refactor: lib rewrite from typescript to native javascript

.browserslistrc

@@ -2,4 +2,4 @@ last 5 version
 > 0.5%
 maintained node versions
 not dead
-ie > 7
+ie > 9

.eslintrc.yml

@@ -16,6 +16,9 @@ rules:
   max-len:
     - error
     - code: 120
+  quote-props:
+    - error
+    - consistent
 env:
   jest: true
   browser: true

docs/BrowserDtector.js

@@ -1,6 +1,6 @@
 import React from 'react';
 
-import BrowserDtector from '../dist/lib/browser-dtector';
+import BrowserDtector from '../lib/browser-dtector';
 
 const BrowserDtectorComponent = () => {
   const browser = new BrowserDtector(window.navigator.userAgent);

docs/UserAgentParser.js

@@ -1,6 +1,6 @@
 import React, { useState } from 'react';
 
-import BrowserDtector from '../dist/lib/browser-dtector';
+import BrowserDtector from '../lib/browser-dtector';
 
 const currentUserAgent = window.navigator.userAgent;
 const browser = new BrowserDtector(currentUserAgent);

jest.config.js

@@ -1,22 +1,198 @@
+// For a detailed explanation regarding each configuration property, visit:
+// https://jestjs.io/docs/en/configuration.html
+
 module.exports = {
-  verbose: true,
+  // All imported modules in your tests should be mocked automatically
+  // automock: false,
+
+  // Stop running tests after `n` failures
+  // bail: 0,
+
+  // Respect "browser" field in package.json when resolving modules
+  // browser: false,
+
+  // The directory where Jest should store its cached dependency information
+  // cacheDirectory: "/private/var/folders/c_/9sztbj915w16vfl38h5xqjnr0000gp/T/jest_dy",
+
+  // Automatically clear mock calls and instances between every test
+  clearMocks: true,
+
+  // Indicates whether the coverage information should be collected while executing the test
   collectCoverage: true,
-  collectCoverageFrom: [
-    'dist/lib/**/*.js',
-    '!dist/**/*.min.js',
-    'specs/**/*.js',
-    '!**/node_modules/**',
-    '!**/vendor/**',
-  ],
-  testPathIgnorePatterns: [
-    'node_modules',
-    '.cache',
+
+  // An array of glob patterns indicating a set of files for which coverage information should be collected
+  // collectCoverageFrom: null,
+
+  // The directory where Jest should output its coverage files
+  coverageDirectory: 'coverage',
+
+  // An array of regexp pattern strings used to skip coverage collection
+  coveragePathIgnorePatterns: [
+    '/node_modules/',
+    '/dist/',
   ],
+
+  // A list of reporter names that Jest uses when writing coverage reports
+  // coverageReporters: [
+  //   "json",
+  //   "text",
+  //   "lcov",
+  //   "clover"
+  // ],
+
+  // An object that configures minimum threshold enforcement for coverage results
+  // coverageThreshold: null,
+
+  // A path to a custom dependency extractor
+  // dependencyExtractor: null,
+
+  // Make calling deprecated APIs throw helpful error messages
+  // errorOnDeprecated: false,
+
+  // Force coverage collection from ignored files using an array of glob patterns
+  // forceCoverageMatch: [],
+
+  // A path to a module which exports an async function that is triggered once before all test suites
+  // globalSetup: null,
+
+  // A path to a module which exports an async function that is triggered once after all test suites
+  // globalTeardown: null,
+
+  // A set of global variables that need to be available in all test environments
+  // globals: {},
+
+  // The maximum amount of workers used to run your tests. Can be specified as % or a number.
+  // E.g. maxWorkers: 10% will use 10% of your CPU amount + 1 as the maximum worker number.
+  // maxWorkers: 2 will use a maximum of 2 workers.
+  // maxWorkers: "50%",
+
+  // An array of directory names to be searched recursively up from the requiring module's location
+  // moduleDirectories: [
+  //   "node_modules"
+  // ],
+
+  // An array of file extensions your modules use
+  // moduleFileExtensions: [
+  //   "js",
+  //   "json",
+  //   "jsx",
+  //   "ts",
+  //   "tsx",
+  //   "node"
+  // ],
+
