.eslintrc.json

{
    "parser": "babel-eslint",
    "extends": [
        "eslint:recommended",
        "plugin:react/recommended"
    ],
    "parserOptions": {
        "ecmaVersion": 6,
        "sourceType": "module",
        "ecmaFeatures": {
            "jsx": true
        }
    },
    "env": {
        "browser": true,
        "node": true,
        "amd": true
    },
    "ignore": [
        "typings",
        "public"
    ],
    "plugins": [
        "react",
        "babel"
    ],
    "globals":{
        "Promise":true
    },
    "rules": {
        "strict": 0,
        "react/prop-types": [0],
        "comma-dangle": 0,
        "no-console": 0,
        ////////// Possible Errors //////////
        "no-cond-assign": 1,          // disallow assignment in conditional expressions
        "no-constant-condition": 1,   // disallow use of constant expressions in conditions
        "no-control-regex": 1,        // disallow control characters in regular expressions
        "no-debugger": 0,             // disallow use of debugger
        "no-dupe-keys": 1,            // disallow duplicate keys when creating object literals
        "no-empty": 0,                // disallow empty statements
        "no-ex-assign": 1,            // disallow assigning to the exception in a catch block
        "no-extra-boolean-cast": 1,   // disallow double-negation boolean casts in a boolean context
        "no-extra-semi": 1,           // disallow unnecessary semicolons
        "no-func-assign": 1,          // disallow overwriting functions written as function declarations
        "no-inner-declarations": 0,   // disallow function or variable declarations in nested blocks
        "no-invalid-regexp": 2,       // disallow invalid regular expression strings in the RegExp constructor
        "no-irregular-whitespace": 0, // disallow irregular whitespace outside of strings and comments
        "no-negated-in-lhs": 0,       // disallow negation of the left operand of an in expression
        "no-obj-calls": 0,            // disallow the use of object properties of the global object (Math and JSON) as functions
        "no-regex-spaces": 1,         // disallow multiple spaces in a regular expression literal
        "no-sparse-arrays": 1,        // disallow sparse arrays
        "no-unreachable": 1,          // disallow unreachable statements after a return, throw, continue, or break statement
        "use-isnan": 1,               // disallow comparisons with the value NaN
        "valid-typeof": 1,            // Ensure that the results of typeof are compared against a valid string
        

         ////////// Best Practices //////////
        "eqeqeq": 1,                // require the use of === and !==
        "no-div-regex": 1,          // disallow division operators explicitly at beginning of regular expression (off by default)
        "no-eq-null": 1,            // disallow comparisons to null without a type-checking operator (off by default)
   	    "no-eval": 1,               // disallow use of eval()
        "no-catch-shadow": 1,             // disallow the catch clause parameter name being the same as a variable in the outer scope (off by default in the node environment)
        "no-label-var": 1,                // disallow labels that share a name with a variable
        "no-shadow-restricted-names": 1,  // disallow shadowing of names such as arguments
        "no-undef": 1,                    // disallow use of undeclared variables unless mentioned in a /*global */ block
        "no-undef-init": 1,               // disallow use of undefined when initializing variables
        "no-undefined": 1,                // disallow use of undefined variable (off by default)
        "no-unused-vars": 1,              // disallow declaration of variables that are not used in the code

        "semi-spacing": 1,      // disallow space before semicolon
        "comma-spacing": 0,             // enforce spacing before and after comma
        "no-lonely-if": 1,              // disallow if as the only statement in an else block (off by default)
        "semi": 0
    }
}