bitwarden-browser/apps/browser/karma.conf.js

const path = require("path");

module.exports = function (config) {
  config.set({
    // base path that will be used to resolve all patterns (eg. files, exclude)
    basePath: "",

    // frameworks to use
    // available frameworks: https://npmjs.org/browse/keyword/karma-adapter
    frameworks: ["jasmine", "webpack"],

    // list of files / patterns to load in the browser
    files: [{ pattern: "src/**/*.spec.ts", watch: false }],

    exclude: [],

    // preprocess matching files before serving them to the browser
    // available preprocessors: https://npmjs.org/browse/keyword/karma-preprocessor
    preprocessors: {
      "src/**/*.ts": "webpack",
    },

    // test results reporter to use
    // possible values: 'dots', 'progress'
    // available reporters: https://npmjs.org/browse/keyword/karma-reporter
    reporters: ["progress", "kjhtml"],

    // web server port
    port: 9876,

    // enable / disable colors in the output (reporters and logs)
    colors: true,

    // level of logging
    // possible values: config.LOG_DISABLE || config.LOG_ERROR || config.LOG_WARN || config.LOG_INFO || config.LOG_DEBUG
    logLevel: config.LOG_INFO,

    // start these browsers
    // available browser launchers: https://npmjs.org/browse/keyword/karma-launcher
    browsers: ["Chrome"],

    // Concurrency level
    // how many browser should be started simultaneous
    concurrency: Infinity,

    client: {
      clearContext: false, // leave Jasmine Spec Runner output visible in browser
    },

    webpack: {
      mode: "production",
      resolve: {
        extensions: [".js", ".ts", ".tsx"],
        alias: {
          "jslib-common": path.join(__dirname, "jslib/common/src"),
          "jslib-angular": path.join(__dirname, "jslib/angular/src"),
        },
      },
      module: {
        rules: [{ test: /\.tsx?$/, loader: "ts-loader" }],
      },
      stats: {
        colors: true,
        modules: true,
        reasons: true,
        errorDetails: true,
      },
      devtool: "inline-source-map",
    },
  });
};