The Developer Show — TL;DR 019
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The most common Angular and Firebase code smell, and how to fix it
You want clean Angular and Firebase code? Here’s my Golden Rule of AngularFire, do not unwrap promises yourself.The single biggest code smell when building an AngularFire app is using the $loaded() promise. ¶ What does it mean to “not unwrap a promise?” It means to avoid calling .then() or .catch(). But, how do you get the data without invoking .then()? ¶ To find out, take a look at using a $firebaseArray(). ¶ Why $loaded() smells bad ¶ A $firebaseArray() starts out as an empty array. When the initial data set downloads from the realtime database, it populates that empty array.
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