@trendster-io/ng-uploader
Version:
A fully featured Angular file uploader that utilizes Angular's HttpClient internally, allows you to customize outgoing HTTP requests using the "Angular Way" (Interceptors), provides customizable concurrent queuing of uploads and a simple way to select fil
327 lines • 20.5 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
import { HttpRequest } from '@angular/common/http';
import { Observable, Subject } from 'rxjs';
export class UploadItem {
/**
* @param {?} listener
* @param {?} options
*/
constructor(listener, options) {
this.listener = listener;
this.onResponseSubject = new Subject();
this.onProgressSubject = new Subject();
this.onErrorSubject = new Subject();
this.onResponse = this.onResponseSubject.asObservable();
this.onProgress = this.onProgressSubject.asObservable();
this.onError = this.onErrorSubject.asObservable();
this._progress = 0;
this.url = options.url;
this.method = options.method;
this.file = options.file;
this.fileAlias = options.fileAlias || 'file';
this.additionalParams = options.additionalParams;
this._req = this.buildRequest();
/** @type {?} */
const fileCategory = this.file.type.split('/')[0];
if (fileCategory === 'image' || fileCategory === 'video') {
this.preview = this.readMediaFile();
}
}
/**
* @return {?}
*/
get req() {
return this._req;
}
/**
* @return {?}
*/
get progress() {
return this._progress;
}
/**
* @return {?}
*/
get fileName() {
return this.file.name;
}
/**
* @return {?}
*/
get isReady() {
return this.ready;
}
/**
* @return {?}
*/
get isUploading() {
return this.uploading;
}
/**
* @return {?}
*/
get isUploaded() {
return this.uploaded;
}
/**
* @return {?}
*/
get isCancelled() {
return this.cancelled;
}
/**
* @return {?}
*/
get isError() {
return this.error;
}
/**
* @private
* @return {?}
*/
buildFormData() {
/** @type {?} */
const formData = new FormData();
if (this.additionalParams) {
Object.entries(this.additionalParams).forEach((/**
* @param {?} __0
* @return {?}
*/
([key, value]) => formData.set(key, value)));
}
formData.set(this.fileAlias, this.file, this.file.name);
return formData;
}
/**
* @private
* @return {?}
*/
buildRequest() {
/** @type {?} */
const body = this.buildFormData();
return new HttpRequest(this.method, this.url, body, {
reportProgress: true
});
}
/**
* @private
* @return {?}
*/
readMediaFile() {
return new Observable((/**
* @param {?} observer
* @return {?}
*/
observer => {
/** @type {?} */
const reader = new FileReader();
reader.onload = (/**
* @return {?}
*/
() => {
observer.next((/** @type {?} */ (reader.result)));
observer.complete();
});
reader.onerror = (/**
* @return {?}
*/
() => {
reader.abort();
observer.error(reader.error);
});
reader.readAsDataURL(this.file);
}));
}
/**
* @return {?}
*/
cleanup() {
this.onResponseSubject.complete();
this.onProgressSubject.complete();
this.onErrorSubject.complete();
}
/**
* @return {?}
*/
onBeforeUpload() {
this.ready = true;
this.uploading = false;
this.uploaded = false;
this.cancelled = false;
this.error = false;
this._progress = 0;
}
/**
* @return {?}
*/
onUploadStart() {
this.ready = true;
this.uploading = true;
this.uploaded = false;
this.cancelled = false;
this.error = false;
}
/**
* @param {?} res
* @return {?}
*/
onUploadSuccess(res) {
this.ready = false;
this.uploading = false;
this.uploaded = true;
this.cancelled = false;
this.error = false;
this._progress = 100;
this.onResponseSubject.next(res);
this.cleanup();
}
/**
* @param {?} progress
* @return {?}
*/
onUploadProgress(progress) {
this._progress = progress;
this.onProgressSubject.next(this._progress);
}
/**
* @return {?}
*/
onUploadCancelled() {
this.ready = false;
this.uploading = false;
this.uploaded = false;
this.cancelled = true;
this.error = false;
this._progress = 0;
}
/**
* @param {?} err
* @return {?}
*/
onUploadError(err) {
this.ready = false;
this.uploading = false;
this.uploaded = false;
this.cancelled = false;
this.error = true;
this._progress = 0;
this.onErrorSubject.next(err);
}
/**
* @param {?=} additionalParams
* @return {?}
*/
upload(additionalParams) {
if (additionalParams) {
this.additionalParams = additionalParams;
this._req = this.buildRequest();
}
this.listener.uploadItem(this);
}
/**
* @return {?}
*/
cancel() {
this.listener.cancelItem(this);
}
/**
* @return {?}
*/
remove() {
this.listener.removeItem(this);
}
}
if (false) {
/** @type {?} */
UploadItem.prototype.preview;
/** @type {?} */
UploadItem.prototype.onResponse;
/** @type {?} */
UploadItem.prototype.onProgress;
/** @type {?} */
UploadItem.prototype.onError;
/**
* @type {?}
* @private
*/
UploadItem.prototype.onResponseSubject;
/**
* @type {?}
* @private
*/
UploadItem.prototype.onProgressSubject;
/**
* @type {?}
* @private
*/
UploadItem.prototype.onErrorSubject;
/**
* @type {?}
* @private
*/
UploadItem.prototype._req;
/**
* @type {?}
* @private
*/
UploadItem.prototype._progress;
/**
* @type {?}
* @private
*/
UploadItem.prototype.url;
/**
* @type {?}
* @private
*/
UploadItem.prototype.method;
/**
* @type {?}
* @private
*/
UploadItem.prototype.file;
/**
* @type {?}
* @private
*/
UploadItem.prototype.fileAlias;
/**
* @type {?}
* @private
*/
UploadItem.prototype.additionalParams;
/**
* @type {?}
* @private
*/
UploadItem.prototype.ready;
/**
* @type {?}
* @private
*/
