`Angular Image Upload: A Comprehensive Guide`

I'm currently facing a challenge while attempting to upload an image using Angular to a Google storage bucket. Interestingly, everything works perfectly with Postman, but I've hit a roadblock with Angular Typescript. Does anyone have any suggestions on how I can tackle this issue?

.html file

 <input type="file" accept="image/png, image/jpeg" class="form-control upload-btn" formControlName="imageUpload" placeholder="Upload Images" (change)="uploadImage($event)"  required>

.ts file

 uploadImage(event: any) {
if (event.target.files && event.target.files[0]) {
  const uploadImage=event.target.files[0];

  const fileObject = {
    userId: this.userId,
    bucketName: 'Test123',
    image: uploadImage
  };

  this.userService.uploadImage(fileObject).subscribe(data=>{
  },err=>{
    console.log("error occured")
  }
  )
}

}

.service file

uploadImage(fileObject: any){
return this.http.post('http://localhost:1337' + 'upload-image' , fileObject);

}

The backend appears to be error-free and functions correctly with Postman, however, my concerns lie with the .ts file.

Answer №1

Following @PrasenjeetSymon's advice, utilizing FormData can simplify the process of uploading images in Angular.

You can refer to this related post for a demonstration on how to effectively use FormData.

To begin, you can include the file input tag in your HTML:

<input type="file" name="file" id="file" (change)="onFileChanged($event)" />

In your component, you can implement the following:

public files: any[];

contructor() { this.files = []; }

onFileChanged(event: any) {
  this.files = event.target.files;
}

onUpload() {
  const formData = new FormData();
  for (const file of this.files) {
      formData.append(name, file, file.name);
  }
  this.http.post('url', formData).subscribe(x => ....);
}

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