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