72 lines
1.7 KiB
TypeScript
72 lines
1.7 KiB
TypeScript
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import { computed, onMounted, onUnmounted, readonly, shallowRef } from "vue";
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import { createPreviewRuntimeSnapshot } from "../mock/runtime-preview";
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import type { DesktopRuntimeSnapshot } from "../types";
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const snapshot = shallowRef<DesktopRuntimeSnapshot | null>(null);
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const loading = shallowRef(false);
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const error = shallowRef<string | null>(null);
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let intervalHandle: ReturnType<typeof setInterval> | null = null;
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let subscribers = 0;
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async function refreshRuntimeSnapshot() {
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loading.value = true;
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error.value = null;
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try {
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if (window.desktopBridge?.app?.runtimeSnapshot) {
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snapshot.value = await window.desktopBridge.app.runtimeSnapshot();
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return;
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}
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snapshot.value = createPreviewRuntimeSnapshot();
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} catch (err) {
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error.value = err instanceof Error ? err.message : "runtime snapshot unavailable";
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} finally {
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loading.value = false;
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}
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}
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function startPolling() {
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if (intervalHandle) {
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return;
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}
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intervalHandle = setInterval(() => {
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void refreshRuntimeSnapshot();
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}, 15_000);
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}
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function stopPolling() {
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if (subscribers > 0 || !intervalHandle) {
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return;
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}
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clearInterval(intervalHandle);
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intervalHandle = null;
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}
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export function useDesktopRuntime() {
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onMounted(() => {
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subscribers += 1;
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if (!snapshot.value && !loading.value) {
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void refreshRuntimeSnapshot();
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}
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startPolling();
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});
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onUnmounted(() => {
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subscribers = Math.max(0, subscribers - 1);
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stopPolling();
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});
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return {
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snapshot: readonly(snapshot),
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loading: readonly(loading),
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error: readonly(error),
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refresh: refreshRuntimeSnapshot,
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hasSnapshot: computed(() => snapshot.value !== null),
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};
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}
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