+  // A map from regular expressions to module names that allow to stub out resources with a single module
+  moduleNameMapper: {},
+
+  // An array of regexp pattern strings, matched against all module paths
+  // before considered 'visible' to the module loader
   modulePathIgnorePatterns: [
-    '<rootDir>/dist/lib/package.json',
-    '<rootDir>/dist/docs/',
+    '<rootDir>/dist/',
   ],
-  moduleNameMapper: {
-    '\\.(css|scss)$': 'identity-obj-proxy',
+
+  // Activates notifications for test results
+  // notify: false,
+
+  // An enum that specifies notification mode. Requires { notify: true }
+  // notifyMode: "failure-change",
+
+  // A preset that is used as a base for Jest's configuration
+  // preset: null,
+
+  // Run tests from one or more projects
+  // projects: null,
+
+  // Use this configuration option to add custom reporters to Jest
+  // reporters: undefined,
+
+  // Automatically reset mock state between every test
+  // resetMocks: false,
+
+  // Reset the module registry before running each individual test
+  // resetModules: false,
+
+  // A path to a custom resolver
+  // resolver: null,
+
+  // Automatically restore mock state between every test
+  // restoreMocks: false,
+
+  // The root directory that Jest should scan for tests and modules within
+  // rootDir: null,
+
+  // A list of paths to directories that Jest should use to search for files in
+  // roots: [
+  //   "<rootDir>"
+  // ],
+
+  // Allows you to use a custom runner instead of Jest's default test runner
+  // runner: "jest-runner",
+
+  // The paths to modules that run some code to configure or set up the testing environment before each test
+  // setupFiles: [],
+
+  // A list of paths to modules that run some code to configure or set up the testing framework before each test
+  // setupFilesAfterEnv: [],
+
+  // A list of paths to snapshot serializer modules Jest should use for snapshot testing
+  // snapshotSerializers: [],
+
+  // The test environment that will be used for testing
+  // testEnvironment: "jest-environment-jsdom",
+
+  // Options that will be passed to the testEnvironment
+  // testEnvironmentOptions: {},
+
+  // Adds a location field to test results
+  // testLocationInResults: false,
+
+  // The glob patterns Jest uses to detect test files
+  // testMatch: [
+  //   "**/__tests__/**/*.[jt]s?(x)",
+  //   "**/?(*.)+(spec|test).[tj]s?(x)"
+  // ],
+
+  // An array of regexp pattern strings that are matched against all test paths, matched tests are skipped
+  // testPathIgnorePatterns: [
+  //   "/node_modules/",
+  // ],
+
+  // The regexp pattern or array of patterns that Jest uses to detect test files
+  // testRegex: [],
+
+  // This option allows the use of a custom results processor
+  // testResultsProcessor: null,
+
+  // This option allows use of a custom test runner
+  // testRunner: "jasmine2",
+
+  // This option sets the URL for the jsdom environment. It is reflected in properties such as location.href
+  // testURL: "http://localhost",
+
+  // Setting this value to "fake" allows the use of fake timers for functions such as "setTimeout"
+  // timers: "real",
+
+  // A map from regular expressions to paths to transformers
+  transform: {
+    '^.+\\.js(x)?$': 'babel-jest',
   },
+
+  // An array of regexp pattern strings that are matched against all source file paths,\
+  // matched files will skip transformation
+  // transformIgnorePatterns: [
+  //   "/node_modules/"
+  // ],
+
+  // An array of regexp pattern strings that are matched against
+  // all modules before the module loader will automatically return a mock for them
+  // unmockedModulePathPatterns: undefined,
+
+  // Indicates whether each individual test should be reported during the run
+  // verbose: null,
+
+  // An array of regexp patterns that are matched against all source file paths before re-running tests in watch mode
+  // watchPathIgnorePatterns: [],
+
+  // Whether to use watchman for file crawling
+  // watchman: true,
 };

