From bc062da11b1885be94c352b8655fecf5aaf0f91b Mon Sep 17 00:00:00 2001
From: Mert <101130780+mertalev@users.noreply.github.com>
Date: Tue, 17 Jun 2025 10:20:14 -0400
Subject: [PATCH] feat(web): wasm justified layout (#19150)
* wasm justified layout
* fix tests
* redundant layout generation
* raw position
---
web/eslint.config.js | 1 +
web/package-lock.json | 7 +
web/package.json | 1 +
.../gallery-viewer/gallery-viewer.svelte | 123 +++++-------------
.../timeline-manager/day-group.svelte.ts | 5 +-
.../timeline-manager.svelte.spec.ts | 14 +-
.../timeline-manager.svelte.ts | 6 +-
.../timeline-manager/viewer-asset.svelte.ts | 2 +-
web/src/lib/utils/layout-utils.ts | 76 ++++++-----
web/src/lib/utils/server.ts | 6 +-
web/src/lib/utils/timeline-util.ts | 6 +-
web/src/lib/utils/tunables.ts | 2 +-
web/src/test-data/factories/asset-factory.ts | 2 +-
13 files changed, 106 insertions(+), 145 deletions(-)
diff --git a/web/eslint.config.js b/web/eslint.config.js
index 6b7b343ad1..78b87d24ef 100644
--- a/web/eslint.config.js
+++ b/web/eslint.config.js
@@ -118,6 +118,7 @@ export default typescriptEslint.config(
'unicorn/filename-case': 'off',
'unicorn/prefer-top-level-await': 'off',
'unicorn/import-style': 'off',
+ 'unicorn/no-for-loop': 'off',
'svelte/button-has-type': 'error',
'@typescript-eslint/await-thenable': 'error',
'@typescript-eslint/no-floating-promises': 'error',
diff --git a/web/package-lock.json b/web/package-lock.json
index 72b9eb6a7c..2888dfb71b 100644
--- a/web/package-lock.json
+++ b/web/package-lock.json
@@ -10,6 +10,7 @@
"license": "GNU Affero General Public License version 3",
"dependencies": {
"@formatjs/icu-messageformat-parser": "^2.9.8",
+ "@immich/justified-layout-wasm": "^0.3.0",
"@immich/sdk": "file:../open-api/typescript-sdk",
"@immich/ui": "^0.22.7",
"@mapbox/mapbox-gl-rtl-text": "0.2.3",
@@ -1328,6 +1329,12 @@
"url": "https://opencollective.com/libvips"
}
},
+ "node_modules/@immich/justified-layout-wasm": {
+ "version": "0.3.0",
+ "resolved": "https://registry.npmjs.org/@immich/justified-layout-wasm/-/justified-layout-wasm-0.3.0.tgz",
+ "integrity": "sha512-eiKaPHHVsm0YL8SZVUuEs8miTT2uF3b9Tggve7QvIh+KF1Vq41EZFUeDI0RzLvoXAUnoAh37iFvYxaA9iXMHZA==",
+ "license": "AGPL-3"
+ },
"node_modules/@immich/sdk": {
"resolved": "../open-api/typescript-sdk",
"link": true
diff --git a/web/package.json b/web/package.json
index a06b12f826..2665904c62 100644
--- a/web/package.json
+++ b/web/package.json
@@ -27,6 +27,7 @@
},
"dependencies": {
"@formatjs/icu-messageformat-parser": "^2.9.8",
+ "@immich/justified-layout-wasm": "^0.3.0",
"@immich/sdk": "file:../open-api/typescript-sdk",
"@immich/ui": "^0.22.7",
"@mapbox/mapbox-gl-rtl-text": "0.2.3",
diff --git a/web/src/lib/components/shared-components/gallery-viewer/gallery-viewer.svelte b/web/src/lib/components/shared-components/gallery-viewer/gallery-viewer.svelte
index 09998ed060..eb1869cfbb 100644
--- a/web/src/lib/components/shared-components/gallery-viewer/gallery-viewer.svelte
+++ b/web/src/lib/components/shared-components/gallery-viewer/gallery-viewer.svelte
@@ -16,7 +16,7 @@
import { archiveAssets, cancelMultiselect } from '$lib/utils/asset-utils';
import { moveFocus } from '$lib/utils/focus-util';
import { handleError } from '$lib/utils/handle-error';
- import { getJustifiedLayoutFromAssets, type CommonJustifiedLayout } from '$lib/utils/layout-utils';
+ import { getJustifiedLayoutFromAssets } from '$lib/utils/layout-utils';
import { navigate } from '$lib/utils/navigation';
