Saturday, December 2, 2017

Fixing RxJS import problems with Ionic's production build

Recently, I upgraded to Ionic 3.9.x, which included an upgrade to Angular 5.x as well. Everything went smooth, even I did not understand the RXJS stuff in Ionic's change log. But... when I did the first time a production build (ionic build --prod), I got a strange error:

Error: ./node_modules/rxjs/observable/BoundCallbackObservable.js Module build failed: TypeError: Cannot read property 'type' of undefined at Object.getEffectiveTypeAnnotationNode

Read more here: Fixing RxJS import problems with Ionic's production build.

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