From 852bda3d320563400eaa74f02ef0c6c73cd8180d Mon Sep 17 00:00:00 2001 From: Yamagishi Kazutoshi Date: Sun, 9 Jul 2017 00:20:53 +0900 Subject: [PATCH] Use srcSet only when know width (#4112) --- app/javascript/mastodon/components/media_gallery.js | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/app/javascript/mastodon/components/media_gallery.js b/app/javascript/mastodon/components/media_gallery.js index 2cb1ce51c..75222e965 100644 --- a/app/javascript/mastodon/components/media_gallery.js +++ b/app/javascript/mastodon/components/media_gallery.js @@ -91,8 +91,10 @@ class Item extends React.PureComponent { const originalUrl = attachment.get('url'); const originalWidth = attachment.getIn(['meta', 'original', 'width']); - const srcSet = `${originalUrl} ${originalWidth}w, ${previewUrl} ${previewWidth}w`; - const sizes = `(min-width: 1025px) ${320 * (width / 100)}px, ${width}vw`; + const hasSize = typeof originalWidth === 'number' && typeof previewWidth === 'number'; + + const srcSet = hasSize && `${originalUrl} ${originalWidth}w, ${previewUrl} ${previewWidth}w`; + const sizes = hasSize && `(min-width: 1025px) ${320 * (width / 100)}px, ${width}vw`; thumbnail = (