Added husky and lint (#9)

* Added husky with pre-commit cmd
* Added lint packages and configs
* Lint changes

---------

Signed-off-by: Saurabh Kamat <kamatsaurabh01@gmail.com>

.eslintrc.json

@@ -0,0 +1,24 @@
+{
+	"env": {
+		"commonjs": true,
+		"es6": true,
+		"node": true
+	},
+	"extends": [
+		"eslint:recommended",
+		"plugin:@typescript-eslint/eslint-recommended",
+		"plugin:prettier/recommended"
+	],
+	"globals": {
+		"Atomics": "readonly",
+		"SharedArrayBuffer": "readonly"
+	},
+	"parser": "@typescript-eslint/parser",
+	"parserOptions": {
+		"ecmaVersion": 2018,
+		"sourceType": "module"
+	},
+	"plugins": ["@typescript-eslint"],
+	"rules": {},
+	"ignorePatterns": ["dist", "coverage", "*.md", "*.yml", "*.yaml"]
+}

.github/workflows/pr.yml

@@ -0,0 +1,17 @@
+name: "PR checks"
+on:
+  pull_request:
+defaults:
+  run:
+    shell: bash
+jobs:
+  test_lint_and_build:
+    name: "Lint sources and check build artifacts"
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4.0.2
+        with:
+          node-version: "20.x"
+      - run: npm install && npm run lint
+      - run: npm run build && git diff --exit-code

.github/workflows/test.yml

@@ -8,6 +8,9 @@ on:
   schedule:
     # Run the CI automatically twice per day to look for flakyness.
     - cron: "0 */12 * * *"
+defaults:
+  run:
+    shell: bash
 jobs:
   test_gazebo_install_ubuntu:
     name: 'Check installation of Gazebo on Ubuntu'

.husky/pre-commit

@@ -0,0 +1 @@
+npx lint-staged

.lintstagedrc.js

@@ -0,0 +1,9 @@
+module.exports = {
+	"*": [
+		"eslint --cache --fix --config .eslintrc.json",
+		"prettier --write --config .prettierrc --ignore-path .prettierignore --ignore-unknown",
+		// Note: doing the build here ensures we omit unstaged changes
+		() => "npm run build",
+		() => "git add dist/index.js",
+	],
+};

.prettierignore

@@ -0,0 +1,5 @@
+dist
+coverage
+*.md
+*.yml
+*.yaml

.prettierrc

@@ -0,0 +1,6 @@
+{
+	"singleQuote": false,
+	"semi": true,
+	"tabWidth": 2,
+	"useTabs": true
+}

dist/index.js

@@ -26285,7 +26285,14 @@ function configOs() {
         yield utils.exec("sudo", ["bash", "-c", "echo 'Etc/UTC' > /etc/timezone"]);
         yield utils.exec("sudo", ["apt-get", "update"]);
         // Install tools required to configure the worker system.
-        yield apt.runAptGetInstall(["wget", "curl", "gnupg2", "locales", "lsb-release", "ca-certificates"]);
+        yield apt.runAptGetInstall([
+            "wget",
+            "curl",
+            "gnupg2",
+            "locales",
+            "lsb-release",
+            "ca-certificates",
+        ]);
         // Select a locale supporting Unicode.
         yield utils.exec("sudo", ["locale-gen", "en_US", "en_US.UTF-8"]);
         core.exportVariable("LANG", "en_US.UTF-8");