read-excel-file/modules/types/URL.js

Read small to medium `*.xlsx` files in a browser or Node.js. Parse to JSON with a strict schema.

import InvalidError from './InvalidError.js';
export default function URL(value) {
  if (typeof value === 'string') {
    if (isURL(value)) {
      return value;
    }
    throw new InvalidError('not_a_url');
  }
  throw new InvalidError('not_a_string');
}

// URL regexp explanation:
//
// /^
//
// 	(?:
// 	  // Matches optional "http(s):" or "ftp:":
// 		(?:
// 			(?:https?|ftp):
// 		)?
//
// 	  // Matches "//" (required):
// 		\/\/
// 	)
//
// 	// Matches a valid non-local IP address:
// 	(?:
// 		(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])
// 		(?:
// 			\.
// 			(?:1?\d{1,2}|2[0-4]\d|25[0-5])
// 		){2}
// 		(?:
// 			\.
// 			(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4])
// 		)
//
// 	  // Or,
// 		|
//
// 	  // Matches an alpha-numeric domain name.
// 		(?:
// 			(?:
// 				[a-z0-9\u00a1-\uffff]
// 				[a-z0-9\u00a1-\uffff_-]{0,62}
// 			)?
// 			[a-z0-9\u00a1-\uffff]
// 			\.
// 		)*
// 		(?:
// 	    // Domain zone: "com", "net", etc (required):
// 			[a-z\u00a1-\uffff]{2,}
// 		)
// 	)
//
// 	// Matches a colon and a port number:
// 	(?::\d{2,5})?
//
// 	// Matches everything after the "origin":
// 	// * pathname
// 	// * query
// 	// * hash
// 	(?:[/?#]\S*)?
//
// $/i

var regexp = /^(?:(?:(?:https?|ftp):)?\/\/)(?:(?:[1-9]\d?|1\d\d|2[01]\d|22[0-3])(?:\.(?:1?\d{1,2}|2[0-4]\d|25[0-5])){2}(?:\.(?:[1-9]\d?|1\d\d|2[0-4]\d|25[0-4]))|(?:(?:[a-z0-9\u00a1-\uffff][a-z0-9\u00a1-\uffff_-]{0,62})?[a-z0-9\u00a1-\uffff]\.)*(?:[a-z\u00a1-\uffff]{2,}))(?::\d{2,5})?(?:[/?#]\S*)?$/i;

// https://stackoverflow.com/questions/8667070/javascript-regular-expression-to-validate-url
export function isURL(value) {
  return regexp.test(value);
}
//# sourceMappingURL=URL.js.map