Sha256: 29b0a05a13853831160072317022b482c6447c4a16c4b1d9d0b16e23296b87de
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Size: 1.16 KB
Versions: 16
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Stored size: 1.16 KB
Contents
# frozen_string_literal: true
require 'mini_racer'
require 'opal/paths'
module Opal
module CliRunners
class MiniRacer
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
# A polyfill so that SecureRandom works in repl correctly.
def self.random_bytes(bytes)
::SecureRandom.bytes(bytes).split('').map(&:ord)
end
end
end
end
Version data entries
16 entries across 16 versions & 1 rubygems