diff options
Diffstat (limited to 'src/client/views/collections')
| -rw-r--r-- | src/client/views/collections/CollectionStackedTimeline.tsx | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/src/client/views/collections/CollectionStackedTimeline.tsx b/src/client/views/collections/CollectionStackedTimeline.tsx index 714d8421a..52126884a 100644 --- a/src/client/views/collections/CollectionStackedTimeline.tsx +++ b/src/client/views/collections/CollectionStackedTimeline.tsx @@ -2,7 +2,7 @@ import React = require('react'); import { action, computed, IReactionDisposer, observable, reaction } from 'mobx'; import { observer } from 'mobx-react'; import { computedFn } from 'mobx-utils'; -import { Doc, DocListCast } from '../../../fields/Doc'; +import { Doc, DocListCast, StrListCast } from '../../../fields/Doc'; import { Id } from '../../../fields/FieldSymbols'; import { List } from '../../../fields/List'; import { listSpec } from '../../../fields/Schema'; @@ -289,10 +289,9 @@ export class CollectionStackedTimeline extends CollectionSubView<CollectionStack this._hoverTime = this.toTimeline(clientX - rect.x, rect.width); if (this.dataDoc.thumbnails) { const nearest = Math.floor((this._hoverTime / this.props.rawDuration) * VideoBox.numThumbnails); - const thumbnails = Cast(this.dataDoc.thumbnails, listSpec('string'), []); - const imgField = thumbnails && thumbnails.length > 0 ? new ImageField(thumbnails[nearest]) : new ImageField(''); - const src = imgField && imgField.url.href ? imgField.url.href.replace('.png', '_s.png') : ''; - this._thumbnail = src ? src : undefined; + const thumbnails = StrListCast(this.dataDoc.thumbnails); + const imgField = thumbnails?.length > 0 ? new ImageField(thumbnails[nearest]) : undefined; + this._thumbnail = imgField?.url?.href ? imgField.url.href.replace('.png', '_s.png') : undefined; } } }; |