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Angular2-Toaster

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Angular2-toaster is an asynchronous, non-blocking Angular Toaster Notification library

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- settings.json
- - karma.conf.js
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  - package.json
  - README.md
  - tsconfig.lib.json
  - tsconfig.lib.prod.json
  - tsconfig.spec.json
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# Installation Guide

1. Get the code

git clone https://github.com/Stabzs/Angular2-Toaster

Downloads the entire project code from GitHub to your computer.

cd Angular2-Toaster

Moves into the project folder you just downloaded.

2. Node.js

Easy Recommended

Prerequisites

Git Needed to download the project code from GitHub.
Node.js Node.js must be installed to use npm. The LTS version is recommended.

npm install angular2-toaster

Downloads and installs the libraries listed in package.json.

'@angular/core': 'npm:@angular/core/bundles/core.umd.js',

Type this command into your terminal and run it.

'rxjs': 'npm:rxjs',

Type this command into your terminal and run it.

'angular2-toaster': 'npm:angular2-toaster/bundles/angular2-toaster.umd.js'

Type this command into your terminal and run it.

npm install

Downloads and installs the libraries listed in package.json.

✅ After running the command, open the address shown in the terminal (usually something like http://localhost:3000) in your browser.

Pulled directly from this repo's README.

// repository documentation

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# Angular2-Toaster

**angular2-toaster** is an asynchronous, non-blocking, Ahead of Time Compilation-supported Angular Toaster Notification library 
largely based off of [AngularJS-Toaster](https://github.com/jirikavi/AngularJS-Toaster).

[![npm](https://img.shields.io/npm/v/angular2-toaster.svg?maxAge=3600?800=true)](https://www.npmjs.com/package/angular2-toaster)
[![npm](https://img.shields.io/npm/dt/angular2-toaster.svg?cache=true)](https://www.npmjs.com/package/angular2-toaster)
[![Build Status](https://travis-ci.org/Stabzs/Angular2-Toaster.svg?branch=master)](https://travis-ci.org/Stabzs/Angular2-Toaster)
[![Coverage Status](https://coveralls.io/repos/github/Stabzs/Angular2-Toaster/badge.svg?branch=master&b=11.0.0)](https://coveralls.io/github/Stabzs/Angular2-Toaster?branch=master)

Version ^11.0.0 has a number of new features, type definitions, and breaking changes.  Please review the 
[CHANGELOG](CHANGELOG.md/#11.0.0) for a list of features and breaking changes before upgrading.

Version ^5.0.0 requires either `.forRoot()` or `.forChild()` `ToasterModule` inclusion.  Please 
read the 5.x.x release notes and the `Getting Started` section before upgrading.

Version ^4.0.0 now supports @angular/animations, which is a breaking change. 
Please read both the Getting Started and Animations sections before upgrading.

# Demo
A dynamic Angular and Typescript demo can be found at 
[this plunker](http://plnkr.co/edit/hkENUhos6q9fhiOHprXO?p=preview).

# Getting Started

## Installation:

```bash
npm install angular2-toaster
```

## Import CSS

### Copy or Link CSS
```html
<link rel="stylesheet" type="text/css" href="/node_modules/angular2-toaster/toaster.css" />
```
or
```html
<link rel="stylesheet" type="text/css" href="/node_modules/angular2-toaster/toaster.min.css" />
```

### Import CSS with Sass or Less
```scss
@import 'node_modules/angular2-toaster/toaster';
```

### Compile the Library's SCSS
```scss
@import 'node_modules/angular2-toaster/toaster';
```

## Import Library

### Import via SystemJS
Within the `map` property of the `systemjs.config` file, add mappings for angular, rxjs 
(which is a dependency), and the angular2-toaster bundled umd file:

```javascript
map: {
      // angular bundles
      '@angular/core': 'npm:@angular/core/bundles/core.umd.js',
      // ...
      // other libraries
      'rxjs':  'npm:rxjs',
      'angular2-toaster': 'npm:angular2-toaster/bundles/angular2-toaster.umd.js'
```

