all files / http-proxy-middleware/lib/ router.js

100% Statements 29/29
100% Branches 10/10
100% Functions 4/4
100% Lines 29/29
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var _      = require('lodash');
var logger = require('./logger.js').getInstance();
 
module.exports = {
    getTarget: getTarget
};
 
function getTarget(req, config) {
    var newTarget;
    var router = config.router;
 
    if (_.isPlainObject(router)) {
        newTarget = getTargetFromProxyTable(req, router);
    } else if (_.isFunction(router)) {
        newTarget = router(req);
    }
 
    return newTarget;
}
 
function getTargetFromProxyTable(req, table) {
    var result;
    var host = req.headers.host;
    var path = req.url;
 
    var hostAndPath = host + path;
 
    _.forIn(table, function(value, key) {
        if (containsPath(key)) {
 
            if (hostAndPath.indexOf(key) > -1) {    // match 'localhost:3000/api'
                result = table[key];
                logger.debug('[HPM] Router table match: "%s"', key);
                return false;
            }
        } else {
 
            if (key === host) {                     // match 'localhost:3000'
                result = table[key];
                logger.debug('[HPM] Router table match: "%s"', host);
                return false;
            }
 
        }
 
    });
 
    return result;
}
 
function containsPath(v) {
    return v.indexOf('/') > -1;
}