test(types): add public type checks (#186)

Author: chenjiahan

package.json

@@ -29,8 +29,9 @@
     "lint": "rslint",
     "lint:write": "rslint --fix",
     "prettier:ci": "prettier --check .",
-    "test": "pnpm run test:install && pnpm run build && rstest",
-    "test:install": "cross-env ./node_modules/.bin/puppeteer browsers install chrome"
+    "test": "pnpm run test:install && pnpm run test:type && rstest",
+    "test:install": "cross-env ./node_modules/.bin/puppeteer browsers install chrome",
+    "test:type": "pnpm run build && pnpm --dir tests run type-check"
   },
   "simple-git-hooks": {
     "pre-commit": "npx nano-staged"

tests/package.json

@@ -2,6 +2,9 @@
   "name": "tests",
   "private": true,
   "type": "commonjs",
+  "scripts": {
+    "type-check": "pnpm exec tsc -p type-tests/resolution-bundler/tsconfig.json && pnpm exec tsc -p type-tests/resolution-nodenext/tsconfig.json"
+  },
   "devDependencies": {
     "@module-federation/runtime-tools": "^2.1.0",
     "@rspack/dev-server": "workspace:*"

tests/type-tests/resolution-bundler/index.ts

@@ -0,0 +1,9 @@
+// This folder disables `skipLibCheck` to check the public types of @rspack/dev-server.
+import '@rspack/dev-server/client/index';
+import { RspackDevServer } from '@rspack/dev-server';
+import type { Configuration } from '@rspack/dev-server';
+
+const config: Configuration = {};
+
+void config;
+void RspackDevServer;

tests/type-tests/resolution-bundler/tsconfig.json

@@ -0,0 +1,11 @@
+{
+  "compilerOptions": {
+    "module": "ES2022",
+    "moduleResolution": "bundler",
+    "target": "ES2023",
+    "strict": true,
+    "skipLibCheck": false,
+    "noEmit": true
+  },
+  "include": ["index.ts"]
+}

tests/type-tests/resolution-nodenext/index.ts

@@ -0,0 +1,9 @@
+// This folder disables `skipLibCheck` to check the public types of @rspack/dev-server.
+import '@rspack/dev-server/client/index.js';
+import { RspackDevServer } from '@rspack/dev-server';
+import type { Configuration } from '@rspack/dev-server';
+
+const config: Configuration = {};
+
+void config;
+void RspackDevServer;

tests/type-tests/resolution-nodenext/tsconfig.json

@@ -0,0 +1,11 @@
+{
+  "compilerOptions": {
+    "module": "NodeNext",
+    "moduleResolution": "NodeNext",
+    "target": "ES2023",
+    "strict": true,
+    "skipLibCheck": false,
+    "noEmit": true
+  },
+  "include": ["index.ts"]
+}