buroventures-harald-code
Version:
Harald Code - AI-powered coding assistant CLI
44 lines • 2.2 kB
JavaScript
/**
* @license
* Copyright 2025 Google LLC
* SPDX-License-Identifier: Apache-2.0
*/
import { StreamingState } from '../types.js';
import { useTimer } from './useTimer.js';
import { usePhraseCycler } from './usePhraseCycler.js';
import { useState, useEffect, useRef } from 'react'; // Added useRef
export const useLoadingIndicator = (streamingState) => {
const [timerResetKey, setTimerResetKey] = useState(0);
const isTimerActive = streamingState === StreamingState.Responding;
const elapsedTimeFromTimer = useTimer(isTimerActive, timerResetKey);
const isPhraseCyclingActive = streamingState === StreamingState.Responding;
const isWaiting = streamingState === StreamingState.WaitingForConfirmation;
const currentLoadingPhrase = usePhraseCycler(isPhraseCyclingActive, isWaiting);
const [retainedElapsedTime, setRetainedElapsedTime] = useState(0);
const prevStreamingStateRef = useRef(null);
useEffect(() => {
if (prevStreamingStateRef.current === StreamingState.WaitingForConfirmation &&
streamingState === StreamingState.Responding) {
setTimerResetKey((prevKey) => prevKey + 1);
setRetainedElapsedTime(0); // Clear retained time when going back to responding
}
else if (streamingState === StreamingState.Idle &&
prevStreamingStateRef.current === StreamingState.Responding) {
setTimerResetKey((prevKey) => prevKey + 1); // Reset timer when becoming idle from responding
setRetainedElapsedTime(0);
}
else if (streamingState === StreamingState.WaitingForConfirmation) {
// Capture the time when entering WaitingForConfirmation
// elapsedTimeFromTimer will hold the last value from when isTimerActive was true.
setRetainedElapsedTime(elapsedTimeFromTimer);
}
prevStreamingStateRef.current = streamingState;
}, [streamingState, elapsedTimeFromTimer]);
return {
elapsedTime: streamingState === StreamingState.WaitingForConfirmation
? retainedElapsedTime
: elapsedTimeFromTimer,
currentLoadingPhrase,
};
};
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