diff --git a/src/js/src/js/solitude.js b/src/js/src/js/solitude.js
index d16e4f2..d25ad5b 100644
--- a/src/js/src/js/solitude.js
+++ b/src/js/src/js/solitude.js
@@ -1,122 +1,121 @@
+function graftSolitude(global) {
+  var solitude;
+  (function dismantleGlobal() {
+    global.solitude = solitude = global.solitude || {
+      "variant": "web",
+      get global() { return global; },
+      get postMessage() { return global.postMessage },
+      get createURL() { return global.URL.createObjectURL },
+      get main() { return global.parent },
+      get origin() { return global.parent.location.origin },
+      get myOrigin() { return global.location.origin },
+      get console() { return global.parent.console },
+      get message() { return message },
+      get persistence() { return persistenceFunc },
+    };
 
-(function graftSolitude(global) {
-    var solitude;
-    (function dismantleGlobal() {
-        global.solitude = solitude = global.solitude || {
-            "variant": "web",
-            get global() { return global; },
-            get postMessage() {return global.postMessage},
-            get createURL() {return global.URL.createObjectURL},
-            get main() { return global.parent},
-            get origin() { return global.parent.location.origin},
-            get myOrigin() { return global.location.origin},
-            get console() {return global.parent.console},
-            get message() {return message},
-            get persistence() {return persistenceFunc},
-        };
-
-        const message = {
-            get post() {return solitude.postMessage },
-            get addListener() {return addMessageListener},
-            get removeListener() { return }
-        };
+    const message = {
+      get post() { return solitude.postMessage },
+      get addListener() { return addMessageListener },
+      get removeListener() { return }
+    };
 
 
-        function addMessageListener(listener, bool) {
-            bool = bool || false;
-            global.addEventListener("message",listener,bool);    
-        }
-
-        function removeMessageListener(listener, option, useCapture) {
-            global.removeEventListener("message", listener)
-        }
-    })();
-    io(solitude);
-    return solitude;
-
-    //declaretions
-    function persistenceFunc() {
-        const strategies = {
-            get local() {return writeLocal},
-            get download() { return download},
-            get console() { return solitude.console}
-        };
-        return strategies;
+    function addMessageListener(listener, bool) {
+      bool = bool || false;
+      global.addEventListener("message", listener, bool);
     }
 
-    //file output strategies
-    function writeLocal(path, content) {
-        const message = {
-            "path": path,
-            "content": content,
-        }
-        solitude.message.post(JSON.stringify(message), solitude.origin)
+    function removeMessageListener(listener, option, useCapture) {
+      global.removeEventListener("message", listener)
+    }
+  })();
+  io(solitude);
+  return solitude;
+
+  //declaretions
+  function persistenceFunc() {
+    const strategies = {
+      get local() { return writeLocal },
+      get download() { return download },
+      get console() { return solitude.console }
+    };
+    return strategies;
+  }
+
+  //file output strategies
+  function writeLocal(path, content) {
+    const message = {
+      "path": path,
+      "content": content,
+    }
+    solitude.message.post(JSON.stringify(message), solitude.origin)
+  }
+
+  function readLocal(path, response) {
+    //requestIdは2バイトの後ろのほう
+    const request = { "path": path, "requestId": __getRandomInt(50000, 60000) }
+
+    const receiver = function (event) {
+      if (event.origin != slitude.origin)
+        return;
+
+      const message = jSON.parse(event.data);
+      if (message.requestId != request.requestId) {
+        return;
+      }
+      solitude.removeMessageListener(receiver);
+      response(message.success, message.content);
+    }
+    solitude.message.addListener(receiver);
+    solitude.message.post(JSON.stringify(request), solitude.origin);
+  }
+
+  function __getRandomInt(min, max) {
+    min = Math.ceil(min);
+    max = Math.floor(max);
+    return Math.floor(Math.random() * (max - min) + min)
+  }
+
+  function download(filename, content, mimeType) {
+    const blob = new Blob([content], { "type": mimeType });
+    const link = document.createElement('a');
+
+    link.href = solitude.createURL(blob);
+    link.download = filename;
+    link.click()
+  }
+
+  function log(log) {
+
+  }
+
+  function io(solitude) {
+    //std can customize
+    const initialStd = {
+      get out() { return solitude.global.console.log },
+      get in() { return noop },
+    }
+    var std = initialStd;
+
+    solitude.io = {
+      get std() { return std; },
+      set std(value) { std = value; },
+      get console() { return solitude.console; },
+      get fs() { return fs }
     }
 
-    function readLocal(path, response) {
-        //requestIdは2バイトの後ろのほう
-        const request = {"path": path, "requestId":__getRandomInt(50000,60000) }
-
-        const receiver =  function(event) {
-            if(event.origin != slitude.origin)
-                return ;
-
-            const message = jSON.parse(event.data);
-            if(message.requestId != request.requestId ) {
-                return;
-            }
-            solitude.removeMessageListener(receiver);
-            response(message.success, message.content);
-        }
-        solitude.message.addListener(receiver);
-        solitude.message.post(JSON.stringify(request), solitude.origin);
+    const fs = {
+      get write() { return writeLocal },
+      get download() { return download },
+      get read() { return readLocal },
+      get out() { return this.write },
+      get in() { return this.read },
     }
+  }
 
-    function __getRandomInt(min, max) {
-        min = Math.ceil(min);
-        max = Math.floor(max);
-        return Math.floor(Math.random() * (max - min) + min)
-    }
-
-    function download(filename, content, mimeType) {
-        const blob = new Blob([content], { "type": mimeType });
-        const link = document.createElement('a');
-
-        link.href = solitude.createURL(blob);
-        link.download = filename;
-        link.click()
-    }
-
-    function log(log) {
-        
-    }
-
-    function io(solitude) {
-        //std can customize
-        const initialStd = {
-            get out() {return solitude.global.console.log },
-            get in() {return noop},
-        }
-        var std = initialStd;
-
-        solitude.io = {
-            get std() { return std; },
-            set std(value) { std = value; },
-            get console() { return solitude.console; },
-            get fs() {return fs}
-        }
-
-        const fs = {
-            get write() { return writeLocal},
-            get download() {return download},
-            get read() { return readLocal},
-            get out() { return this.write},
-            get in() { return this.read},
-        }
-    }
-
-    function noop() {
-        //do nothing
-    }
-}) (window);
+  function noop() {
+    //do nothing
+  }
+}