File size: 1,277 Bytes
aa2e6af | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 | const URL = require('url').URL;
const path = require('path');
const imageExtensionRegex = /\.(jpg|jpeg|png|gif|bmp|tiff|svg|webp)$/i;
/**
* Extracts the image basename from a given URL.
*
* @param {string} urlString - The URL string from which the image basename is to be extracted.
* @returns {string} The basename of the image file from the URL.
* Returns an empty string if the URL does not contain a valid image basename.
*/
function getImageBasename(urlString) {
try {
const url = new URL(urlString);
const basename = path.basename(url.pathname);
return imageExtensionRegex.test(basename) ? basename : '';
} catch (error) {
// If URL parsing fails, return an empty string
return '';
}
}
/**
* Extracts the basename of a file from a given URL.
*
* @param {string} urlString - The URL string from which the file basename is to be extracted.
* @returns {string} The basename of the file from the URL.
* Returns an empty string if the URL parsing fails.
*/
function getFileBasename(urlString) {
try {
const url = new URL(urlString);
return path.basename(url.pathname);
} catch (error) {
// If URL parsing fails, return an empty string
return '';
}
}
module.exports = {
getImageBasename,
getFileBasename,
};
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