feat: position animated independently per axis

Made-with: Cursor

apps/web/src/components/editor/panels/properties/hooks/use-keyframed-vector-property.ts

@@ -1,190 +0,0 @@
-import { useEditor } from "@/hooks/use-editor";
-import {
-	getKeyframeAtTime,
-	hasKeyframesForPath,
-	upsertElementKeyframe,
-} from "@/lib/animation";
-import type {
-	AnimationPropertyPath,
-	ElementAnimations,
-	VectorValue,
-} from "@/lib/animation/types";
-import type { TimelineElement } from "@/lib/timeline";
-import { snapToStep } from "@/utils/math";
-import { usePropertyDraft } from "./use-property-draft";
-
-export function useKeyframedVectorProperty({
-	trackId,
-	elementId,
-	animations,
-	propertyPath,
-	localTime,
-	isPlayheadWithinElementRange,
-	resolvedValue,
-	displayX,
-	displayY,
-	parseComponent,
-	step,
-	buildBaseUpdates,
-}: {
-	trackId: string;
-	elementId: string;
-	animations: ElementAnimations | undefined;
-	propertyPath: AnimationPropertyPath;
-	localTime: number;
-	isPlayheadWithinElementRange: boolean;
-	resolvedValue: VectorValue;
-	displayX: string;
-	displayY: string;
-	parseComponent: (input: string) => number | null;
-	step?: number;
-	buildBaseUpdates: ({
-		value,
-	}: {
-		value: VectorValue;
-	}) => Partial<TimelineElement>;
-}) {
-	const editor = useEditor();
-	const snapComponentValue = (value: number) =>
-		step != null ? snapToStep({ value, step }) : value;
-
-	const hasAnimatedKeyframes = hasKeyframesForPath({
-		animations,
-		propertyPath,
-	});
-	const keyframeAtTime = isPlayheadWithinElementRange
-		? getKeyframeAtTime({ animations, propertyPath, time: localTime })
-		: null;
-	const keyframeIdAtTime = keyframeAtTime?.id ?? null;
-	const isKeyframedAtTime = keyframeAtTime !== null;
-	const shouldUseAnimatedChannel =
-		hasAnimatedKeyframes && isPlayheadWithinElementRange;
-
-	const previewVector = ({ value }: { value: VectorValue }) => {
-		const nextValue = {
-			x: snapComponentValue(value.x),
-			y: snapComponentValue(value.y),
-		};
-		if (shouldUseAnimatedChannel) {
-			editor.timeline.previewElements({
-				updates: [
-					{
-						trackId,
-						elementId,
-						updates: {
-							animations: upsertElementKeyframe({
-								animations,
-								propertyPath,
-								time: localTime,
-								value: nextValue,
-							}),
-						},
-					},
-				],
-			});
-			return;
-		}
-
-		editor.timeline.previewElements({
-			updates: [{ trackId, elementId, updates: buildBaseUpdates({ value: nextValue }) }],
-		});
-	};
-
-	const x = usePropertyDraft({
-		displayValue: displayX,
-		parse: (input) => {
-			const parsedValue = parseComponent(input);
-			return parsedValue === null ? null : snapComponentValue(parsedValue);
-		},
-		onPreview: (xVal) =>
-			previewVector({ value: { x: xVal, y: resolvedValue.y } }),
-		onCommit: () => editor.timeline.commitPreview(),
-	});
-
-	const y = usePropertyDraft({
-		displayValue: displayY,
-		parse: (input) => {
-			const parsedValue = parseComponent(input);
-			return parsedValue === null ? null : snapComponentValue(parsedValue);
-		},
-		onPreview: (yVal) =>
-			previewVector({ value: { x: resolvedValue.x, y: yVal } }),
-		onCommit: () => editor.timeline.commitPreview(),
-	});
-
-	const toggleKeyframe = () => {
-		if (!isPlayheadWithinElementRange) return;
-
-		if (keyframeIdAtTime) {
-			editor.timeline.removeKeyframes({
-				keyframes: [
-					{ trackId, elementId, propertyPath, keyframeId: keyframeIdAtTime },
-				],
-			});
-			return;
-		}
-
-		editor.timeline.upsertKeyframes({
-			keyframes: [
-				{
-					trackId,
-					elementId,
-					propertyPath,
-					time: localTime,
-					value: resolvedValue,
-				},
-			],
-		});
-	};
-
-	const commitX = ({ value }: { value: number }) => {
-		const vector: VectorValue = {
-			x: snapComponentValue(value),
-			y: snapComponentValue(resolvedValue.y),
-		};
-		if (shouldUseAnimatedChannel) {
-			editor.timeline.upsertKeyframes({
-				keyframes: [
-					{ trackId, elementId, propertyPath, time: localTime, value: vector },
-				],
-			});
-			return;
-		}
-		editor.timeline.updateElements({
-			updates: [
-				{ trackId, elementId, patch: buildBaseUpdates({ value: vector }) },
-			],
-		});
-	};
-
-	const commitY = ({ value }: { value: number }) => {
-		const vector: VectorValue = {
-			x: snapComponentValue(resolvedValue.x),
-			y: snapComponentValue(value),
-		};
-		if (shouldUseAnimatedChannel) {
-			editor.timeline.upsertKeyframes({
-				keyframes: [
-					{ trackId, elementId, propertyPath, time: localTime, value: vector },
-				],
-			});
-			return;
-		}
-		editor.timeline.updateElements({
-			updates: [
-				{ trackId, elementId, patch: buildBaseUpdates({ value: vector }) },
-			],
-		});
-	};
-
-	return {
-		x,
-		y,
-		hasAnimatedKeyframes,
-		isKeyframedAtTime,
-		keyframeIdAtTime,
-		toggleKeyframe,
-		commitX,
-		commitY,
-	};
-}

