TypeScript: add definition tests

index.test-d.ts

@@ -0,0 +1,30 @@
+import farmhash from '.';
+
+const testString: string = 'test';
+const testBuffer: Buffer = Buffer.from(testString);
+const testSeed1: number = 1;
+const testSeed2: number = 2;
+
+const f32s: number = farmhash.fingerprint32(testString);
+const f32b: number = farmhash.fingerprint32(testBuffer);
+
+const f64s: bigint = farmhash.fingerprint64(testString);
+const f64b: bigint = farmhash.fingerprint64(testBuffer);
+
+const f64ss: bigint = farmhash.fingerprint64signed(testString);
+const f64sb: bigint = farmhash.fingerprint64signed(testBuffer);
+
+const h32s: number = farmhash.hash32(testString);
+const h32b: number = farmhash.hash32(testBuffer);
+
+const h32ss: number = farmhash.hash32WithSeed(testString, testSeed1);
+const h32sb: number = farmhash.hash32WithSeed(testBuffer, testSeed1);
+
+const h64s: bigint = farmhash.hash64(testString);
+const h64b: bigint = farmhash.hash64(testBuffer);
+
+const h64ss: bigint = farmhash.hash64WithSeed(testString, testSeed1);
+const h64sb: bigint = farmhash.hash64WithSeed(testBuffer, testSeed1);
+
+const h64sss: bigint = farmhash.hash64WithSeeds(testString, testSeed1, testSeed2);
+const h64ssb: bigint = farmhash.hash64WithSeeds(testBuffer, testSeed1, testSeed2);

package.json

@@ -9,7 +9,7 @@
   "description": "Node.js implementation of FarmHash, Google's family of very fast hash functions",
   "scripts": {
     "install": "prebuild-install || node-gyp rebuild",
-    "test": "semistandard && cpplint && node test/unit"
+    "test": "semistandard && cpplint && node test/unit && tsd"
   },
   "main": "index.js",
   "files": [
@@ -33,10 +33,12 @@
     "prebuild-install": "^7.1.2"
   },
   "devDependencies": {
+    "@types/node": "*",
     "cc": "^3.0.1",
     "node-gyp": "^10.2.0",
     "prebuild": "^13.0.1",
-    "semistandard": "^17.0.0"
+    "semistandard": "^17.0.0",
+    "tsd": "^0.31.2"
   },
   "license": "Apache-2.0",
   "engines": {