omit undefined values from cli

src/common/utils/object/object.mocha.ts

@@ -15,7 +15,7 @@
  */
 
 import { expect } from "chai";
-import { fromEntries, mapValues, omitFalsyValues } from "./object";
+import { fromEntries, mapValues, omitFalsyValues, pickValues } from "./object";
 
 describe("Object utils", () => {
   describe("omitFalsyValues", () => {
@@ -73,6 +73,43 @@ describe("Object utils", () => {
     });
   });
 
+  describe("pickValues", () => {
+
+    const greaterThan10 = (n: number) => n > 10;
+
+    it("should left only values that pass predicate", () => {
+      const input: any = {
+        a: 9,
+        b: 10,
+        c: 11
+      };
+
+      const expected = {
+        c: 11
+      };
+
+      expect(pickValues(input, greaterThan10)).to.be.deep.equal(expected);
+    });
+
+    it("should handle empty object", () => {
+      expect(pickValues({}, greaterThan10)).to.be.deep.equal({});
+    });
+
+    it("should not modify input object", () => {
+      const input: any = {
+        a: 9,
+        b: 10,
+        c: 11
+      };
+
+      const inputCopy = Object.assign({}, input);
+
+      pickValues(input, greaterThan10);
+
+      expect(input).to.deep.equal(inputCopy);
+    });
+  });
+
   describe("mapValues", () => {
     function addAndStringify(num: number): string {
       return String(num + 1);

src/common/utils/object/object.ts

@@ -15,7 +15,7 @@
  * limitations under the License.
  */
 
-import { assoc, Unary } from "../functional/functional";
+import { assoc, Predicate, Unary } from "../functional/functional";
 import { isTruthy } from "../general/general";
 
 export function extend(source: any, target: any): any {
@@ -27,12 +27,7 @@ export function extend(source: any, target: any): any {
 }
 
 export function omitFalsyValues<T>(obj: T): Partial<T> {
-  return Object.keys(obj).reduce<Partial<T>>((res, key: keyof T & string) => {
-    if (isTruthy(obj[key])) {
-      res[key] = obj[key];
-    }
-    return res;
-  }, {});
+  return pickValues(obj, isTruthy);
 }
 
 type Key = string;
@@ -44,6 +39,16 @@ export function mapValues<K extends Key, S, T>(obj: Record<K, S>, fn: Unary<S, T
   }, {} as Record<K, T>);
 }
 
+export function pickValues<T, K extends keyof T>(obj: T, predicate: Predicate<T[K]>): Partial<T> {
+  return (Object.keys(obj) as K[]).reduce((result: Partial<T>, key: K) => {
+    const value = obj[key];
+    if (predicate(value)) {
+      result[key] = value;
+    }
+    return result;
+  }, {} as Partial<T>);
+}
+
 export function fromEntries<K extends Key, T>(entries: Array<[K, T]>): Record<K, T> {
   return entries.reduce((result: Record<K, T>, [key, value]: [K, T]) =>
     assoc(result, key, value), {} as Record<K, T>);

src/server/cli/build-settings.ts

@@ -21,7 +21,9 @@ import { ClusterAuthJS } from "../../common/models/cluster-auth/cluster-auth";
 import { fromConfig as clusterFromConfig } from "../../common/models/cluster/cluster";
 import { fromConfig as dataCubeFromConfig } from "../../common/models/data-cube/data-cube";
 import { fromConfig as sourcesFromConfig, Sources, SourcesJS } from "../../common/models/sources/sources";
+import { complement } from "../../common/utils/functional/functional";
 import { isNil } from "../../common/utils/general/general";
+import { pickValues } from "../../common/utils/object/object";
 import { LoggerFormat, ServerSettings, ServerSettingsJS } from "../models/server-settings/server-settings";
 import { TurniloSettings } from "./run-turnilo";
 
@@ -45,10 +47,12 @@ function overrideClustersAuth(config: SourcesJS, auth: ClusterAuthJS): SourcesJS
 }
 
 export default function buildSettings(config: object, options: ServerOptions, auth?: ClusterAuthJS): TurniloSettings {
+  const definedOptions = pickValues(options, complement(isNil));
   const serverSettingsJS: ServerSettingsJS = {
     ...config,
-    ...options
+    ...definedOptions
   };
+
   const serverSettings = ServerSettings.fromJS(serverSettingsJS);
   const logger = getLogger(serverSettings.loggerFormat);
   const appSettings = appSettingsFromConfig(config, logger);