Add linting, formatting, and type checking via CI and pre-commit hooks #1

	name: Lint and Type-checking

	on:
	push:
	branches:
	- main
	- dev
	pull_request:
	branches:
	- main
	- dev

	jobs:
	lint:
	name: ESLint & Prettier
	runs-on: ubuntu-latest

	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	- name: Setup Node.js
	uses: actions/setup-node@v4
	with:
	node-version: '18'

	- name: Install dependencies
	run: npm ci

	- name: Get list of changed files
	id: files
	run: \|
	echo "CHANGED_FILES=$(git diff --name-only --diff-filter=ACMRT origin/${{ github.base_ref \|\| github.ref_name }} \| tr '\n' ' ')" >> $GITHUB_ENV

	- name: Lint JS/TS files with ESLint (no auto-fix)
	if: ${{ env.CHANGED_FILES != ''}}
	run: \|
	FILES=$(echo "$CHANGED_FILES" \| tr ' ' '\n' \| grep -E '\.(js\|jsx\|ts\|tsx)$' \| xargs)
	if [ -n "$FILES" ]; then
	echo "Running ESLint on:"
	echo "$FILES"
	npx next lint --file $FILES
	else
	echo "No JS/TS files to lint."
	fi

	- name: Format other files with Prettier
	if: ${{ env.CHANGED_FILES != ''}}
	run: \|
	FILES=$(echo "$CHANGED_FILES" \| tr ' ' '\n' \| grep -E '\.(json\|md\|css\|scss\|html)$' \| xargs)
	if [ -n "$FILES" ]; then
	echo "Running Prettier on:"
	echo "$FILES"
	npx prettier --check $FILES
	else
	echo "No files to format with Prettier."
	fi

	- name: Type Check
	run: \|
	echo "Running TypeScript type checking..."
	npx tsc --noEmit

	type-check:
	name: Type Checking
	runs-on: ubuntu-latest

	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	- name: Setup Node.js
	uses: actions/setup-node@v4
	with:
	node-version: '18'

	- name: Install dependencies
	run: npm ci

	- name: Type Check
	run: \|
	echo "Running TypeScript type checking..."
	npx tsc --noEmit

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