Merge pull request #40 from johncohn/feature/substeps-flag #75

	name: CI

	on:
	push:
	branches:
	- trunk
	pull_request:
	branches:
	- trunk
	workflow_dispatch:

	permissions:
	contents: read

	jobs:
	test:
	runs-on: ubuntu-latest
	# NO CGO, on any platform, Linux included. Ebitengine is pure Go there on
	# the v2.10 alpha this project pins — which is exactly why it pins that
	# alpha. Setting it at the job level is the enforcement: a dependency that
	# quietly needed a C toolchain fails here instead of on somebody's machine.
	env:
	CGO_ENABLED: "0"

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

	- name: Set up Go
	uses: actions/setup-go@v5
	with:
	go-version-file: go.mod

	- name: Test
	run: go test ./...

	cross-build:
	runs-on: ubuntu-latest

	strategy:
	matrix:
	include:
	- goos: windows
	goarch: amd64
	- goos: windows
	goarch: arm64
	- goos: darwin
	goarch: amd64
	- goos: darwin
	goarch: arm64
	# The browser build behind the GitHub Pages demo, so a change that
	# breaks it fails here instead of at deploy time.
	- goos: js
	goarch: wasm

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

	- name: Set up Go
	uses: actions/setup-go@v5
	with:
	go-version-file: go.mod

	- name: Build ${{ matrix.goos }}/${{ matrix.goarch }}
	env:
	CGO_ENABLED: "0"
	GOARCH: ${{ matrix.goarch }}
	GOOS: ${{ matrix.goos }}
	run: go build -trimpath -ldflags="-s -w" ./...

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