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feat: PWA support with hockey puck icon
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Browse Source 
Adds full PWA compliance: web app manifest, service worker with
cache-first static / network-first scoreboard strategy, and a
generated hockey puck icon (512, 192, 180, 32px) on the app's
dark navy background. Includes all required meta tags for iOS
standalone mode and a /favicon.ico route.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Josh Wright
2026-03-29 19:04:33 -04:00
parent 2f2b3f2d7e
commit 3d77c7cd5a
9 changed files with 106 additions and 1 deletions
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22
app/routes.py
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@@ -1,12 +1,32 @@
import json import json
from flask import render_template, jsonify from flask import render_template, jsonify, send_from_directory
from app import app from app import app
from app.config import SCOREBOARD_DATA_FILE from app.config import SCOREBOARD_DATA_FILE
from app.games import parse_games from app.games import parse_games
@app.route("/manifest.json")
def manifest():
return send_from_directory(app.static_folder, "manifest.json")
@app.route("/sw.js")
def service_worker():
response = send_from_directory(app.static_folder, "sw.js")
response.headers["Service-Worker-Allowed"] = "/"
response.headers["Cache-Control"] = "no-cache"
return response
@app.route("/favicon.ico")
def favicon():
return send_from_directory(
app.static_folder, "icon-32x32.png", mimetype="image/png"
)
@app.route("/") @app.route("/")
def index(): def index():
return render_template("index.html") return render_template("index.html")

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24
app/static/manifest.json Normal file
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@@ -0,0 +1,24 @@
{
"name": "NHL Scoreboard",
"short_name": "NHL Scores",
"description": "Live NHL game scores ranked by hype",
"start_url": "/",
"display": "standalone",
"background_color": "#0f172a",
"theme_color": "#0f172a",
"orientation": "portrait-primary",
"icons": [
{
"src": "/static/icon-192x192.png",
"sizes": "192x192",
"type": "image/png",
"purpose": "any maskable"
},
{
"src": "/static/icon-512x512.png",
"sizes": "512x512",
"type": "image/png",
"purpose": "any maskable"
}
]
}

5
app/static/script.js
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@@ -240,4 +240,9 @@ function autoRefresh() {
window.addEventListener('load', () => { window.addEventListener('load', () => {
autoRefresh(); autoRefresh();
setInterval(tickClocks, 1000); setInterval(tickClocks, 1000);
if ('serviceWorker' in navigator) {
navigator.serviceWorker.register('/sw.js').catch(err => {
console.warn('Service worker registration failed:', err);
});
}
}); });

49
app/static/sw.js Normal file
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@@ -0,0 +1,49 @@
const CACHE = 'nhl-scoreboard-v1';
const PRECACHE = [
'/',
'/static/styles.css',
'/static/script.js',
'/static/icon-192x192.png',
'/static/icon-512x512.png',
'/manifest.json',
];
self.addEventListener('install', event => {
event.waitUntil(caches.open(CACHE).then(c => c.addAll(PRECACHE)));
self.skipWaiting();
});
self.addEventListener('activate', event => {
event.waitUntil(
caches.keys().then(keys =>
Promise.all(keys.filter(k => k !== CACHE).map(k => caches.delete(k)))
)
);
self.clients.claim();
});
self.addEventListener('fetch', event => {
const { pathname } = new URL(event.request.url);
// Network-first for the live scoreboard API — stale data is useless
if (pathname === '/scoreboard') {
event.respondWith(
fetch(event.request).catch(() => caches.match(event.request))
);
return;
}
// Cache-first for everything else (static assets, shell)
event.respondWith(
caches.match(event.request).then(cached => {
if (cached) return cached;
return fetch(event.request).then(response => {
if (response.ok) {
const clone = response.clone();
caches.open(CACHE).then(c => c.put(event.request, clone));
}
return response;
});
})
);
});

7
app/templates/index.html
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@@ -3,6 +3,13 @@
<head> <head>
<title>NHL Scoreboard</title> <title>NHL Scoreboard</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="theme-color" content="#0f172a">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
<meta name="apple-mobile-web-app-title" content="NHL Scores">
<link rel="manifest" href="/manifest.json">
<link rel="icon" type="image/png" href="/static/icon-32x32.png">
<link rel="apple-touch-icon" href="/static/icon-180x180.png">
<link rel="stylesheet" type="text/css" href="/static/styles.css"> <link rel="stylesheet" type="text/css" href="/static/styles.css">
</head> </head>
<body> <body>