Return the natural dimensions of an image.

getNaturalDimensions.js

/**
 * Return the natural dimensions of an image.
 * @string img - The image to get the dimensions of.
 * @return {object} - The natural width of the image.
 * @return {null} - If the image has no natural dimensions.
 */

 function getNaturalDimensions({ naturalWidth, naturalHeight }) {
    // get the image format from the src attribute.
    let width = naturalWidth;
    let height = naturalHeight;

    if (width && height) {
        // return the natural width and height of the image.
        return { width, height };
    } else {
        // return null if the image has no natural dimensions.
        return { width: null, height: null };
    }
}