28 lines
796 B
TypeScript
28 lines
796 B
TypeScript
/* eslint-disable @typescript-eslint/no-explicit-any */
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import cache from "memory-cache";
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import { ErrorCode } from "@calcom/features/auth/lib";
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const rateLimit = (options: { intervalInMs: number }) => {
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return {
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check: (requestLimit: number, uniqueIdentifier: string) => {
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const count = cache.get(uniqueIdentifier) || [0];
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if (count[0] === 0) {
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cache.put(uniqueIdentifier, count, options.intervalInMs);
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}
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count[0] += 1;
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const currentUsage = count[0];
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const isRateLimited = currentUsage >= requestLimit;
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if (isRateLimited) {
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throw new Error(ErrorCode.RateLimitExceeded);
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}
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return { isRateLimited, requestLimit, remaining: isRateLimited ? 0 : requestLimit - currentUsage };
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},
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};
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};
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export default rateLimit;
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