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Remove service worker code that has never been used

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This commit is contained in:
Thibaut Girka 2018-05-17 15:39:37 +02:00
parent 71a8e10275
commit 717e7d8872
2 changed files with 0 additions and 169 deletions
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10
app/javascript/flavours/glitch/service_worker/entry.js
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@ -1,10 +0,0 @@
import './web_push_notifications';
// Cause a new version of a registered Service Worker to replace an existing one
// that is already installed, and replace the currently active worker on open pages.
self.addEventListener('install', function(event) {
event.waitUntil(self.skipWaiting());
});
self.addEventListener('activate', function(event) {
event.waitUntil(self.clients.claim());
});

159
app/javascript/flavours/glitch/service_worker/web_push_notifications.js
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@ -1,159 +0,0 @@
const MAX_NOTIFICATIONS = 5;
const GROUP_TAG = 'tag';
// Avoid loading intl-messageformat and dealing with locales in the ServiceWorker
const formatGroupTitle = (message, count) => message.replace('%{count}', count);
const notify = options =>
self.registration.getNotifications().then(notifications => {
if (notifications.length === MAX_NOTIFICATIONS) {
// Reached the maximum number of notifications, proceed with grouping
const group = {
title: formatGroupTitle(options.data.message, notifications.length + 1),
body: notifications
.sort((n1, n2) => n1.timestamp < n2.timestamp)
.map(notification => notification.title).join('\n'),
badge: '/badge.png',
icon: '/android-chrome-192x192.png',
tag: GROUP_TAG,
data: {
url: (new URL('/web/notifications', self.location)).href,
count: notifications.length + 1,
message: options.data.message,
},
};
notifications.forEach(notification => notification.close());
return self.registration.showNotification(group.title, group);
} else if (notifications.length === 1 && notifications[0].tag === GROUP_TAG) {
// Already grouped, proceed with appending the notification to the group
const group = cloneNotification(notifications[0]);
group.title = formatGroupTitle(group.data.message, group.data.count + 1);
group.body = `${options.title}\n${group.body}`;
group.data = { ...group.data, count: group.data.count + 1 };
return self.registration.showNotification(group.title, group);
}
return self.registration.showNotification(options.title, options);
});
const handlePush = (event) => {
const options = event.data.json();
options.body = options.data.nsfw || options.data.content;
options.dir = options.data.dir;
options.image = options.image || undefined; // Null results in a network request (404)
options.timestamp = options.timestamp && new Date(options.timestamp);
const expandAction = options.data.actions.find(action => action.todo === 'expand');
if (expandAction) {
options.actions = [expandAction];
options.hiddenActions = options.data.actions.filter(action => action !== expandAction);
options.data.hiddenImage = options.image;
options.image = undefined;
} else {
options.actions = options.data.actions;
}
event.waitUntil(notify(options));
};
const cloneNotification = (notification) => {
const clone = { };
for(var k in notification) {
clone[k] = notification[k];
}
return clone;
};
const expandNotification = (notification) => {
const nextNotification = cloneNotification(notification);
nextNotification.body = notification.data.content;
nextNotification.image = notification.data.hiddenImage;
nextNotification.actions = notification.data.actions.filter(action => action.todo !== 'expand');
return self.registration.showNotification(nextNotification.title, nextNotification);
};
const makeRequest = (notification, action) =>
fetch(action.action, {
headers: {
'Authorization': `Bearer ${notification.data.access_token}`,
'Content-Type': 'application/json',
},
method: action.method,
credentials: 'include',
});
const findBestClient = clients => {
const focusedClient = clients.find(client => client.focused);
const visibleClient = clients.find(client => client.visibilityState === 'visible');
return focusedClient || visibleClient || clients[0];
};
const openUrl = url =>
self.clients.matchAll({ type: 'window' }).then(clientList => {
if (clientList.length !== 0) {
const webClients = clientList.filter(client => /\/web\//.test(client.url));
if (webClients.length !== 0) {
const client = findBestClient(webClients);
const { pathname } = new URL(url);
if (pathname.startsWith('/web/')) {
return client.focus().then(client => client.postMessage({
type: 'navigate',
path: pathname.slice('/web/'.length - 1),
}));
}
} else if ('navigate' in clientList[0]) { // Chrome 42-48 does not support navigate
const client = findBestClient(clientList);
return client.navigate(url).then(client => client.focus());
}
}
return self.clients.openWindow(url);
});
const removeActionFromNotification = (notification, action) => {
const actions = notification.actions.filter(act => act.action !== action.action);
const nextNotification = cloneNotification(notification);
nextNotification.actions = actions;
return self.registration.showNotification(nextNotification.title, nextNotification);
};
const handleNotificationClick = (event) => {
const reactToNotificationClick = new Promise((resolve, reject) => {
if (event.action) {
const action = event.notification.data.actions.find(({ action }) => action === event.action);
if (action.todo === 'expand') {
resolve(expandNotification(event.notification));
} else if (action.todo === 'request') {
resolve(makeRequest(event.notification, action)
.then(() => removeActionFromNotification(event.notification, action)));
} else {
reject(`Unknown action: ${action.todo}`);
}
} else {
event.notification.close();
resolve(openUrl(event.notification.data.url));
}
});
event.waitUntil(reactToNotificationClick);
};
self.addEventListener('push', handlePush);
self.addEventListener('notificationclick', handleNotificationClick);