angular-notifier
Advanced tools
A well designed, fully animated, highly customizable, and easy-to-use notification library for your Angular 2+ application.
A well designed, fully animated, highly customizable, and easy-to-use notification library for your Angular 2+ application.
You can play around with this library with this Plunker right here.
Moreover, you can take a look at the Changelog as well as at the MIT License. Or learn about me.
To get this library via npm, we simply have to add it as a new dependency to our package.json file, or alternatively run:
npm install angular-notifier --save
If we're using SystemJS, we should extend our configuration with the following details:
System.config( {
map: {
'angular-notifier': 'node_modules/angular-notifier'
},
packages: {
'angular-notifier': {
defaultExtension: 'js',
main: 'index.js'
}
}
} );
We can also use the bundles coming along with the library, either the default UMD bundle (in bundles/angular-notifier.umd.js), or the
minified one (in bundles/angular-notifier.umd.min.js).
Note about modules:
All bundles are compiled to ES5, using the ES5-compatible UMD module syntax. All the single modules / files, on the other hand, are also compiled to ES5 - but use the ES6 module syntax (in order to allow tree shaking). Thus, when using the single modules / files (e.g. within your SystemJS configuration), you might need to include a Transpiler (e.g. Babel) which then converts those ES6 modules in ES5-compatible ones (e.g. CommonJS) at runtime.
Depending on the browser support we're aiming for, we might also need to bring in some of the following polyfills:
node_modules/core-js/client/shim.min.js at the top of our main HTML page.node_modules/web-animations-js/web-animations-next.min.js at the top of our main HTML page.Both of these polyfills are also official recommendations by the Angular team. Both are part of this project#s devDependencies (see
package.jsonfile).
Before actually being able to use the angular-notifier library within our code, we have to first set it up within Angular, and also bring the styles into our project,
First of all, we need to make the angular-notifier library globally available to our Angular application. To accomplish this, we can
import the NotifierModule and add it to the imports of our root Angular module, like:
import { NotifierModule } from 'angular-notifier';
@NgModule( {
imports: [
NotifierModule
]
} )
export class AppModule {}
However, we probably might want to customize our notifications' look and behaviour according to our needs. To do so, we can call the
forRoot method on the NotifierModule and pass in the options, like:
import { NotifierModule } from 'angular-notifier';
@NgModule( {
imports: [
NotifierModule.forRoot( {
// Custom options in here
} )
]
} )
export class AppModule {}
This syntax is similar to the one used for configuring the (new new) Angular Router.
In addition, we have to setup the notification container component once; later on, it will containg and manage all notifications. Simply
insert the x-notifier-container tag somewhere in your root component (e.g. at the end), like:
@Component( {
selector: 'app',
template: `
<h1>Hello World</h1>
<x-notifier-container></x-notifier-container>
`
} )
export class AppComponent {}
In addition, we need to bring in the angular-notifier styles into our application. Depending on how we built and structured our Angular application, we can either use the original SASS files, or the already compiled CSS files - or even none of them if we want to write all the styles by ourselves.