import { isTimelineAsset, toTimelineAsset } from '$lib/utils/timeline-util';
import { AssetVisibility, type AssetResponseDto } from '@immich/sdk';
@@ -27,7 +27,7 @@
import Portal from '../portal/portal.svelte';
interface Props {
- assets: (TimelineAsset | AssetResponseDto)[];
+ assets: TimelineAsset[] | AssetResponseDto[];
assetInteraction: AssetInteraction;
disableAssetSelect?: boolean;
showArchiveIcon?: boolean;
@@ -62,91 +62,39 @@
let { isViewing: isViewerOpen, asset: viewingAsset, setAssetId } = assetViewingStore;
- let geometry: CommonJustifiedLayout | undefined = $state();
-
- $effect(() => {
- const _assets = assets;
- updateSlidingWindow();
-
- const rowWidth = Math.floor(viewport.width);
- const rowHeight = rowWidth < 850 ? 100 : 235;
-
- geometry = getJustifiedLayoutFromAssets(_assets, {
+ const geometry = $derived(
+ getJustifiedLayoutFromAssets(assets, {
spacing: 2,
- heightTolerance: 0.15,
- rowHeight,
- rowWidth,
- });
- });
-
- let assetLayouts = $derived.by(() => {
- const assetLayout = [];
- let containerHeight = 0;
- let containerWidth = 0;
- if (geometry) {
- containerHeight = geometry.containerHeight;
- containerWidth = geometry.containerWidth;
- for (const [index, asset] of assets.entries()) {
- const top = geometry.getTop(index);
- const left = geometry.getLeft(index);
- const width = geometry.getWidth(index);
- const height = geometry.getHeight(index);
-
- const layoutTopWithOffset = top + pageHeaderOffset;
- const layoutBottom = layoutTopWithOffset + height;
-
- const display = layoutTopWithOffset < slidingWindow.bottom && layoutBottom > slidingWindow.top;
-
- const layout = {
- asset,
- top,
- left,
- width,
- height,
- display,
- };
-
- assetLayout.push(layout);
- }
- }
-
- return {
- assetLayout,
- containerHeight,
- containerWidth,
- };
- });
+ heightTolerance: 0.3,
+ rowHeight: Math.floor(viewport.width) < 850 ? 100 : 235,
+ rowWidth: Math.floor(viewport.width),
+ }),
+ );
let currentViewAssetIndex = 0;
let shiftKeyIsDown = $state(false);
let lastAssetMouseEvent: TimelineAsset | null = $state(null);
- let slidingWindow = $state({ top: 0, bottom: 0 });
+ let slidingTop = $state(0);
+ let slidingBottom = $state(0);
const updateSlidingWindow = () => {
const v = $state.snapshot(viewport);
const top = (document.scrollingElement?.scrollTop || 0) - slidingWindowOffset;
- const bottom = top + v.height;
- const w = {
- top,
- bottom,
- };
- slidingWindow = w;
+ slidingTop = top;
+ slidingBottom = top + v.height;
};
+ $effect(updateSlidingWindow);
const debouncedOnIntersected = debounce(() => onIntersected?.(), 750, { maxWait: 100, leading: true });
let lastIntersectedHeight = 0;
$effect(() => {
// notify we got to (near) the end of scroll
const scrollPercentage =
- ((slidingWindow.bottom - viewport.height) / (viewport.height - (document.scrollingElement?.clientHeight || 0))) *
- 100;
+ (slidingBottom - viewport.height) / (viewport.height - (document.scrollingElement?.clientHeight || 0));
- if (scrollPercentage > 90) {
- const intersectedHeight = geometry?.containerHeight || 0;
- if (lastIntersectedHeight !== intersectedHeight) {
- debouncedOnIntersected();
- lastIntersectedHeight = intersectedHeight;
- }
+ if (scrollPercentage > 0.9 && lastIntersectedHeight !== geometry.containerHeight) {
+ debouncedOnIntersected();
+ lastIntersectedHeight = geometry.containerHeight;
}
});
const viewAssetHandler = async (asset: TimelineAsset) => {
@@ -256,7 +204,7 @@
isShowDeleteConfirmation = false;
await deleteAssets(
!(isTrashEnabled && !force),
