diff --git a/build_releases.js b/build_releases.js
new file mode 100755
index 000000000..c118d2484
--- /dev/null
+++ b/build_releases.js
@@ -0,0 +1,51 @@
+const pkg = require('./package.json');
+const fs = require('fs');
+const path = require('path');
+const { execSync } = require('child_process');
+
+const rmDir = function(dirPath) {
+  if(fs.existsSync(dirPath)) {
+    const files = fs.readdirSync(dirPath);
+    files.forEach(function(file) {
+      const curPath = path.join(dirPath, file);
+      if(fs.lstatSync(curPath).isDirectory()) { 
+        rmDir(curPath);
+      } else {
+        fs.unlinkSync(curPath);
+      }
+    });
+    fs.rmdirSync(dirPath);
+  }
+};
+
+const exec = function(cmd) {
+  execSync(cmd, { stdio: 'inherit' });
+};
+
+console.log(`Building JavaScript SDK v${pkg.version}...\n`)
+
+console.log('Cleaning up old builds...\n');
+
+rmDir(path.join(__dirname, 'dist'));
+rmDir(path.join(__dirname, 'lib'));
+
+const crossEnv = 'npm run cross-env';
+const gulp = 'npm run gulp';
+
+console.log('Browser Release:');
+exec(`${crossEnv} PARSE_BUILD=browser ${gulp} compile`);
+
+console.log('Weapp Release:');
+exec(`${crossEnv} PARSE_BUILD=weapp ${gulp} compile`);
+
+console.log('Node.js Release:');
+exec(`${crossEnv} PARSE_BUILD=node ${gulp} compile`);
+
+console.log('React Native Release:');
+exec(`${crossEnv} PARSE_BUILD=react-native ${gulp} compile`);
+
+console.log('Bundling and minifying for CDN distribution:');
+exec(`${gulp} browserify`);
+exec(`${gulp} browserify-weapp`);
+exec(`${gulp} minify`);
+exec(`${gulp} minify-weapp`);
diff --git a/build_releases.sh b/build_releases.sh
deleted file mode 100755
index d82dbfe20..000000000
--- a/build_releases.sh
+++ /dev/null
@@ -1,21 +0,0 @@
-#!/bin/sh
-
-SDK_VERSION=$(cat package.json | sed -n -e '/version/ s/.*: *"\([^"]*\).*/\1/p')
-echo "Building JavaScript SDK v$SDK_VERSION...\n"
-
-echo "Cleaning up old builds...\n"
-rm -rf dist lib
-
-echo "Browser Release:"
-PARSE_BUILD=browser gulp compile
-echo "Weapp Release:"
-PARSE_BUILD=weapp gulp compile
-echo "Node.js Release:"
-PARSE_BUILD=node gulp compile
-echo "React Native Release:"
-PARSE_BUILD=react-native gulp compile
-echo "Bundling and minifying for CDN distribution:"
-gulp browserify
-gulp browserify-weapp
-gulp minify
-gulp minify-weapp
diff --git a/package.json b/package.json
index 5a7bb9a94..085e4c487 100644
--- a/package.json
+++ b/package.json
@@ -73,8 +73,8 @@
     "vinyl-source-stream": "2.0.0"
   },
   "scripts": {
-    "build": "./build_releases.sh",
-    "release": "./build_releases.sh && npm publish",
+    "build": "node build_releases.js",
+    "release": "node build_releases.js && npm publish",
     "test": "cross-env PARSE_BUILD=node jest",
     "lint": "eslint --cache src/ integration/",
     "lint:fix": "eslint --fix --cache src/ integration/",
@@ -85,7 +85,9 @@
     "integration": "cross-env TESTING=1 jasmine --config=jasmine.json",
     "docs": "jsdoc -c ./jsdoc-conf.json ./src",
     "prepare": "npm run build",
-    "release_docs": "./release_docs.sh"
+    "release_docs": "./release_docs.sh",
+    "gulp": "gulp",
+    "cross-env": "cross-env"
   },
   "jest": {
     "automock": true,