# frozen_string_literal: true
module RubyWasmUi
module Cli
class Command
class Setup < Base
def self.description
"Set up the project for ruby-wasm-ui"
end
def run(_argv)
log_info("Setting up ruby-wasm-ui project...")
puts ""
# Check Ruby version
ruby_version_str = check_ruby_version
# Configure excluded gems for WASM build
log_info("Step 1/3: Configuring excluded gems...")
configure_excluded_gems
log_success("✓ Excluded gems configured")
# Build Ruby WASM
puts ""
log_info("Step 2/3: Building Ruby WASM...")
log_info("Running: rbwasm build --ruby-version #{ruby_version_str} -o ruby.wasm")
build_ruby_wasm(ruby_version_str)
log_success("✓ Ruby WASM build completed")
# Update .gitignore
puts ""
log_info("Step 3/4: Updating .gitignore...")
update_gitignore(["ruby.wasm", "/rubies", "/build", "/dist"])
log_success("✓ .gitignore updated")
# Create initial files
puts ""
log_info("Step 4/4: Creating initial files...")
create_initial_files
puts ""
log_success("Setup completed successfully!")
end
private
def update_gitignore(entries_to_add)
gitignore_path = ".gitignore"
# Read existing .gitignore or create new content
if File.exist?(gitignore_path)
content = File.read(gitignore_path)
lines = content.lines.map(&:chomp)
else
lines = []
end
# Add entries that don't already exist
added_entries = []
entries_to_add.each do |entry|
unless lines.include?(entry)
lines << entry
added_entries << entry
end
end
# Write back to .gitignore
File.write(gitignore_path, lines.join("\n") + "\n")
if added_entries.any?
log_info("Added to .gitignore: #{added_entries.join(', ')}")
else
log_info("No new entries added to .gitignore (all entries already exist)")
end
end
def create_initial_files
# Skip if src directory exists
if Dir.exist?("src")
log_info("src directory already exists, skipping initial file creation")
return
end
# Skip if files already exist
if File.exist?("src/index.html")
log_info("src/index.html already exists, skipping initial file creation")
return
end
if File.exist?("src/index.rb")
log_info("src/index.rb already exists, skipping initial file creation")
return
end
# Create src directory
Dir.mkdir("src")
# Create index.html
File.write("src/index.html", <<~HTML)
My App
My App
HTML
# Create index.rb
File.write("src/index.rb", <<~RUBY)
# Simple Hello World component
HelloComponent = RubyWasmUi.define_component(
state: ->(props) {
{ message: props[:message] || "Hello, Ruby WASM UI!" }
},
template: ->() {
RubyWasmUi::Template::Parser.parse_and_eval(<<~HTML, binding)
{state[:message]}
Click me!
HTML
},
methods: {
update_message: ->() {
update_state(message: "You clicked the button!")
}
}
)
# Create and mount the app
app = RubyWasmUi::App.create(HelloComponent, message: "Hello, Ruby WASM UI!")
app_element = JS.global[:document].getElementById("app")
app.mount(app_element)
RUBY
log_success("✓ Initial files created: src/index.html, src/index.rb")
end
end
end
end
end