@serge-ivo/firestore-client/dist/examples/BatchUsageExample.js

A Firestore data management module

"use strict";
// BatchUsageExample.ts
Object.defineProperty(exports, "__esModule", { value: true });
const ExampleEntity_1 = require("../examples/ExampleEntity");
const firestoreService_1 = require("../firestoreService");
/**
 * Demonstrates how to use FirestoreService.getBatch() alongside
 * FirestoreService.updateDocumentInBatch/setDocumentInBatch/deleteDocumentInBatch
 * to perform multiple writes in a single atomic batch.
 */
async function demoBatchWrites() {
    // 1️⃣ Define Firebase config
    const firebaseConfig = {
        apiKey: "fake-api-key", // Replace with your actual config if running against real Firebase
        projectId: "your-app", // Replace with your actual project ID
    };
    // Initialize FirestoreService with the Firebase config
    // FirestoreService now handles app initialization and Firestore instance creation internally
    const firestoreService = new firestoreService_1.FirestoreService(firebaseConfig);
    // Optionally, connect to emulator if needed (ensure emulator is running)
    // try {
    //   firestoreService.connectEmulator(8080); // Default Firestore emulator port
    //   console.log("Connected to Firestore Emulator for batch demo.");
    // } catch (error) {
    //   console.warn("Could not connect to Firestore Emulator:", error);
    // }
    // 2️⃣ Create two new ExampleEntity documents
    const entityA = await firestoreService.addDocument("examples", {
        title: "Batch Doc A",
        description: "Created via batch demo",
        createdAt: new Date(),
        updatedAt: new Date(),
        owner: "user123",
    });
    const entityB = await firestoreService.addDocument("examples", {
        title: "Batch Doc B",
        description: "Created via batch demo",
        createdAt: new Date(),
        updatedAt: new Date(),
        owner: "user123",
    });
    if (!entityA || !entityB) {
        console.error("Failed to create initial documents for batch demo.");
        return;
    }
    console.log("Created entityA with ID:", entityA);
    console.log("Created entityB with ID:", entityB);
    // Build document paths using the IDs
    const docPathA = ExampleEntity_1.ExampleEntity.buildPath(entityA);
    const docPathB = ExampleEntity_1.ExampleEntity.buildPath(entityB);
    // 3️⃣ Start a Firestore batch
    const batch = firestoreService.getBatch();
    // 4️⃣ Add operations to the batch using the document paths
    firestoreService.updateInBatch(batch, docPathA, {
        title: "Batch Updated A",
        updatedAt: new Date(),
    });
    firestoreService.updateInBatch(batch, docPathB, {
        title: "Batch Updated B",
        updatedAt: new Date(),
    });
    // (If you wanted to set data from scratch, do:)
    // firestoreService.setInBatch(batch, docPathA, { ...newData }, { merge: true });
    // (If you wanted to delete in batch, do:)
    // firestoreService.deleteInBatch(batch, docPathB);
    // 5️⃣ Commit the batch
    await batch.commit();
    console.log("✅ Batch write completed, documents updated.");
    // 6️⃣ Confirm the changes using the document paths
    //    Re-fetch from Firestore to verify
    const updatedA = await firestoreService.getDocument(docPathA);
    const updatedB = await firestoreService.getDocument(docPathB);
    console.log("Updated entity A data:", updatedA);
    console.log("Updated entity B data:", updatedB);
}
// Run the demo
demoBatchWrites().catch(console.error);