apps/web/src/components/editor/panels/properties/tabs/transform-tab.tsx

@@ -26,7 +26,6 @@ import { DEFAULTS } from "@/lib/timeline/defaults";
 import { useElementPlayhead } from "../hooks/use-element-playhead";
 import { KeyframeToggle } from "../components/keyframe-toggle";
 import { useKeyframedNumberProperty } from "../hooks/use-keyframed-number-property";
-import { useKeyframedVectorProperty } from "../hooks/use-keyframed-vector-property";
 import { usePropertiesStore } from "../stores/properties-store";
 
 export function parseNumericInput({ input }: { input: string }): number | null {
@@ -79,20 +78,41 @@ export function TransformTab({
 		localTime,
 	});
 
-	const position = useKeyframedVectorProperty({
+	const positionX = useKeyframedNumberProperty({
 		trackId,
 		elementId: element.id,
 		animations: element.animations,
-		propertyPath: "transform.position",
+		propertyPath: "transform.positionX",
 		localTime,
 		isPlayheadWithinElementRange,
-		resolvedValue: resolvedTransform.position,
+		displayValue: Math.round(resolvedTransform.position.x).toString(),
-		displayX: Math.round(resolvedTransform.position.x).toString(),
+		parse: (input) => parseNumericInput({ input }),
-		displayY: Math.round(resolvedTransform.position.y).toString(),
+		valueAtPlayhead: resolvedTransform.position.x,
-		parseComponent: (input) => parseNumericInput({ input }),
 		step: 1,
 		buildBaseUpdates: ({ value }) => ({
-			transform: { ...element.transform, position: value },
+			transform: {
+				...element.transform,
+				position: { ...element.transform.position, x: value },
+			},
+		}),
+	});
+
+	const positionY = useKeyframedNumberProperty({
+		trackId,
+		elementId: element.id,
+		animations: element.animations,
+		propertyPath: "transform.positionY",
+		localTime,
+		isPlayheadWithinElementRange,
+		displayValue: Math.round(resolvedTransform.position.y).toString(),
+		parse: (input) => parseNumericInput({ input }),
+		valueAtPlayhead: resolvedTransform.position.y,
+		step: 1,
+		buildBaseUpdates: ({ value }) => ({
+			transform: {
+				...element.transform,
+				position: { ...element.transform.position, y: value },
+			},
 		}),
 	});
 
