.createObjectURL(file);
@@ -27,15 +46,31 @@ const extractTextFromPdfFile = async (file: File): Promise<string> => {
 
 export const extractFileContent = async (file: File): Promise<{ type: string; content: string }> => {
   let extractedText = '';
-  const fileType = mime.getType(file.name) ?? file.type;
+  const fileType = file.name.split('.').pop();
 
   try {
     switch (fileType) {
-      case 'application/pdf':
+      case 'pdf':
         extractedText = await extractTextFromPdfFile(file);
         break;
-      case 'text/markdown':
-      case 'text/plain':
+      case 'markdown':
+      case 'md':
+      case 'txt':
+      case 'html':
+      case 'cpp':
+      case 'go':
+      case 'java':
+      case 'js':
+      case 'ts':
+      case 'php':
+      case 'proto':
+      case 'py':
+      case 'rst':
+      case 'rb':
+      case 'rs':
+      case 'scala':
+      case 'swift':
+      case 'sol':
         extractedText = await new Promise((resolve, reject) => {
           const reader = new FileReader();
           reader.onload = (event) => resolve(event.target!.result as string);