ci: Adding TypeScript build test (#1957)

.github/workflows/ci-tsc-build.yml

@@ -0,0 +1,38 @@
+name: CI - TypeScript Build
+
+on:
+  pull_request:
+  push:
+    branches: [ main ]
+
+  workflow_dispatch:
+
+jobs:
+  tests-tsc-build:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        node-version: [18.x]
+
+    name: Node.js ${{ matrix.node-version }}
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Set up Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{ matrix.node-version }}
+
+      - name: Cache dependencies
+        uses: actions/cache@v3
+        with:
+          path: ~/.npm
+          key: npm-${{ hashFiles('package-lock.json') }}
+          restore-keys: npm-
+
+      - name: Install npm dependencies
+        run: npm ci
+
+      - name: Testing TypeScript build
+        run: npm run test:tsc-build

package.json

@@ -12,6 +12,7 @@
     "lint:code": "eslint index.js promise.js \"lib/**/*.js\" \"test/**/*.js\" \"benchmarks/**/*.js\"",
     "lint:docs": "eslint Contributing.md \"documentation/**/*.md\" \"examples/*.js\"",
     "test": "node ./test/run.js",
+    "test:tsc-build": "cd \"test/tsc-build\" && npx tsc -p \"tsconfig.json\"",
     "coverage-test": "c8 -r cobertura -r lcov -r text node ./test/run.js",
     "benchmark": "node ./benchmarks/benchmark.js",
     "prettier": "prettier --single-quote --trailing-comma none --write \"{lib,examples,test}/**/*.js\"",

test/tsc-build/index.ts

@@ -0,0 +1,4 @@
+import mysql from '../../index';
+import mysqlp from '../../promise';
+
+export { mysql, mysqlp };

test/tsc-build/tsconfig.json

@@ -0,0 +1,18 @@
+{
+   "include": ["index.ts"],
+   "compilerOptions": {
+      "target": "ES2016",
+      "module": "CommonJS",
+      "moduleResolution": "Node",
+      "isolatedModules": true,
+      "esModuleInterop": true,
+      "allowSyntheticDefaultImports": true,
+      "strict": true,
+      "alwaysStrict": true,
+      "noImplicitAny": true,
+		"strictFunctionTypes": false,
+      "skipLibCheck": false,
+      "noEmitOnError": true,
+      "noEmit": true
+   }
+}