Function createTheming

src/createTheming.js:17–49

(
  defaultTheme: T
)

};

export default function createTheming<T: Object>(
  defaultTheme: T
): ThemingType<T> {
  const ThemeContext: React.Context<T> = React.createContext(defaultTheme);

  const ThemeProvider: ThemeProviderType<T> = createThemeProvider(
    defaultTheme,
    ThemeContext
  );

  const withTheme: WithThemeType<T> = createWithTheme(
    ThemeProvider,
    ThemeContext
  );

  const useTheme = (overrides?: $DeepShape<T>): T => {
    const theme = React.useContext(ThemeContext);
    const result = React.useMemo(
      () =>
        theme && overrides ? deepmerge(theme, overrides) : theme || overrides,
      [theme, overrides]
    );

    return result;
  };

  return {
    ThemeContext,
    ThemeProvider,
    withTheme,
    useTheme,
  };
}