Class: Opal::CliRunners::MiniRacer
- Inherits:
-
Object
- Object
- Opal::CliRunners::MiniRacer
- Defined in:
- opal/lib/opal/cli_runners/mini_racer.rb
Class Method Summary collapse
- .call(data) ⇒ Object
-
.random_bytes(bytes) ⇒ Object
A polyfill so that SecureRandom works in repl correctly.
Class Method Details
.call(data) ⇒ Object
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# File 'opal/lib/opal/cli_runners/mini_racer.rb', line 9 def self.call(data) ::MiniRacer::Platform.set_flags! :harmony builder = data.fetch(:builder).call output = data.fetch(:output) # TODO: pass it argv = data.fetch(:argv) # MiniRacer doesn't like to fork. Let's build Opal first # in a forked environment. code = builder.to_s + "\n" + builder.source_map.to_data_uri_comment v8 = ::MiniRacer::Context.new v8.attach('prompt', ->(_msg = '') { $stdin.gets&.chomp }) v8.attach('console.log', ->(i) { output.print(i); output.flush }) v8.attach('console.warn', ->(i) { $stderr.print(i); $stderr.flush }) v8.attach('crypto.randomBytes', method(:random_bytes).to_proc) v8.attach('opalminiracer.exit', ->(status) { Kernel.exit(status) }) v8.attach('opalminiracer.argv', argv) v8.eval(code) end |
.random_bytes(bytes) ⇒ Object
A polyfill so that SecureRandom works in repl correctly.
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# File 'opal/lib/opal/cli_runners/mini_racer.rb', line 33 def self.random_bytes(bytes) ::SecureRandom.bytes(bytes).split('').map(&:ord) end |