| 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; | |
| } | |