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headius/js_from_ruby

Last active October 28, 2019 13:07
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Calling into JavaScript from JRuby using javax.script
Raw
js_from_ruby
>> java_import javax.script.ScriptEngineManager
=> [Java::JavaxScript::ScriptEngineManager]
>> mgr = ScriptEngineManager.new
=> #<Java::JavaxScript::ScriptEngineManager:0x780cb77>
>> js = mgr.getEngineByExtension("js")
=> #<Java::JdkNashornApiScripting::NashornScriptEngine:0x60015ef5>
>> js.eval("print(1)")
1
=> nil
>>>
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