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stackoverflow.com/questions/43331011/firebase-app-named-default-already-exists-app-duplicate-app
Firebase App named '[DEFAULT]' already exists (app/duplicate-app)
Hi I am trying to unit test while developing a simple web with AngularJS + Firebase, but I have a problem defining the spec and trying the test runner myProject/test/spec/main.js : describe('Cont...
stackoverflow.com
if (!firebase.apps.length) {
firebase.initializeApp(firebaseConfig);
} else {
firebase.app();
}
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