### Import via Webpack
Simply follow the `Getting Started` instructions to import the library.

## Getting Started With Default Configuration - NgModule (Recommended):
```typescript
import {NgModule, Component} from '@angular/core';
import {BrowserAnimationsModule} from '@angular/platform-browser/animations';
import {ToasterModule, ToasterService} from 'angular2-toaster';
import {Root} from './root.component'

@NgModule({
    imports: [BrowserAnimationsModule, ToasterModule.forRoot()],
    declarations: [Root],
    bootstrap: [Root]
})

@Component({
    selector: 'root',
    template: `
            <toaster-container></toaster-container>
            <button (click)="popToast()">pop toast</button>`
})

export class Root {
    private toasterService: ToasterService;

constructor(toasterService: ToasterService) {
        this.toasterService = toasterService;
    }

popToast() {
        this.toasterService.pop('success', 'Args Title', 'Args Body');
    }
}
```
`ToasterModule.forRoot()` is recommended for most applications as it will guarantee a single instance of the ToasterService, ensuring that all recipient containers observe the same ToasterService events.

For subsequent inclusions, use `ToasterModule.forChild()` to provide the `ToasterContainerComponent` only, ensuring that `ToasterService` is still held as a singleton at the root.

## Getting Started with Default Configuration - Manual Component Inclusion (obsolete >= 5.0.0):

```typescript
import {Component} from '@angular/core';
import {BrowserAnimationsModule} from '@angular/platform-browser/animations';
import {ToasterContainerComponent, ToasterService} from 'angular2-toaster';

@Component({
    selector: 'root',
    imports: [BrowserAnimationsModule],
    directives: [ToasterContainerComponent],
    providers: [ToasterService],
    template: `
        <toaster-container></toaster-container>
        <button (click)="popToast()">pop toast</button>`
})

class Root {
    private toasterService: ToasterService;
    
    constructor(toasterService: ToasterService) {
        this.toasterService = toasterService;    
    }
    
    popToast() {
        this.toasterService.pop('success', 'Args Title', 'Args Body');
    }
}

bootstrap(Root);
```

## Getting Started with Configuration Override:

```typescript
import {Component} from '@angular/core';
import {BrowserAnimationsModule} from '@angular/platform-browser/animations';
import {ToasterModule, ToasterService, ToasterConfig} from 'angular2-toaster';

@Component({
    selector: 'root',
    imports: [BrowserAnimationsModule, ToasterModule.forRoot()],
    template: `
        <toaster-container [toasterconfig]="config">
        </toaster-container>
        <button (click)="popToast()">pop toast</button>`
})

class Root {
    private toasterService: ToasterService;
    
    constructor(toasterService: ToasterService) {
        this.toasterService = toasterService;    
    }
    
    public config: ToasterConfig = 
        new ToasterConfig({
            showCloseButton: true, 
            tapToDismiss: false, 
            timeout: 0
        });
    
    popToast() {
        this.toasterService.pop('success', 'Args Title', 'Args Body');
    }
}

bootstrap(Root);
```

## Asynchronous vs Synchronous ToasterService
`ToasterService` exposes both a synchronous and asynchronous pop method in the form of `pop()` and 
`popAsync()` respectively.

`pop()` returns a concrete `Toast` instance after the toastId property has been hydrated and the 
toast has been added to all receiving containers.

`popAsync()` returns a hot `Observable<Toast>` that may be subscribed to to receive multiple toast 
updates.

## Customize Toast arguments in pop
```typescript

var toast: Toast = {
    type: 'success',
    title: 'close button',
    showCloseButton: true
};

this.toasterService.pop(toast);

```

## Clear Existing Toast
`ToasterService` exposes a `clear` function that accepts two optional parameters: `toastId` and 
`toastContainerId`.

These parameters can be used to clear toasts by specific id, by container id, 
by both, or by neither.  If both parameters are omitted, all toasts in all containers will be 
removed.

```typescript
var toast = this.toasterService.pop('success', 'title', 'body');
this.toasterService.clear(toast.toastId, toast.toastContainerId);
```

## Animations
Starting with version `4.0.0` and greater, Animation configuration is required, as described in the 
`Getting Started` section.

