91 lines
2.4 KiB
JavaScript
91 lines
2.4 KiB
JavaScript
import React, { useEffect } from 'react';
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// import useSWR from 'swr';
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import { FontAwesomeIcon } from '@fortawesome/react-fontawesome';
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import {
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Button,
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// Spinner
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} from 'react-bootstrap';
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import useSWR from 'swr';
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import { FormattedMessage } from 'react-intl';
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import { fetchJson } from '../util/api';
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let darkToggleAnimationTimer = null;
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function triggerDarkToggleAnimation() {
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document.documentElement.setAttribute('data-toggled-dark', 'true');
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if (darkToggleAnimationTimer !== null) {
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clearTimeout(darkToggleAnimationTimer);
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}
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darkToggleAnimationTimer = setTimeout(() => {
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document.documentElement.removeAttribute('data-toggled-dark');
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}, 1200);
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}
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export default function DarkToggler() {
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const {
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data, error, isValidating, mutate,
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} = useSWR('/api/user');
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let enableDark = false;
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let isLoading = false;
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if (isValidating || !data) {
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isLoading = true;
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}
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if (error) {
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console.warn(error);
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isLoading = false;
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} else if (data) {
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enableDark = data.enableDark;
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}
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useEffect(() => {
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if (!isLoading) {
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console.info('enable dark:', enableDark);
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if (enableDark) {
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document.documentElement.setAttribute('data-enable-dark', 'true');
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} else {
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document.documentElement.removeAttribute('data-enable-dark');
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}
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}
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});
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return (
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<>
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<Button
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onClick={async () => {
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const { enableDark: newEnableDark } = await fetchJson('/api/toggleDark');
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triggerDarkToggleAnimation();
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mutate({ enableDark: newEnableDark }, true);
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}}
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disabled={isLoading}
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variant="outline-secondary"
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active={!enableDark}
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>
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{/*
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isLoading
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? (
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<Spinner animation="border" role="status" size="sm">
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<span className="sr-only">
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<FormattedMessage
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id="DarkToggler.loading"
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defaultMessage="Loading…"
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/>
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</span>
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</Spinner>
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)
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: ''
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*/}
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<FontAwesomeIcon icon={[enableDark ? 'far' : 'fa', 'lightbulb']} />
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<span className="sr-only">
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<FormattedMessage
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id="DarkToggler.screenReaderText"
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defaultMessage="Toggle dark mode"
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description="Screen reader description of the dark mode toggle button"
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/>
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</span>
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</Button>
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</>
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);
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}
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