mirror of
https://github.com/lancedikson/bowser
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109 lines
3.2 KiB
Markdown
109 lines
3.2 KiB
Markdown
## Bowser
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A Browser detector. Because sometimes, there is no other way, and not even good modern browsers always provide good feature detection mechanisms.
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[](https://travis-ci.org/ded/bowser/)
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So... it works like this:
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``` js
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if (bowser.msie && bowser.version <= 6) {
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alert('Hello China');
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}
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```
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## Flags set for detected Browsers[Engines]
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* `chrome`[`webkit`]
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* `firefox`[`gecko`]
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* `msie`
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* `msedge`
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* Android native browser as `android`[`webkit`]
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* iOS native browser as `ios`[`webkit`]
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* `opera`[`webkit` if >12]
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* `phantom`[`webkit`]
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* `safari`[`webkit`]
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* `seamonkey`[`gecko`]
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* BlackBerry native browser as `blackberry`[`webkit`]
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* WebOS native browser as `webos`[`webkit`]
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* Amazon Kindle browser as `silk`[`webkit`]
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* Bada browser as `bada`[`webkit`]
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* Tizen browser as `tizen`[`webkit`]
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* Sailfish browser as `sailfish`[`gecko`]
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For all detected browsers the browser version is set in the `version` field.
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## Flags set for detected mobile Operating Systems
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* `android`
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* Windows Phone as `windowsphone`
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* `ios` (`iphone`/`ipad`/`ipod`)
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* `blackberry`
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* `firefoxos`
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* `webos` (`touchpad`)
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* `bada`
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* `tizen`
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* `sailfish`
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Android, iOS, Windows Phone, WebOS, Bada, and Tizen will all report the OS version number if it is contained in the UA string in the `osversion` field. iOS is always reported as `ios` and additionally as `iphone`/`ipad`/`ipod`, whichever one matches best. If WebOS device is an HP TouchPad the flag `touchpad` is additionally set.
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All detected mobile OSes are additionally flagged `mobile`, **if they are not powering a tablet device**. If a tablet device is detected, the flag `tablet` is set instead.
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### Notes
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Safari, Chrome and some other minor browsers will report that they have `webkit` engines, Firefox and Seamonkey will report that they have `gecko` engines.
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``` js
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if (bowser.webkit) {
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// do stuff with safari & chrome & opera & android & blackberry & webos & silk
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}
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```
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### Ender Support
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`package.json`
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``` json
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"dependencies": {
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"bowser": "x.x.x"
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}
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```
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``` js
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if (require('bowser').chrome) {
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alert('Hello Silicon Valley')
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}
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```
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### Graded Browser Support
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One useful feature of Bowser is that aside from checking one browser from another -- it will keep up to date with [Yahoo's Graded Browser Support](http://developer.yahoo.com/yui/articles/gbs/) chart, giving you access to each grade on the bowser object
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``` js
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if (bowser.a) {
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// support full feature set
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}
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else if (bowser.c) {
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// serve degraded version
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}
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else {
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// unsupported (bowser.x)
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}
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```
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### Contributing
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If you'd like to contribute a change to bowser, modify the files in `src/`, then run the following (you'll need node + npm installed):
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``` sh
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$ npm install
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$ make test
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```
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Please do not check-in the built files `bowser.js` and `bowser.min.js` in pull requests.
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### Adding tests
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See the list in `src/useragents.js` with example user agents and their expected bowser object.
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Whenever you add support for new browsers or notice a bug / mismatch, please update the list and
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check if all tests are still passing.
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### License
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Licensed as MIT. All rights not explicitly granted in the MIT license are reserved. See the included LICENSE file for more details.
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