To add animations:

- Install the `@angular/animations` npm package via 
`npm install @angular/animations`.
- Add the `BrowserAnimationsModule` to your root module

```typescript
    import {NgModule, Component} from '@angular/core';
    import {BrowserAnimationsModule} from '@angular/platform-browser/animations';
    import {ToasterModule} from 'angular2-toaster';
    
    @NgModule({
        imports: [BrowserAnimationsModule, ToasterModule],
        ...
    ```

If you want to avoid bringing in an additional module solely for the sake of animations, you can 
explicitly configure `angular2-toaster` to ignore animations.  To do so, import the 
`NoopAnimationsModule` instead:

```typescript
import {NoopAnimationsModule} from '@angular/platform-browser/animations';
import {ToasterModule} from 'angular2-toaster';
    
@NgModule({
    imports: [NoopAnimationsModule, ToasterModule],
    ...
```

Angular Animations require [browsers](http://caniuse.com/#feat=web-animation) that support the [Web Animations Standard](https://w3c.github.io/web-animations/).

If you need to target a non-supported browser, a [polyfill](https://github.com/web-animations/web-animations-js) is required.

# Configurable Options
### Toast Types
By default, five toast types are defined via the `ToastType` type: 'error, 'info', 'wait', 'success', and 'warning'.

The existing toast type configurations can be overridden by passing a mapping object that uses the 
same type names but overrides the style class:

```typescript
template: 
    `<toaster-container [toasterconfig]="config"></toaster-container>`

public config: ToasterConfig = 
    new ToasterConfig({typeClasses: {
      error: 'custom-toast-error',
      info: 'custom-toast-info',
      wait: 'custom-toast-wait',
      success: 'custom-toast-success',
      warning: 'custom-toast-warning'
    }});
```

In addition, the default options can be overridden, replaced, or expanded, by extending the toast type with a 
custom type and passing a mapping object to the config, where the key corresponds to the toast type and the 
value corresponds to a custom class:

**NOTE: When providing a custom type, both the typeClasses and iconClasses objects must be updated.
In the case where either are not provided, the toast type will fall back to the `defaultToastType` which 
defaults to `info`.**
```typescript
import {DefaultTypeClasses, DefaultIconClasses} from 'angular2-toaster';
type ExtendedToastType = ('partial-success') & ToastType;

template: 
    `<toaster-container [toasterconfig]="config"></toaster-container>`

extendedTypeClasses = { ...DefaultTypeClasses, ...{ 'partial-success': 'toast-partial-success' }};
extendedIconClasses = { ...DefaultIconClasses, ...{ 'partial-success': 'icon-partial-success' }};

public config: ToasterConfig = 
    new ToasterConfig({
        typeClasses: <ExtendedToastType>this.extendedTypeClasses,
        iconClasses: <ExtendedToastType>this.extendedIconClasses
    });
```

### Animations
There are five animation styles that can be applied via the toasterconfig `animation` property: 
'fade', 'flyLeft', 'flyRight', 'slideDown', and 'slideUp'.  Any other value will disable animations.

```typescript
template: 
    `<toaster-container [toasterconfig]="config"></toaster-container>`

public config: ToasterConfig = 
    new ToasterConfig({animation: 'fade'});
```

### Limit
Limit is defaulted to null, meaning that there is no maximum number of toasts that are defined 
before the toast container begins removing toasts when a new toast is added.

To change this behavior, pass a "limit" option to the config:

```typescript
template: 
    `<toaster-container [toasterconfig]="config"></toaster-container>`

public config: ToasterConfig = 
    new ToasterConfig({limit: 5});
```

### Tap to Dismiss
By default, the `tapToDismiss` option is set to true, meaning that if a toast is clicked anywhere 
on the toast body, the toast will be dismissed.  This behavior can be overriden in the config so 
that if set to false, the toast will only be dismissed if the close button is defined and clicked:

```typescript
template: 
    `<toaster-container [toasterconfig]="config"></toaster-container>`

public config: ToasterConfig = 
    new ToasterConfig({tapToDismiss: false});
```

### Container Position
There are nine pre-built toaster container position configurations:

```
'toast-top-full-width', 'toast-bottom-full-width', 'toast-center',
'toast-top-left', 'toast-top-center', 'toast-top-right',
'toast-bottom-left', 'toast-bottom-center', 'toast-bottom-right'
```

By default, `'toast-top-right'` will be used.  You can specify an override (or your own custom position class that correlates to your CSS) via the `positionClass` property:

