[v4] setup `@typescript-eslint/no-unnecessary-condition` rule and fix warnings #3255

	name: Test

	on:
	pull_request:
	branches: [main, v4-v2]

	jobs:
	test:
	name: Test (${{matrix.os}})
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-latest, windows-latest]

	steps:
	- name: Cancel Previous Runs
	uses: styfle/[email protected]
	with:
	access_token: ${{ github.token }}

	- name: Check out code
	uses: actions/checkout@v4

	- name: Cache turbo build setup
	uses: actions/cache@v4
	with:
	path: .turbo
	key: ${{ runner.os }}-turbo-${{ github.sha }}
	restore-keys: \|
	${{ runner.os }}-turbo-

	- name: Install pnpm
	uses: pnpm/action-setup@v4

	- name: Install Node.js
	uses: actions/setup-node@v4
	with:
	node-version-file: .node-version
	cache: pnpm

	- name: Install Dependencies
	run: pnpm i

	- name: Build All
	run: pnpm build:all

	- name: Test
	run: pnpm test

	- name: Clean
	run: pnpm clean

	- name: Type Check
	run: pnpm types:check

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