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JavaScript crash course: Firestore and Auth | JavaScript & Firebase

In this video, David East is going to show how to use Firestore and Firebase Authentication together to build a secure, real-time, and offline enabled application. David will cover data modeling, security rules, and handling offline changes with Firestore SnapshotMetadata. Chapters: 0:00 - Intro 0:49 - What we'll be building 1:25 - Firebase data modeling & security 3:00 - Production ready Firebase app initialization with Emulator connection 5:58 - Querying data with Firestore 7:50 - Creating a realtime listener with onSnapshot 8:24 - Inspecting the Snapshot Metadata 8:40 - Explaining the Firestore cache 9:18 - Using SnapshotMetadata to indicate network state 10:02 - Returning data asynchronously from onSnapshot 12:35 - Detecting authentication state with onAuthStateChanged 14:39 - Accessing the user data in the user interface 15:10 - Associating the user's id to each piece of data 16:49 - Debugging querying problems 17:20 - Using server timestamps 18:20 - Checking the user's id to align messages 19:18 - An intro to Security Rules 19:49 - Matching document paths with the match statement 20:06 - Determining access with the allow statement 20:39 - Matching subcollections and using wildcards 21:04 - Allow operations 21:29 - The request variable in Security Rules 22:21 - Using get() to read data from the database 23:11 - Cleaner code with functions 23:51 - Using the request monitor in the Emulator UI 25:31 - Role Based Security 26:40 - Intro to handling offline 28:26 - Playing the offline dino game, beat my high score of 7407 29:16 - Enabling offline persistence 30:43 - Multi-tab offline persistence 32:15 - Do me a favor Resources: Sample code - https://goo.gle/3jQB8tM Setting up the Firebase Emulator Suite - https://goo.gle/3jhlAwY Connecting to the Firestore Emulator - https://goo.gle/3vukW6T Connecting to the Auth Emulator - https://goo.gle/3990cYO CSS Modules - https://goo.gle/36spuCw Ordering data in Firestore - https://goo.gle/3JMPQN6 Detecting authentication state - https://goo.gle/3L1aiLO The match and allow statements in Security Rules - ​​https://goo.gle/3xJ3Epk Accessing data offline - https://goo.gle/3vuHjcs Subscribe to Firebase → https://goo.gle/Firebase #Firebase #JavaScript #Developer fullname: David East;

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