- (assetIds) => (assets = assets.filter((asset) => !assetIds.includes(asset.id))),
+ (assetIds) => (assets = assets.filter((asset) => !assetIds.includes(asset.id)) as TimelineAsset[]),
assetInteraction.selectedAssets,
onReload,
);
@@ -269,7 +217,7 @@
assetInteraction.isAllArchived ? AssetVisibility.Timeline : AssetVisibility.Archive,
);
if (ids) {
- assets = assets.filter((asset) => !ids.includes(asset.id));
+ assets = assets.filter((asset) => !ids.includes(asset.id)) as TimelineAsset[];
deselectAllAssets();
}
};
@@ -454,7 +402,7 @@
onkeyup={onKeyUp}
onselectstart={onSelectStart}
use:shortcuts={shortcutList}
- onscroll={() => updateSlidingWindow()}
+ onscroll={updateSlidingWindow}
/>
{#if isShowDeleteConfirmation}
@@ -468,13 +416,12 @@
{#if assets.length > 0}
- {#each assetLayouts.assetLayout as layout, layoutIndex (layout.asset.id + '-' + layoutIndex)}
- {@const currentAsset = layout.asset}
-
- {#if layout.display}
+ {#each assets as asset, i (asset.id + i)}
+ {#if geometry.getTop(i) + pageHeaderOffset < slidingBottom && geometry.getTop(i) + pageHeaderOffset + geometry.getHeight(i) > slidingTop}
+ {@const layout = geometry.getPosition(i)}
{
if (assetInteraction.selectionActive) {
- handleSelectAssets(toTimelineAsset(currentAsset));
+ handleSelectAssets(toTimelineAsset(asset));
return;
}
- void viewAssetHandler(toTimelineAsset(currentAsset));
+ void viewAssetHandler(toTimelineAsset(asset));
}}
- onSelect={() => handleSelectAssets(toTimelineAsset(currentAsset))}
- onMouseEvent={() => assetMouseEventHandler(toTimelineAsset(currentAsset))}
+ onSelect={() => handleSelectAssets(toTimelineAsset(asset))}
+ onMouseEvent={() => assetMouseEventHandler(toTimelineAsset(asset))}
{showArchiveIcon}
- asset={toTimelineAsset(currentAsset)}
- selected={assetInteraction.hasSelectedAsset(currentAsset.id)}
- selectionCandidate={assetInteraction.hasSelectionCandidate(currentAsset.id)}
+ asset={toTimelineAsset(asset)}
+ selected={assetInteraction.hasSelectedAsset(asset.id)}
+ selectionCandidate={assetInteraction.hasSelectionCandidate(asset.id)}
thumbnailWidth={layout.width}
thumbnailHeight={layout.height}
/>
- {#if showAssetName && !isTimelineAsset(currentAsset)}
+ {#if showAssetName && !isTimelineAsset(asset)}
- {currentAsset.originalFileName}
+ {asset.originalFileName}
{/if}
diff --git a/web/src/lib/managers/timeline-manager/day-group.svelte.ts b/web/src/lib/managers/timeline-manager/day-group.svelte.ts
index 2a949499ec..a43a71c511 100644
--- a/web/src/lib/managers/timeline-manager/day-group.svelte.ts
+++ b/web/src/lib/managers/timeline-manager/day-group.svelte.ts
@@ -1,7 +1,7 @@
import { AssetOrder } from '@immich/sdk';
import type { CommonLayoutOptions } from '$lib/utils/layout-utils';
-import { getJustifiedLayoutFromAssets, getPosition } from '$lib/utils/layout-utils';
+import { getJustifiedLayoutFromAssets } from '$lib/utils/layout-utils';
import { plainDateTimeCompare } from '$lib/utils/timeline-util';
import type { MonthGroup } from './month-group.svelte';
@@ -153,8 +153,7 @@ export class DayGroup {
this.width = geometry.containerWidth;
this.height = assets.length === 0 ? 0 : geometry.containerHeight;
for (let i = 0; i < this.viewerAssets.length; i++) {
- const position = getPosition(geometry, i);
- this.viewerAssets[i].position = position;
+ this.viewerAssets[i].position = geometry.getPosition(i);
}
}
diff --git a/web/src/lib/managers/timeline-manager/timeline-manager.svelte.spec.ts b/web/src/lib/managers/timeline-manager/timeline-manager.svelte.spec.ts
index 05f8b7c7f7..9aa06d940d 100644
