From d6be50326c939c0bff99024b5a14a4820ecb27e0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Weslley=20Ara=C3=BAjo?=
 <46850407+wellwelwel@users.noreply.github.com>
Date: Sun, 16 Apr 2023 08:28:27 -0300
Subject: [PATCH] ci: Adding TypeScript build test (#1957)

---
 .github/workflows/ci-tsc-build.yml | 38 ++++++++++++++++++++++++++++++
 package.json                       |  1 +
 test/tsc-build/index.ts            |  4 ++++
 test/tsc-build/tsconfig.json       | 18 ++++++++++++++
 4 files changed, 61 insertions(+)
 create mode 100644 .github/workflows/ci-tsc-build.yml
 create mode 100644 test/tsc-build/index.ts
 create mode 100644 test/tsc-build/tsconfig.json

diff --git a/.github/workflows/ci-tsc-build.yml b/.github/workflows/ci-tsc-build.yml
new file mode 100644
index 0000000000..4f59642344
--- /dev/null
+++ b/.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
diff --git a/package.json b/package.json
index 3f4f48cc66..ce4cbd9896 100644
--- a/package.json
+++ b/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\"",
diff --git a/test/tsc-build/index.ts b/test/tsc-build/index.ts
new file mode 100644
index 0000000000..1956ed7467
--- /dev/null
+++ b/test/tsc-build/index.ts
@@ -0,0 +1,4 @@
+import mysql from '../../index';
+import mysqlp from '../../promise';
+
+export { mysql, mysqlp };
diff --git a/test/tsc-build/tsconfig.json b/test/tsc-build/tsconfig.json
new file mode 100644
index 0000000000..6f7c8c0b7c
--- /dev/null
+++ b/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
+   }
+}