slhx agent
2cc6c85e37
Introduce hemx-host with typed capability manifests, calls, events, host-check failures, reusable browser/PWA and native-shell profiles, and a tiny optional browser adapter for haptics/share that returns host events without DOM mutation. req: host/001 req: host/002 req: host/003 req: host/004 req: host/005
50 lines
1.9 KiB
JavaScript
50 lines
1.9 KiB
JavaScript
(() => {
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function variant(value) {
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if (!value || typeof value !== "object") return null;
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const keys = Object.keys(value);
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return keys.length === 1 ? { kind: keys[0], data: value[keys[0]] || {} } : null;
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}
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function failure(id, message) {
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return { Failed: { id: id || null, message: String(message) } };
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}
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async function haptic(data) {
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if (!navigator.vibrate) return failure(data.id, "haptics unsupported");
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const pattern = data.pattern === "Warning" || data.pattern === "Error" ? [30, 40, 30] : 20;
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navigator.vibrate(pattern);
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return { Acknowledged: { id: data.id } };
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}
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async function share(data) {
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if (!navigator.share) return failure(data.id, "share unsupported");
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const payload = data.payload || {};
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const request = {};
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if (payload.title) request.title = payload.title;
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if (payload.text) request.text = payload.text;
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if (payload.url) request.url = payload.url;
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try {
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await navigator.share(request);
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return { ShareCompleted: { id: data.id, completed: true } };
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} catch (error) {
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if (error && error.name === "AbortError") return { ShareCompleted: { id: data.id, completed: false } };
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return failure(data.id, error && error.message ? error.message : error);
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}
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}
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function supports(capability, shape) {
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return (capability === "haptics" && shape === "Fire" && !!navigator.vibrate)
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|| (capability === "share" && shape === "Request" && !!navigator.share);
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}
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async function perform(call) {
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const request = variant(call);
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if (!request) return failure(null, "invalid host call");
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if (request.kind === "Haptic") return haptic(request.data);
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if (request.kind === "Share") return share(request.data);
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return failure(request.data.id || null, `unsupported host call ${request.kind}`);
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}
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window.hemxBrowserHost = Object.freeze({ name: "browser-pwa", supports, perform });
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})();
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