@@ -327,64 +347,76 @@ export function TransformTab({
 							</>
 						)}
 					</div>
+				<div className="flex items-end gap-2">
 					<SectionField
-						label="Position"
+						label="X"
+						className="min-w-0 flex-1"
 						beforeLabel={
 							<KeyframeToggle
-								isActive={position.isKeyframedAtTime}
+								isActive={positionX.isKeyframedAtTime}
 								isDisabled={!isPlayheadWithinElementRange}
-								title="Toggle position keyframe"
+								title="Toggle X position keyframe"
-								onToggle={position.toggleKeyframe}
+								onToggle={positionX.toggleKeyframe}
 							/>
 						}
 					>
-						<div className="flex items-center gap-2">
 					<NumberField
 						icon="X"
-								className="flex-1"
+						value={positionX.displayValue}
-								value={position.x.displayValue}
+							onFocus={positionX.onFocus}
-								onFocus={position.x.onFocus}
+							onChange={positionX.onChange}
-								onChange={position.x.onChange}
+							onBlur={positionX.onBlur}
-								onBlur={position.x.onBlur}
+							onScrub={positionX.scrubTo}
-								onScrub={position.x.scrubTo}
+							onScrubEnd={positionX.commitScrub}
-								onScrubEnd={position.x.commitScrub}
 							onReset={() =>
-									position.commitX({
+								positionX.commitValue({
 									value: DEFAULTS.element.transform.position.x,
 								})
 							}
 							isDefault={isPropertyAtDefault({
-									hasAnimatedKeyframes: position.hasAnimatedKeyframes,
+								hasAnimatedKeyframes: positionX.hasAnimatedKeyframes,
 								isPlayheadWithinElementRange,
 								resolvedValue: resolvedTransform.position.x,
 								staticValue: element.transform.position.x,
 								defaultValue: DEFAULTS.element.transform.position.x,
 							})}
 						/>
+					</SectionField>
+					<SectionField
+						label="Y"
+						className="min-w-0 flex-1"
+						beforeLabel={
+							<KeyframeToggle
+								isActive={positionY.isKeyframedAtTime}
+								isDisabled={!isPlayheadWithinElementRange}
+								title="Toggle Y position keyframe"
+								onToggle={positionY.toggleKeyframe}
+							/>
+						}
+					>
 					<NumberField
 						icon="Y"
-								className="flex-1"
+						value={positionY.displayValue}
-								value={position.y.displayValue}
+							onFocus={positionY.onFocus}
-								onFocus={position.y.onFocus}
+							onChange={positionY.onChange}
-								onChange={position.y.onChange}
+							onBlur={positionY.onBlur}
-								onBlur={position.y.onBlur}
+							onScrub={positionY.scrubTo}
-								onScrub={position.y.scrubTo}
+							onScrubEnd={positionY.commitScrub}
-								onScrubEnd={position.y.commitScrub}
 							onReset={() =>
-									position.commitY({
+								positionY.commitValue({
 									value: DEFAULTS.element.transform.position.y,
 								})
 							}
 							isDefault={isPropertyAtDefault({
-									hasAnimatedKeyframes: position.hasAnimatedKeyframes,
+								hasAnimatedKeyframes: positionY.hasAnimatedKeyframes,
 								isPlayheadWithinElementRange,
 								resolvedValue: resolvedTransform.position.y,
 								staticValue: element.transform.position.y,
 								defaultValue: DEFAULTS.element.transform.position.y,
 							})}
 						/>
-						</div>
 					</SectionField>
+				</div>
 
 					<SectionField
 						label="Rotation"

apps/web/src/lib/animation/binding-values.ts

@@ -47,6 +47,18 @@ export function isVectorValue(value: unknown): value is VectorValue {
 	return isRecord(value) && typeof value.x === "number" && typeof value.y === "number";
 }
 
