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-rw-r--r--apps/web/src/animation/property-registry.ts390
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diff --git a/apps/web/src/animation/property-registry.ts b/apps/web/src/animation/property-registry.ts
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+import type {
+ AnimationBindingKind,
+ AnimationInterpolation,
+ AnimationPropertyPath,
+ AnimationValue,
+} from "@/animation/types";
+import { parseColorToLinearRgba } from "./binding-values";
+import type { TimelineElement } from "@/timeline";
+import { MIN_TRANSFORM_SCALE } from "@/animation/transform";
+import {
+ CORNER_RADIUS_MAX,
+ CORNER_RADIUS_MIN,
+} from "@/text/background";
+import {
+ canElementHaveAudio,
+ isVisualElement,
+} from "@/timeline/element-utils";
+import { VOLUME_DB_MAX, VOLUME_DB_MIN } from "@/timeline/audio-constants";
+import { DEFAULTS } from "@/timeline/defaults";
+import { snapToStep } from "@/utils/math";
+
+export interface NumericSpec {
+ min?: number;
+ max?: number;
+ step?: number;
+}
+
+export interface AnimationPropertyDefinition {
+ kind: AnimationBindingKind;
+ defaultInterpolation: AnimationInterpolation;
+ numericRanges?: Partial<Record<string, NumericSpec>>;
+ supportsElement: ({ element }: { element: TimelineElement }) => boolean;
+ getValue: ({ element }: { element: TimelineElement }) => AnimationValue | null;
+ coerceValue: ({ value }: { value: AnimationValue }) => AnimationValue | null;
+ setValue: ({
+ element,
+ value,
+ }: {
+ element: TimelineElement;
+ value: AnimationValue;
+ }) => TimelineElement;
+}
+
+function applyNumericSpec({
+ value,
+ numericRange,
+}: {
+ value: number;
+ numericRange: NumericSpec | undefined;
+}): number {
+ if (!numericRange) {
+ return value;
+ }
+
+ const steppedValue =
+ numericRange.step != null
+ ? snapToStep({ value, step: numericRange.step })
+ : value;
+ const minValue = numericRange.min ?? Number.NEGATIVE_INFINITY;
+ const maxValue = numericRange.max ?? Number.POSITIVE_INFINITY;
+ return Math.min(maxValue, Math.max(minValue, steppedValue));
+}
+
+function coerceNumberValue({
+ value,
+ numericRange,
+}: {
+ value: AnimationValue;
+ numericRange?: NumericSpec;
+}): number | null {
+ if (typeof value !== "number" || Number.isNaN(value)) {
+ return null;
+ }
+
+ return applyNumericSpec({ value, numericRange });
+}
+
+function coerceColorValue({
+ value,
+}: {
+ value: AnimationValue;
+}): string | null {
+ return typeof value === "string" && parseColorToLinearRgba({ color: value })
+ ? value
+ : null;
+}
+
+function createNumberPropertyDefinition({
+ numericRange,
+ supportsElement,
+ getValue,
+ setValue,
+}: {
+ numericRange?: NumericSpec;
+ supportsElement: AnimationPropertyDefinition["supportsElement"];
+ getValue: AnimationPropertyDefinition["getValue"];
+ setValue: AnimationPropertyDefinition["setValue"];
+}): AnimationPropertyDefinition {
+ return {
+ kind: "number",
+ defaultInterpolation: "linear",
+ numericRanges: numericRange ? { value: numericRange } : undefined,
+ supportsElement,
+ getValue,
+ coerceValue: ({ value }) =>
+ coerceNumberValue({
+ value,
+ numericRange,
+ }),
+ setValue,
+ };
+}
+
+const ANIMATION_PROPERTY_REGISTRY: Record<
+ AnimationPropertyPath,
+ AnimationPropertyDefinition
+> = {
+ "transform.positionX": createNumberPropertyDefinition({
+ numericRange: { step: 1 },
+ supportsElement: ({ element }) => isVisualElement(element),
+ getValue: ({ element }) =>
+ isVisualElement(element) ? element.transform.position.x : null,
+ setValue: ({ element, value }) =>
+ isVisualElement(element)
+ ? {
+ ...element,
+ transform: {
+ ...element.transform,
