lepu-test-platform-web/node_modules/http-proxy-middleware/lib/router.js

52 lines
1.0 KiB
JavaScript

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
}