40 lines
1.1 KiB
TypeScript
40 lines
1.1 KiB
TypeScript
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type PluginRuntimeBridge = Pick<NetcattyBridge, "getPluginRuntimeStatus">;
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interface StatusCacheEntry {
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value?: NetcattyPluginRuntimeStatus;
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pending?: Promise<NetcattyPluginRuntimeStatus>;
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}
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let statusByBridge = new WeakMap<object, StatusCacheEntry>();
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export async function getSharedPluginRuntimeStatus(
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bridge: PluginRuntimeBridge,
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): Promise<NetcattyPluginRuntimeStatus> {
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const key = bridge as object;
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let entry = statusByBridge.get(key);
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if (!entry) {
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entry = {};
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statusByBridge.set(key, entry);
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}
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if (entry.value) return entry.value;
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if (entry.pending) return entry.pending;
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const pending = bridge.getPluginRuntimeStatus!().then((status) => {
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entry!.value = status;
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return status;
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}).finally(() => {
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if (entry?.pending === pending) entry.pending = undefined;
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});
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entry.pending = pending;
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return pending;
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}
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export function invalidateSharedPluginRuntimeStatus(bridge: object): void {
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const entry = statusByBridge.get(bridge);
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if (entry) entry.value = undefined;
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}
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export function _resetSharedPluginRuntimeStatusForTests(): void {
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statusByBridge = new WeakMap();
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}
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