<NME> .eslintrc
<BEF> {
    "parser": "babel-eslint",

    "env": {
        "browser": true,
        "node": true,
        "es6": true
    },

    "ecmaFeatures": {
        "arrowFunctions": true,
        "binaryLiterals": true,
        "blockBindings": true,
        "classes": false,
        "defaultParams": true,
        "destructuring": true,
        "forOf": true,
        "generators": true,
        "modules": true,
        "objectLiteralComputedProperties": true,
        "objectLiteralDuplicateProperties": true,
        "objectLiteralShorthandMethods": true,
        "objectLiteralShorthandProperties": true,
        "octalLiterals": true,
        "regexUFlag": true,
        "regexYFlag": true,
        "spread": true,
        "superInFunctions": false,
        "templateStrings": true,
        "unicodeCodePointEscapes": true,
        "globalReturn": true,
        "jsx": true
    },

    "rules": {
        "block-scoped-var": [0],
        "brace-style": [2, "1tbs", { "allowSingleLine": true }],
        "camelcase": [0],
        "comma-dangle": [2, "never"],
        "comma-spacing": [2],
        "comma-style": [2, "last"],
        "complexity": [0, 11],
        "consistent-return": [2],
        "consistent-this": [0, "that"],
        "curly": [2, "multi-line"],
        "default-case": [2],
        "dot-notation": [2, { "allowKeywords": true }],
        "eol-last": [2],
        "eqeqeq": [2],
        "func-names": [0],
        "func-style": [0, "declaration"],
        "generator-star-spacing": [2, "after"],
        "strict": 0,
        "guard-for-in": [0],
        "handle-callback-err": [0],
        "key-spacing": [2, { "beforeColon": false, "afterColon": true }],
        "quotes": [2, "single", "avoid-escape"],
        "max-depth": [0, 4],
        "max-len": [0, 80, 4],
        "max-nested-callbacks": [0, 2],
        "max-params": [0, 3],
        "max-statements": [0, 10],
        "new-parens": [2],
        "new-cap": [0],
        "newline-after-var": [2],
        "no-alert": [2],
        "no-array-constructor": [2],
        "no-bitwise": [0],
        "no-caller": [2],
        "no-catch-shadow": [2],
        "no-cond-assign": [2],
        "no-console": [0],
        "no-constant-condition": [1],
        "no-continue": [2],
        "no-control-regex": [2],
        "no-debugger": [2],
        "no-delete-var": [2],
        "no-div-regex": [0],
        "no-dupe-args": [2],
        "no-dupe-keys": [2],
        "no-duplicate-case": [2],
        "no-else-return": [0],
        "no-empty": [2],
        "no-empty-class": [2],
        "no-empty-label": [2],
        "no-eq-null": [0],
        "no-eval": [2],
        "no-ex-assign": [2],
        "no-extend-native": [1],
        "no-extra-bind": [2],
        "no-extra-boolean-cast": [2],
        "no-extra-parens": [0],
        "no-extra-semi": [1],
        "no-extra-strict": [2],
        "no-fallthrough": [2],
        "no-floating-decimal": [2],
        "no-func-assign": [2],
        "no-implied-eval": [2],
        "no-inline-comments": [0],
        "no-inner-declarations": [2, "functions"],
        "no-invalid-regexp": [2],
        "no-irregular-whitespace": [2],
        "no-iterator": [2],
        "no-label-var": [2],
        "no-labels": [2],
        "no-lone-blocks": [2],
        "no-lonely-if": [2],
        "no-loop-func": [2],
        "no-mixed-requires": [0, false],
        "no-mixed-spaces-and-tabs": [2, false],
        "no-multi-spaces": [2],
        "no-multi-str": [2],
        "no-multiple-empty-lines": [2, { "max": 2 }],
        "no-native-reassign": [1],
        "no-negated-in-lhs": [2],
        "no-nested-ternary": [0],
        "no-new": [2],
        "no-new-func": [2],
        "no-new-object": [2],
        "no-new-require": [0],
        "no-new-wrappers": [2],
        "no-obj-calls": [2],
        "no-octal": [2],
        "no-octal-escape": [2],
        "no-param-reassign": [2],
        "no-path-concat": [0],
        "no-plusplus": [0],
        "no-process-env": [0],
        "no-process-exit": [2],
        "no-proto": [2],
        "no-redeclare": [2],
        "no-regex-spaces": [2],
        "no-reserved-keys": [0],
        "no-restricted-modules": [0],
        "no-return-assign": [2],
        "no-script-url": [2],
        "no-self-compare": [0],
        "no-sequences": [2],
        "no-shadow": [2],
        "no-shadow-restricted-names": [2],
        "no-space-before-semi": [2],
        "no-spaced-func": [2],
        "no-sparse-arrays": [2],
        "no-sync": [0],
        "no-ternary": [0],
        "no-throw-literal": [2],
        "no-trailing-spaces": [2],
        "no-undef": [2],
        "no-undef-init": [2],
        "no-undefined": [0],
        "no-underscore-dangle": [2],
        "no-unreachable": [2],
        "no-unused-expressions": [2],
        "no-unused-vars": [1, { "vars": "all", "args": "after-used" }],
        "no-use-before-define": [2],
        "no-void": [0],
        "no-warning-comments": [0, { "terms": ["todo", "fixme", "xxx"], "location": "start" }],
        "no-with": [2],
        "no-wrap-func": [2],
        "one-var": [0],
        "operator-assignment": [0, "always"],
        "operator-linebreak": [2, "after"],
        "padded-blocks": [0],
        "quote-props": [0],
        "radix": [0],
        "semi": [2],
        "semi-spacing": [2, { "before": false, "after": true }],
        "sort-vars": [0],
        "space-after-keywords": [2, "always"],
        "space-before-function-paren": [2, { "anonymous": "always", "named": "always" }],
        "space-before-blocks": [0, "always"],
        "space-in-brackets": [0, "never", {
            "singleValue": true,
            "arraysInArrays": false,
            "arraysInObjects": false,
            "objectsInArrays": true,
            "objectsInObjects": true,
            "propertyName": false
        }],
        "space-in-parens": [2, "never"],
        "space-infix-ops": [2],
        "space-return-throw-case": [2],
        "space-unary-ops": [2, { "words": true, "nonwords": false }],
        "spaced-line-comment": [0, "always"],
        "strict": [1],
        "use-isnan": [2],
        "valid-jsdoc": [0],
        "valid-typeof": [2],
        "vars-on-top": [0],
        "wrap-iife": [2],
        "wrap-regex": [2],
        "yoda": [2, "never", { "exceptRange": true }]
    }
}

