devextreme/dist/transpiled/data/proxy_url_formatter.js

HTML5 JavaScript Component Suite for Responsive Web Development

"use strict";

var each = require("../core/utils/iterator").each,
    domAdapter = require("../core/dom_adapter"),
    window = require("../core/utils/window").getWindow(),
    callOnce = require("../core/utils/call_once"),
    DXPROXY_HOST = "dxproxy.devexpress.com:8000",
    urlMapping = {};

var getUrlParser = callOnce(function () {
    var a = domAdapter.createElement("a"),
        props = ["protocol", "hostname", "port", "pathname", "search", "hash"];

    var normalizePath = function normalizePath(value) {
        // occurs at least in IE
        if (value.charAt(0) !== "/") {
            value = "/" + value;
        }
        return value;
    };

    return function (url) {
        a.href = url;
        var result = {};
        each(props, function () {
            result[this] = a[this];
        });
        result.pathname = normalizePath(result.pathname);
        return result;
    };
});

var parseUrl = function parseUrl(url) {
    var urlParser = getUrlParser();
    return urlParser(url);
};

var extractProxyAppId = function extractProxyAppId() {
    return window.location.pathname.split("/")[1];
};

module.exports = {
    parseUrl: parseUrl,

    isProxyUsed: function isProxyUsed() {
        return window.location.host === DXPROXY_HOST;
    },

    formatProxyUrl: function formatProxyUrl(localUrl) {
        var urlData = parseUrl(localUrl);
        if (!/^(localhost$|127\.)/i.test(urlData.hostname)) {
            return localUrl;
        }

        var proxyUrlPart = DXPROXY_HOST + "/" + extractProxyAppId() + "_" + urlData.port;
        urlMapping[proxyUrlPart] = urlData.hostname + ":" + urlData.port;

        var resultUrl = "http://" + proxyUrlPart + urlData.pathname + urlData.search;
        return resultUrl;
    },

    formatLocalUrl: function formatLocalUrl(proxyUrl) {
        if (proxyUrl.indexOf(DXPROXY_HOST) < 0) {
            return proxyUrl;
        }

        var resultUrl = proxyUrl;
        for (var proxyUrlPart in urlMapping) {
            if (urlMapping.hasOwnProperty(proxyUrlPart)) {
                if (proxyUrl.indexOf(proxyUrlPart) >= 0) {
                    resultUrl = proxyUrl.replace(proxyUrlPart, urlMapping[proxyUrlPart]);
                    break;
                }
            }
        }

        return resultUrl;
    }
};