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Firebase - Coggle Diagram

- - - - onRequest
        
        response
        
        send
        
        redirect
        
        Request
        
        snapshot
        
        anything happen on database will update on client side automatically
      - OnCall
        
        context
        
        dynamic
        
        support ES7 React/Reduct/GraphQL/React-Native snippets
        
        return `hello, ${param}
        
        data
        
        after than, you can you 'update' to insert/update/delete data
      - Write JavaScript code (or TypeScript code to transpile at deployment) to handle events from Firebase services, Google Cloud services, or other event providers.
    - - $ firebase deploy --only functions
      - Enable billing for your project and deploy your functions using the Firebase CLI. You can use the Firebase console to view and search through your logs.
    - - Install the Firebase CLI and initialize Cloud Functions in your Firebase project.
        
        npm install firebase-functions@latest firebase-admin@latest --save
        
        npm install -g firebase-tools
        
        Add lines like the following to your index.js
        
        // The Cloud Functions for Firebase SDK to create Cloud Functions and setup triggers.
        const functions = require('firebase-functions');
        
        // The Firebase Admin SDK to access Firestore.
        const admin = require('firebase-admin');
        admin.initializeApp();
    - - Use the local emulator to test your functions.