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Remove some unused vars. Memoize getSortedTracks

This commit is contained in:
Stefano Brilli 2021-09-21 00:27:52 +02:00
parent c647826f58
commit db39e9239e
1 changed files with 2 additions and 5 deletions
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7
src/components/controls.tsx
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@ -1,4 +1,4 @@
import React, { useCallback, useRef, useEffect, useState } from 'react';
import React, { useCallback, useRef, useEffect, useState, useMemo } from 'react';
import clsx from 'clsx';
import PlayArrowIcon from '@material-ui/icons/PlayArrow';
@ -129,15 +129,12 @@ export const Controls = () => {
dispatch(control('pause'));
}, [dispatch]);
const [initialized, setInitialized] = useState(false);
const navigator = window.navigator as any;
let message = ``;
let trackIndex = deviceStatus?.track ?? null;
let deviceState = deviceStatus?.state ?? null;
let discPresent = deviceStatus?.discPresent ?? false;
let paused = deviceStatus?.state === 'paused';
const tracks = getSortedTracks(disc);
const tracks = useMemo(() => getSortedTracks(disc), [disc]);
if (!discPresent) {
message = ``;
} else if (deviceState === 'readingTOC') {