test ksCombineLatest

.devcontainer/devcontainer.json

@@ -3,7 +3,10 @@
   "image": "mcr.microsoft.com/devcontainers/javascript-node:20",
   "customizations": {
     "vscode": {
-      "extensions": ["esbenp.prettier-vscode"]
+      "extensions": [
+        "esbenp.prettier-vscode",
+        "Orta.vscode-jest"
+      ]
     }
   }
 }

.prettierrc.json

@@ -0,0 +1,7 @@
+{
+  "arrowParens": "avoid",
+  "jsxSingleQuote": true,
+  "singleQuote": true,
+  "trailingComma": "all",
+  "endOfLine": "auto"
+}

jest.config.json

@@ -0,0 +1,12 @@
+{
+  "preset": "ts-jest",
+  "testEnvironment": "node",
+  "transform": {
+    "^.+\\.ts?$": [
+      "ts-jest",
+      {
+        "tsconfig": "tsconfig.json"
+      }
+    ]
+  }
+}

package.json

@@ -47,24 +47,5 @@
     "rxjs": "^7.8.1",
     "ts-jest": "^29.1.2",
     "typescript": "^5.3.3"
-  },
-  "prettier": {
-    "arrowParens": "avoid",
-    "jsxSingleQuote": true,
-    "singleQuote": true,
-    "trailingComma": "all",
-    "endOfLine": "auto"
-  },
-  "jest": {
-    "preset": "ts-jest",
-    "testEnvironment": "node",
-    "transform": {
-      "^.+\\.ts?$": [
-        "ts-jest",
-        {
-          "tsconfig": "tsconfig.json"
-        }
-      ]
-    }
   }
 }

tests/ ksCombineLatest.test.ts

@@ -0,0 +1,7 @@
+import { ksCombineLatest, ksNever } from '../src';
+
+describe('ksCombineLatest', () => {
+  it('should return ksNever for empty inputs', () => {
+    expect(ksCombineLatest([])).toBe(ksNever);
+  });
+});