Get rid of lots of unnecessary lodash calls.

server/resources/nodeResource.ts

@@ -1,5 +1,3 @@
-import _ from "lodash";
-
 import Constraints from "../validation/constraints";
 import ErrorTypes from "../utils/errorTypes";
 import * as MonitoringService from "../services/monitoringService";
@@ -13,12 +11,12 @@ import {
     CreateOrUpdateNode,
     DomainSpecificNodeResponse,
     isNodeSortField,
-    isToken, JSONObject,
+    isToken,
+    JSONObject,
     MAC,
     NodeResponse,
     NodeStateData,
     NodeTokenResponse,
-    StoredNode,
     toDomainSpecificNodeResponse,
     Token,
     toNodeResponse,
@@ -27,15 +25,18 @@ import {
 
 const nodeFields = ['hostname', 'key', 'email', 'nickname', 'mac', 'coords', 'monitoring'];
 
+// TODO: Rename
 function getNormalizedNodeData(reqData: any): CreateOrUpdateNode {
     const node: { [key: string]: any } = {};
-    _.each(nodeFields, function (field) {
+    for (const field of nodeFields) {
         let value = normalizeString(reqData[field]);
         if (field === 'mac') {
             value = normalizeMac(value as MAC);
         }
         node[field] = value;
-    });
+    }
+
+    // TODO: Add typeguard before cast.
     return node as CreateOrUpdateNode;
 }
 
@@ -90,15 +91,15 @@ async function doGetAll(req: Request): Promise<{ total: number; pageNodes: any }
 
     const nodes = await NodeService.getAllNodes();
 
-    const realNodes = _.filter(nodes, node =>
+    const realNodes = nodes.filter(node =>
         // We ignore nodes without tokens as those are only manually added ones like gateways.
-        !!node.token
+        !!node.token // FIXME: As node.token may not be undefined or null here, handle this when loading!
     );
 
-    const macs: MAC[] = _.map(realNodes, (node: StoredNode): MAC => node.mac);
+    const macs: MAC[] = realNodes.map(node => node.mac);
     const nodeStateByMac = await MonitoringService.getByMacs(macs);
 
-    const domainSpecificNodes: DomainSpecificNodeResponse[] = _.map(realNodes, (node: StoredNode): DomainSpecificNodeResponse => {
+    const domainSpecificNodes: DomainSpecificNodeResponse[] = realNodes.map(node => {
         const nodeState: NodeStateData = nodeStateByMac[node.mac] || {};
         return toDomainSpecificNodeResponse(node, nodeState);
     });