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sw-register
Advanced tools
Readme
Service Worker registration utility
Made with ❤ at @outlandish
Register or retrieve a Service Worker that controls the page with ease...
register(<options>)
register()
register(<options>)
with options in your init procedure and it will not try to re-register the worker.
Saving you having to inspect navigator.serviceWorker.ready
manually, etc.// ES6
import register from 'sw-register'
// CommonJS
var register = require('sw-register')
// RequireJS
define(['sw-register'], function (register) {/*...*/})
<!-- Script, available as `window.swRegister` -->
<script src="/node_modules/sw-register/index.js"></script>
const register = require('sw-register')
// Get existing worker
register().then((worker) => {
const channel = new MessageChannel()
worker.postMessage("Hey!", [channel.port2])
})
// Register a worker from the client
// Worker scope depends on worker location/headers
// Read the Service Worker docs for more details
const registration = {
url: '/sw.js',
scope: '/'
}
// Subsequent calls with a registration object
// will not attempt re-registration but return
// the existing registered worker instead
register(registration).then((worker) => {
const channel = new MessageChannel()
worker.postMessage("Hey!", [channel.ports2])
})
// Catch registration error
register().catch((err) => {
console.log(err.message)
})
register([options]) : Promise
Register or retrieve a Service Worker.
Returns the Service Worker controller.
Available options (any not listed can also be passed in):
url
(required) the URL of the service workerscope
(optional) the scope of the service workerforceUpdate
(optional) call update()
on the registration?Example:
register().then((worker) => {
// do something with the worker
}).catch((err) => {
// you get here if:
// - service workers unsupported
// - no existing worker and no options given to register one
})
All pull requests and issues welcome!
If you're not sure how, check out Kent C. Dodds' great video tutorials on egghead.io!
sw-register
was created by Sam Gluck and is released under the MIT license.
FAQs
Service Worker registration utility
The npm package sw-register receives a total of 135 weekly downloads. As such, sw-register popularity was classified as not popular.
We found that sw-register demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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