wehub-resource-sync
49 lines
1.2 KiB
TypeScript
49 lines
1.2 KiB
TypeScript
import { type DataFunctionArgs } from "@remix-run/node";
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import { PerformanceObserver } from "node:perf_hooks";
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import { runInNewContext } from "node:vm";
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import v8 from "v8";
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import { requireAdminApiRequest } from "~/services/personalAccessToken.server";
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async function waitTillGcFinishes() {
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let resolver: (value: PerformanceEntry) => void;
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let _rejector: (reason?: any) => void;
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const promise = new Promise<PerformanceEntry>((resolve, reject) => {
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resolver = resolve;
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_rejector = reject;
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});
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const obs = new PerformanceObserver((list) => {
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const entry = list.getEntries()[0];
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if (entry.name === "gc") {
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resolver(entry);
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}
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});
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obs.observe({ entryTypes: ["gc"] });
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v8.setFlagsFromString("--expose-gc");
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const gc = global.gc ?? runInNewContext("gc");
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gc();
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// disable expose-gc
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v8.setFlagsFromString("--noexpose-gc");
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return promise;
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}
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export async function loader({ request }: DataFunctionArgs) {
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await requireAdminApiRequest(request);
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const entry = await waitTillGcFinishes();
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return new Response(JSON.stringify(entry), {
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status: 200,
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headers: {
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"Content-Type": "application/json",
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},
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});
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}
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