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feat: add Progressive Web App support with service worker and offline functionality

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Oleh Omelchenko
2025-11-24 15:04:47 +02:00
parent a3d4fed842
commit fb70db5595
9 changed files with 185 additions and 4 deletions
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12
index.html
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@@ -8,6 +8,15 @@
<link rel="stylesheet" href="src/styles.css">
<link rel="icon" type="image/svg+xml" href="src/favicon.svg" />
<!-- PWA Manifest -->
<link rel="manifest" href="/manifest.webmanifest">
<meta name="theme-color" content="#000080">
<!-- iOS PWA Support -->
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
<meta name="apple-mobile-web-app-title" content="Astrolabe">
<link rel="apple-touch-icon" href="/icon-192x192.png">
<!-- Google Fonts - IBM Plex Mono -->
<link rel="preconnect" href="https://fonts.googleapis.com">
@@ -526,6 +535,8 @@
<p class="help-text">
Everything runs locally in your browser—no server, no signup, no data leaving your machine.
Your snippets and datasets are stored using browser storage, so they persist across sessions.
As a Progressive Web App, Astrolabe works fully offline after your first visit and can be installed
as a standalone application.
</p>
</section>
@@ -536,6 +547,7 @@
<li><strong>Three-panel workspace</strong> — Snippet library, Monaco code editor with Vega-Lite schema validation, and live preview</li>
<li><strong>Draft/published workflow</strong> — Experiment safely without losing your working version</li>
<li><strong>Dataset library</strong> — Store and reuse datasets across multiple visualizations (supports JSON, CSV, TSV, TopoJSON)</li>
<li><strong>Offline-capable</strong> — Works without internet connection after first visit; install as standalone app</li>
<li><strong>Import/export</strong> — Back up your work or move it between browsers</li>
<li><strong>Inline data extraction</strong> — Convert hardcoded data into reusable datasets</li>
<li><strong>Search and sorting</strong> — Find snippets by name, comment, or spec content</li>