--- a/web/src/lib/managers/timeline-manager/timeline-manager.svelte.spec.ts
+++ b/web/src/lib/managers/timeline-manager/timeline-manager.svelte.spec.ts
@@ -2,8 +2,10 @@ import { sdkMock } from '$lib/__mocks__/sdk.mock';
import { getMonthGroupByDate } from '$lib/managers/timeline-manager/internal/search-support.svelte';
import { AbortError } from '$lib/utils';
import { fromISODateTimeUTCToObject } from '$lib/utils/timeline-util';
+import { initSync } from '@immich/justified-layout-wasm';
import { type AssetResponseDto, type TimeBucketAssetResponseDto } from '@immich/sdk';
import { timelineAssetFactory, toResponseDto } from '@test-data/factories/asset-factory';
+import { readFile } from 'node:fs/promises';
import { TimelineManager } from './timeline-manager.svelte';
import type { TimelineAsset } from './types';
@@ -23,6 +25,12 @@ function deriveLocalDateTimeFromFileCreatedAt(arg: TimelineAsset): TimelineAsset
}
describe('TimelineManager', () => {
+ beforeAll(async () => {
+ // needed for Node.js
+ const file = await readFile('node_modules/@immich/justified-layout-wasm/pkg/justified-layout-wasm_bg.wasm');
+ initSync({ module: file });
+ });
+
beforeEach(() => {
vi.resetAllMocks();
});
@@ -80,15 +88,15 @@ describe('TimelineManager', () => {
expect(plainMonths).toEqual(
expect.arrayContaining([
- expect.objectContaining({ year: 2024, month: 3, height: 185.5 }),
- expect.objectContaining({ year: 2024, month: 2, height: 12_016 }),
+ expect.objectContaining({ year: 2024, month: 3, height: 353.5 }),
+ expect.objectContaining({ year: 2024, month: 2, height: 7786.452_636_718_75 }),
expect.objectContaining({ year: 2024, month: 1, height: 286 }),
]),
);
});
it('calculates timeline height', () => {
- expect(timelineManager.timelineHeight).toBe(12_487.5);
+ expect(timelineManager.timelineHeight).toBe(8425.952_636_718_75);
});
});
diff --git a/web/src/lib/managers/timeline-manager/timeline-manager.svelte.ts b/web/src/lib/managers/timeline-manager/timeline-manager.svelte.ts
index 8aacd0a90a..e17082c816 100644
--- a/web/src/lib/managers/timeline-manager/timeline-manager.svelte.ts
+++ b/web/src/lib/managers/timeline-manager/timeline-manager.svelte.ts
@@ -377,13 +377,11 @@ export class TimelineManager {
}
createLayoutOptions() {
- const viewportWidth = this.viewportWidth;
-
return {
spacing: 2,
- heightTolerance: 0.15,
+ heightTolerance: 0.3,
rowHeight: this.#rowHeight,
- rowWidth: Math.floor(viewportWidth),
+ rowWidth: Math.floor(this.viewportWidth),
};
}
diff --git a/web/src/lib/managers/timeline-manager/viewer-asset.svelte.ts b/web/src/lib/managers/timeline-manager/viewer-asset.svelte.ts
index b6e28df576..161cc049f1 100644
--- a/web/src/lib/managers/timeline-manager/viewer-asset.svelte.ts
+++ b/web/src/lib/managers/timeline-manager/viewer-asset.svelte.ts
@@ -18,7 +18,7 @@ export class ViewerAsset {
return calculateViewerAssetIntersecting(store, positionTop, this.position.height);
});
- position: CommonPosition | undefined = $state();
+ position: CommonPosition | undefined = $state.raw();
asset: TimelineAsset =
$state();
id: string = $derived(this.asset.id);
diff --git a/web/src/lib/utils/layout-utils.ts b/web/src/lib/utils/layout-utils.ts
index e60fa3b9e1..090a7168d5 100644
--- a/web/src/lib/utils/layout-utils.ts
+++ b/web/src/lib/utils/layout-utils.ts
@@ -1,16 +1,13 @@
-// import { TUNABLES } from '$lib/utils/tunables';
-// note: it's important that this is not imported in more than one file due to https://github.com/sveltejs/kit/issues/7805
-// import { JustifiedLayout, type LayoutOptions } from '@immich/justified-layout-wasm';
