Type check with Typescript compiler

Author: giggio

.github/workflows/build.yml

@@ -52,6 +52,9 @@ jobs:
       - run: npm run lint .
         name: Lint
         if: matrix.runner == 'ubuntu-latest'
+      - run: npm run typecheck
+        name: Type check
+        if: matrix.runner == 'ubuntu-latest'
       - run: |
           set -euo pipefail
           sudo apt-get update

install.js

@@ -247,6 +247,7 @@ function getRequestOptions(downloadPath) {
  */
 async function getChromeDriverVersion(requestOptions) {
   console.log('Finding Chromedriver version.');
+  // @ts-expect-error
   const response = await axios.request(requestOptions);
   chromedriver_version = response.data.trim();
   console.log(`Chromedriver version is ${chromedriver_version}.`);
@@ -261,6 +262,7 @@ async function requestBinary(requestOptions, filePath) {
   const outFile = fs.createWriteStream(filePath);
   let response;
   try {
+    // @ts-expect-error
     response = await axios.request({ responseType: 'stream', ...requestOptions });
   } catch (error) {
     if (error && error.response) {

package-lock.json

@@ -24,6 +24,7 @@
   "scripts": {
     "install": "node install.js",
     "update-chromedriver": "node update.js",
+    "typecheck": "tsc",
     "lint": "eslint"
   },
   "dependencies": {
@@ -36,7 +37,8 @@
     "tcp-port-used": "^1.0.1"
   },
   "devDependencies": {
-    "eslint": "^8.26.0"
+    "eslint": "^8.26.0",
+    "typescript": "^4.8.4"
   },
   "engines": {
     "node": ">=10"

package.json

@@ -0,0 +1,17 @@
+{
+  "compilerOptions": {
+    "module": "commonjs",
+    "target": "ES2020",
+    "sourceMap": false,
+    "allowJs": true,
+    "checkJs": true,
+    "skipLibCheck": true,
+    "noEmit": true
+  },
+  "include": [
+    "**/*.js"
+  ],
+  "exclude": [
+    "node_modules"
+  ]
+}

tsconfig.json

@@ -9,6 +9,7 @@ const CURRENT_VERSION = require('./lib/chromedriver').version;
 async function getLatest() {
   const requestOptions = { url: 'https://chromedriver.storage.googleapis.com/LATEST_RELEASE', method: "GET" };
   try {
+    // @ts-expect-error
     const response = await axios(requestOptions);
     return response.data.trim();
   } catch (err) {