```typescript
template: 
    `<toaster-container [toasterconfig]="config"></toaster-container>`

public config: ToasterConfig = 
    new ToasterConfig({positionClass: 'toast-top-left'});
```

### Close Button

The Close Button's visibility can be configured at three different levels:

* Globally in the config for all toast types:

```typescript
    template: 
        `<toaster-container [toasterconfig]="config"></toaster-container>`

public config: ToasterConfig = 
        new ToasterConfig({showCloseButton: true});
    ```

* Per info-class type:
By passing the close-button configuration as an object instead of a boolean, you can specify the global behavior an info-class type should have.

```typescript
    template: 
        `<toaster-container [toasterconfig]="config"></toaster-container>`

public config: ToasterConfig = 
        new ToasterConfig({
            showCloseButton: { 'warning': true, 'error': false }
        });
    ```
    
    If a type is not defined and specified, the default behavior for that type is false.

* Per toast constructed via Toast object creation:

```typescript
    var toast : Toast = {
        type: 'error',
        title: 'Title text',
        body: 'Body text',
        showCloseButton: true
    };
    
    this.toasterService.pop(toast);
    
    ```
    
    This option is given the most weight and will override the global configurations for that toast.  However, it will not persist to other toasts of that type and does not alter or pollute the global configuration.

### Close Html

The close button html can be overridden either globally or per toast call.

- Globally:

```typescript
    template: 
        `<toaster-container [toasterconfig]="config"></toaster-container>`

public config: ToasterConfig = 
        new ToasterConfig({
            closeHtml: '<button>Close</button>'
        });
    ```

- Per toast:

```typescript
    var toast : Toast = {
        type: 'error',
        title: 'Title text',
        body: 'Body text',
        showCloseButton: true,
        closeHtml: '<button>Close</button>'
    };
    
    this.toasterService.pop(toast);
    ```

### Newest Toasts on Top
The `newestOnTop` option is defaulted to true, adding new toasts on top of other existing toasts. 
If changed to false via the config, toasts will be added to the bottom of other existing toasts.

```typescript
template: 
    `<toaster-container [toasterconfig]="config"></toaster-container>`

public config: ToasterConfig = 
    new ToasterConfig({newestOnTop: false});
```

### Timeout
By default, toasts have a timeout setting of 5000, meaning that they are removed after 5000 
milliseconds.

If the timeout is set to anything other than a number greater than 0, the toast will be considered
 "sticky" and will not automatically dismiss.

The timeout can be configured at three different levels:

* Globally in the config for all toast types:
  ```typescript
  template: 
    `<toaster-container [toasterconfig]="config"></toaster-container>`

public config: ToasterConfig = 
        new ToasterConfig({timeout: 2000});
  ```

* Per info-class type:
By passing the timeout config option as an object instead of a number, you can specify the global 
behavior an info-class type should have.

```
  template: 
    `<toaster-container [toasterconfig]="config"></toaster-container>`

public config: ToasterConfig = 
      new ToasterConfig({timeout: {error:1000});
  ```
If a type is not defined and specified, a timeout will not be applied, making the toast "sticky".

* Per toast constructed via toaster.pop('success', "title", "text"):
  ```typescript
  var toast : Toast = {
      type: 'error',
      title: 'Title text',
      body: 'Body text',
      showCloseButton: true,
      closeHtml: '<button>Close</button>'
  };
        
  this.toasterService.pop(toast);
  ```

### Prevent Timeout on Mouseover
By default, all toasts are dismissed when their timer expires, even if you mouse over the toast.  
This can be overriden via the container's config.

```typescript
template: 
    `<toaster-container [toasterconfig]="config"></toaster-container>`

public config: ToasterConfig = 
    new ToasterConfig({mouseoverTimerStop: false});
```

### Body Output Type
There are three different types of body renderings that can be passed via the 
`toast.bodyOutputType` argument: 'Default', 'TrustedHtml', and 'Component'. If a `bodyOutputType` 
is not provided, it will be defaulted to 'Default'.

* Default: The `body` argument will be directly interpolated as text content.  If html is passed 
 in the `body` argument, it will be encoded and rendered as text.
 