+import { TUNABLES } from '$lib/utils/tunables';
import type { TimelineAsset } from '$lib/managers/timeline-manager/types';
import { getAssetRatio } from '$lib/utils/asset-utils';
-import { isTimelineAsset } from '$lib/utils/timeline-util';
+import { isTimelineAsset, isTimelineAssets } from '$lib/utils/timeline-util';
+import { JustifiedLayout, type LayoutOptions } from '@immich/justified-layout-wasm';
import type { AssetResponseDto } from '@immich/sdk';
import createJustifiedLayout from 'justified-layout';
-export type getJustifiedLayoutFromAssetsFunction = typeof getJustifiedLayoutFromAssets;
-
-// let useWasm = TUNABLES.LAYOUT.WASM;
+const useWasm = TUNABLES.LAYOUT.WASM;
export type CommonJustifiedLayout = {
containerWidth: number;
@@ -19,6 +16,12 @@ export type CommonJustifiedLayout = {
getLeft(boxIdx: number): number;
getWidth(boxIdx: number): number;
getHeight(boxIdx: number): number;
+ getPosition(boxIdx: number): {
+ top: number;
+ left: number;
+ width: number;
+ height: number;
+ };
};
export type CommonLayoutOptions = {
@@ -29,25 +32,32 @@ export type CommonLayoutOptions = {
};
export function getJustifiedLayoutFromAssets(
- assets: (TimelineAsset | AssetResponseDto)[],
+ assets: AssetResponseDto[] | TimelineAsset[],
options: CommonLayoutOptions,
-): CommonJustifiedLayout {
- // if (useWasm) {
- // return wasmJustifiedLayout(assets, options);
- // }
+) {
+ if (useWasm) {
+ return isTimelineAssets(assets) ? wasmLayoutFromTimeline(assets, options) : wasmLayoutFromDto(assets, options);
+ }
+
return justifiedLayout(assets, options);
}
-// commented out until a solution for top level awaits on safari is fixed
-// function wasmJustifiedLayout(assets: AssetResponseDto[], options: LayoutOptions) {
-// const aspectRatios = new Float32Array(assets.length);
-// // eslint-disable-next-line unicorn/no-for-loop
-// for (let i = 0; i < assets.length; i++) {
-// const { width, height } = getAssetRatio(assets[i]);
-// aspectRatios[i] = width / height;
-// }
-// return new JustifiedLayout(aspectRatios, options);
-// }
+function wasmLayoutFromTimeline(assets: TimelineAsset[], options: LayoutOptions) {
+ const aspectRatios = new Float32Array(assets.length);
+ for (let i = 0; i < assets.length; i++) {
+ aspectRatios[i] = assets[i].ratio;
+ }
+ return new JustifiedLayout(aspectRatios, options);
+}
+
+function wasmLayoutFromDto(assets: AssetResponseDto[], options: LayoutOptions) {
+ const aspectRatios = new Float32Array(assets.length);
+ for (let i = 0; i < assets.length; i++) {
+ const { width, height } = getAssetRatio(assets[i]);
+ aspectRatios[i] = width / height;
+ }
+ return new JustifiedLayout(aspectRatios, options);
+}
type Geometry = ReturnType;
class Adapter {
@@ -88,9 +98,13 @@ class Adapter {
getHeight(boxIdx: number) {
return this.result.boxes[boxIdx]?.height;
}
+
+ getPosition(boxIdx: number): CommonPosition {
+ return this.result.boxes[boxIdx];
+ }
}
-export function justifiedLayout(assets: (TimelineAsset | AssetResponseDto)[], options: CommonLayoutOptions) {
+export function justifiedLayout(assets: TimelineAsset[] | AssetResponseDto[], options: CommonLayoutOptions) {
const adapter = {
targetRowHeight: options.rowHeight,
containerWidth: options.rowWidth,
@@ -105,25 +119,9 @@ export function justifiedLayout(assets: (TimelineAsset | AssetResponseDto)[], op
return new Adapter(result);
}
-export const emptyGeometry = () =>
- new Adapter({
- containerHeight: 0,
- widowCount: 0,
- boxes: [],
- });
-
export type CommonPosition = {
