diff --git a/.github/workflows/prerelease.yaml b/.github/workflows/prerelease.yaml
index cbcdbc47..2f1ac19b 100644
--- a/.github/workflows/prerelease.yaml
+++ b/.github/workflows/prerelease.yaml
@@ -56,5 +56,5 @@ jobs:
         run: npm install --ws=@jazzer.js/fuzzer
       - name: build and upload prebuilds
         run: >
-          npm run prebuild --workspace=@jazzer.js/fuzzer -- ${{ matrix.opts }}
-          --upload ${{secrets.GITHUB_TOKEN}}
+          npm run build-native --workspace=@jazzer.js/fuzzer -- ${{ matrix.opts
+          }} --upload ${{secrets.GITHUB_TOKEN}}
diff --git a/end-to-end/package-jazzer-js.sh b/end-to-end/package-jazzer-js.sh
index 3994b9bc..a178ad10 100755
--- a/end-to-end/package-jazzer-js.sh
+++ b/end-to-end/package-jazzer-js.sh
@@ -1,9 +1,15 @@
-#!/bin/sh
+#!/usr/bin/env bash
+set -e
 
-cd ..
-npm install
-npm run build
-npm run build --workspace='@jazzer.js/fuzzer'
+main() {
+    cd ..
+    npm install
+    npm run build
+    npm run build --workspace='@jazzer.js/fuzzer'
+
+    local tarballs=$(npm pack --workspaces | grep ".tgz")
+    echo "$tarballs" | sed_version_and_mv 
+}
 
 sed_version_and_mv() {
     while read data; do
@@ -13,4 +19,4 @@ sed_version_and_mv() {
     done
 }
 
-npm pack --workspaces | sed_version_and_mv 
+main
\ No newline at end of file
diff --git a/packages/fuzzer/package.json b/packages/fuzzer/package.json
index fee685e6..f3d2dee8 100644
--- a/packages/fuzzer/package.json
+++ b/packages/fuzzer/package.json
@@ -16,9 +16,10 @@
 	"main": "dist/fuzzer.js",
 	"types": "dist/fuzzer.d.ts",
 	"scripts": {
-		"prebuild": "prebuild --runtime napi --backend cmake-js --all --strip --verbose",
-		"install": "prebuild-install --runtime napi || npm run prebuild",
-		"build": "cmake-js build --out build",
+		"build-native": "prebuild --runtime napi --backend cmake-js --all --strip --verbose",
+		"install": "prebuild-install --runtime napi || npm run build-native",
+		"build:dev": "cmake-js configure --out build --debug && cmake-js build",
+		"build": "cmake-js configure --out build && cmake-js build",
 		"format:fix": "clang-format -i *.cpp shared/*.cpp shared/*.h",
 		"lint": "find . -path ./build -prune -type f -o -iname '*.h' -o -iname '*.cpp' | xargs clang-tidy"
 	},