Add CI workflow to lint TypeScript and JavaScript code

.eslintrc.yml

@@ -0,0 +1,24 @@
+# Source: https://github.com/per1234/.github/blob/main/workflow-templates/assets/check-typescript/.eslintrc.yml
+# See: https://github.com/typescript-eslint/typescript-eslint/blob/main/docs/linting/README.md#configuration
+# The code style defined in this file is the official standardized style to be used in all Arduino projects and should
+# not be modified.
+
+extends:
+  - airbnb-typescript/base
+  - prettier
+  - 'eslint:recommended'
+  - 'plugin:@typescript-eslint/recommended'
+  - 'plugin:import/recommended'
+plugins:
+  - "@typescript-eslint"
+parser: "@typescript-eslint/parser"
+parserOptions:
+  project:
+    - "./tsconfig.eslint.json"
+rules:
+  max-len:
+    - error
+    - code: 180
+  no-console: "off"
+  no-underscore-dangle: "off"
+root: true

.github/workflows/check-typescript-task.yml

@@ -0,0 +1,58 @@
+# Source: https://github.com/per1234/.github/blob/main/workflow-templates/check-typescript-task.md
+name: Check TypeScript
+
+env:
+  # See: https://github.com/actions/setup-node/#readme
+  NODE_VERSION: 16.x
+
+# See: https://docs.github.com/en/actions/reference/events-that-trigger-workflows
+on:
+  push:
+    paths:
+      - ".github/workflows/check-typescript-task.ya?ml"
+      - ".eslintignore"
+      - "**/.eslintrc*"
+      - "package.json"
+      - "package-lock.json"
+      - "Taskfile.ya?ml"
+      - "tsconfig.eslint.json"
+      - "tsconfig.json"
+      - "**.[jt]sx?"
+  pull_request:
+    paths:
+      - ".github/workflows/check-typescript-task.ya?ml"
+      - ".eslintignore"
+      - "**/.eslintrc*"
+      - "package.json"
+      - "package-lock.json"
+      - "Taskfile.ya?ml"
+      - "tsconfig.eslint.json"
+      - "tsconfig.json"
+      - "**.[jt]sx?"
+  workflow_dispatch:
+  repository_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  check:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{ env.NODE_VERSION }}
+
+      - name: Install Task
+        uses: arduino/setup-task@v1
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+          version: 3.x
+
+      - name: Lint
+        run: task ts:lint | true

README.md

@@ -8,6 +8,7 @@
 [![Check Taskfiles status](https://github.com/arduino/setup-protoc/actions/workflows/check-taskfiles.yml/badge.svg)](https://github.com/arduino/setup-protoc/actions/workflows/check-taskfiles.yml)
 [![Integration Tests status](https://github.com/arduino/setup-protoc/actions/workflows/test-integration.yml/badge.svg)](https://github.com/arduino/setup-protoc/actions/workflows/test-integration.yml)
 [![Check npm status](https://github.com/arduino/setup-protoc/actions/workflows/check-npm-task.yml/badge.svg)](https://github.com/arduino/setup-protoc/actions/workflows/check-npm-task.yml)
+[![Check TypeScript status](https://github.com/arduino/setup-protoc/actions/workflows/check-typescript-task.yml/badge.svg)](https://github.com/arduino/setup-protoc/actions/workflows/check-typescript-task.yml)
 
 This action makes the `protoc` compiler available to Workflows.
 

Taskfile.yml

@@ -228,3 +228,16 @@ tasks:
         else
           echo "{{.RAW_PATH}}"
         fi
+  ts:lint:
+    desc: Lint TypeScript code
+    deps:
+      - task: npm:install-deps
+    cmds:
+      - npx eslint --ext .js,.jsx,.ts,.tsx .
+
+  ts:fix-lint:
+    desc: Fix TypeScript code linting violations
+    deps:
+      - task: npm:install-deps
+    cmds:
+      - npx eslint --ext .js,.jsx,.ts,.tsx --fix .