<MSG> Update ESLint config

<DFF> @@ -50,7 +50,6 @@
         "func-names": [0],
         "func-style": [0, "declaration"],
         "generator-star-spacing": [2, "after"],
-        "strict": 0,
         "guard-for-in": [0],
         "handle-callback-err": [0],
         "key-spacing": [2, { "beforeColon": false, "afterColon": true }],
@@ -62,7 +61,7 @@
         "max-statements": [0, 10],
         "new-parens": [2],
         "new-cap": [0],
-        "newline-after-var": [2],
+        "newline-after-var": [0],
         "no-alert": [2],
         "no-array-constructor": [2],
         "no-bitwise": [0],
@@ -81,7 +80,7 @@
         "no-duplicate-case": [2],
         "no-else-return": [0],
         "no-empty": [2],
-        "no-empty-class": [2],
+        "no-empty-character-class": [2],
         "no-empty-label": [2],
         "no-eq-null": [0],
         "no-eval": [2],
@@ -89,9 +88,7 @@
         "no-extend-native": [1],
         "no-extra-bind": [2],
         "no-extra-boolean-cast": [2],
-        "no-extra-parens": [0],
         "no-extra-semi": [1],
-        "no-extra-strict": [2],
         "no-fallthrough": [2],
         "no-floating-decimal": [2],
         "no-func-assign": [2],
@@ -138,7 +135,6 @@
         "no-sequences": [2],
         "no-shadow": [2],
         "no-shadow-restricted-names": [2],
-        "no-space-before-semi": [2],
         "no-spaced-func": [2],
         "no-sparse-arrays": [2],
         "no-sync": [0],
@@ -156,7 +152,7 @@
         "no-void": [0],
         "no-warning-comments": [0, { "terms": ["todo", "fixme", "xxx"], "location": "start" }],
         "no-with": [2],
-        "no-wrap-func": [2],
+        "no-extra-parens": [2],
         "one-var": [0],
         "operator-assignment": [0, "always"],
         "operator-linebreak": [2, "after"],
@@ -182,7 +178,7 @@
         "space-return-throw-case": [2],
         "space-unary-ops": [2, { "words": true, "nonwords": false }],
         "spaced-line-comment": [0, "always"],
-        "strict": [1],
+        "strict": [2, "never"],
         "use-isnan": [2],
         "valid-jsdoc": [0],
         "valid-typeof": [2],

Update ESLint config