change eslint

.eslintrc.json

@@ -15,14 +15,67 @@
     },
     "parser": "babel-eslint",
     "rules": {
-        "no-const-assign": "warn",
-        "no-this-before-super": "warn",
-        "no-undef": "warn",
+        //constを変更してはいけない
+        "no-const-assign": "error",
+
+        //クラスのsuper()は最初に
+        "no-this-before-super": "error",
+
+        //未定義変数を使用しない
+        "no-undef": "error",
+
+        //return, throw, continueの後に処理書かない
         "no-unreachable": "warn",
+
+        //未使用変数を警告
         "no-unused-vars": "warn",
+
+        //クラスのextend時のみsuperを使えるようにする
         "constructor-super": "warn",
-        "valid-typeof": "warn",
+
+        //typeofのタイプミス
+        "valid-typeof": "error",
+
+        //Reactの無駄ロード防止(JSX)
         "react/jsx-uses-react": "error",
-        "react/jsx-uses-vars": "error"
+
+        //ReactJSX使用時のno-unused-vars
+        "react/jsx-uses-vars": "error",
+
+        //ダブルクオート推奨
+        //O: console.log("test");
+        //X: console.log('test');
+        "quotes":"warn",
+
+        //if文等で必ず値を返す
+        //O: if(flag){return 1;}else{return 2;}
+        //X: if(flag){return 1;}else{return;}
+        "consistent-return":"error",
+
+        //中括弧必須
+        //O: if(flag){return 1;}
+        //X: if(flag)return 1;
+        "curly":"error",
+
+        //配列は可能な限りドットを使う 
+        //O: array.name 
+        //X: array["name"]
+        "dot-notation":"warn",
+
+        // != or == は非推奨
+        //O: 1 === num
+        //X: 1 == num
+        "eqeqeq":"warn",
+
+        //変な小数点の書き方防止
+        //O: var num = 0.1;
+        //X: var num = .1;
+        "no-floating-decimal":"error",
+
+        //eval()っぽい書き方防止
+        //O:setTimeout(()=>{console.log("hello");}, 100);
+        //X:setTimeout("console.log('hello');", 100);
+        "no-implied-eval":"error"
+
     }
 }

.flowconfig

@@ -57,4 +57,4 @@ suppress_comment=\\(.\\|\n\\)*\\$FlowExpectedError
 unsafe.enable_getters_and_setters=false
 
 [version]
-^0.55.0
+^0.61.0