实现 tesseract 的核心部分打包

service/src/main.ts

@@ -5,6 +5,7 @@ import { routeMessage } from './common/router';
 import { VSCodeWebViewLike } from './hook/adapter';
 import path from 'node:path';
 import * as fs from 'node:fs';
+import { setRunningCWD } from './hook/setting';
 
 export interface VSCodeMessage {
     command: string;
@@ -94,6 +95,9 @@ function updateConnectionOption(data: any) {
     }
 }
 
+const devHome = path.join(__dirname, '..', '..');
+setRunningCWD(devHome);
+
 wss.on('connection', ws => {
 
     // 仿造 webview 进行统一接口访问

service/src/mcp/ocr.service.ts

@@ -47,17 +47,23 @@ export async function tesseractOCR(
     logger: (message: Tesseract.LoggerMessage) => void,
     lang: string = 'eng+chi_sim'
 ) {
-    
+    const ocrHome = path.join(RUNNING_CWD, 'resources', 'ocr');
+
+    if (!ocrHome) {
+        console.log('ocr 目录不存在');
+        return '安装包已经损坏';
+    }
+
     try {
         const { data: { text } } = await Tesseract.recognize(
             imagePath,
             lang,
             {
                 logger,
-                langPath: './',
                 gzip: false,
-                cacheMethod: 'cache',
-                cachePath: RUNNING_CWD
+                langPath: ocrHome,
+                corePath: ocrHome,
+                workerPath: path.join(ocrHome, 'worker.js'),
             }
         );
 

src/hook/hook.controller.ts

@@ -14,8 +14,9 @@ export class HookController {
             console.log('test ocr begin');
 
             const cachePath = context.extensionPath;
-            const workerPath = path.join(cachePath, 'resources', 'ocr', 'tesseract-core.js');
-            const corePath = path.join(cachePath, 'resources', 'ocr', 'tesseract-core.wasm');
+            const workerPath = path.join(cachePath, 'resources', 'ocr', 'worker.js');
+            const corePath = path.join(cachePath, 'resources', 'ocr');
+            const langPath = path.join(cachePath,'resources', 'ocr');
 
             console.log('workerPath', workerPath);
             console.log('corePath', corePath);
@@ -26,10 +27,8 @@ export class HookController {
                 'eng+chi_sim',
                 {
                     logger: (m) => console.log(m),
-                    langPath: './',
+                    langPath,
                     gzip: false,
-                    cacheMethod: 'cache',
-                    cachePath,
                     workerPath,
                     corePath 
                 }