'context' object not available in JavaScript integrations

[lmorandini]

While the integrations generally work in Camel-K 1.0.0.-RC2 , the 'context' object is not available:
const amq = context.getComponent('activemq');
causes:

[1] Exception in thread "main" ReferenceError: context is not defined
[1]     at <js> :program(Unnamed:3:142-148)
[1]     at org.graalvm.polyglot.Context.eval(Context.java:370)
[1]     at org.apache.camel.k.loader.js.JavaScriptSourceLoader$1.configure(JavaScriptSourceLoader.java:62)
[1]     at org.apache.camel.builder.RouteBuilder.checkInitialized(RouteBuilder.java:471)
[1]     at org.apache.camel.builder.RouteBuilder.configureRoutes(RouteBuilder.java:438)
[1]     at org.apache.camel.builder.RouteBuilder.addRoutesToCamelContext(RouteBuilder.java:418)
[1]     at org.apache.camel.impl.engine.AbstractCamelContext.lambda$addRoutes$0(AbstractCamelContext.java:1119)
[1]     at org.apache.camel.impl.engine.AbstractCamelContext.doWithDefinedClassLoader(AbstractCamelContext.java:2460)
[1]     at org.apache.camel.impl.engine.AbstractCamelContext.addRoutes(AbstractCamelContext.java:1119)
[1]     at org.apache.camel.main.RoutesConfigurer.configureRoutes(RoutesConfigurer.java:84)
[1]     at org.apache.camel.main.BaseMainSupport.postProcessCamelContext(BaseMainSupport.java:570)
[1]     at org.apache.camel.main.BaseMainSupport.initCamelContext(BaseMainSupport.java:422)
[1]     at org.apache.camel.k.main.ApplicationRuntime$MainAdapter.doInit(ApplicationRuntime.java:180)
[1]     at org.apache.camel.support.service.ServiceSupport.init(ServiceSupport.java:80)
[1]     at org.apache.camel.support.service.ServiceSupport.start(ServiceSupport.java:108)
[1]     at org.apache.camel.main.MainSupport.run(MainSupport.java:77)
[1]     at org.apache.camel.k.main.ApplicationRuntime.run(ApplicationRuntime.java:76)
[1]     at org.apache.camel.k.main.Application.main(Application.java:42)
[1] 2020-03-15 21:38:05.926 INFO  [Camel Thread #0 - CamelHangupInterceptor] MainSupport$HangupInterceptor - Received hang up - stopping the main instance.