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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 | 1x 3x 3x 3x 3x 3x 3x 5x 5x 1x 4x 4x 1x 1x 3x 3x 3x | const DEFAULT_DUPLICATE_SIGINT_WINDOW_MS = 750;
interface SigintHandlerOptions {
abortController: AbortController;
interrupted: { value: boolean };
now?: () => number;
exit?: (code: number) => void;
duplicateWindowMs?: number;
}
/**
* Create the CLI SIGINT handler.
*/
export function createSigintHandler(options: SigintHandlerOptions): () => void {
const duplicateWindowMs = options.duplicateWindowMs ?? DEFAULT_DUPLICATE_SIGINT_WINDOW_MS;
const now = options.now ?? (() => Date.now());
const exit = options.exit ?? ((code) => process.exit(code));
let gracefulInterruptSeen = false;
let lastSigintAt = 0;
return () => {
const sigintAt = now();
if (gracefulInterruptSeen && sigintAt - lastSigintAt < duplicateWindowMs) {
return;
}
lastSigintAt = sigintAt;
if (gracefulInterruptSeen) {
exit(130);
return;
}
gracefulInterruptSeen = true;
options.abortController.abort();
options.interrupted.value = true;
};
}
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