package.build.esm.url.js Maven / Gradle / Ivy
import { parse } from "engine.io-client";
/**
* URL parser.
*
* @param uri - url
* @param path - the request path of the connection
* @param loc - An object meant to mimic window.location.
* Defaults to window.location.
* @public
*/
export function url(uri, path = "", loc) {
let obj = uri;
// default to window.location
loc = loc || (typeof location !== "undefined" && location);
if (null == uri)
uri = loc.protocol + "//" + loc.host;
// relative path support
if (typeof uri === "string") {
if ("/" === uri.charAt(0)) {
if ("/" === uri.charAt(1)) {
uri = loc.protocol + uri;
}
else {
uri = loc.host + uri;
}
}
if (!/^(https?|wss?):\/\//.test(uri)) {
if ("undefined" !== typeof loc) {
uri = loc.protocol + "//" + uri;
}
else {
uri = "https://" + uri;
}
}
// parse
obj = parse(uri);
}
// make sure we treat `localhost:80` and `localhost` equally
if (!obj.port) {
if (/^(http|ws)$/.test(obj.protocol)) {
obj.port = "80";
}
else if (/^(http|ws)s$/.test(obj.protocol)) {
obj.port = "443";
}
}
obj.path = obj.path || "/";
const ipv6 = obj.host.indexOf(":") !== -1;
const host = ipv6 ? "[" + obj.host + "]" : obj.host;
// define unique id
obj.id = obj.protocol + "://" + host + ":" + obj.port + path;
// define href
obj.href =
obj.protocol +
"://" +
host +
(loc && loc.port === obj.port ? "" : ":" + obj.port);
return obj;
}