diff --git a/deno.jsonc b/deno.jsonc
index 95efee8..dc07ec7 100644
--- a/deno.jsonc
+++ b/deno.jsonc
@@ -7,7 +7,12 @@
     "coverage": "deno test --allow-read=./ --parallel --shuffle --coverage && deno coverage --html",
     "doc": "deno doc --html rest.ts userscript.ts websocket.ts",
     "npm:build": "deno run -A scripts/build_npm.ts",
-    "npm:check": "cd npm && npm publish --provenance --access=public --dry-run"
+    "npm:check": {
+      "command": "cd npm && npm publish --provenance --access=public --dry-run",
+      "dependencies": [
+        "npm:build"
+      ]
+    }
   },
   "imports": {
     "@std/testing/types": "jsr:@std/testing@0/types",
diff --git a/scripts/build_npm.ts b/scripts/build_npm.ts
index 0316dbb..ce95941 100644
--- a/scripts/build_npm.ts
+++ b/scripts/build_npm.ts
@@ -1,3 +1,4 @@
+/// <reference lib="deno.ns" />
 import { build, emptyDir } from "@deno/dnt";
 
 await emptyDir("./npm");
@@ -47,8 +48,7 @@ await build({
   },
   // Don't run type checking during build to avoid Node.js compatibility issues
   typeCheck: false,
-  declaration: "separate",
-  scriptModule: false,
+  declaration: "inline",
   compilerOptions: {
     lib: ["ESNext", "DOM", "DOM.Iterable"],
     target: "ES2023",