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| 'use strict';
| module.exports = (url, opts) => {
| if (typeof url !== 'string') {
| throw new TypeError(`Expected \`url\` to be of type \`string\`, got \`${typeof url}\``);
| }
|
| url = url.trim();
| opts = Object.assign({https: false}, opts);
|
| if (/^\.*\/|^(?!localhost)\w+:/.test(url)) {
| return url;
| }
|
| return url.replace(/^(?!(?:\w+:)?\/\/)/, opts.https ? 'https://' : 'http://');
| };
|
|
