stricter linting

additional rules

eslintrc.json

@@ -10,9 +10,9 @@
     "ecmaFeatures": {"blockBindings": true},
     "rules": {
         "indent": ["warn", 4],
+        "no-unused-vars": ["error", { "argsIgnorePattern": "_" }],
         "linebreak-style": ["error", "unix"],
         "quotes": ["warn", "single"],
-        "semi": ["error", "always"],
         "strict": ["error", "safe"],
         "no-dupe-keys": "error",
         "one-var": ["error", {
@@ -31,6 +31,8 @@
         "eqeqeq": "error",
         "dot-notation": "error",
         "no-redeclare": "error",
+        "no-undef": "error",
+        "no-undefined": "error",
         "radix": "error",
         "vars-on-top": "error",
         "no-trailing-spaces": "error",
@@ -40,7 +42,35 @@
         "no-console": ["error", { "allow": ["warn", "error"] }],
         "no-debugger": "error",
         "no-use-before-define": "error",
-        "no-unused-vars": ["error", {"args": "none"}],
-        "no-native-reassign": ["error", {"exceptions": ["document", "window"]}]
+        "array-callback-return": "error",
+        "curly": ["error", "all"],
+        "no-eval": "error",
+        "no-extend-native": "error",
+        "no-multi-spaces": "error",
+        "no-new-func": "error",
+        "no-unused-expressions": "error",
+        "no-useless-escape": "error",
+        "no-cond-assign": ["error", "always"],
+        "no-extra-boolean-cast": "error",
+        "no-invalid-regexp": "error",
+        "no-irregular-whitespace": "error",
+        "valid-typeof": "error",
+        "brace-style": ["error", "1tbs"],
+        "no-global-assign": "error",
+        "no-template-curly-in-string": "error",
+        "func-call-spacing": ["error", "never"],
+        "no-unsafe-negation": "off",
+        "linebreak-style": ["error", "unix"],
+        "new-parens": "error",
+        "no-nested-ternary": "error",
+        "no-new-object": "error",
+        "no-unneeded-ternary": "error",
+        "operator-assignment": ["error", "always"],
+        "space-in-parens": ["error", "never"],
+        "arrow-body-style": ["error", "as-needed"],
+        "arrow-spacing": ["error", {"before": true, "after": true}],
+        "no-confusing-arrow": ["error", {"allowParens": true}],
+        "prefer-spread": "error",
+        "require-yield": "error"
     }
 }