Type-check generated server code when building

waspc/ChangeLog.md

@@ -42,6 +42,7 @@ Follow the [the official migration guide](https://wasp.sh/docs/migration-guides/
 - Modernized our TypeScript support for bundlers ([#2656](https://github.com/wasp-lang/wasp/pull/2656))
 - Added support for jump-to-definition for Wasp symbols ([#2656](https://github.com/wasp-lang/wasp/pull/2656))
 - `userSignupFields` types are now correctly propagated to client auth methods. ([#2641](https://github.com/wasp-lang/wasp/pull/2641))
+- The generated server code is now type-checked before building ([#2778](https://github.com/wasp-lang/wasp/pull/2778))
 
 ## 0.16.5
 

waspc/cli/src/Wasp/Cli/Command/Build.hs

@@ -34,6 +34,7 @@ import Wasp.Project.Common
     packageJsonInWaspProjectDir,
     packageLockJsonInWaspProjectDir,
     srcDirInWaspProjectDir,
+    srcTsConfigInWaspLangProject,
   )
 import Wasp.Util.IO (copyDirectory, copyFile, doesDirectoryExist, removeDirectory)
 import Wasp.Util.Json (updateJsonFile)
@@ -104,6 +105,7 @@ build = do
 
       let packageJsonInBuildDir = buildDir </> castRel packageJsonInWaspProjectDir
       let packageLockJsonInBuildDir = buildDir </> castRel packageLockJsonInWaspProjectDir
+      let tsconfigJsonInBuildDir = buildDir </> castRel srcTsConfigInWaspLangProject
 
       liftIO $
         copyFile
@@ -115,6 +117,13 @@ build = do
           (waspProjectDir </> packageLockJsonInWaspProjectDir)
           packageLockJsonInBuildDir
 
+      -- We need the main tsconfig.json file since the built server's TS config
+      -- extends from it.
+      liftIO $
+        copyFile
+          (waspProjectDir </> srcTsConfigInWaspLangProject)
+          tsconfigJsonInBuildDir
+
       -- A hacky quick fix for https://github.com/wasp-lang/wasp/issues/2368
       -- We should remove this code once we implement a proper solution.
       ExceptT $ updateJsonFile removeWaspConfigFromDevDependenciesArray packageJsonInBuildDir

waspc/data/Generator/templates/Dockerfile

@@ -33,6 +33,7 @@ WORKDIR /app
 COPY src ./src
 COPY package.json .
 COPY package-lock.json .
+COPY tsconfig.json .
 COPY server .wasp/build/server
 COPY sdk .wasp/out/sdk
 # Install npm packages, resulting in node_modules/.

waspc/data/Generator/templates/server/package.json

@@ -6,7 +6,7 @@
   "type": "module",
   "comment-filip": "The server.js location changed because we have now included client source files above .wasp/out/server/src.",
   "scripts": {
-    "bundle": "rollup --config --silent",
+    "bundle": "tsc --build && rollup --config --silent",
     "start": "node --enable-source-maps -r dotenv/config bundle/server.js",
     "bundle-and-start": "npm run bundle && npm run start",
     "watch": "nodemon --exec 'npm run bundle-and-start || exit 1'",