build: es2016 -> es2020 typescript configuration #22

	name: "LeetCode CI"

	on:
	push:
	branches:
	- "*"
	pull_request:
	branches:
	- "*"

	defaults:
	run:
	shell: bash

	jobs:
	problems:
	runs-on: ubuntu-latest
	defaults:
	run:
	working-directory: .

	steps:
	- uses: actions/checkout@v3
	- uses: actions/setup-node@v2
	with:
	node-version: "16"

	- name: Cache Node Modules
	uses: actions/cache@v2
	with:
	path: ~/.npm
	key: ${{ runner.os }}-node-${{ hashFiles('**/yarn.lock') }}
	restore-keys: \|
	${{ runner.os }}-node-

	- name: Install Yarn
	run: npm install -g yarn

	- name: Install npm Modules
	run: yarn install

	- name: Lint
	run: yarn lint

	- name: Prettier
	run: yarn prettier

	- name: Type Check
	run: yarn typecheck

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