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📱tiny/simple npm module for detecting webview status of a user-agent

License: ISC License

JavaScript 100.00%

is-ua-webview's Introduction

is-ua-webview

A super simple webview user-agent detector

Installation

$ npm install is-ua-webview

Usage

const isWebview = require("is-ua-webview");

// just for testing:
const assert = require("assert");

// Facebook App embedded page load
assert(
  isWebview(
    "Mozilla/5.0 (Linux; Android 4.4.4; One Build/KTU84L.H4) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/33.0.0.0 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/28.0.0.20.16;]"
  )
);

// Chrome/Android browser
assert(
  !isWebview(
    "Mozilla/5.0 (Linux; Android 4.4.4; One Build/KTU84L.H4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/36.0.1985.135 Mobile Safari/537.36"
  )
);

Tests

Run tests

npm test

Why

This was built for a web service that wanted to add a logging point in case the page load came from inside a webview where cookies were possibly throw away (not treated the same as a SafariViewController or native browser load). The tests are lacking completeness as this tool was only being used to discover and add detection in logs. The author of this module is no longer the owner/maintainer of the production service that used this module, so if you are interested in using it, please consider adding more tests and make a PR with tests :)

is-ua-webview's People

Contributors

Stargazers

Watchers

Forkers

omrikeret kotarella1110 emrahyumuk porlybe dreamteammobile hadj090 devyeshtandon

is-ua-webview's Issues

Doesn't work on the iPad

I tested it on the iPhone. there is no problem. but it is not working on the iPad.

Does library Support Chrome's User Agent reductions?

Sorry about filing an issue that might be solved, but https://blog.chromium.org/2021/05/update-on-user-agent-string-reduction.html

Does this library continue to work with the reduced User Agent strings?

Here are the final strings: https://www.chromium.org/updates/ua-reduction/#sample-ua-strings-final-reduced-state

Please let me know and feel free to close if already addressed.

Do you plan to use chrome's hint system? https://developer.chrome.com/articles/user-agent-client-hints/

Doesn't work in iPhone 8 Plus, Gmail App

Doesn't work for Mozilla/5.0 (iPhone; CPU iPhone OS 12_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.0 Mobile/15E148 Safari/604.1 (iPhone 8 Plus, Gmail App)

Should return false for Chrome on Android

Unfortunately returns true for the following UA:

Mozilla/5.0 (Linux; Android 12; ingot) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/106.0.0.0 Mobile Safari/537.36

…because of this rule:

  // Android Lollipop and Above: webview will be the same as native but it will contain "wv"
  // Android KitKat to lollipop webview will put {version}.0.0.0
  'Android.*(wv|.0.0.0)',

It's accidentally matching the Chrome/106.0.0.0 section.

const word into index.js

Hello,

Can you pollify the index.js file please ?
(replace const -> var)

Missing typings

Hi,
Thank you for this package, it's useful :-)
Could you please publish a new version on npm with the typings? It seems that the published version doesn't have them.

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