lib/browser-dtector.js

@@ -0,0 +1,146 @@
+import { KnownBrowsers, KnownPlatforms } from './constants';
+import { version as pkgVersion } from '../package.json';
+import utils from './utils';
+
+function BrowserDtector(userAgent) {
+  this.userAgent = userAgent || window.navigator.userAgent;
+  this.__VERSION__ = pkgVersion;
+
+  this.parseUserAgent = (userAgent) => {
+    const browserMatches = {};
+
+    const uaFresh = userAgent || this.userAgent;
+
+    // convert to lower case and treat tabs and multiple sapces as single space
+    const ua = uaFresh.toLowerCase().replace(/\s\s+/g, ' ');
+
+    const browserMatch = /(edge)\/([\w.]+)/.exec(ua)
+      || /(opr)[/]([\w.]+)/.exec(ua)
+      || /(jsdom)[/]([\w.]+)/.exec(ua)
+      || /(samsungbrowser)[/]([\w.]+)/.exec(ua)
+      || /(chrome)[/]([\w.]+)/.exec(ua)
+      || /(crios)[/]([\w.]+)/.exec(ua)
+      || /(opios)[/]([\w.]+)/.exec(ua)
+      || /(version)(applewebkit)[/]([\w.]+).*(safari)[/]([\w.]+)/.exec(ua)
+      || /(webkit)[/]([\w.]+).*(version)[/]([\w.]+).*(safari)[/]([\w.]+)/.exec(ua)
+      || /(applewebkit)[/]([\w.]+).*(safari)[/]([\w.]+)/.exec(ua)
+      || /(webkit)[/]([\w.]+)/.exec(ua)
+      || /(opera)(?:.*version|)[/]([\w.]+)/.exec(ua)
+      || /(msie) ([\w.]+)/.exec(ua)
+      || /(fennec)[/]([\w.]+)/.exec(ua)
+      || (ua.indexOf('trident') >= 0 && /(rv)(?::| )([\w.]+)/.exec(ua))
+      || (ua.indexOf('compatible') < 0 && /(mozilla)(?:.*? rv:([\w.]+)|)/.exec(ua))
+      || [];
+
+    const platformMatch = /(ipad)/.exec(ua)
+      || /(ipod)/.exec(ua)
+      || /(iphone)/.exec(ua)
+      || /(jsdom)/.exec(ua)
+      || /(windows phone)/.exec(ua)
+      || /(xbox)/.exec(ua)
+      || /(win)/.exec(ua)
+      || /(tablet)/.exec(ua)
+      || ((/(android)/.test(ua) && /(mobile)/.test(ua) === false) && ['androidTablet'])
+      || /(android)/.exec(ua)
+      || /(mac)/.exec(ua)
+      || /(linux)/.exec(ua)
+      || /(cros)/.exec(ua)
+      || [];
+
+    const browserInfo = {
+      name: browserMatch[5] || browserMatch[3] || browserMatch[1] || undefined,
+      platform: platformMatch[0] || undefined,
+      userAgent: uaFresh,
+      version: browserMatch[4] || browserMatch[2] || undefined,
+    };
+
+    if (!browserInfo.name) {
+      Object.keys(browserInfo).forEach((key) => { browserInfo[key] = 'Unknown'; });
+      return browserInfo;
+    }
+
+    if (browserInfo.name) {
+      browserMatches[browserInfo.name] = true;
+      browserInfo.name = KnownBrowsers[browserInfo.name] || 'Unknown';
+    }
+
+    if (browserInfo.platform) {
+      browserMatches[browserInfo.platform] = true;
+      browserInfo.platform = KnownPlatforms[browserInfo.platform] || 'Unknown';
+    }
+
+    if (browserInfo.version) {
+      browserInfo.shortVersion = utils.toFixed(parseFloat(browserInfo.version), 2);
+    }
+
+    browserInfo.isAndroid = !!(
+      browserMatches.tablet
+      || browserMatches.android
+      || browserMatches.androidTablet
+    );
+
+    browserInfo.isTablet = !!(
+      browserMatches.ipad
+      || browserMatches.tablet
+      || browserMatches.androidTablet
+    );
+
+    browserInfo.isMobile = !!(
+      browserMatches.android
+      || browserMatches.androidTablet
+      || browserMatches.tablet
+      || browserMatches.ipad
+      || browserMatches.ipod
+      || browserMatches.iphone
+      || browserMatches['windows phone']
+    );
+
+    browserInfo.isDesktop = !!(
+      browserMatches.cros
+      || browserMatches.mac
+      || browserMatches.linux
+      || browserMatches.win
+    );
+
+    browserInfo.isWebkit = !!(
+      browserMatches.chrome
+      || browserMatches.crios
+      || browserMatches.opr
+      || browserMatches.safari
+    );
+
+    browserInfo.isIE = !!(
+      browserMatches.msie
+      || browserMatches.rv
+    );
+
+    return browserInfo;
+  };
+
+  this.getBrowserInfo = () => {
+    const browserInfo = this.parseUserAgent();
+    delete browserInfo.isAndroid;
+    delete browserInfo.isMobile;
+    delete browserInfo.isTablet;
+    delete browserInfo.isWebkit;
+    delete browserInfo.isDesktop;
+    delete browserInfo.isIE;
+    return browserInfo;
+  };
+
+  this.getBrowserName = () => this.parseUserAgent().name;
+  this.getBrowserVersion = () => this.parseUserAgent().version;
+  this.getBrowserShortVersion = () => this.parseUserAgent().shortVersion || 'Unknown';
+  this.getPlatformName = () => this.parseUserAgent().platform;
+
+  this.isAndroid = () => this.parseUserAgent().isAndroid;
+  this.isTablet = () => this.parseUserAgent().isTablet;
+  this.isMobile = () => this.parseUserAgent().isMobile;
+  this.isWebkit = () => this.parseUserAgent().isWebkit;
+  this.isDesktop = () => this.parseUserAgent().isDesktop;
+  this.isIE = () => this.parseUserAgent().isIE;
+
+  Object.freeze(this);
+}
+
+export default BrowserDtector;