parcel-bundler/lib/utils/is-url.js

Blazing fast, zero configuration web application bundler

'use strict';

const isURL = require('is-url');

// Matches anchor (ie: #raptors)
const ANCHOR_REGEXP = /^#/;

// Matches scheme (ie: tel:, mailto:, data:, itms-apps:)
const SCHEME_REGEXP = /^[a-z][a-z0-9\-+.]*:/i;

module.exports = function (url) {
  return isURL(url) || ANCHOR_REGEXP.test(url) || SCHEME_REGEXP.test(url);
};