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import type {
AnimationChannel,
ChannelData,
CompositeChannelData,
} from "@/animation/types";
const LEGACY_ANIMATION_STORAGE_KEYS = new Set(["bindings", "channels"]);
function isRecord(value: unknown): value is Record<string, unknown> {
return typeof value === "object" && value !== null;
}
export function isLeafChannelData(
data: ChannelData | undefined,
): data is AnimationChannel {
return isRecord(data) && Array.isArray(data.keys);
}
export function isCompositeChannelData(
data: ChannelData | undefined,
): data is CompositeChannelData {
return isRecord(data) && !Array.isArray(data.keys);
}
export function getChannelsFromData({
data,
}: {
data: ChannelData | undefined;
}): AnimationChannel[] {
if (isLeafChannelData(data)) {
return [data];
}
if (!isCompositeChannelData(data)) {
return [];
}
return Object.values(data).filter(isLeafChannelData);
}
export function getChannelEntriesFromData({
data,
}: {
data: ChannelData | undefined;
}): Array<[string, AnimationChannel]> {
if (isLeafChannelData(data)) {
return [["value", data]];
}
if (!isCompositeChannelData(data)) {
return [];
}
return Object.entries(data).flatMap(([componentKey, channel]) =>
isLeafChannelData(channel) ? [[componentKey, channel]] : [],
);
}
export function isAnimationStorageKey({ key }: { key: string }): boolean {
return !LEGACY_ANIMATION_STORAGE_KEYS.has(key);
}
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