Uploader Button

Angular 2 - 7 File Uploader

Installation

1. Add ais-uploader module as dependency to your project.

npm install ais-uploader --save

2. Include AisUploaderModule into your main AppModule or in module where you will use it.

// app.module.ts
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { AisUploaderModule } from 'ais-uploader';

@NgModule({
  imports: [
    BrowserModule,
    AisUploaderModule
  ],
  declarations: [ AppComponent ]
})
export class AppModule {}

or include AisUploaderModule into your SharedModule. This could be usefull if your project has nested Modules.

// shared.module.ts
import { NgModule } from '@angular/core';
import { CommonModule } from '@angular/common';
import { AisUploaderModule } from 'ais-uploader';
...

@NgModule({
  imports: [
    CommonModule,
    AisUploaderModule,
    ...
  ],
  exports: [
    CommonModule,
    AisUploaderModule,
    ...
  ],
  ...
})
export class SharedModule {
}

// app.module.ts
import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { SharedModule } from './shared.module';

@NgModule({
  imports: [
    BrowserModule,
    SharedModule
  ],
  declarations: [ AppComponent ]
})
export class AppModule {}

Data Structures of Events

export interface UploaderConfig {    you can import { UploaderConfig } from 'ais-uploader';
      apiUrl: string; - url for upload
      supportedFormats: DocumentFileType[];  supported formats you can import { DocumentFileType } from 'ais-uploader';
      isDropAllowed?: boolean; - allow drop
      isMultiple?: boolean; - TODO
      isPreviewDisabled?: boolean; - creating preview data for img
      maxSize?: number;
      isAutoupload?: boolean;
      headers?: HttpHeaders;  - = new HttpHeaders({});
      imageResolution?: string; - resolution for Images ex. '1024x768'
      responseType?: string = chose from namespase UploaderResponseType.
}

// Methods
clear(emit: boolean: true): void - clear uploader; "if emit = true - clear emit onChange(undefined)"
preventUploading(): void - stop uploading
upload(): Promise<any> - start uploading

// output events emitted by ais-uploader
    onChange: EventEmitter<any> = emit uploaded file or preview data
    onProgress: EventEmitter<number> = emit progress
    onError: EventEmitter<string> emit errors from uploader

// getters
instance - uploader instance
fileName - selected file name
progress - uploading progress
tooltipMessage - info obout size and input formats

Example

You can always run working example by cloning this repository, building project with yarn build:prod and running server with node ./dist-app/api/index.js.

Component Code

import { Component } from '@angular/core';
import { UploaderDirective, UploaderConfig, DocumentFileType } from 'ais-uploader';

@Component({
  selector: 'app-home',
  templateUrl: 'app-home.component.html'
})
export class AppHomeComponent {
  config: UploaderConfig = new UploaderConfig(
        'http://api.com/upload',
        [DocumentFileType.PNG],
        ...);
        OR
  config: UploaderConfig = {
      apiUrl: '',
      supportedFormats: [],
      isDropAllowed: true,
      isPreviewDisabled: false;
      maxSize: 5;
      isAutoupload: true;
      headers: new HttpHeaders({
        Accept: 'application/json',
        Authorization: 'Bearer token',
      });
      responseType: UploaderResponseType.TEXT,
  };
  @ViewChild('uploader') uploader: UploaderDirective; if you want upload manualy

  constructor() {
  }

  async upload(): Promise<void> {
    const path = await this.uploader.upload();
  }

  cancelUpload(): void {
    this.uploader.preventUploading()
  }

  removeFile(): void {
    this.uploader.clear()
  }
}

Template Code

<div [uploader]="config" #uploader="uploader" (onChange)="" (onProgress)="" (onError)="">
<!--inside upoader directive use clear atribute for remove file or stop for prevent uploading-->
  <button clear>clear</button>
  <button stop>prevent upload</button>
</div>
<p>File Name {{uploader.fileName}}</p>
<p>Progress {{uploader.progress}}</p>
<button type="button" class="start-upload-btn" (click)="uploader.preventUploading()">
  Clear
</button>
<button type="button" class="start-upload-btn" (click)="uploader.clear()">
  Stop Upload
</button>

FOR SERVER

// POST controller
const files = request.files.file;

LICENCE

MIT