Spacetagram

https://www.spacetagram.io

Instagram-style single page web app that searches and displays images from NASA's Astronomy Picture of the Day API. Made with Svelte JS (ES6 Javascript) and Django (Python).

Features include:

• Likeable/unlikeable images with animated heart icon which persist after closing/reloading window (via local storage)
• Shareable links to high-res images via email
• Toggle between random images or by date range (up to 10 images at a time)
• Play embedded videos from Youtube/Vimeo in window or fullscreen mode
• A+ security rating from https://observatory.mozilla.org

Fewer than 1% websites test get an A+ rating, for more info see:
https://blog.mozilla.org/security/2018/02/28/analysis-alexa-top-1m-sites-2/

Svelte JS source:
https://github.com/DrCBeatz/spacetagram/tree/main/spacetagram-svelte

This projects uses a custom fork of Svelte JS which I modified/compiled to allow built-in transitions and animations under a strict Content Security Policy without inline styles:
https://github.com/DrCBeatz/svelte/tree/svelte-styles-csp

Here are some tests (for the Django server):
https://github.com/DrCBeatz/spacetagram/blob/main/mysite/spacetagram/tests.py