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Brooooooklyn
482b534a90
There is no impact on the existing logger, as the current logger is used with `new Logger(Context)` and does not utilize dependency injection. In the next phase, gradually replace and supplement the existing `Logger`.
26 lines
659 B
TypeScript
26 lines
659 B
TypeScript
import { NextFunction, Request, Response } from 'express';
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import onHeaders from 'on-headers';
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export const serverTimingAndCache = (
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req: Request,
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res: Response,
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next: NextFunction
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) => {
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req.res = res;
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const now = process.hrtime();
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onHeaders(res, () => {
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const delta = process.hrtime(now);
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const costInMilliseconds = (delta[0] + delta[1] / 1e9) * 1000;
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const serverTiming = res.getHeader('Server-Timing') as string | undefined;
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const serverTimingValue = `${
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serverTiming ? `${serverTiming}, ` : ''
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}affine-server;dur=${costInMilliseconds}`;
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res.setHeader('Server-Timing', serverTimingValue);
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});
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next();
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};
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