+export type EasingMode = "independent" | "shared";
+
+/**
+ * Declares how easing curves apply to a binding's components.
+ * "shared" means all components always use the same curve (e.g. color — you never
+ * want to ease R independently from G/B/A). "independent" means each component
+ * can have its own curve.
+ */
+export function getEasingModeForKind(kind: AnimationBindingKind): EasingMode {
+	return kind === "color" ? "shared" : "independent";
+}
+
 export function getBindingComponentKeys({
 	kind,
 }: {

apps/web/src/lib/animation/graph-channels.ts

@@ -1,4 +1,5 @@
 import type {
+	AnimationBindingInstance,
 	AnimationPath,
 	ElementAnimations,
 	ScalarAnimationChannel,
@@ -6,6 +7,11 @@ import type {
 	ScalarGraphKeyframeContext,
 } from "@/lib/animation/types";
 
+export interface EditableScalarChannels {
+	binding: AnimationBindingInstance;
+	channels: ScalarGraphChannel[];
+}
+
 function isScalarAnimationChannel(
 	channel: ElementAnimations["channels"][string],
 ): channel is ScalarAnimationChannel {
@@ -18,13 +24,13 @@ export function getEditableScalarChannels({
 }: {
 	animations: ElementAnimations | undefined;
 	propertyPath: AnimationPath;
-}): ScalarGraphChannel[] {
+}): EditableScalarChannels | null {
 	const binding = animations?.bindings[propertyPath];
 	if (!binding) {
-		return [];
+		return null;
 	}
 
-	return binding.components.flatMap((component) => {
+	const channels = binding.components.flatMap((component) => {
 		const channel = animations?.channels[component.channelId];
 		if (!isScalarAnimationChannel(channel)) {
 			return [];
@@ -36,9 +42,11 @@ export function getEditableScalarChannels({
 				componentKey: component.key,
 				channelId: component.channelId,
 				channel,
-			},
+			} satisfies ScalarGraphChannel,
 		];
 	});
+
+	return { binding, channels };
 }
 
 export function getEditableScalarChannel({
@@ -50,12 +58,8 @@ export function getEditableScalarChannel({
 	propertyPath: AnimationPath;
 	componentKey: string;
 }): ScalarGraphChannel | null {
-	return (
+	const result = getEditableScalarChannels({ animations, propertyPath });
-		getEditableScalarChannels({
+	return result?.channels.find((channel) => channel.componentKey === componentKey) ?? null;
-			animations,
-			propertyPath,
-		}).find((channel) => channel.componentKey === componentKey) ?? null
-	);
 }
 
 export function getScalarKeyframeContext({

apps/web/src/lib/animation/index.ts

@@ -49,6 +49,7 @@ export {
 } from "./keyframe-query";
 
 export {
+	type EditableScalarChannels,
 	getEditableScalarChannel,
 	getEditableScalarChannels,
 	getScalarKeyframeContext,
@@ -90,5 +91,6 @@ export {
 } from "./property-groups";
 
 export {
-	isVectorValue,
+	type EasingMode,
+	getEasingModeForKind,
 } from "./binding-values";

