Class: BrowserifyRb::Nvm::Browserify

Inherits:
Object
  • Object
show all
Defined in:
lib/browserify_rb/nvm/browserify.rb

Constant Summary collapse

DEFAULT_NVM_DIR = 
"#{ENV["HOME"]}/.nvm"
LOG = 
Logger.new(STDERR)

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(browserify_opts: "", node_ver: nil, env: {}, nvm_dir: DEFAULT_NVM_DIR, suppress_stderr: false, required_modules: nil) ⇒ Browserify

Returns a new instance of Browserify.



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# File 'lib/browserify_rb/nvm/browserify.rb', line 12

def initialize(
      browserify_opts: "", node_ver: nil, env: {},
      nvm_dir: DEFAULT_NVM_DIR, suppress_stderr: false,
      required_modules: nil)
  @nvm = BrowserifyRb::Nvm.new nvm_dir
  @node_ver = node_ver
  @env = env
  @browserify_opts = browserify_opts
  @suppress_stderr = suppress_stderr
  @prepared = false
  @modules = required_modules
end

Class Method Details

.compile(source, browserify_opts: "", node_ver: nil, env: {}, nvm_dir: DEFAULT_NVM_DIR, suppress_stderr: false) ⇒ Object 



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# File 'lib/browserify_rb/nvm/browserify.rb', line 68

def self.compile(
      source, browserify_opts: "", node_ver: nil, env: {},
      nvm_dir: DEFAULT_NVM_DIR, suppress_stderr: false)
  new(
    browserify_opts: browserify_opts,
    node_ver: node_ver,
    env: env,
    nvm_dir: nvm_dir,
    suppress_stderr: suppress_stderr
  ).compile(source)
end

Instance Method Details

#compile(source) ⇒ Object 



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# File 'lib/browserify_rb/nvm/browserify.rb', line 44

def compile source
  prepare unless @prepared

  out_buf = StringIO.new
  cmd = <<-CMD
    $(npm bin)/browserify #{@browserify_opts} -- -
  CMD
  stdout_handler = proc {|d| out_buf << d }
  stderr_handler = @suppress_stderr ?
                     proc {|d| } :
                     proc {|d| STDERR.print d}
  status = @nvm.run(
    cmd,
    stdin: source,
    node_ver: @node_ver,
    env: @env,
    stdout_handler: stdout_handler,
    stderr_handler: stderr_handler
  ).value
  raise "non-zero exit status: #{status.to_i}" unless status.success?

  return out_buf.string
end

#prepare ⇒ Object 



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# File 'lib/browserify_rb/nvm/browserify.rb', line 25

def prepare
  ms = ["browserify", *@modules].map{|m| %!"#{m}"! }.join(" ")
  cmd = "npm install #{ms}"
  stdout_handler = proc { }
  stderr_handler = @suppress_stderr ?
                     proc { } :
                     proc {|d| STDERR.print d}
  LOG.debug "run: #{cmd}"
  status = @nvm.run(
    cmd,
    node_ver: @node_ver,
    env: @env,
    stdout_handler: stdout_handler,
    stderr_handler: stderr_handler
  ).value
  raise "non-zero exit status: #{status.to_i}" unless status.success?
  @prepared = true
end