ts-pattern - npm Package Compare versions

Comparing version 0.1.0 to 0.1.1

package.json

 {
   "name": "ts-pattern",
-  "version": "0.1.0",
+  "version": "0.1.1",
   "description": "Typescript pattern matching library",
@@ -10,3 +10,5 @@ "main": "lib/index.js",
     "prepare": "npm run test && npm run clean && npm run build",
-    "test": "jest"
+    "test:values": "jest",
+    "test:types": "tsc --project tests/tsconfig.json",
+    "test": "npm run test:types && npm run test:values"
   },
@@ -13,0 +15,0 @@ "repository": {

tests/index.test.ts

@@ -382,2 +382,18 @@ import { match, __, Pattern } from '../src';
     });
+
+    it('should narrow down the value type based on type guard', () => {
+      let n = 20;
+      const res = match<number, boolean>(n)
+        .when(
+          (x): x is 13 => x === 13,
+          (x) => {
+            const inferenceCheck: 13 = x;
+            return true;
+          }
+        )
+        .otherwise(() => false)
+        .run();
+
+      const inferenceCheck: boolean = res;
+    });
   });
@@ -384,0 +400,0 @@

tests/tsconfig.json

 {
   "compilerOptions": {
-    "strict": true
-  }
+    "strict": true,
+    "downlevelIteration": true,
+    "noEmit": true
+  },
+  "exclude": ["src/"]
 }

New alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Fixed alerts

License Policy Violation

License

This package is not allowed per your license policy. Review the package's license to ensure compliance.

Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

32660

increased by1.83%

Lines of code

898

increased by1.93%

No dependency changes