diff --git a/.gitignore b/.gitignore
index 9daa824..7dd44db 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,3 @@
 .DS_Store
 node_modules
+.idea
\ No newline at end of file
diff --git a/component.json b/component.json
new file mode 100644
index 0000000..4f5ce0e
--- /dev/null
+++ b/component.json
@@ -0,0 +1,14 @@
+{
+    "name": "JavaScript-MD5",
+    "version": "1.0.0",
+    "description": "JavaScript MD5 implementation.",
+    "keywords": [
+        "javascript",
+        "md5"
+    ],
+    "scripts": [
+        "js/md5.js"
+    ],
+    "main": "js/md5.js",
+    "license": "MIT"
+}
\ No newline at end of file
diff --git a/js/md5.js b/js/md5.js
index a0d394c..9e1ca5a 100644
--- a/js/md5.js
+++ b/js/md5.js
@@ -269,13 +269,22 @@
     return rawHMACMD5(key, string)
   }
 
-  if (typeof define === 'function' && define.amd) {
-    define(function () {
-      return md5
-    })
-  } else if (typeof module === 'object' && module.exports) {
-    module.exports = md5
-  } else {
-    $.md5 = md5
-  }
+    // check js environment
+    if (typeof(exports) !== 'undefined') {
+        // nodejs env
+        if (typeof module !== 'undefined' && module.exports) {
+            exports = module.exports = md5;
+        }
+        exports.md5 = md5;
+    } else {
+        // requirejs env (optional)
+        if (typeof(define) === 'function' && define.amd) {
+            define(function () {
+                return md5;
+            });
+        } else {
+            // browser env
+            $.md5 = md5;
+        }
+    }
 }(this))