@knovator/image-resizer
v0.1.0
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About The Project
@knovator/image-resizer
is an express middleware that generates images of size and format passed in URL usingsharp
package.@knovator/image-resizer
takes input ofpublic
folder path and when it receives a request it checks if the requested image exists in thepublic
folder. If it doesn't, it generates the image in resolution folder and serves it.- resolution is passed in the URL as
width
andheight
parameters. For example, in/images/1200x850/image.jpg
URL1200
is width and850
is height. It accepts resolution from 2 digits to 6 digits.. - Image generation done in following setps:
- Check if the image exists in the
public
folder by removing resolution. For example/images/800x800/image.jpg
will be checked in/images/image.(jpg|png|webp|jpeg)
.
- If the image doesn't exist, it generates the image in specified resolution folder.
- Check if the image exists in the
- It also generates images of different format in resolution folder if the image of that format is not exists.
- For example
/images/800x800/image.jpg
image request will be generated as/images/800x800/image.jpg
by taking/images/image.(jpg|png|webp|jpeg)
as input.
- For example
Built With
Getting Started
@knovator/image-resizer
is built as an express middleware, so NodeJS application setup with expressjs is required to start.
Installation
- Install the package
npm i @knovator/image-resizer # or yarn add @knovator/image-resizer
Usage
- Usage of
@knovator/image-resizer
is simple. It takes input of public folder path similar toexpress.static
middleware.For example,const { resize } = require('@knovator/image-resizer'); app.use(resize(__dirname + '/public'));
@knovator/image-resizer
considersjpg
,png
,webp
andjpeg
image formats. if you want to use other formats, you can pass it in theextensions
parameter. For example,const { resize } = require('@knovator/image-resizer'); app.use(resize(__dirname + '/public', { extensions: ['.png', '.jpg', '.jpeg', '.webp'] }));
Roadmap
- [ ] Support for image hosted in s3 bucket.
See the open issues for a full list of proposed features (and known issues).
Contributing
Contributions are what make the open source community such an amazing place to learn, inspire, and create. Any contributions you make are greatly appreciated.
If you have a suggestion that would make this better, please fork the repo and create a pull request. You can also simply open an issue with the tag "enhancement". Don't forget to give the project a star! Thanks again!
- Fork the Project
- Create your Feature Branch (
git checkout -b feature/AmazingFeature
) - Commit your Changes (
git commit -m 'Add some AmazingFeature'
) - Push to the Branch (
git push origin feature/AmazingFeature
) - Open a Pull Request
License
Distributed under the MIT License. See LICENSE.txt
for more information.
Contact
Knovator Technologies
- Twitter @knovator
- Web https://knovator.com/