pwa
Build installable offline web applications
TLDR
Create PWA project
$ pwa create [my-app]
Build PWA$ pwa build
Start development server$ pwa dev
Generate service worker$ pwa sw
SYNOPSIS
pwa command [options]
DESCRIPTION
PWA (Progressive Web App) tools help create web applications that work offline, can be installed, and behave like native apps. Various CLI tools exist for PWA development.This covers common PWA CLI patterns. Specific tools vary.
MANIFEST EXAMPLE
$ {
"name": "My App",
"short_name": "App",
"start_url": "/",
"display": "standalone",
"background_color": "#ffffff",
"theme_color": "#000000",
"icons": [
{
"src": "/icon-192.png",
"sizes": "192x192",
"type": "image/png"
}
]
}
"name": "My App",
"short_name": "App",
"start_url": "/",
"display": "standalone",
"background_color": "#ffffff",
"theme_color": "#000000",
"icons": [
{
"src": "/icon-192.png",
"sizes": "192x192",
"type": "image/png"
}
]
}
SERVICE WORKER
$ // Basic service worker
self.addEventListener('install', (e) => {
e.waitUntil(
caches.open('v1').then(cache =>
cache.addAll(['/'])
)
);
});
self.addEventListener('fetch', (e) => {
e.respondWith(
caches.match(e.request)
.then(r => r || fetch(e.request))
);
});
self.addEventListener('install', (e) => {
e.waitUntil(
caches.open('v1').then(cache =>
cache.addAll(['/'])
)
);
});
self.addEventListener('fetch', (e) => {
e.respondWith(
caches.match(e.request)
.then(r => r || fetch(e.request))
);
});
CAVEATS
HTTPS required for service workers. Browser support varies. Tools differ by framework.
HISTORY
PWAs were introduced by Google in 2015 as a way to deliver app-like experiences through web technology.
SEE ALSO
lighthouse(1), vite(1)
