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ItsAlexousdItsAlexousd
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feat: add firebase realtime database
1 parent fc380cd commit a95b627

12 files changed

Lines changed: 231 additions & 56 deletions

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‎firebase.json‎

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Original file line numberDiff line numberDiff line change
@@ -6,6 +6,9 @@
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"firestore": {
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"port": 8080
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},
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"database": {
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"port": 9000
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},
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"hosting": {
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"port": 5000
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},
@@ -16,10 +19,6 @@
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},
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"hosting": {
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"public": "docs/dist",
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"ignore": [
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"firebase.json",
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"**/.*",
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"**/node_modules/**"
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]
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"ignore": ["firebase.json", "**/.*", "**/node_modules/**"]
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}
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}

‎package-lock.json‎

Lines changed: 2 additions & 2 deletions
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‎src/lib/components/DataList.svelte‎

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<script lang="ts">
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import { listStore } from "../stores/realtimeDatabase.js";
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import { getFirebaseContext } from "../stores/sdk.js";
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import type { DatabaseReference, Database } from "firebase/database";
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export let path: string;
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export let startWith: any[] = [];
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const { rtdb } = getFirebaseContext();
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let store = listStore(rtdb!, path, startWith);
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interface $$Slots {
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default: {
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data: any[];
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ref: DatabaseReference | null;
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count: number;
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rtdb?: Database;
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};
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loading: {};
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}
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</script>
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{#if $store !== undefined}
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<slot data={$store} ref={store.ref} count={$store?.length ?? 0} {rtdb} />
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{:else}
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<slot name="loading" />
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{/if}

‎src/lib/components/DataRef.svelte‎

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<script lang="ts">
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import { refStore } from "../stores/realtimeDatabase.js";
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import { getFirebaseContext } from "../stores/sdk.js";
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import type { DatabaseReference, Database } from "firebase/database";
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export let path: string;
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export let startWith: any = undefined;
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const { rtdb } = getFirebaseContext();
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let store = refStore(rtdb!, path, startWith);
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interface $$Slots {
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default: { data: any; ref: DatabaseReference | null; rtdb?: Database };
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loading: {};
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}
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</script>
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{#if $store !== undefined}
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<slot data={$store} ref={store.ref} {rtdb} />
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{:else}
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<slot name="loading" />
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{/if}

‎src/lib/components/FirebaseApp.svelte‎

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Original file line numberDiff line numberDiff line change
@@ -2,11 +2,13 @@
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import { setFirebaseContext } from "$lib/stores/sdk.js";
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import type { Auth } from "firebase/auth";
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import type { Firestore } from "firebase/firestore";
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import type { Database } from "firebase/database";
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export let firestore: Firestore;
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export let rtdb: Database;
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export let auth: Auth;
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setFirebaseContext({ firestore, auth });
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setFirebaseContext({ firestore, rtdb, auth });
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</script>
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<slot />

‎src/lib/index.js‎

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Original file line numberDiff line numberDiff line change
@@ -1,23 +1,30 @@
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// Reexport your entry components here
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import User from './components/User.svelte';
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import Collection from './components/Collection.svelte';
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import Doc from './components/Doc.svelte';
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import FirebaseApp from './components/FirebaseApp.svelte';
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import SignedIn from './components/SignedIn.svelte';
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import SignedOut from './components/SignedOut.svelte';
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import { userStore } from './stores/auth.js';
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import { docStore, collectionStore } from './stores/firestore.js';
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import { getFirebaseContext } from './stores/sdk.js';
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import User from "./components/User.svelte";
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import Collection from "./components/Collection.svelte";
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import Doc from "./components/Doc.svelte";
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import DataRef from './components/DataRef.svelte';
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import DataList from './components/DataList.svelte';
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import FirebaseApp from "./components/FirebaseApp.svelte";
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import SignedIn from "./components/SignedIn.svelte";
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import SignedOut from "./components/SignedOut.svelte";
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import { userStore } from "./stores/auth.js";
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import { docStore, collectionStore } from "./stores/firestore.js";
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import { refStore, listStore } from './stores/realtimeDatabase.js';
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import { getFirebaseContext } from "./stores/sdk.js";
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export {
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Doc,
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User,
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Collection,
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FirebaseApp,
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SignedOut,
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SignedIn,
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docStore,
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collectionStore,
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userStore,
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getFirebaseContext
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}
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Doc,
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User,
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Collection,
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DataRef,
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DataList,
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FirebaseApp,
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SignedOut,
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SignedIn,
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docStore,
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collectionStore,
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refStore,
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listStore,
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userStore,
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getFirebaseContext,
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};

