Merge pull request #113 from tancredi/test-ts-config

Type-checking on CI, separate testing TS project

.github/workflows/test.yaml

@@ -26,6 +26,7 @@ jobs:
             ${{ runner.os }}-node-v${{ env.NODE }}-${{ hashFiles('package.json') }}-${{ hashFiles('package-lock.json') }}
       - run: npm ci
       - run: npm run lint
+      - run: npm run typecheck
 
   test:
     if: "!contains(github.event.head_commit.message, 'skip ci')"

package.json

@@ -27,6 +27,7 @@
     "test": "jest",
     "build": "rimraf lib && tsc --project ./tsconfig.json",
     "watch": "npm run build -- --watch",
+    "typecheck": "tsc --noEmit --project tsconfig.test.json --noEmit",
     "lint": "prettier --check ."
   },
   "files": [
@@ -68,7 +69,12 @@
   "jest": {
     "preset": "ts-jest",
     "testEnvironment": "node",
-    "rootDir": "./src"
+    "rootDir": "./src",
+    "globals": {
+      "ts-jest": {
+        "tsconfig": "./tsconfig.test.json"
+      }
+    }
   },
   "engines": {
     "node": ">= 10.0.0"

tsconfig.json

@@ -9,14 +9,13 @@
     "rootDir": "src",
     "sourceMap": true,
     "target": "ES6",
-    "types": ["node", "jest"]
+    "types": ["node"]
   },
   "typeRoots": ["node_modules/@types"],
   "exclude": [
     "node_modules",
     "lib",
     "src/**/__mocks__/*.ts",
     "src/**/__tests__/*.ts"
-  ],
-  "include": ["src/**/*.ts"]
+  ]
 }

tsconfig.test.json

@@ -0,0 +1,6 @@
+{
+  "extends": "./tsconfig.json",
+  "compilerOptions": { "noEmit": true, "types": ["node", "jest"] },
+  "exclude": ["node_modules"],
+  "include": ["src/**/__mocks__/*.ts", "src/**/__tests__/*.ts"]
+}