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Grommet.js
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Grommet.js
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import React, { forwardRef, useEffect, useMemo, useState } from 'react';
import { createGlobalStyle } from 'styled-components';
import {
ContainerTargetContext,
ResponsiveContext,
ThemeContext,
} from '../../contexts';
import {
deepMerge,
backgroundIsDark,
getBreakpoint,
getDeviceBreakpoint,
normalizeColor,
useForwardedRef,
} from '../../utils';
import { base as baseTheme } from '../../themes';
import { StyledGrommet } from './StyledGrommet';
import { RootsContext } from '../../contexts/RootsContext';
import { OptionsContext } from '../../contexts/OptionsContext';
import { format, MessageContext } from '../../contexts/MessageContext';
import defaultMessages from '../../languages/default.json';
import { GrommetPropTypes } from './propTypes';
import { AnalyticsProvider } from '../../contexts/AnalyticsContext';
const FullGlobalStyle = createGlobalStyle`
body { margin: 0; }
`;
const deviceResponsive = (userAgent, theme) => {
// log('--deviceResponsive', userAgent, theme);
/*
* Regexes provided for mobile and tablet detection are meant to replace
* a full-featured specific library due to contributing a considerable size
* into the bundle.
*
* User agents found https://deviceatlas.com/blog/list-of-user-agent-strings
*/
if (userAgent) {
if (/(tablet|ipad|playbook|silk)|(android(?!.*mobile))/i.test(userAgent)) {
return getDeviceBreakpoint('tablet', theme);
}
if (/Mobile|iPhone|Android/.test(userAgent)) {
return getDeviceBreakpoint('phone', theme);
}
return getDeviceBreakpoint('computer', theme);
}
return undefined;
};
const defaultOptions = {};
const Grommet = forwardRef((props, ref) => {
const {
children,
full,
containerTarget = typeof document === 'object' ? document.body : undefined,
theme: themeProp,
options = defaultOptions,
messages: messagesProp,
onAnalytics,
...rest
} = props;
const { background, dir, themeMode, userAgent } = props;
const [stateResponsive, setResponsive] = useState();
const [roots, setRoots] = useState([]);
const theme = useMemo(() => {
const nextTheme = deepMerge(baseTheme, themeProp || {});
// if user provides specific menu alignment, we don't want
// the defaults to be included at all (can cause issues with controlMirror)
// override merged value with themeProp value
if (
themeProp &&
themeProp.menu &&
themeProp.menu.drop &&
themeProp.menu.drop.align
) {
delete nextTheme.menu.drop.align;
nextTheme.menu.drop.align = themeProp.menu.drop.align;
}
const {
colors: { background: themeBackground },
} = nextTheme.global;
nextTheme.dark = (themeMode || nextTheme.defaultMode) === 'dark';
if (
themeMode === 'auto' &&
typeof window !== 'undefined' &&
window.matchMedia &&
window.matchMedia('(prefers-color-scheme: dark)').matches
) {
nextTheme.dark = true;
}
const color = normalizeColor(background || themeBackground, nextTheme);
nextTheme.dark = backgroundIsDark(color, nextTheme);
nextTheme.baseBackground = background || themeBackground;
// This allows DataTable to intelligently set the background of a pinned
// header or footer.
nextTheme.background = nextTheme.baseBackground;
if (dir) {
nextTheme.dir = dir;
}
return nextTheme;
}, [background, dir, themeMode, themeProp]);
const messages = useMemo(() => {
// combine the passed in messages, if any, with the default
// messages and format function.
const nextMessages = deepMerge(
defaultMessages,
messagesProp?.messages || {},
);
return {
messages: nextMessages,
format: (opts) => {
const message = messagesProp?.format && messagesProp.format(opts);
return typeof message !== 'undefined'
? message
: format(opts, nextMessages);
},
};
}, [messagesProp]);
useEffect(() => {
const onResize = () => {
setResponsive(getBreakpoint(document.body.clientWidth, theme));
};
window.addEventListener('resize', onResize);
onResize();
return () => {
window.removeEventListener('resize', onResize);
};
}, [theme]);
const responsive =
stateResponsive ||
deviceResponsive(userAgent, theme) ||
theme.global.deviceBreakpoints.tablet;
const grommetRef = useForwardedRef(ref);
useEffect(() => {
if (grommetRef.current) setRoots([grommetRef.current]);
}, [grommetRef]);
return (
<ThemeContext.Provider value={theme}>
<ResponsiveContext.Provider value={responsive}>
<RootsContext.Provider value={roots}>
<ContainerTargetContext.Provider value={containerTarget}>
<OptionsContext.Provider value={options}>
<MessageContext.Provider value={messages}>
<AnalyticsProvider onAnalytics={onAnalytics}>
<StyledGrommet full={full} {...rest} ref={grommetRef}>
{children}
</StyledGrommet>
{full && <FullGlobalStyle />}
</AnalyticsProvider>
</MessageContext.Provider>
</OptionsContext.Provider>
</ContainerTargetContext.Provider>
</RootsContext.Provider>
</ResponsiveContext.Provider>
</ThemeContext.Provider>
);
});
Grommet.displayName = 'Grommet';
Grommet.propTypes = GrommetPropTypes;
export { Grommet };