const path = require('path');

computeStoriesGlob = () => {
  if (process.env.STORYBOOK_STORIES_FOLDER === 'pages') {
    return [
      '../src/pages/**/*.stories.@(js|jsx|ts|tsx)',
      '../src/__stories__/*.stories.@(js|jsx|ts|tsx)',
      '../src/pages/**/*.docs.mdx',
      '../src/__stories__/*.docs.mdx'
    ]
  }

  if (process.env.STORYBOOK_STORIES_FOLDER === 'modules') {
    return ['../src/modules/**/*.stories.@(js|jsx|ts|tsx)', '../src/modules/**/*.docs.mdx']
  }

  return ['../src/**/*.stories.@(js|jsx|ts|tsx)', '../src/**/*.docs.mdx']
};

module.exports = {
  webpackFinal: (config) => {
    config.module.rules.push({
      test: /\.tsx?$/,
      exclude: /node_modules/,
      use: [
        {
          loader: require.resolve('babel-loader'),
          options: {
            presets: [
              require('@babel/preset-typescript').default,
              [
                require('@babel/preset-react').default,
                {
                  runtime: 'automatic',
                },
              ],
              require('@babel/preset-env').default,
            ],
          },
        },
      ],
    });
    config.resolve.extensions.push('.ts', '.tsx');
    config.module.rules.push({
      test: /\.mjs$/,
      include: /node_modules/,
      type: 'javascript/auto',
    });
    config.module.rules.push({
      test: /\.svg$/,
      use: [
        {
          loader: '@svgr/webpack',
        },
        {
          loader: 'file-loader',
          options: {
            name: 'static/media/[path][name].[ext]',
          },
        },
      ],
      type: 'javascript/auto',
      issuer: {
        and: [/\.(ts|tsx|js|jsx|md|mdx)$/],
      },
    });
    config.resolve.extensions.push('.mjs');
    config.resolve.alias = {
      ...config.resolve.alias,
      '~': path.resolve(__dirname, '../src'),
      '@': path.resolve(__dirname, '../src/modules'),
    };
    return config;
  },
  stories: computeStoriesGlob(),
  addons: [
    '@storybook/addon-links',
    '@storybook/addon-essentials',
    '@storybook/addon-interactions',
    '@storybook/addon-coverage',
    '@storybook/addon-styling',
    'storybook-addon-pseudo-states',
    'storybook-addon-cookie',
  ],
  docs: { autodocs: false },
  framework: {
    name: '@storybook/react-webpack5',
    options: {},
  },
};