nwb/lib/config/karma.js

A toolkit for React, Preact & Inferno apps, React libraries and other npm modules for the web, with no configuration (until you need it)

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.processKarmaConfig = processKarmaConfig;

var _fs = _interopRequireDefault(require("fs"));

var _chalk = _interopRequireDefault(require("chalk"));

var _utils = require("../utils");

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function processKarmaConfig({
  report,
  userConfig
}) {
  let {
    browsers,
    excludeFromCoverage,
    frameworks,
    plugins,
    reporters,
    testContext,
    testFiles,
    extra,
    config,
    ...unexpectedConfig
  } = userConfig.karma;
  let unexpectedProps = Object.keys(unexpectedConfig);

  if (unexpectedProps.length > 0) {
    report.error('karma', unexpectedProps.join(', '), `Unexpected prop${(0, _utils.pluralise)(unexpectedProps.length)} in ${_chalk.default.cyan('karma')} config - ` + 'see https://github.com/insin/nwb/blob/master/docs/Configuration.md#karma-configuration for supported config.' + `If you were trying to add extra Karma config, try putting it in ${_chalk.default.cyan('karma.extra')} instead`);
  } // browsers


  if ('browsers' in userConfig.karma) {
    if ((0, _utils.typeOf)(browsers) !== 'array') {
      report.error('karma.browsers', browsers, `Must be an ${_chalk.default.cyan('Array')}`);
    }
  } // excludeFromCoverage


  if ('excludeFromCoverage' in userConfig.karma) {
    if ((0, _utils.typeOf)(excludeFromCoverage) === 'string') {
      userConfig.karma.excludeFromCoverage = [excludeFromCoverage];
    } else if ((0, _utils.typeOf)(excludeFromCoverage) !== 'array') {
      report.error('karma.excludeFromCoverage', excludeFromCoverage, `Must be a ${_chalk.default.cyan('String')} or an ${_chalk.default.cyan('Array')}`);
    }
  } // frameworks


  if ('frameworks' in userConfig.karma) {
    if ((0, _utils.typeOf)(frameworks) !== 'array') {
      report.error('karma.frameworks', frameworks, `Must be an ${_chalk.default.cyan('Array')}`);
    }
  } // plugins


  if ('plugins' in userConfig.karma) {
    if ((0, _utils.typeOf)(plugins) !== 'array') {
      report.error('karma.plugins', plugins, `Must be an ${_chalk.default.cyan('Array')}`);
    }
  } // reporters


  if ('reporters' in userConfig.karma) {
    if ((0, _utils.typeOf)(reporters) !== 'array') {
      report.error('karma.reporters', reporters, `Must be an ${_chalk.default.cyan('Array')}`);
    }
  } // testContext


  if ('testContext' in userConfig.karma) {
    if ((0, _utils.typeOf)(testContext) !== 'string') {
      report.error('karma.testContext', testContext, `Must be a ${_chalk.default.cyan('String')}`);
    } else if (!_fs.default.existsSync(testContext)) {
      report.error('karma.testContext', testContext, `The specified test context module does not exist`);
    }
  } // testFiles


  if ('testFiles' in userConfig.karma) {
    if ((0, _utils.typeOf)(testFiles) === 'string') {
      userConfig.karma.testFiles = [testFiles];
    } else if ((0, _utils.typeOf)(testFiles) !== 'array') {
      report.error('karma.testFiles', testFiles, `Must be a ${_chalk.default.cyan('String')} or an ${_chalk.default.cyan('Array')}`);
    }
  } // extra


  if ('extra' in userConfig.karma) {
    if ((0, _utils.typeOf)(extra) !== 'object') {
      report.error('karma.extra', `type: ${(0, _utils.typeOf)(extra)}`, `Must be an ${_chalk.default.cyan('Object')}`);
    }
  } // config


  if ('config' in userConfig.karma && (0, _utils.typeOf)(config) !== 'function') {
    report.error(`karma.config`, `type: ${(0, _utils.typeOf)(config)}`, `Must be a ${_chalk.default.cyan('Function')}`);
  }
}