flbxcup/resources/js/components/ui/carousel/context.ts
2025-06-23 23:12:40 +02:00

56 lines
1.8 KiB
TypeScript

import type { WithElementRef } from "@/lib/utils.js";
import type { EmblaCarouselSvelteType } from "embla-carousel-svelte";
import type emblaCarouselSvelte from "embla-carousel-svelte";
import { getContext, hasContext, setContext } from "svelte";
import type { HTMLAttributes } from "svelte/elements";
export type CarouselAPI =
NonNullable<NonNullable<EmblaCarouselSvelteType["$$_attributes"]>["on:emblaInit"]> extends (
evt: CustomEvent<infer CarouselAPI>
) => void
? CarouselAPI
: never;
type EmblaCarouselConfig = NonNullable<Parameters<typeof emblaCarouselSvelte>[1]>;
export type CarouselOptions = EmblaCarouselConfig["options"];
export type CarouselPlugins = EmblaCarouselConfig["plugins"];
////
export type CarouselProps = {
opts?: CarouselOptions;
plugins?: CarouselPlugins;
setApi?: (api: CarouselAPI | undefined) => void;
orientation?: "horizontal" | "vertical";
} & WithElementRef<HTMLAttributes<HTMLDivElement>>;
const EMBLA_CAROUSEL_CONTEXT = Symbol("EMBLA_CAROUSEL_CONTEXT");
export type EmblaContext = {
api: CarouselAPI | undefined;
orientation: "horizontal" | "vertical";
scrollNext: () => void;
scrollPrev: () => void;
canScrollNext: boolean;
canScrollPrev: boolean;
handleKeyDown: (e: KeyboardEvent) => void;
options: CarouselOptions;
plugins: CarouselPlugins;
onInit: (e: CustomEvent<CarouselAPI>) => void;
scrollTo: (index: number, jump?: boolean) => void;
scrollSnaps: number[];
selectedIndex: number;
};
export function setEmblaContext(config: EmblaContext): EmblaContext {
setContext(EMBLA_CAROUSEL_CONTEXT, config);
return config;
}
export function getEmblaContext(name = "This component") {
if (!hasContext(EMBLA_CAROUSEL_CONTEXT)) {
throw new Error(`${name} must be used within a <Carousel.Root> component`);
}
return getContext<ReturnType<typeof setEmblaContext>>(EMBLA_CAROUSEL_CONTEXT);
}