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Notice Me Senpai!

Senpai is a gracefully degrading wrapper around the Notification API. It allows you to write the same code in every browser and those who support the Notification API, will receive a notification while other receive nothing. It also automatically handles the permission handling for you.

Installation

The module is written against a commonjs module system and is published to the public npm registry. You can install it by simply running:

npm install --save senpai

Usage

Lets get down to the nitty gritty, the API. In all examples we assume that you've already required the library as followed:

'use strict';

var Notice = require('senpai');

The Notice constructor allows 2 arguments:

1. The title of the notification.
2. An options object that can configure the following the properties:

• silent Does the notification need to be silent of sound and vibration, defaults to true
• timeout How long should the notification be presented at the user. You usually only want to flash the user with notification instead of spamming them. Default 0 (disabled)

The options argument also allows all values that you can specify for a Notification like body and icon.

To create a new notification you simply construct a new instance:

var notify = new Notice('Notice me', {
  body: 'senpai!'
});

This should trigger a notification in the browser after you've accepted the request for permission. To destroy/close the notification you can invoke the destory method:

notify.destroy();

Events

You can subscribe to various of actions that take place in the life cycle of a notification. These events are emitted on the returned instance using the EventEmitter API. So you can subscribe to closing of the notification using:

notify.on('close', function () {
  console.log('The notification was closed');
});

The following events are emitted:

• timeout The notification has timed out, we're going to close it. This is only emitted if you've set the timeout value in the constructor.
• close The notification has been closed, if the first argument received in this event is an error then it was closed due to an error.
• seen The user has clicked the notification.
• error Something odd has happened, this will cause the notification to close automatically.

License

MIT