gatsby-plugin-theme-switcher/gatsby-node.js

React theme switcher with hooks and preventing the initial flash

"use strict";

exports.pluginOptionsSchema = ({
  Joi
}) => {
  return Joi.object({
    defaultDarkTheme: Joi.string().default("theme-twitter").description("Class name when prefers-color-scheme: dark"),
    defaultLightTheme: Joi.string().default("theme-midnightgreen").description("default class name for light theme"),
    themeStorageKey: Joi.string().default("theme").description("localStorage key to persist theme selected"),
    minify: Joi.boolean().default(true).description("enable terser minification of theme script")
  });
};