diff --git a/.gitignore b/.gitignore
index 699f234..21a232f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,6 @@
+.nyc_output
 doc/
 node_modules/
 coverage/
 test/browser/pako.js
-v8.log
+*.log
diff --git a/package.json b/package.json
index d1c36ab..2efe2d0 100644
--- a/package.json
+++ b/package.json
@@ -25,16 +25,18 @@
   "license": "(MIT AND Zlib)",
   "repository": "nodeca/pako",
   "scripts": {
-    "test": "make test"
+    "lint": "eslint .",
+    "test": "npm run lint && mocha",
+    "coverage": "npm run lint && nyc mocha && nyc report --reporter html"
   },
   "devDependencies": {
     "browserify": "^16.2.3",
     "buffer-from": "^1.1.1",
     "eslint": "^7.13.0",
-    "istanbul": "^0.4.5",
     "mocha": "^8.2.1",
     "multiparty": "^4.1.3",
     "ndoc": "^5.0.1",
+    "nyc": "^15.1.0",
     "uglify-js": "=3.4.8"
   },
   "dependencies": {}