Update fileSystem.ts (#878) #3893

	name: ci

	on:
	push:
	branches:
	- main
	tags:
	- v*
	pull_request:
	branches:
	- main
	jobs:
	test:
	strategy:
	matrix:
	os: [ubuntu-latest, windows-latest]
	runs-on: ${{ matrix.os }}
	name: "Setup deno"
	steps:
	- uses: actions/checkout@v3
	- name: cache deno installation and deno.land dependencies
	uses: actions/cache@v2
	with:
	key: ${{ runner.os }}-deno-${{ hashFiles('*/') }}
	restore-keys: ${{ runner.os }}-deno-
	path: \|
	/home/runner/.deno
	/home/runner/.cache/deno/deps/https/deno.land
	- uses: denoland/setup-deno@v2
	with:
	deno-version: v2.x
	- name: Build Deno Module
	run: deno run -A --lock=deno.lock --frozen=false --reload mod.ts
	- name: fetch any uncached dependencies
	run: \|
	deno cache --lock=deno.lock --frozen=false --reload=file: ./mod.ts

	- run: \|
	deno test --lock=deno.lock --frozen=false -A .
	- run: \|
	deno bench --lock=deno.lock --frozen=false -A .
	- name: check lint
	continue-on-error: true
	run: \|
	deno --unstable lint
	- name: check formatting
	continue-on-error: true
	run: \|
	deno fmt --check

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