Initial commit

nova-components/NovaLeader/node_modules/http-proxy-middleware/lib/router.js

@@ -0,0 +1,51 @@
+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
+}