We can use all angular-notifier styles by simply including one file into our main HTML file:
<!-- Using all styles at once -->
<link rel="stylesheet" href="[...]/node_modules/angular-notifier/bundles/style.css">
<!-- Using all (already minified) styles at once -->
<link rel="stylesheet" href="[...]/node_modules/angular-notifier/bundles/style.min.css">
Alternatively, we can also import the main SASS file (style.scss) into our own SASS project styles:
// Using the SASS entry file (don't forget the file extension)
@import "[...]/node_modules/angular-notifier/style.scss";
To keep the size if our CSS as small as possible (in order to optimize overall performance, and thus increase the User Experience), we can also decide to only include the styles we actually need within our application. All styles of angular-notifier are modular:
core styles are required; they set basic styles (e.g. the layout).src/styles/theme folder.src/styles/types folder.For example, if we want to use the material theme, and we know for sure that we're only displaying success and error notifications, we
can only include the files we'll actually need in our HTML file:
<!-- Using only the styles we actually need -->
<link rel="stylesheet" href="[...]/node_modules/angular-notifier/src/styles/core.css">
<link rel="stylesheet" href="[...]/node_modules/angular-notifier/src/styles/themes/material-theme.css">
<link rel="stylesheet" href="[...]/node_modules/angular-notifier/src/styles/types/type-success.css">
<link rel="stylesheet" href="[...]/node_modules/angular-notifier/src/styles/types/type-error.css">
Or, alternatively, we can also import all the SASS files we need into our own SASS project styles:
// Using only the SASS files we actually need (don't forget the file extension)
@import "[...]/node_modules/angular-notifier/src/styles/core.scss";
@import "[...]/node_modules/angular-notifier/src/styles/themes/material-theme.scss";
@import "[...]/node_modules/angular-notifier/src/styles/types/type-success.scss";
@import "[...]/node_modules/angular-notifier/src/styles/types/type-error.scss";
Using angular-notifier is as simple as it can get. Before actually using the notifier, we have to import and inject the
NotifierService into every component (or service, or ...) we want to use it, like:
import { NotifierService } from 'angular-notifier';
@Component( {
// Implementation details ...
} )
export class MyAwesomeComponent {
private notifier: NotifierService;
public constructor( notifierService: NotifierService ) {
this.notifier = notifierService;
}
}
Showing a notification is easy - all we need is a type, and a message we want to display:
this.notifier.notify( 'success', 'You are awesome! I mean it!' );
We can further pass in a notification ID. This notification ID is nothing more but a simply (yet unique) string, which we can use later on to have access to this specific notification (for example to hide this notification).
this.notifier.notify( 'success', 'You are awesome! I mean it!', 'THAT_NOTIFICATION_ID' );
Under the hood, angular-notifier will always create its own notification ID if none is provided. However, there's no way to get this notification ID from outside, and there's no way to change the notification ID later on.
As an alternative, you can also show a new notification with the following, more generic syntax:
this.notifier.show( {
type: 'success',
message: 'You are awesome! I mean it!',
id: 'THAT_NOTIFICATION_ID' // Similar to above, this key is optional
} );
We can hide a specific notification. However, this is only possible if we know its notification ID. This ID needs to be set when initially showing the notification. If we did, then we can hide a specific notification from anywhere within our application:
this.notifier.hide( 'THAT_NOTIFICATION_ID' );
Furthermore, We can only hide the newest notification:
this.notifier.hideNewest();
Or, we can only hide the oldest notification:
this.notifier.hideOldest();
Finally, we can also hide all notification at once:
this.notifier.hideAll();
The angular-notifier library is fully customizable, so it works the way we want it to, and we can make it blend perfectly into the rest of our application. The default configuration already tries to provide the best User Experience possible.
It's important to keep in mind that angular-notifier can be configured only once - which is at the time we import the NotifierModule
into our own app module. For details on how to use our own custom configuration, go back and read the
guide for using angular-notifier in our angular application.
With the position object we can define where exactly notification will appear on the screen:
position: {
horizontal: {
/**
* Defines the horizontal position on the screen
* @type {'left' | 'middle' | 'right'}
*/
position: 'left',
/**
* Defines the horizontal distance to the screen edge (in px)
* @type {number}
*/
distance: 12
},
vertical: {
/**
* Defines the vertical position on the screen
* @type {'top' | 'bottom'}
*/
position: 'bottom',
/**
* Defines the vertical distance to the screen edge (in px)
* @type {number}
*/
distance: 12
/**
* Defines the vertical gap, existing between multiple notifications (in px)
* @type {number}
*/
gap: 10
}
}
With the theme object we can define the look and feel of our notifications:
/**
* Defines the notification theme, responsible for the Visual Design of notifications
* @type {string}
*/
theme: 'material';
How does theming work? The value of the theme property will be part of a class added to each notification when being created. For example,
using the material theme means that all notifications get an additional class named x-notifier__notification--material.
