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5b33947909
Move clampInt to server/_shared/constants.ts as a single shared export. Remove 4 duplicate inline definitions from research handlers and re-export from cyber/_shared.ts for backward compatibility. Simplify tech-events limit/days clamping by removing redundant guards.
27 lines
1014 B
TypeScript
27 lines
1014 B
TypeScript
export const CHROME_UA = 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36';
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export function clampInt(value: number | undefined, fallback: number, min: number, max: number): number {
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if (!Number.isFinite(value)) return fallback;
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return Math.max(min, Math.min(max, Math.floor(value as number)));
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}
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/**
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* Global Yahoo Finance request gate.
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* Ensures minimum spacing between ANY Yahoo requests across all handlers.
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* Multiple handlers calling Yahoo concurrently causes IP-level rate limiting (429).
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*/
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let yahooLastRequest = 0;
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const YAHOO_MIN_GAP_MS = 600;
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let yahooQueue: Promise<void> = Promise.resolve();
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export function yahooGate(): Promise<void> {
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yahooQueue = yahooQueue.then(async () => {
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const elapsed = Date.now() - yahooLastRequest;
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if (elapsed < YAHOO_MIN_GAP_MS) {
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await new Promise<void>(r => setTimeout(r, YAHOO_MIN_GAP_MS - elapsed));
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}
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yahooLastRequest = Date.now();
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});
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return yahooQueue;
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}
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