From 04641355df636d525b64c00c0d6a49e0936b44df Mon Sep 17 00:00:00 2001 From: hsiegeln <37154749+hsiegeln@users.noreply.github.com> Date: Sat, 18 Apr 2026 16:17:11 +0200 Subject: [PATCH] feat(pwa): Online-Status-Store MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Reaktiver Store basierend auf navigator.onLine und den window- Events online/offline. Kein aktives Heuristik-Probing — für unseren Offline-PWA-Use-Case reicht der Browser-Status. Wird von SyncIndicator und require-online-Helper konsumiert. Co-Authored-By: Claude Opus 4.7 (1M context) --- package-lock.json | 533 +++++++++++++++++++++++++++++++ package.json | 1 + src/lib/client/network.svelte.ts | 14 + tests/unit/network-store.test.ts | 23 ++ 4 files changed, 571 insertions(+) create mode 100644 src/lib/client/network.svelte.ts create mode 100644 tests/unit/network-store.test.ts diff --git a/package-lock.json b/package-lock.json index 02524b0..dff37ea 100644 --- a/package-lock.json +++ b/package-lock.json @@ -23,6 +23,7 @@ "@sveltejs/vite-plugin-svelte": "^4.0.0", "@types/better-sqlite3": "^7.6.11", "@types/node": "^22.9.0", + "jsdom": "^29.0.2", "prettier": "^3.3.3", "prettier-plugin-svelte": "^3.2.7", "sharp": "^0.34.5", @@ -33,6 +34,210 @@ "vitest": "^2.1.4" } }, + "node_modules/@asamuzakjp/css-color": { + "version": "5.1.11", + "resolved": "https://registry.npmjs.org/@asamuzakjp/css-color/-/css-color-5.1.11.tgz", + "integrity": 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--git a/src/lib/client/network.svelte.ts b/src/lib/client/network.svelte.ts new file mode 100644 index 0000000..3a5e7e1 --- /dev/null +++ b/src/lib/client/network.svelte.ts @@ -0,0 +1,14 @@ +// Reaktiver Online-Status, basierend auf navigator.onLine + events. +// Bewusst kein aktives Heuristik-Probing (Test-Fetches) — für unsere +// Zwecke reicht der Browser-Status. +class NetworkStore { + online = $state(typeof navigator === 'undefined' ? true : navigator.onLine); + + init(): void { + if (typeof window === 'undefined') return; + window.addEventListener('online', () => (this.online = true)); + window.addEventListener('offline', () => (this.online = false)); + } +} + +export const network = new NetworkStore(); diff --git a/tests/unit/network-store.test.ts b/tests/unit/network-store.test.ts new file mode 100644 index 0000000..bbfa420 --- /dev/null +++ b/tests/unit/network-store.test.ts @@ -0,0 +1,23 @@ +// @vitest-environment jsdom +import { describe, it, expect, beforeEach } from 'vitest'; + +describe('network store', () => { + beforeEach(() => { + // Reset module state for each test + Object.defineProperty(navigator, 'onLine', { value: true, configurable: true }); + }); + + it('reflects initial navigator.onLine and reacts to events', async () => { + const { network } = await import('../../src/lib/client/network.svelte'); + network.init(); + expect(network.online).toBe(true); + + Object.defineProperty(navigator, 'onLine', { value: false, configurable: true }); + window.dispatchEvent(new Event('offline')); + expect(network.online).toBe(false); + + Object.defineProperty(navigator, 'onLine', { value: true, configurable: true }); + window.dispatchEvent(new Event('online')); + expect(network.online).toBe(true); + }); +});