+ 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),
+ getValue: ({ element }) =>
+ isVisualElement(element) ? element.transform.scaleX : null,
+ setValue: ({ element, value }) =>
+ isVisualElement(element)
+ ? {
+ ...element,
+ transform: { ...element.transform, scaleX: value as number },
+ }
+ : element,
+ }),
+ "transform.scaleY": createNumberPropertyDefinition({
+ numericRange: { min: MIN_TRANSFORM_SCALE, step: 0.01 },
+ supportsElement: ({ element }) => isVisualElement(element),
+ getValue: ({ element }) =>
+ isVisualElement(element) ? element.transform.scaleY : null,
+ setValue: ({ element, value }) =>
+ isVisualElement(element)
+ ? {
+ ...element,
+ transform: { ...element.transform, scaleY: value as number },
+ }
+ : element,
+ }),
+ "transform.rotate": createNumberPropertyDefinition({
+ numericRange: { min: -360, max: 360, step: 1 },
+ supportsElement: ({ element }) => isVisualElement(element),
+ getValue: ({ element }) =>
+ isVisualElement(element) ? element.transform.rotate : null,
+ setValue: ({ element, value }) =>
+ isVisualElement(element)
+ ? {
+ ...element,
+ transform: { ...element.transform, rotate: value as number },
+ }
+ : element,
+ }),
+ opacity: createNumberPropertyDefinition({
+ numericRange: { min: 0, max: 1, step: 0.01 },
+ supportsElement: ({ element }) => isVisualElement(element),
+ getValue: ({ element }) =>
+ isVisualElement(element) ? element.opacity : null,
+ setValue: ({ element, value }) =>
+ isVisualElement(element)
+ ? { ...element, opacity: value as number }
+ : element,
+ }),
+ volume: createNumberPropertyDefinition({
+ numericRange: { min: VOLUME_DB_MIN, max: VOLUME_DB_MAX, step: 0.01 },
+ supportsElement: ({ element }) => canElementHaveAudio(element),
+ getValue: ({ element }) =>
+ canElementHaveAudio(element) ? element.volume ?? 0 : null,
+ setValue: ({ element, value }) =>
+ canElementHaveAudio(element)
+ ? { ...element, volume: value as number }
+ : element,
+ }),
+ color: {
+ kind: "color",
+ defaultInterpolation: "linear",
+ supportsElement: ({ element }) => element.type === "text",
+ getValue: ({ element }) => (element.type === "text" ? element.color : null),
+ coerceValue: ({ value }) => coerceColorValue({ value }),
+ setValue: ({ element, value }) =>
+ element.type === "text"
+ ? { ...element, color: value as string }
+ : element,
+ },
+ "background.color": {
+ kind: "color",
+ defaultInterpolation: "linear",
+ supportsElement: ({ element }) => element.type === "text",
+ getValue: ({ element }) =>
+ element.type === "text" ? element.background.color : null,
+ coerceValue: ({ value }) => coerceColorValue({ value }),
+ setValue: ({ element, value }) =>
+ element.type === "text"
+ ? {
+ ...element,
+ background: { ...element.background, color: value as string },
+ }
+ : element,
+ },
+ "background.paddingX": createNumberPropertyDefinition({
+ numericRange: { min: 0, step: 1 },
+ supportsElement: ({ element }) => element.type === "text",
+ getValue: ({ element }) =>
+ element.type === "text"
+ ? (element.background.paddingX ?? DEFAULTS.text.background.paddingX)
+ : null,
+ setValue: ({ element, value }) =>
+ element.type === "text"
+ ? {
+ ...element,
+ background: { ...element.background, paddingX: value as number },
+ }
+ : element,
+ }),
+ "background.paddingY": createNumberPropertyDefinition({
+ numericRange: { min: 0, step: 1 },
+ supportsElement: ({ element }) => element.type === "text",
+ getValue: ({ element }) =>
+ element.type === "text"
+ ? (element.background.paddingY ?? DEFAULTS.text.background.paddingY)
+ : null,
+ setValue: ({ element, value }) =>
+ element.type === "text"
+ ? {
+ ...element,
+ background: { ...element.background, paddingY: value as number },
