One row per filesystem / zip entry — duplicate DB rows share the same normalized path.
(models)
| 1334 | const queued = findQueuedThumbnailTask(model.filePath); |
| 1335 | if (queued) { |
| 1336 | queued.container = thumbContainer; |
| 1337 | if (thumbPriority != null) queued.thumbPriority = thumbPriority; |
| 1338 | pendingThumbnails.add(model.filePath); |
| 1339 | return true; |
| 1340 | } |
| 1341 | if (activeThumbnailRenders.has(model.filePath)) { |
| 1342 | pendingThumbnails.add(model.filePath); |
| 1343 | return false; |
| 1344 | } |
| 1345 | // Stale pending bit (dropped while a race left the flag set) |
| 1346 | if (pendingThumbnails.has(model.filePath)) { |
| 1347 | pendingThumbnails.delete(model.filePath); |
| 1348 | } |
| 1349 | |
| 1350 | pendingThumbnails.add(model.filePath); |
| 1351 | enqueueRenderTask({ |
| 1352 | filePath: model.filePath, |
| 1353 | container: thumbContainer, |
| 1354 | thumbPriority: thumbPriority != null ? thumbPriority : 0, |
| 1355 | resolve: async (thumbnail) => { |
| 1356 | pendingThumbnails.delete(model.filePath); |
| 1357 | if (!thumbnail || thumbnail === '3d.png' || isFailurePlaceholderThumbnail(thumbnail)) { |
| 1358 | // Image-only extract miss: never re-hydrate (cannot mesh-render). |
| 1359 | if (hasImageOnlyPreviewMiss(model.filePath)) { |
| 1360 | const liveImg = thumbContainer.querySelector('img'); |
| 1361 | if (liveImg) { |
| 1362 | liveImg.src = thumbnail && thumbnail !== '3d.png' |
| 1363 | ? thumbnail |
| 1364 | : generateTypedPlaceholder(extensionFromModelPath(model.filePath)); |
| 1365 | } |
no test coverage detected