'use strict';

const {readdirSync, statSync} = require('fs');

const {join} = require('path');

const baseConfig = require('./config.base');

const devtoolsRegressionConfig = require('./devtools/config.build-devtools-regression');

const NODE_MODULES_DIR =

  process.env.RELEASE_CHANNEL === 'stable' ? 'oss-stable' : 'oss-experimental';

// Find all folders in packages/* with package.json

const packagesRoot = join(__dirname, '..', '..', 'packages');

const packages = readdirSync(packagesRoot).filter(dir => {

  if (dir.charAt(0) === '.') {

    return false;

  }

  if (dir.includes('react-devtools')) {

    return false;

  }

  if (dir === 'internal-test-utils') {

    // This is an internal package used only for testing. It's OK to read

    // from source.

    // TODO: Maybe let's have some convention for this?

    return false;

  }

  const packagePath = join(packagesRoot, dir, 'package.json');

  let stat;

  try {

    stat = statSync(packagePath);

  } catch (err) {

    return false;

  }

  return stat.isFile();

});

// Create a module map to point React packages to the build output

const moduleNameMapper = {};

moduleNameMapper['react-devtools-feature-flags'] =

  '<rootDir>/packages/react-devtools-shared/src/config/DevToolsFeatureFlags.default';

// Map packages to bundles

packages.forEach(name => {

  // Root entry point

  moduleNameMapper[`^${name}$`] = `<rootDir>/build/${NODE_MODULES_DIR}/${name}`;

  // Named entry points

  moduleNameMapper[

    `^${name}\/([^\/]+)$`

  ] = `<rootDir>/build/${NODE_MODULES_DIR}/${name}/$1`;

});

// Allow tests to import shared code (e.g. feature flags, getStackByFiberInDevAndProd)

moduleNameMapper['^shared/([^/]+)$'] = '<rootDir>/packages/shared/$1';

moduleNameMapper['^react-reconciler/([^/]+)$'] =

  '<rootDir>/packages/react-reconciler/$1';

module.exports = Object.assign({}, baseConfig, {

  // Redirect imports to the compiled bundles

  moduleNameMapper: {

    ...devtoolsRegressionConfig.moduleNameMapper,

    ...moduleNameMapper,

  },

  // Don't run bundle tests on -test.internal.* files

  testPathIgnorePatterns: ['/node_modules/', '-test.internal.js$'],

  // Exclude the build output from transforms

  transformIgnorePatterns: [

    '/node_modules/',

    '<rootDir>/build/',

    '/__compiled__/',

    '/__untransformed__/',

  ],

  testRegex: 'packages/react-devtools(-(.+))?/.+/__tests__/[^]+.test.js$',

  snapshotSerializers: [

    require.resolve(

      '../../packages/react-devtools-shared/src/__tests__/__serializers__/dehydratedValueSerializer.js'

    ),

    require.resolve(

      '../../packages/react-devtools-shared/src/__tests__/__serializers__/hookSerializer.js'

    ),

    require.resolve(

      '../../packages/react-devtools-shared/src/__tests__/__serializers__/inspectedElementSerializer.js'

    ),

    require.resolve(

      '../../packages/react-devtools-shared/src/__tests__/__serializers__/profilingSerializer.js'

    ),

    require.resolve(

      '../../packages/react-devtools-shared/src/__tests__/__serializers__/storeSerializer.js'

    ),

    require.resolve(

      '../../packages/react-devtools-shared/src/__tests__/__serializers__/timelineDataSerializer.js'

    ),

    require.resolve(

      '../../packages/react-devtools-shared/src/__tests__/__serializers__/treeContextStateSerializer.js'

    ),

    require.resolve(

      '../../packages/react-devtools-shared/src/__tests__/__serializers__/numberToFixedSerializer.js'

    ),

  ],

  setupFiles: [

    ...baseConfig.setupFiles,

    ...devtoolsRegressionConfig.setupFiles,

    require.resolve('./setupTests.build.js'),

    require.resolve('./devtools/setupEnv.js'),

  ],

  setupFilesAfterEnv: [

    require.resolve(

      '../../packages/react-devtools-shared/src/__tests__/setupTests.js'

    ),

  ],

});