apps/web/src/lib/animation/keyframes.ts

@@ -173,7 +173,7 @@ function createScalarKey({
 	id: string;
 	time: number;
 	value: number;
-	interpolation: AnimationInterpolation;
+	interpolation?: AnimationInterpolation;
 	previousKey?: ScalarAnimationKey;
 }): ScalarAnimationKey {
 	return {
@@ -183,7 +183,8 @@ function createScalarKey({
 		leftHandle: previousKey?.leftHandle,
 		rightHandle: previousKey?.rightHandle,
 		segmentToNext:
-			previousKey?.segmentToNext ?? getScalarSegmentType({ interpolation }),
+			previousKey?.segmentToNext ??
+			getScalarSegmentType({ interpolation: interpolation ?? "linear" }),
 		tangentMode: previousKey?.tangentMode ?? "flat",
 	};
 }
@@ -332,12 +333,14 @@ function upsertScalarChannelKey({
 	time,
 	value,
 	interpolation,
+	defaultInterpolation,
 	keyframeId,
 }: {
 	channel: ScalarAnimationChannel | undefined;
 	time: number;
 	value: number;
-	interpolation: AnimationInterpolation;
+	interpolation?: AnimationInterpolation;
+	defaultInterpolation?: AnimationInterpolation;
 	keyframeId?: string;
 }): ScalarAnimationChannel {
 	const normalizedChannel = normalizeChannel({
@@ -352,10 +355,13 @@ function upsertScalarChannelKey({
 				time,
 				value,
 				interpolation,
-				previousKey: {
+				previousKey:
+					interpolation != null
+						? {
 								...keys[existingIndex],
 								segmentToNext: getScalarSegmentType({ interpolation }),
-				},
+							}
+						: keys[existingIndex],
 			});
 			return normalizeChannel({
 				channel: {
@@ -376,10 +382,13 @@ function upsertScalarChannelKey({
 			time: keys[existingAtTimeIndex].time,
 			value,
 			interpolation,
-			previousKey: {
+			previousKey:
+				interpolation != null
+					? {
 							...keys[existingAtTimeIndex],
 							segmentToNext: getScalarSegmentType({ interpolation }),
-			},
+						}
+					: keys[existingAtTimeIndex],
 		});
 		return normalizeChannel({
 			channel: {
@@ -395,7 +404,7 @@ function upsertScalarChannelKey({
 			id: keyframeId ?? generateUUID(),
 			time,
 			value,
-			interpolation,
+			interpolation: interpolation ?? defaultInterpolation,
 		}),
 	);
 	return normalizeChannel({
@@ -472,9 +481,13 @@ export function upsertPathKeyframe({
 		return animations;
 	}
 
-	const nextInterpolation = getInterpolationForBinding({
+	const explicitInterpolation =
+		interpolation != null
+			? getInterpolationForBinding({ kind, interpolation })
+			: undefined;
+	const validatedDefaultInterpolation = getInterpolationForBinding({
 		kind,
-		interpolation: interpolation ?? defaultInterpolation,
+		interpolation: defaultInterpolation,
 	});
 	nextAnimations.bindings[propertyPath] = binding;
 	for (const component of binding.components) {
@@ -503,7 +516,8 @@ export function upsertPathKeyframe({
 						channel: targetChannel,
 						time: targetKey.time,
 						value: nextValue as number,
-						interpolation: nextInterpolation,
+						interpolation: explicitInterpolation,
+						defaultInterpolation: validatedDefaultInterpolation,
 						keyframeId: targetKey.id,
 					});
 	}
@@ -592,7 +606,7 @@ export function upsertKeyframe({
 		channel,
 		time,
 		value,
-		interpolation: interpolation ?? "linear",
+		interpolation,
 		keyframeId,
 	});
 }

apps/web/src/lib/animation/property-registry.ts

@@ -3,9 +3,8 @@ import type {
 	AnimationInterpolation,
 	AnimationPropertyPath,
 	AnimationValue,
-	VectorValue,
 } from "@/lib/animation/types";
-import { isVectorValue, parseColorToLinearRgba } from "./binding-values";
+import { parseColorToLinearRgba } from "./binding-values";
 import type { TimelineElement } from "@/lib/timeline";
 import { MIN_TRANSFORM_SCALE } from "@/constants/animation-constants";
 import {
@@ -116,24 +115,38 @@ const ANIMATION_PROPERTY_REGISTRY: Record<
 	AnimationPropertyPath,
 	AnimationPropertyDefinition
 > = {
-	"transform.position": {
+	"transform.positionX": createNumberPropertyDefinition({
-		kind: "vector2",
+		numericRange: { step: 1 },
-		defaultInterpolation: "linear",
 		supportsElement: ({ element }) => isVisualElement(element),
 		getValue: ({ element }) =>
-			isVisualElement(element) ? element.transform.position : null,
+			isVisualElement(element) ? element.transform.position.x : null,
-		coerceValue: ({ value }) => (isVectorValue(value) ? value : null),
 		setValue: ({ element, value }) =>
 			isVisualElement(element)
 				? {
 						...element,
 						transform: {
 							...element.transform,
-							position: value as VectorValue,
+							position: { ...element.transform.position, x: value as number },
 						},
 					}
 				: element,
+	}),
+	"transform.positionY": createNumberPropertyDefinition({
+		numericRange: { step: 1 },
+		supportsElement: ({ element }) => isVisualElement(element),
+		getValue: ({ element }) =>
+			isVisualElement(element) ? element.transform.position.y : null,
+		setValue: ({ element, value }) =>
+			isVisualElement(element)
+				? {
+						...element,
+						transform: {
+							...element.transform,
+							position: { ...element.transform.position, y: value as number },
 						},
+					}
+				: element,
+	}),
 	"transform.scaleX": createNumberPropertyDefinition({
 		numericRange: { min: MIN_TRANSFORM_SCALE, step: 0.01 },
 		supportsElement: ({ element }) => isVisualElement(element),

