Fix backend-core build

packages/backend-core/package.json

@@ -21,7 +21,7 @@
   "scripts": {
     "prebuild": "rimraf dist/",
     "prepack": "cp package.json dist",
-    "build": "tsc -p tsconfig.build.json --paths null && node ./scripts/build.js",
+    "build": "node ./scripts/build.js && tsc -p tsconfig.build.json --emitDeclarationOnly --paths null",
     "build:dev": "yarn prebuild && tsc --build --watch --preserveWatchOutput",
     "build:oss": "node ./scripts/build.js",
     "check:types": "tsc -p tsconfig.json --noEmit --paths null --target es2020",

packages/backend-core/tsconfig.build.json

@@ -1,6 +1,8 @@
 {
   "extends": "../../tsconfig.build.json",
-  "include": ["**/*.js", "**/*.ts"],
+  "compilerOptions": {
+    "outDir": "dist"
+  },
   "exclude": [
     "node_modules",
     "dist",