UploadItem.prototype.uploading;
/**
* @type {?}
* @private
*/
UploadItem.prototype.uploaded;
/**
* @type {?}
* @private
*/
UploadItem.prototype.cancelled;
/**
* @type {?}
* @private
*/
UploadItem.prototype.error;
/**
* @type {?}
* @private
*/
UploadItem.prototype.listener;
}
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{ HttpErrorResponse, HttpRequest } from '@angular/common/http';\n\nimport { Observable, Subject } from 'rxjs';\n\nimport { UploadListener, UploadItemOptions } from './models';\n\nexport class UploadItem {\n  readonly preview: Observable<string>;\n  readonly onResponse: Observable<any>;\n  readonly onProgress: Observable<number>;\n  readonly onError: Observable<HttpErrorResponse>;\n  private onResponseSubject: Subject<any>;\n  private onProgressSubject: Subject<number>;\n  private onErrorSubject: Subject<HttpErrorResponse>;\n  private _req: HttpRequest<FormData>;\n  private _progress: number;\n  private url: string;\n  private method: 'POST' | 'PUT' | 'PATCH';\n  private file: File;\n  private fileAlias: string;\n  private additionalParams: { [key: string]: any };\n  private ready: boolean;\n  private uploading: boolean;\n  private uploaded: boolean;\n  private cancelled: boolean;\n  private error: boolean;\n\n  constructor(private listener: UploadListener, options: UploadItemOptions) {\n    this.onResponseSubject = new Subject();\n    this.onProgressSubject = new Subject();\n    this.onErrorSubject = new Subject();\n    this.onResponse = this.onResponseSubject.asObservable();\n    this.onProgress = this.onProgressSubject.asObservable();\n    this.onError = this.onErrorSubject.asObservable();\n    this._progress = 0;\n    this.url = options.url;\n    this.method = options.method;\n    this.file = options.file;\n    this.fileAlias = options.fileAlias || 'file';\n    this.additionalParams = options.additionalParams;\n    this._req = this.buildRequest();\n    const fileCategory = this.file.type.split('/')[0];\n    if (fileCategory === 'image' || fileCategory === 'video') {\n      this.preview = this.readMediaFile();\n    }\n  }\n\n  get req(): HttpRequest<FormData> {\n    return this._req;\n  }\n\n  get progress(): number {\n    return this._progress;\n  }\n\n  get fileName(): string {\n    return this.file.name;\n  }\n\n  get isReady(): boolean {\n    return this.ready;\n  }\n\n  get isUploading(): boolean {\n    return this.uploading;\n  }\n\n  get isUploaded(): boolean {\n    return this.uploaded;\n  }\n\n  get isCancelled(): boolean {\n    return this.cancelled;\n  }\n\n  get isError(): boolean {\n    return this.error;\n  }\n\n  private buildFormData(): FormData {\n    const formData = new FormData();\n    if (this.additionalParams) {\n      Object.entries(this.additionalParams).forEach(([key, value]) =>\n        formData.set(key, value)\n      );\n    }\n    formData.set(this.fileAlias, this.file, this.file.name);\n    return formData;\n  }\n\n  private buildRequest(): HttpRequest<FormData> {\n    const body = this.buildFormData();\n    return new HttpRequest(this.method, this.url, body, {\n      reportProgress: true\n    });\n  }\n\n  private readMediaFile(): Observable<string> {\n    return new Observable(observer => {\n      const reader = new FileReader();\n      reader.onload = () => {\n        observer.next(reader.result as string);\n        observer.complete();\n      };\n      reader.onerror = () => {\n        reader.abort();\n        observer.error(reader.error);\n      };\n      reader.readAsDataURL(this.file);\n    });\n  }\n\n  cleanup(): void {\n    this.onResponseSubject.complete();\n    this.onProgressSubject.complete();\n    this.onErrorSubject.complete();\n  }\n\n  onBeforeUpload(): void {\n    this.ready = true;\n    this.uploading = false;\n    this.uploaded = false;\n    this.cancelled = false;\n    this.error = false;\n    this._progress = 0;\n  }\n\n  onUploadStart(): void {\n    this.ready = true;\n    this.uploading = true;\n    this.uploaded = false;\n    this.cancelled = false;\n    this.error = false;\n  }\n\n  onUploadSuccess(res): void {\n    this.ready = false;\n    this.uploading = false;\n    this.uploaded = true;\n    this.cancelled = false;\n    this.error = false;\n    this._progress = 100;\n    this.onResponseSubject.next(res);\n    this.cleanup();\n  }\n\n  onUploadProgress(progress: number): void {\n    this._progress = progress;\n    this.onProgressSubject.next(this._progress);\n  }\n\n  onUploadCancelled(): void {\n    this.ready = false;\n    this.uploading = false;\n    this.uploaded = false;\n    this.cancelled = true;\n    this.error = false;\n    this._progress = 0;\n  }\n\n  onUploadError(err: HttpErrorResponse): void {\n    this.ready = false;\n    this.uploading = false;\n    this.uploaded = false;\n    this.cancelled = false;\n    this.error = true;\n    this._progress = 0;\n    this.onErrorSubject.next(err);\n  }\n\n  upload(additionalParams?: { [key: string]: any }): void {\n    if (additionalParams) {\n      this.additionalParams = additionalParams;\n      this._req = this.buildRequest();\n    }\n    this.listener.uploadItem(this);\n  }\n\n  cancel(): void {\n    this.listener.cancelItem(this);\n  }\n\n  remove(): void {\n    this.listener.removeItem(this);\n  }\n}\n"]}