How to Retrieve Image Width and Height Using Node | Tech Wiki Online

How to Retrieve Image Width and Height Using Node

When working with images in Node, there may be occasions where you need to retrieve the width and height of an image. Whether the image is stored locally on your file system or sourced from the internet, you can easily obtain this information by following these steps:

1. Identify the Image Location:
   To retrieve the dimensions of an image, you first need to determine its location on your file system. If the image is sourced from the internet, you can save it to a temporary folder on your system.

2. Install the image-size NPM module:
   To facilitate the retrieval of image dimensions, you will need to install the image-size module from the NPM registry. You can do this by running the following command in your terminal:

   npm install image-size

3. Import the image-size module:
   After installing the image-size module, you will need to import it into your project. This can be done using an import statement:

   import sizeOf from 'image-size';

4. Retrieve the Image Dimensions:
   Once you have imported the image-size module, you can utilize its functionality to retrieve the width and height of an image. To do this, provide the location of the image file to the sizeOf function and extract the height and width properties from the returned object. Here’s an example code snippet:

   const { height, width } = sizeOf(fileLocation);

By following these steps, you will be able to easily retrieve image dimensions using Node. Whether you are working with locally stored images or images from the internet, the image-size module provides a simple and convenient way to obtain this information.

tags: [“Node.js”, “image size”, “image dimensions”, “npm module”]