Spaces:
Runtime error
Runtime error
| import { useEffect, useState } from "react"; | |
| import { settingsApi } from "../api/endpoints"; | |
| /** Posts a report or infographic reads, and a dialog ticks to start with (the server's ARTIFACT_MAX_POSTS; this is the default until it | |
| * answers). A quiz or flashcard set can pick as many as the plan indexes (`selectable`). */ | |
| export type ArtifactLimits = { posts: number; selectable: number }; | |
| const DEFAULTS: ArtifactLimits = { posts: 20, selectable: 20 }; | |
| let known: ArtifactLimits | null = null; | |
| let asked: Promise<ArtifactLimits> | null = null; | |
| const listeners = new Set<(l: ArtifactLimits) => void>(); | |
| /** Ask the server once; everyone shares the answer. */ | |
| export function loadArtifactLimits(): Promise<ArtifactLimits> { | |
| if (!asked) { | |
| asked = settingsApi.limits().then((r) => { | |
| known = { posts: r.posts, selectable: r.selectable_posts }; | |
| listeners.forEach((fn) => fn(known!)); | |
| return known; | |
| }).catch(() => { | |
| asked = null; // try again next time | |
| return known ?? DEFAULTS; | |
| }); | |
| } | |
| return asked; | |
| } | |
| export function useArtifactLimits(): ArtifactLimits { | |
| const [limits, setLimits] = useState<ArtifactLimits>(known ?? DEFAULTS); | |
| useEffect(() => { | |
| listeners.add(setLimits); | |
| void loadArtifactLimits(); | |
| return () => { | |
| listeners.delete(setLimits); | |
| }; | |
| }, []); | |
| return limits; | |
| } | |