Attempt to drop babel and tsc in favor or swc to speed up build time

.github/workflows/build-oss.yml

@@ -126,7 +126,7 @@ jobs:
       - name: Build MCP Server (OSS)
         env:
           PACKMIND_EDITION: ${{ env.OSS_EDITION }}
-        run: ./node_modules/.bin/nx build mcp-server
+        run: ./node_modules/.bin/nx build mcp-server --parallel=4
       - name: Test MCP Server (OSS)
         env:
           PACKMIND_EDITION: ${{ env.OSS_EDITION }}

apps/api/webpack.config.js

@@ -55,9 +55,23 @@ module.exports = {
       {
         test: /\.ts$/,
         use: {
-          loader: 'ts-loader',
+          loader: 'swc-loader',
           options: {
-            configFile: join(__dirname, 'tsconfig.app.json'),
+            jsc: {
+              parser: {
+                syntax: 'typescript',
+                decorators: true,
+              },
+              target: 'es2022',
+              transform: {
+                legacyDecorator: true,
+                decoratorMetadata: true,
+              },
+              keepClassNames: true,
+            },
+            module: {
+              type: 'commonjs',
+            },
           },
         },
         exclude: /node_modules/,

jest.preset.ts

@@ -6,11 +6,13 @@ export const nxPreset = {
   coverageReporters: ['html'],
   setupFilesAfterEnv: ['<rootDir>/../../jest.setup.ts'],
   transform: {
-    '^.+\\.(ts|js|html)$': [
-      'ts-jest',
+    '^.+\\.[tj]sx?$': [
+      '@swc/jest',
       {
-        tsconfig: '<rootDir>/tsconfig.spec.json',
-        isolatedModules: true, // Faster compilation, less memory
+        jsc: {
+          parser: { syntax: 'typescript', tsx: true },
+          target: 'es2022',
+        },
       },
     ],
   },

nx.json

@@ -93,6 +93,11 @@
       "dependsOn": ["^build"],
       "inputs": ["default", "^default"]
     },
+    "@nx/js:swc": {
+      "cache": true,
+      "dependsOn": ["^build"],
+      "inputs": ["default", "^default"]
+    },
     "typecheck": {
       "cache": true,
       "inputs": ["default", "^default", "{workspaceRoot}/tsconfig.base.json"]