+ }
+ : element,
+ }),
+ "background.offsetX": createNumberPropertyDefinition({
+ numericRange: { step: 1 },
+ supportsElement: ({ element }) => element.type === "text",
+ getValue: ({ element }) =>
+ element.type === "text"
+ ? (element.background.offsetX ?? DEFAULTS.text.background.offsetX)
+ : null,
+ setValue: ({ element, value }) =>
+ element.type === "text"
+ ? {
+ ...element,
+ background: { ...element.background, offsetX: value as number },
+ }
+ : element,
+ }),
+ "background.offsetY": createNumberPropertyDefinition({
+ numericRange: { step: 1 },
+ supportsElement: ({ element }) => element.type === "text",
+ getValue: ({ element }) =>
+ element.type === "text"
+ ? (element.background.offsetY ?? DEFAULTS.text.background.offsetY)
+ : null,
+ setValue: ({ element, value }) =>
+ element.type === "text"
+ ? {
+ ...element,
+ background: { ...element.background, offsetY: value as number },
+ }
+ : element,
+ }),
+ "background.cornerRadius": createNumberPropertyDefinition({
+ numericRange: {
+ min: CORNER_RADIUS_MIN,
+ max: CORNER_RADIUS_MAX,
+ step: 1,
+ },
+ supportsElement: ({ element }) => element.type === "text",
+ getValue: ({ element }) =>
+ element.type === "text"
+ ? (element.background.cornerRadius ?? CORNER_RADIUS_MIN)
+ : null,
+ setValue: ({ element, value }) =>
+ element.type === "text"
+ ? {
+ ...element,
+ background: { ...element.background, cornerRadius: value as number },
+ }
+ : element,
+ }),
+};
+
+export function isAnimationPropertyPath(
+ propertyPath: string,
+): propertyPath is AnimationPropertyPath {
+ return Object.hasOwn(ANIMATION_PROPERTY_REGISTRY, propertyPath);
+}
+
+export function getAnimationPropertyDefinition({
+ propertyPath,
+}: {
+ propertyPath: AnimationPropertyPath;
+}): AnimationPropertyDefinition {
+ return ANIMATION_PROPERTY_REGISTRY[propertyPath];
+}
+
+export function supportsAnimationProperty({
+ element,
+ propertyPath,
+}: {
+ element: TimelineElement;
+ propertyPath: AnimationPropertyPath;
+}): boolean {
+ const propertyDefinition = getAnimationPropertyDefinition({ propertyPath });
+ return propertyDefinition.supportsElement({ element });
+}
+
+export function getElementBaseValueForProperty({
+ element,
+ propertyPath,
+}: {
+ element: TimelineElement;
+ propertyPath: AnimationPropertyPath;
+}): AnimationValue | null {
+ const definition = getAnimationPropertyDefinition({ propertyPath });
+ if (!definition.supportsElement({ element })) {
+ return null;
+ }
+ return definition.getValue({ element });
+}
+
+export function withElementBaseValueForProperty({
+ element,
+ propertyPath,
+ value,
+}: {
+ element: TimelineElement;
+ propertyPath: AnimationPropertyPath;
+ value: AnimationValue;
+}): TimelineElement {
+ const definition = getAnimationPropertyDefinition({ propertyPath });
+ const coercedValue = definition.coerceValue({ value });
+ if (coercedValue === null || !definition.supportsElement({ element })) {
+ return element;
+ }
+ return definition.setValue({ element, value: coercedValue });
+}
+
+export function getDefaultInterpolationForProperty({
+ propertyPath,
+}: {
+ propertyPath: AnimationPropertyPath;
+}): AnimationInterpolation {
+ const propertyDefinition = getAnimationPropertyDefinition({ propertyPath });
+ return propertyDefinition.defaultInterpolation;
+}
+
+export function coerceAnimationValueForProperty({
+ propertyPath,
+ value,
+}: {
+ propertyPath: AnimationPropertyPath;
+ value: AnimationValue;
+}): AnimationValue | null {
+ const propertyDefinition = getAnimationPropertyDefinition({ propertyPath });
+ return propertyDefinition.coerceValue({ value });
+}
generated by cgit v1.3.1 (git 2.54.0) at 2026-10-17 07:03:47 +0000