frowser

feature based Browser Detection library

why another browser detection library ?

because all of existing ones just relied on User Agents & that's not enough

lib size

~5 KB when plain gzipped

demo

https://mkkhedawat.github.io/frowser/

how to use

import

import * as frowser from "frowser"; // TypeScript
import frowser from "frowser"; // ES6, React

props detection

const browser = frowser.getParser(window.navigator.userAgent);

console.log(`The current browser name is "${browser.getBrowserName()}"`);
// The current browser name is "Internet Explorer"

or

const browser = frowser.getParser(window.navigator.userAgent);
console.log(browser.getBrowser());
{
  name: "Internet Explorer"
  version: "11.0"
}

or

console.log(frowser.parse(window.navigator.userAgent));
{
  browser: {
    name: "Internet Explorer"
    version: "11.0"
  },
  os: {
    name: "Windows"
    version: "NT 6.3"
    versionName: "8.1"
  },
  platform: {
    type: "desktop"
  },
  engine: {
    name: "Trident"
    version: "7.0"
  }
}

types

Frowser.Parser.ParsedResult

Filtering browsers

const browser = frowser.getParser(window.navigator.userAgent);
const isValidBrowser = browser.satisfies({
  // declare browsers per OS
  windows: {
    "internet explorer": ">10",
  },
  macos: {
    safari: ">10.1"
  },

  // per platform (mobile, desktop or tablet)
  mobile: {
    safari: '>=9',
    'android browser': '>3.10'
  },

  // or in general
  chrome: "~20.1.1432",
  firefox: ">31",
  opera: ">=22",

  // also supports equality operator
  chrome: "=20.1.1432", // will match particular build only

  // and loose-equality operator
  chrome: "~20",        // will match any 20.* sub-version
  chrome: "~20.1"       // will match any 20.1.* sub-version (20.1.19 as well as 20.1.12.42-alpha.1)
});

Settings for any particular OS or platform has more priority and redefines settings of standalone browsers. Thus, you can define OS or platform specific rules and they will have more priority in the end.

Contributing

• Fork
• Make changes
• Entry > src index.js
• Build npm run build
• Test npm test
• Raise pull request

References

Base code is taken from Bowser

Contributors

• Manish Khedawat (https://github.com/mkkhedawat)