Class: Opal::CLIOptions

Inherits:
OptionParser
  • Object
show all
Defined in:
opal/lib/opal/cli_options.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ CLIOptions

Returns a new instance of CLIOptions



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# File 'opal/lib/opal/cli_options.rb', line 5

def initialize
  @options = {}

  super do |opts|
    opts.banner = 'Usage: opal [options] -- [programfile]'

    opts.on('-v', '--verbose', 'print version number, then turn on verbose mode') do |v|
      require 'opal/version'
      puts "Opal v#{Opal::VERSION}"
      options[:verbose] = true # TODO: print some warnings when verbose = true
    end

    opts.on('--version', 'Print the version') do |v|
      require 'opal/version'
      puts "Opal v#{Opal::VERSION}"
      exit
    end

    opts.on("-h", "--help", "Show this message") do
      puts opts
      exit
    end

    opts.separator ''
    opts.separator 'Basic Options:'

    opts.on('-I', '--include DIR',
            'Append a load path (may be used more than once)') do |i|
      options[:load_paths] ||= []
      options[:load_paths] << i
    end

    opts.on('-e', '--eval SOURCE', String,
            'One line of script. Several -e\'s allowed. Omit [programfile]') do |source|
      options[:evals] ||= []
      options[:evals] << source
    end

    opts.on('-r', '--require LIBRARY', String,
            'Require the library before executing your script') do |library|
      options[:requires] ||= []
      options[:requires] << library
    end

    opts.on('-s', '--sexp', 'Show Sexps') do
      options[:sexp] = true
    end

    opts.on('-m', '--map', 'Show sourcemap') do
      options[:map] = true
    end

    opts.on('-c', '--compile', 'Compile to JavaScript') do
      options[:compile] = true
    end

    opts.on('-s', '--server [PORT]', 'Start a server (default port: 3000)') do |port|
      options[:server] = port.to_i
    end


    opts.separator ''
    opts.separator 'Compilation Options:'

    opts.on('-M', '--[no-]method-missing', 'Disable method missing') do |val|
      options[:method_missing] = val
    end

    opts.on('-A', '--[no-]arity-check', 'Enable arity check') do |value|
      options[:arity_check] = value
    end

    opts.on('-C', '--[no-]const-missing', 'Disable const missing') do |value|
      options[:const_missing] = value
    end

    dynamic_require_levels = %w[error warning ignore]
    opts.on('-D', '--dynamic-require LEVEL', dynamic_require_levels,
                  'Set levelDynamic require severity') do |level|
      options[:dynamic_require_severity] = level.to_sym
    end

    opts.on('-P', '--no-source-map', 'Disable source map') do |value|
      options[:source_map_enabled] = false
    end

    opts.on('-F', '--file FILE', 'Set filename for compiled code') do |file|
      options[:file] = file
    end

    opts.on("--[no-]irb", "IRB var mode") do |flag|
      options[:irb] = flag
    end
  end
end

Instance Attribute Details

#options ⇒ Object (readonly)

Returns the value of attribute options



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# File 'opal/lib/opal/cli_options.rb', line 101

def options
  @options
end