apps/web/src/lib/animation/resolve.ts

@@ -48,12 +48,20 @@ export function resolveTransformAtTime({
 }): Transform {
 	const safeLocalTime = Math.max(0, localTime);
 	return {
-		position: resolveAnimationPathValueAtTime({
+		position: {
+			x: resolveAnimationPathValueAtTime({
 				animations,
-			propertyPath: "transform.position",
+				propertyPath: "transform.positionX",
 				localTime: safeLocalTime,
-			fallbackValue: baseTransform.position,
+				fallbackValue: baseTransform.position.x,
 			}),
+			y: resolveAnimationPathValueAtTime({
+				animations,
+				propertyPath: "transform.positionY",
+				localTime: safeLocalTime,
+				fallbackValue: baseTransform.position.y,
+			}),
+		},
 		scaleX: resolveAnimationPathValueAtTime({
 			animations,
 			propertyPath: "transform.scaleX",

apps/web/src/lib/animation/types.ts

@@ -1,7 +1,8 @@
 import type { ParamValues } from "@/lib/params";
 
 export const ANIMATION_PROPERTY_PATHS = [
-	"transform.position",
+	"transform.positionX",
+	"transform.positionY",
 	"transform.scaleX",
 	"transform.scaleY",
 	"transform.rotate",
@@ -34,7 +35,8 @@ export type VectorValue = { x: number; y: number };
 export type DiscreteValue = boolean | string;
 export type AnimationValue = number | string | boolean | VectorValue;
 export interface AnimationPropertyValueMap {
-	"transform.position": VectorValue;
+	"transform.positionX": number;
+	"transform.positionY": number;
 	"transform.scaleX": number;
 	"transform.scaleY": number;
 	"transform.rotate": number;

apps/web/src/services/storage/migrations/index.ts

@@ -23,10 +23,11 @@ import { V20toV21Migration } from "./v20-to-v21";
 import { V21toV22Migration } from "./v21-to-v22";
 import { V22toV23Migration } from "./v22-to-v23";
 import { V23toV24Migration } from "./v23-to-v24";
+import { V24toV25Migration } from "./v24-to-v25";
 export { runStorageMigrations } from "./runner";
 export type { MigrationProgress } from "./runner";
 
-export const CURRENT_PROJECT_VERSION = 24;
+export const CURRENT_PROJECT_VERSION = 25;
 
 export const migrations = [
 	new V0toV1Migration(),
@@ -53,4 +54,5 @@ export const migrations = [
 	new V21toV22Migration(),
 	new V22toV23Migration(),
 	new V23toV24Migration(),
+	new V24toV25Migration(),
 ];

