Strapi plugin strapi-blurhash

A plugin for Strapi CMS that generates blurhash for your uploaded images

Installation

To install, run:

npm install strapi-blurhash

Open/create file config/plugins.js. Enable this plugin by adding:

module.exports = {
    ...
    'strapi-blurhash': {
      enabled: true,
      config: {
        regenerateOnUpdate: true,
        forceRegenerateOnUpdate: false,
      }
    },
  }

How to generate blurhash for an image

In the Strapi Dashboard open Content Manager. Edit one collection/single type. Add or edit a Media field type and save the collection/single type.

How to get blurhash

Target a Strapi REST API endpoint. For example:

localhost:1337/api/products?populate=Image.*

The response will be a JSON containing blurhash along with rest of the image data:

{
  "data": [
    {
      "id": 6,
      "attributes": {
        "name": "Test",
        "createdAt": "2022-10-27T14:52:04.393Z",
        "updatedAt": "2022-10-28T09:58:22.238Z",
        "Image": {
          "data": {
            "id": 80,
            "attributes": {
              "name": "image.png",
              "alternativeText": "image.png",
              "caption": "image.png",
              "width": 960,
              "height": 168,
              "formats": {
                ...
              },
              "hash": "image_ed1fbcdba0",
              "ext": ".png",
              "mime": "image/png",
              "size": 4.63,
              "url": "/uploads/image_ed1fbcdba0.png",
              "previewUrl": null,
              "provider": "local",
              "provider_metadata": null,
              "createdAt": "2022-10-28T09:42:02.471Z",
              "updatedAt": "2022-10-28T09:42:02.471Z",
              "blurhash": "U{Nd,T?bof?u_Nxuj[x[objZayoe_Mxuj[x["
            }
          }
        }
      }
    }
  ],
  "meta": {
    "pagination": {
      "page": 1,
      "pageSize": 25,
      "pageCount": 1,
      "total": 1
    }
  }
}

Regenerating Existing Content

If you've recently installed this plugin and already have existing media content, you can easily update the blurhash for these items. Use the Regenerator plugin to efficiently handle this task:

• Regenerator Plugin

This additional plugin can automate the process.

Changelog

All notable changes to this project will be documented in this section.

[1.2.1]

Changed

• now using sharp instead of canvas due to issues with .webp images.

[1.2.2]

Added

• forceRegenerateOnUpdate configuration option to force the regeneration of blurhash on every update, regardless of the existing blurhash.

[1.2.3]

Fixed

• fixed a bug with the image url

[1.2.4]

Fixed

• fixed a bug with the image url var

[1.2.5]

Changed

• updated the readme file