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37 lines
943 B
TypeScript
37 lines
943 B
TypeScript
/**
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* @license
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* Copyright 2025 Google LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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import { useEffect } from 'react';
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import type { KeypressHandler, Key } from '../contexts/KeypressContext.js';
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import { useKeypressContext } from '../contexts/KeypressContext.js';
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export type { Key };
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/**
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* A hook that listens for keypress events from stdin.
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*
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* @param onKeypress - The callback function to execute on each keypress.
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* @param options - Options to control the hook's behavior.
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* @param options.isActive - Whether the hook should be actively listening for input.
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*/
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export function useKeypress(
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onKeypress: KeypressHandler,
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{ isActive }: { isActive: boolean },
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) {
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const { subscribe, unsubscribe } = useKeypressContext();
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useEffect(() => {
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if (!isActive) {
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return;
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}
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subscribe(onKeypress);
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return () => {
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unsubscribe(onKeypress);
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};
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}, [isActive, onKeypress, subscribe, unsubscribe]);
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}
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