yarnからnpmに変更 #8

	name: ci
	on:
	push:

	jobs:
	test:
	name: Build and Test
	timeout-minutes: 15
	runs-on: ubuntu-latest
	steps:
	- name: Check out code
	uses: actions/checkout@v4
	with:
	fetch-depth: 2
	- name: Setup Node.js environment
	uses: actions/setup-node@v4
	with:
	node-version: 20
	- name: Get npm cache directory
	id: npm-cache-dir
	shell: bash
	run: echo "dir=$(npm config get cache)" >> ${GITHUB_OUTPUT}
	- uses: actions/cache@v4
	name: Setup npm cache
	with:
	path: ${{ steps.npm-cache-dir.outputs.dir }}
	key: ${{ runner.os }}-npm-${{ hashFiles('**/package-lock.json') }}
	restore-keys: \|
	${{ runner.os }}-npm-
	- name: Install dependencies
	run: npm install
	- name: Test
	run: npm test

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