* TrustedHtml: The `body` argument will be parsed and rendered as html content.
  ```typescript
  import {BodyOutputType} from 'angular2-toaster';
  var toast : Toast = {
      type: 'error',
      title: 'Title text',
      body: '<h4>Body text</h4>',
      bodyOutputType: BodyOutputType.TrustedHtml
  };
            
  this.toasterService.pop(toast);
  ```

* Component: The `body` argument is the name of the component class to be rendered as the content 
of the toast.
  ```typescript
  import {BodyOutputType} from 'angular2-toaster';
  
  @Component({
    selector: 'dynamic-component',
    template: `<div>loaded via component</div>`
  })
  class DynamicComponent { }
  
  var toast : Toast = {
      type: 'error',
      title: 'Title text',
      body: DynamicComponent,
      bodyOutputType: BodyOutputType.Component
  };
            
  this.toasterService.pop(toast);
  ```

The Component BodyOutputType offers the additional flexibilty of attaching the toast instance to 
  your component.  It is recommended that you expose a public property on your component for type 
  safe access to the toast instance if you need to consume it inside of your component.  
  Mutation of the toast instance is not recommended.

### Progress Bar
A progress bar can be enabled per toast via the `progressBar` property.  If set to true, a progress bar will be 
displayed that indicates how much time is remaining for the toast before it is automatically dismissed.

The progress bar has two directions: `decreasing` or right-to-left and `increasing`, or left-to-right.  While defaulted 
to `decreasing`, it can be overridden per toast:

```typescript
var toast: Toast = {
  type: 'success',
  progressBar: true,
  progressBarDirection: 'increasing'  
};

this.toasterService.pop(toast);
```

### On Show Callback
An onShow callback function can be attached to each toast instance.  The callback will be invoked upon toast add.

```typescript
var toast: Toast = {
  type: 'success',
  title: 'parent',
  onShowCallback: (toast) => this.toasterService.pop('success', 'invoked from ' + toast.title + ' onShow callback')  
};

this.toasterService.pop(toast);
```

### On Hide Callback
An onHide callback function can be attached to each toast instance.  The callback will be invoked upon toast removal.

```typescript
var toast: Toast = {
  type: 'success',
  title: 'parent',
  onHideCallback: (toast) => this.toasterService.pop('success', 'invoked from ' + toast.title + ' onHide callback')  
};

this.toasterService.pop(toast);
```

### On Click Callback
An onClick callback function can be attached to each toast instance.  The callback will be invoked upon the toast being 
clicked, even if the click is the close button.  The callback will be invoked before the toast is removed.

```typescript
var toast: Toast = {
  type: 'success',
  title: 'parent',
  onClickCallback: (toast) => this.toasterService.pop('success', 'invoked from ' + toast.title + ' onClick callback')  
};

this.toasterService.pop(toast);
```

# Building the Source
In order to build Angular2-Toaster for development, you will need to have Git and Node.js installed.

Clone a copy of the repo:

```bash
git clone https://github.com/stabzs/Angular2-Toaster.git
```

In the cloned directory, run:
```bash
npm install
```

Run Angular AoT compiler:
```bash
npm run build
```

Run Karma test instance with coverage report:
```bash
ng test angular2-toaster --code-coverage
```

# Frequently Asked Questions and Issues
## I get the `No Toaster Containers have been initialized to receive toasts.` error

You have not properly initialized a toaster container instance before trying to publish a toast. 
Make sure that you have rendered the `toaster-container` component and that you are importing 
the `ToasterModule` with `ToasterModule.forRoot()`.

## Toasts are not displayed when popped from an error handler
The `handleError` function is executed outsize of an Angular zone.  You need to 
explicitly tell Angular to run the pop call within the context of a zone.

```TypeScript
export class AppErrorHandler implements ErrorHandler {
    constructor(
        private toasterService: ToasterService,
        private ngZone : NgZone) { }

handleError(error: any): void {
        this.ngZone.run(() => {
            this.toasterService.pop('error', "Error", error);
        });  
    }
}
```
(See this great [Stack Overflow Answer]( https://stackoverflow.com/questions/44975477/angular2-ng-toasty-errorhandler) for more details).

## Author
[Stabzs](stabzssoftware@gmail.com)

## Credits
Rewritten from https://github.com/jirikavi/AngularJS-Toaster

Inspired by http://codeseven.github.io/toastr/demo.html.

## Copyright
Copyright © 2016-2020 Stabzs.

## Licence

This project is licensed under the MIT license. See the [LICENSE](LICENSE) file for more info.