react-native-audio-api/lib/module/Audio/controls/audioControlUtils.js

react-native-audio-api provides system for controlling audio in React Native environment compatible with Web Audio API specification

"use strict";

import { useMemo } from 'react';
import { useSharedValue, useAnimatedStyle, withTiming } from 'react-native-reanimated';
export function formatTime(seconds) {
  if (!Number.isFinite(seconds) || seconds < 0) {
    return '0:00';
  }
  const h = Math.floor(seconds / 3600);
  const m = Math.floor(seconds % 3600 / 60);
  const s = Math.floor(seconds % 60);
  if (h > 0) {
    return `${h}:${m.toString().padStart(2, '0')}:${s.toString().padStart(2, '0')}`;
  } else {
    return `${m}:${s.toString().padStart(2, '0')}`;
  }
}
export function timeFromLocationX(locationX, trackWidth, durationSeconds) {
  if (trackWidth <= 0 || durationSeconds <= 0) {
    return 0;
  }
  const pct = Math.max(0, Math.min(1, locationX / trackWidth));
  return pct * durationSeconds;
}
export function useExpandableTrackHeight(trackBarHeight, trackBarHeightPressed, trackBarAnimMs) {
  const height = useSharedValue(trackBarHeight);
  const animatedStyle = useAnimatedStyle(() => ({
    height: height.value,
    borderRadius: height.value / 2
  }));
  return useMemo(() => ({
    animatedStyle,
    expand: () => {
      height.value = withTiming(trackBarHeightPressed, {
        duration: trackBarAnimMs
      });
    },
    collapse: () => {
      height.value = withTiming(trackBarHeight, {
        duration: trackBarAnimMs
      });
    }
  }), [animatedStyle, height, trackBarHeight, trackBarHeightPressed, trackBarAnimMs]);
}
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