apps/web/src/services/storage/migrations/transformers/v24-to-v25.ts

@@ -0,0 +1,140 @@
+import type { MigrationResult, ProjectRecord } from "./types";
+import { getProjectId, isRecord } from "./utils";
+
+export function transformProjectV24ToV25({
+	project,
+}: {
+	project: ProjectRecord;
+}): MigrationResult<ProjectRecord> {
+	if (!getProjectId({ project })) {
+		return { project, skipped: true, reason: "no project id" };
+	}
+
+	const version = project.version;
+	if (typeof version !== "number") {
+		return { project, skipped: true, reason: "invalid version" };
+	}
+	if (version >= 25) {
+		return { project, skipped: true, reason: "already v25" };
+	}
+	if (version !== 24) {
+		return { project, skipped: true, reason: "not v24" };
+	}
+
+	return {
+		project: {
+			...migrateProject({ project }),
+			version: 25,
+		},
+		skipped: false,
+	};
+}
+
+function migrateProject({
+	project,
+}: {
+	project: ProjectRecord;
+}): ProjectRecord {
+	if (!Array.isArray(project.scenes)) {
+		return project;
+	}
+
+	return {
+		...project,
+		scenes: project.scenes.map((scene) => migrateScene({ scene })),
+	};
+}
+
+function migrateScene({ scene }: { scene: unknown }): unknown {
+	if (!isRecord(scene) || !isRecord(scene.tracks)) {
+		return scene;
+	}
+
+	const tracks = scene.tracks;
+	const nextTracks: ProjectRecord = { ...tracks };
+
+	if (isRecord(tracks.main)) {
+		nextTracks.main = migrateTrack({ track: tracks.main });
+	}
+
+	if (Array.isArray(tracks.overlay)) {
+		nextTracks.overlay = tracks.overlay.map((track) =>
+			migrateTrack({ track }),
+		);
+	}
+
+	if (Array.isArray(tracks.audio)) {
+		nextTracks.audio = tracks.audio.map((track) => migrateTrack({ track }));
+	}
+
+	return { ...scene, tracks: nextTracks };
+}
+
+function migrateTrack({ track }: { track: unknown }): unknown {
+	if (!isRecord(track) || !Array.isArray(track.elements)) {
+		return track;
+	}
+
+	return {
+		...track,
+		elements: track.elements.map((element) => migrateElement({ element })),
+	};
+}
+
+function migrateElement({ element }: { element: unknown }): unknown {
+	if (!isRecord(element) || !isRecord(element.animations)) {
+		return element;
+	}
+
+	const nextAnimations = migrateAnimations({ animations: element.animations });
+	if (nextAnimations === element.animations) {
+		return element;
+	}
+
+	return { ...element, animations: nextAnimations };
+}
+
+function migrateAnimations({
+	animations,
+}: {
+	animations: ProjectRecord;
+}): ProjectRecord {
+	if (!isRecord(animations.bindings) || !isRecord(animations.channels)) {
+		return animations;
+	}
+
+	const positionBinding = animations.bindings["transform.position"];
+	if (!isRecord(positionBinding) || positionBinding.kind !== "vector2") {
+		return animations;
+	}
+
+	const xChannel = animations.channels["transform.position:x"];
+	const yChannel = animations.channels["transform.position:y"];
+
+	const nextBindings: ProjectRecord = { ...animations.bindings };
+	const nextChannels: ProjectRecord = { ...animations.channels };
+
+	delete nextBindings["transform.position"];
+	delete nextChannels["transform.position:x"];
+	delete nextChannels["transform.position:y"];
+
+	nextBindings["transform.positionX"] = {
+		path: "transform.positionX",
+		kind: "number",
+		components: [{ key: "value", channelId: "transform.positionX:value" }],
+	};
+	nextBindings["transform.positionY"] = {
+		path: "transform.positionY",
+		kind: "number",
+		components: [{ key: "value", channelId: "transform.positionY:value" }],
+	};
+
+	if (isRecord(xChannel)) {
+		nextChannels["transform.positionX:value"] = xChannel;
+	}
+	if (isRecord(yChannel)) {
+		nextChannels["transform.positionY:value"] = yChannel;
+	}
+
+	return { ...animations, bindings: nextBindings, channels: nextChannels };
+}

apps/web/src/services/storage/migrations/v24-to-v25.ts

@@ -0,0 +1,16 @@
+import { StorageMigration } from "./base";
+import type { ProjectRecord } from "./transformers/types";
+import { transformProjectV24ToV25 } from "./transformers/v24-to-v25";
+
+export class V24toV25Migration extends StorageMigration {
+	from = 24;
+	to = 25;
+
+	async transform(project: ProjectRecord): Promise<{
+		project: ProjectRecord;
+		skipped: boolean;
+		reason?: string;
+	}> {
+		return transformProjectV24ToV25({ project });
+	}
+}