vue-dropzone fails to create thumbnails when a file is added

I am facing an issue where I want to upload files that are already stored on my server to the Dropzone. Despite searching extensively through both vue-dropzone and regular dropzone documentation, as well as various GitHub issues for solutions, I have not been able to find a fix.

My attempted solution involves calling this method:

this.product.images.forEach(image => {
  const file = { name: 'Icon', type: 'image/jpeg', dataURL: image };
  this.$refs.dropzone.manuallyAddFile(file, image);
});

Although the files do get added successfully, no thumbnails are being generated at all, which is essentially the core of the problem.

javascriptvue.jsdropzone.js

Answer №1

To include a thumbnail manually using the emit method, follow these steps:

this.product.images.forEach(image => {
      const file = { name: 'Thumbnail', type: 'image/jpeg', dataURL: image };
      this.$refs.dropzone.manuallyAddFile(file, image);
      this.$refs.dropzone.dropzone.emit('thumbnail', file, file.dataURL)
      this.$refs.dropzone.dropzone.emit('complete', file)
    });

If your reference is named dropzone, make sure to access it like this.$refs.dropzone.dropzone.

Don't forget to execute your method using @vdropzone-mounted="loadImages".

Best of luck!

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