e8e6150137
The agent card's overview gets a forge row with two links, built from the forge entry of the swarm's service links.
40 lines
1.2 KiB
TypeScript
40 lines
1.2 KiB
TypeScript
// The swarm forge's base URL, from `GET /api/links`. Fetched once and shared by
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// every agent card, so opening many cards sends one request. A failed fetch
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// is not kept, so the next card retries; the links just stay hidden meanwhile.
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import { useEffect, useState } from "preact/hooks";
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import type { MenuLink } from "@hive/shared/links-menu.js";
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import { forgeBase } from "./forge-links.js";
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let pending: Promise<string | null> | null = null;
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function loadForgeBase(): Promise<string | null> {
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if (!pending) {
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pending = fetch("/api/links")
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.then((r) =>
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r.ok
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? (r.json() as Promise<MenuLink[]>)
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: Promise.reject(new Error(`http ${r.status}`)),
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)
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.then(forgeBase)
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.catch(() => {
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pending = null;
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return null;
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});
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}
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return pending;
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}
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/** The forge's base URL, or null until known (or when the swarm lists none). */
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export function useForgeBase(): string | null {
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const [base, setBase] = useState<string | null>(null);
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useEffect(() => {
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let live = true;
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void loadForgeBase().then((b) => {
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if (live) setBase(b);
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});
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return () => {
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live = false;
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};
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}, []);
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return base;
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}
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