@dvcol/svelte-utils/dist/component.js

Svelte library for common utility functions and constants

export const isLazyComponent = (component) => !!(component &&
    typeof component === 'function' &&
    // Wrapped with toLazyComponent
    (component._isLazyComponent ||
        // Wrapped in async function
        component.constructor.name === 'AsyncFunction' ||
        // Arrow function named as component
        component.name === 'component'));
export const isSnippet = (componentOrSnippet) => componentOrSnippet?.length === 1;
export const toLazyComponent = (fn) => {
    const component = fn;
    component._isLazyComponent = true;
    return component;
};
export function isSyncComponentOrSnippet(component) {
    return isSnippet(component) || !isLazyComponent(component);
}
export async function resolveComponent(component, { onStart, onLoading, onLoaded, onError, } = {}) {
    if (!component || isSyncComponentOrSnippet(component)) {
        await onStart?.();
        await onLoaded?.(component);
        return component;
    }
    return resolveAsyncComponent(component, { onStart, onLoading, onLoaded, onError });
}
export async function resolveAsyncComponent(component, { onStart, onLoading, onLoaded, onError, } = {}) {
    await onStart?.();
    onLoading?.();
    try {
        const awaited = await component();
        await onLoaded?.(awaited.default);
        return awaited.default;
    }
    catch (error) {
        await onError?.(error);
        return undefined;
    }
}