gatsby-plugin-material-ui/gatsby-node.js

Gatsby plugin for Material-UI with built-in server-side rendering support

"use strict";

var fs = require("fs");

var path = require("path");

var os = require("os");

var didRunAlready = false;

exports.onPreInit = function () {
  if (didRunAlready) {
    throw new Error("You can only have a single instance of gatsby-plugin-material-ui in your gatsby-config.js");
  }

  didRunAlready = true;
};

exports.pluginOptionsSchema = function (_ref) {
  var Joi = _ref.Joi;
  return Joi.object({
    pathToEmotionCacheProps: Joi.string().default("").description("The path to the emotion cache props (See https://emotion.sh/docs/@emotion/cache#createcache).")
  });
}; // Copy and past from https://github.com/gatsbyjs/gatsby/tree/master/packages/gatsby-plugin-typography


exports.onPreBootstrap = function (_ref2, pluginOptions) {
  var store = _ref2.store,
      cache = _ref2.cache;
  var program = store.getState().program;
  var module;

  if (pluginOptions.pathToEmotionCacheProps) {
    module = "module.exports = require(\"" + (path.isAbsolute(pluginOptions.pathToEmotionCacheProps) ? pluginOptions.pathToEmotionCacheProps : path.join(program.directory, pluginOptions.pathToEmotionCacheProps)) + "\")";

    if (os.platform() === "win32") {
      module = module.split("\\").join("\\\\");
    }
  } else {
    module = "module.exports = null";
  }

  var dir = cache.directory;

  if (!fs.existsSync(dir)) {
    fs.mkdirSync(dir);
  }

  fs.writeFileSync(path.join(dir, "emotion-cache-props.js"), module);
}; // Copy and past from https://github.com/gatsbyjs/gatsby/tree/master/packages/gatsby-plugin-typography


exports.onCreateWebpackConfig = function (_ref3) {
  var actions = _ref3.actions,
      cache = _ref3.cache;
  var cacheFile = path.join(cache.directory, "emotion-cache-props.js");
  var setWebpackConfig = actions.setWebpackConfig;
  setWebpackConfig({
    resolve: {
      alias: {
        "material-ui-plugin-cache-endpoint": cacheFile
      }
    }
  });
};