vue hello world项目
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/**
* @param {{ protocol?: string, auth?: string, hostname?: string, port?: string, pathname?: string, search?: string, hash?: string, slashes?: boolean }} objURL
* @returns {string}
*/
function format(objURL) {
var protocol = objURL.protocol || "";
if (protocol && protocol.substr(-1) !== ":") {
protocol += ":";
}
var auth = objURL.auth || "";
if (auth) {
auth = encodeURIComponent(auth);
auth = auth.replace(/%3A/i, ":");
auth += "@";
}
var host = "";
if (objURL.hostname) {
host = auth + (objURL.hostname.indexOf(":") === -1 ? objURL.hostname : "[".concat(objURL.hostname, "]"));
if (objURL.port) {
host += ":".concat(objURL.port);
}
}
var pathname = objURL.pathname || "";
if (objURL.slashes) {
host = "//".concat(host || "");
if (pathname && pathname.charAt(0) !== "/") {
pathname = "/".concat(pathname);
}
} else if (!host) {
host = "";
}
var search = objURL.search || "";
if (search && search.charAt(0) !== "?") {
search = "?".concat(search);
}
var hash = objURL.hash || "";
if (hash && hash.charAt(0) !== "#") {
hash = "#".concat(hash);
}
pathname = pathname.replace(/[?#]/g,
/**
* @param {string} match
* @returns {string}
*/
function (match) {
return encodeURIComponent(match);
});
search = search.replace("#", "%23");
return "".concat(protocol).concat(host).concat(pathname).concat(search).concat(hash);
}
/**
* @param {URL & { fromCurrentScript?: boolean }} parsedURL
* @returns {string}
*/
function createSocketURL(parsedURL) {
var hostname = parsedURL.hostname; // Node.js module parses it as `::`
// `new URL(urlString, [baseURLString])` parses it as '[::]'
var isInAddrAny = hostname === "0.0.0.0" || hostname === "::" || hostname === "[::]"; // why do we need this check?
// hostname n/a for file protocol (example, when using electron, ionic)
// see: https://github.com/webpack/webpack-dev-server/pull/384
if (isInAddrAny && self.location.hostname && self.location.protocol.indexOf("http") === 0) {
hostname = self.location.hostname;
}
var socketURLProtocol = parsedURL.protocol || self.location.protocol; // When https is used in the app, secure web sockets are always necessary because the browser doesn't accept non-secure web sockets.
if (socketURLProtocol === "auto:" || hostname && isInAddrAny && self.location.protocol === "https:") {
socketURLProtocol = self.location.protocol;
}
socketURLProtocol = socketURLProtocol.replace(/^(?:http|.+-extension|file)/i, "ws");
var socketURLAuth = ""; // `new URL(urlString, [baseURLstring])` doesn't have `auth` property
// Parse authentication credentials in case we need them
if (parsedURL.username) {
socketURLAuth = parsedURL.username; // Since HTTP basic authentication does not allow empty username,
// we only include password if the username is not empty.
if (parsedURL.password) {
// Result: <username>:<password>
socketURLAuth = socketURLAuth.concat(":", parsedURL.password);
}
} // In case the host is a raw IPv6 address, it can be enclosed in
// the brackets as the brackets are needed in the final URL string.
// Need to remove those as url.format blindly adds its own set of brackets
// if the host string contains colons. That would lead to non-working
// double brackets (e.g. [[::]]) host
//
// All of these web socket url params are optionally passed in through resourceQuery,
// so we need to fall back to the default if they are not provided
var socketURLHostname = (hostname || self.location.hostname || "localhost").replace(/^\[(.*)\]$/, "$1");
var socketURLPort = parsedURL.port;
if (!socketURLPort || socketURLPort === "0") {
socketURLPort = self.location.port;
} // If path is provided it'll be passed in via the resourceQuery as a
// query param so it has to be parsed out of the querystring in order for the
// client to open the socket to the correct location.
var socketURLPathname = "/ws";
if (parsedURL.pathname && !parsedURL.fromCurrentScript) {
socketURLPathname = parsedURL.pathname;
}
return format({
protocol: socketURLProtocol,
auth: socketURLAuth,
hostname: socketURLHostname,
port: socketURLPort,
pathname: socketURLPathname,
slashes: true
});
}
export default createSocketURL;