Everyone (yes, I'm looking at you) can use this mechanism to write a custom notification theme in CSS, and aply it via the
themeoption. Take a look at the themes coming along with this library (right now onlymaterial) for an example of how to create custom themes from scratch.
With the behaviour object we can define how notifications will behave in different situations:
behaviour: {
/**
* Defines whether each notification will hide itself automatically after a timeout passes
* @type {number | false}
*/
autoHide: 5000,
/**
* Defines what happens when someone clicks on a notification
* @type {'hide' | false}
*/
onClick: false,
/**
* Defines what happens when someone hovers over a notification
* @type {'pauseAutoHide' | 'resetAutoHide' | false}
*/
onMouseover: 'pauseAutoHide',
/**
* Defines whether the dismiss button is visible or not
* @type {boolean}
*/
showDismissButton: true,
/**
* Defines whether multiple notification will be stacked, and how high the stack limit is
* @type {number | false}
*/
stacking: 4
}
With the animations object we can define whether and how notification will be animated:
animations: {
/**
* Defines whether all (!) animations are enabled or disabled
* @type {boolean}
*/
enabled: true,
show: {
/**
* Defines the animation preset that will be used to animate a new notification in
* @type {string}
*/
preset: 'slide', // Right now: 'slide' or 'fade'
/**
* Defines how long it will take to animate a new notification in (in ms)
* @type {number}
*/
speed: 300,
/**
* Defines which easing method will be used when animating a new notification in
* @type {string}
*/
easing: 'ease' // All standard CSS easing methods work
},
hide: {
/**
* Defines the animation preset that will be used to animate a new notification out
* @type {string}
*/
preset: 'fade', // Right now: 'slide' or 'fade'
/**
* Defines how long it will take to animate a new notification out (in ms)
* @type {number}
*/
speed: 300,
/**
* Defines which easing method will be used when animating a new notification out
* @type {string}
*/
easing: 'ease', // All standard CSS easing methods work
/**
* Defines the animation offset used when hiding multiple notifications at once (in ms)
* @type {number | false}
*/
offset: 50
},
shift: {
/**
* Defines how long it will take to shift a notification around (in ms)
* @type {number}
*/
speed: 300,
/**
* Defines which easing method will be used when shifting a notification around
* @type {string}
*/
easing: 'ease' // All standard CSS easing methods work
},
/**
* Defines the overall animation overlap, allowing for much smoother looking animations (in ms)
* @type {number | false}
*/
overlap: 150
}
To sum it up, this is the default configuration (copy-paste-friendly):
const notifierDefaultOptions: NotifierOptions = {
position: {
horizontal: {
position: 'left',
distance: 12
},
vertical: {
position: 'bottom',
distance: 12,
gap: 10
}
},
theme: 'material',
behaviour: {
autoHide: 5000,
onClick: false,
onMouseover: 'pauseAutoHide',
showDismissButton: true,
stacking: 4
},
animations: {
enabled: true,
show: {
preset: 'slide',
speed: 300,
easing: 'ease'
},
hide: {
preset: 'fade',
speed: 300,
easing: 'ease',
offset: 50
},
shift: {
speed: 300,
easing: 'ease'
},
overlap: 150
}
};
There is an endless number of features, enhancements, and optimizations that would be possible (and awesome to have) in the angular-notifier library. Some ideas:
You can't wait for one of these features? Or have some new ideas? Let me know by creating an issue.
Dominique Müller
FAQs
A well designed, fully animated, highly customizable, and easy-to-use notification library for your Angular application.
The npm package angular-notifier receives a total of 8,418 weekly downloads. As such, angular-notifier popularity was classified as popular.
We found that angular-notifier 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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