source: imaps-frontend/node_modules/relateurl/lib/format.js

"use strict";

var constants = require("./constants");



function formatAuth(urlObj, options)
{
        if (urlObj.auth && !options.removeAuth && (urlObj.extra.relation.maximumHost || options.output===constants.ABSOLUTE))
        {
                return urlObj.auth + "@";
        }
        
        return "";
}



function formatHash(urlObj, options)
{
        return urlObj.hash ? urlObj.hash : "";
}



function formatHost(urlObj, options)
{
        if (urlObj.host.full && (urlObj.extra.relation.maximumAuth || options.output===constants.ABSOLUTE))
        {
                return urlObj.host.full;
        }
        
        return "";
}



function formatPath(urlObj, options)
{
        var str = "";
        
        var absolutePath = urlObj.path.absolute.string;
        var relativePath = urlObj.path.relative.string;
        var resource = showResource(urlObj, options);
        
        if (urlObj.extra.relation.maximumHost || options.output===constants.ABSOLUTE || options.output===constants.ROOT_RELATIVE)
        {
                str = absolutePath;
        }
        else if (relativePath.length<=absolutePath.length && options.output===constants.SHORTEST || options.output===constants.PATH_RELATIVE)
        {
                str = relativePath;
                
                if (str === "")
                {
                        var query = showQuery(urlObj,options) && !!getQuery(urlObj,options);
                        
                        if (urlObj.extra.relation.maximumPath && !resource)
                        {
                                str = "./";
                        }
                        else if (urlObj.extra.relation.overridesQuery && !resource && !query)
                        {
                                str = "./";
                        }
                }
        }
        else
        {
                str = absolutePath;
        }
        
        if ( str==="/" && !resource && options.removeRootTrailingSlash && (!urlObj.extra.relation.minimumPort || options.output===constants.ABSOLUTE) )
        {
                str = "";
        }
        
        return str;
}



function formatPort(urlObj, options)
{
        if (urlObj.port && !urlObj.extra.portIsDefault && urlObj.extra.relation.maximumHost)
        {
                return ":" + urlObj.port;
        }
        
        return "";
}



function formatQuery(urlObj, options)
{
        return showQuery(urlObj,options) ? getQuery(urlObj, options) : "";
}



function formatResource(urlObj, options)
{
        return showResource(urlObj,options) ? urlObj.resource : "";
}



function formatScheme(urlObj, options)
{
        var str = "";
        
        if (urlObj.extra.relation.maximumHost || options.output===constants.ABSOLUTE)
        {
                if (!urlObj.extra.relation.minimumScheme || !options.schemeRelative || options.output===constants.ABSOLUTE)
                {
                        str += urlObj.scheme + "://";
                }
                else
                {
                        str += "//";
                }
        }
        
        return str;
}



function formatUrl(urlObj, options)
{
        var url = "";
        
        url += formatScheme(urlObj, options);
        url += formatAuth(urlObj, options);
        url += formatHost(urlObj, options);
        url += formatPort(urlObj, options);
        url += formatPath(urlObj, options);
        url += formatResource(urlObj, options);
        url += formatQuery(urlObj, options);
        url += formatHash(urlObj, options);
        
        return url;
}



function getQuery(urlObj, options)
{
        var stripQuery = options.removeEmptyQueries && urlObj.extra.relation.minimumPort;
        
        return urlObj.query.string[ stripQuery ? "stripped" : "full" ];
}



function showQuery(urlObj, options)
{
        return !urlObj.extra.relation.minimumQuery || options.output===constants.ABSOLUTE || options.output===constants.ROOT_RELATIVE;
}



function showResource(urlObj, options)
{
        var removeIndex = options.removeDirectoryIndexes && urlObj.extra.resourceIsIndex;
        var removeMatchingResource = urlObj.extra.relation.minimumResource && options.output!==constants.ABSOLUTE && options.output!==constants.ROOT_RELATIVE;
        
        return !!urlObj.resource && !removeMatchingResource && !removeIndex;
}



module.exports = formatUrl;