top: number;
left: number;
width: number;
height: number;
};
-
-export function getPosition(geometry: CommonJustifiedLayout, boxIdx: number): CommonPosition {
- const top = geometry.getTop(boxIdx);
- const left = geometry.getLeft(boxIdx);
- const width = geometry.getWidth(boxIdx);
- const height = geometry.getHeight(boxIdx);
-
- return { top, left, width, height };
-}
diff --git a/web/src/lib/utils/server.ts b/web/src/lib/utils/server.ts
index 1c52274d23..b99ab80ec5 100644
--- a/web/src/lib/utils/server.ts
+++ b/web/src/lib/utils/server.ts
@@ -1,17 +1,17 @@
import { retrieveServerConfig } from '$lib/stores/server-config.store';
import { initLanguage } from '$lib/utils';
+import { init as initLayout } from '@immich/justified-layout-wasm';
import { defaults } from '@immich/sdk';
import { memoize } from 'lodash-es';
type Fetch = typeof fetch;
-async function _init(fetch: Fetch) {
+function _init(fetch: Fetch) {
// set event.fetch on the fetch-client used by @immich/sdk
// https://kit.svelte.dev/docs/load#making-fetch-requests
// https://github.com/oazapfts/oazapfts/blob/main/README.md#fetch-options
defaults.fetch = fetch;
- await initLanguage();
- await retrieveServerConfig();
+ return Promise.all([initLayout(), initLanguage(), retrieveServerConfig()]);
}
export const init = memoize(_init, () => 'singlevalue');
diff --git a/web/src/lib/utils/timeline-util.ts b/web/src/lib/utils/timeline-util.ts
index c3e41c01be..ca9dece6b2 100644
--- a/web/src/lib/utils/timeline-util.ts
+++ b/web/src/lib/utils/timeline-util.ts
@@ -190,8 +190,10 @@ export const toTimelineAsset = (unknownAsset: AssetResponseDto | TimelineAsset):
};
};
-export const isTimelineAsset = (unknownAsset: AssetResponseDto | TimelineAsset): unknownAsset is TimelineAsset =>
- (unknownAsset as TimelineAsset).ratio !== undefined;
+export const isTimelineAsset = (asset: AssetResponseDto | TimelineAsset): asset is TimelineAsset => 'ratio' in asset;
+
+export const isTimelineAssets = (assets: AssetResponseDto[] | TimelineAsset[]): assets is TimelineAsset[] =>
+ assets.length === 0 || 'ratio' in assets[0];
export const plainDateTimeCompare = (ascending: boolean, a: TimelinePlainDateTime, b: TimelinePlainDateTime) => {
const [aDateTime, bDateTime] = ascending ? [a, b] : [b, a];
diff --git a/web/src/lib/utils/tunables.ts b/web/src/lib/utils/tunables.ts
index 6ce64ed041..c586e11957 100644
--- a/web/src/lib/utils/tunables.ts
+++ b/web/src/lib/utils/tunables.ts
@@ -19,7 +19,7 @@ const storage = browser
};
export const TUNABLES = {
LAYOUT: {
- WASM: getBoolean(storage.getItem('LAYOUT.WASM'), false),
+ WASM: getBoolean(storage.getItem('LAYOUT.WASM'), true),
},
TIMELINE: {
INTERSECTION_EXPAND_TOP: getNumber(storage.getItem('TIMELINE_INTERSECTION_EXPAND_TOP'), 500),
diff --git a/web/src/test-data/factories/asset-factory.ts b/web/src/test-data/factories/asset-factory.ts
index c2f03f9c6a..273bb6f97b 100644
--- a/web/src/test-data/factories/asset-factory.ts
+++ b/web/src/test-data/factories/asset-factory.ts
@@ -31,7 +31,7 @@ export const assetFactory = Sync.makeFactory({
export const timelineAssetFactory = Sync.makeFactory({
id: Sync.each(() => faker.string.uuid()),
- ratio: Sync.each(() => faker.number.int()),
+ ratio: Sync.each((i) => 0.2 + ((i * 0.618_034) % 3.8)), // deterministic random float between 0.2 and 4.0
ownerId: Sync.each(() => faker.string.uuid()),
thumbhash: Sync.each(() => faker.string.alphanumeric(28)),
localDateTime: Sync.each(() => fromISODateTimeUTCToObject(faker.date.past().toISOString())),