REI-Fixed/app/javascript/mastodon/extra_polyfills.js

import 'intersection-observer';
import 'requestidlecallback';
import objectFitImages  from 'object-fit-images';

objectFitImages();
Lazy load toots using IntersectionObserver (#3191) * refactor(components/status_list): Lazy load using IntersectionObserver * refactor(components/status_list): Avoid setState bottleneck * refactor(components/status_list): Update state correctly * fix(components/status): Render if isIntersecting is undefined * refactor(components/status): Recycle timeout * refactor(components/status): Reduce animation duration * refactor(components/status): Use requestIdleCallback * chore: Split polyfill bundles * refactor(components/status_list): Increase rootMargin to 300% * fix(components/status): Check if onRef is not defined * chore: Add note about polyfill bundle splitting * fix(components/status): Reduce animation duration to 0.3 seconds 2017-05-25 00:55:00 +09:00			`import 'intersection-observer';`
			`import 'requestidlecallback';`
Add object-fit polyfill for Edge (#4182) 2017-07-14 08:59:34 +09:00			`import objectFitImages from 'object-fit-images';`

			`objectFitImages();`