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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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README.md
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@@ -7,6 +7,7 @@ A lightweight, browser-based snippet manager for Vega-Lite visualizations. Organ
- **Visual chart builder**: Create charts without writing JSON – select mark type, map fields to encodings, and see live preview
- **Draft/published workflow**: Experiment safely without losing your working version
- **Dataset library**: Store and reuse datasets across snippets (JSON, CSV, TSV, TopoJSON)
- **Progressive Web App**: Install as standalone app, works fully offline after first visit
- **Import/export**: Back up your work or move it between browsers
- **Search and ordering**: Find snippets by name, comment, or spec content
- **Configurable settings**: Editor options, performance tuning, date formatting, light/dark themes
@@ -90,6 +91,7 @@ A lightweight, browser-based snippet manager for Vega-Lite visualizations. Organ
- **Storage limits**: Snippets are limited to 5 MB total (shared localStorage). Datasets use IndexedDB and have much higher limits.
- **Experimental dark theme**: Has minor visibility issues in some UI components.
- **No cross-device sync**: Data doesn't sync between browsers or devices.
- **Offline functionality**: PWA requires initial online visit to cache resources; subsequent visits work offline.
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