verdnatura-chat/app/theme.tsx

30 lines
1.0 KiB
TypeScript

import hoistNonReactStatics from 'hoist-non-react-statics';
import React from 'react';
import { IThemePreference } from './definitions/ITheme';
import { TNavigationOptions } from './definitions/navigationTypes';
import { colors } from './lib/constants';
export type TSupportedThemes = keyof typeof colors;
export type TColors = typeof colors[TSupportedThemes];
interface IThemeContextProps {
theme: TSupportedThemes;
themePreferences?: IThemePreference;
setTheme?: (newTheme?: {}) => void;
colors: TColors;
}
export const ThemeContext = React.createContext<IThemeContextProps>({ theme: 'light', colors: colors.light });
export function withTheme<T extends object>(Component: React.ComponentType<T> & TNavigationOptions): typeof Component {
const ThemedComponent = (props: T) => (
<ThemeContext.Consumer>{contexts => <Component {...props} {...contexts} />}</ThemeContext.Consumer>
);
hoistNonReactStatics(ThemedComponent, Component);
return ThemedComponent;
}
export const useTheme = (): IThemeContextProps => React.useContext(ThemeContext);