‎src/lib/stores/realtimeDatabase.ts‎

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import { writable } from "svelte/store";
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import { onValue, ref as dbRef } from "firebase/database";
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import type { Database } from "firebase/database";
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/**
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* @param {Database} rtdb - Firebase Realtime Database instance.
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* @param {string} path - Path to the database reference.
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* @param {T | undefined} startWith - Optional default data.
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* @returns a store with realtime updates on individual database reference data.
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*/
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export function refStore<T = any>(rtdb: Database, path: string, startWith?: T) {
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const dataRef = dbRef(rtdb, path);
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const { subscribe } = writable<T | null>(startWith, (set) => {
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const unsubscribe = onValue(dataRef, (snapshot) => {
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set(snapshot.val() as T);
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});
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return unsubscribe;
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});
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return {
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subscribe,
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ref: dataRef,
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};
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}
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/**
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* @param {Database} rtdb - Firebase Realtime Database instance.
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* @param {string} path - Path to the database reference.
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* @param {T[]} startWith - Optional default data.
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* @returns a store with realtime updates on lists of data.
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*/
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export function listStore<T = any>(
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rtdb: Database,
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path: string,
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startWith: T[] = []
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) {
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const listRef = dbRef(rtdb, path);
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const { subscribe } = writable<T[]>(startWith, (set) => {
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const unsubscribe = onValue(listRef, (snapshot) => {
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const dataArr: T[] = [];
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snapshot.forEach((childSnapshot) => {
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dataArr.push({
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key: childSnapshot.ref.key,
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...(childSnapshot.val() as T),
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});
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});
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set(dataArr);
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});
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return unsubscribe;
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});
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return {
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subscribe,
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ref: listRef,
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};
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}

‎src/lib/stores/sdk.ts‎

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Original file line numberDiff line numberDiff line change
@@ -1,12 +1,12 @@
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import { writable } from "svelte/store";
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import type { Firestore } from "firebase/firestore";
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import type { Database } from "firebase/database";
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import type { Auth } from "firebase/auth";
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import { getContext, setContext } from "svelte";
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6-
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export interface FirebaseSDKContext {
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auth?: Auth;
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firestore?: Firestore;
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rtdb?: Database;
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}
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export const contextKey = "firebase";

‎src/routes/+layout.svelte‎

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@@ -1,10 +1,8 @@
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<script lang="ts">
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import FirebaseApp from '$lib/components/FirebaseApp.svelte';
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import { db as firestore, auth } from './firebase.js';
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import FirebaseApp from "$lib/components/FirebaseApp.svelte";
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import { db as firestore, auth, rtdb } from "./firebase.js";
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</script>
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<FirebaseApp {auth} {firestore}>
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<slot />
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<FirebaseApp {auth} {firestore} {rtdb}>
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<slot />
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</FirebaseApp>

‎src/routes/+page.svelte‎

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@@ -1,16 +1,15 @@
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<script lang="ts">
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import { getFirebaseContext } from "$lib/stores/sdk.js";
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4-
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const ctx = getFirebaseContext();
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</script>
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<h1>Welcome to SvelteFire</h1>
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<ul>
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<li><a href="/auth-test">Auth Test</a></li>
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<li><a href="/firestore-test">Firestore Test</a></li>
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<li><a href="/rtdb-test">Realtime Database Test</a></li>
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<li><a href="/ssr-test">SSR Test</a></li>
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</ul>
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<ul>

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