.eslintrc.json

{

    "parserOptions": {
        "ecmaVersion": 6,
        "sourceType": "module",
        "ecmaFeatures": {
            "jsx": true
        }
    },

    "extends": "eslint:recommended",

    "env": {
        "browser": true,
        "es6": true,
        "amd": true,
        "jquery": true,
        "webextensions": true
    },

    "globals": {
        "__": true,
        "APP_URL": true,
        "mad": true,
        "steal": true
    },

    "rules": {
        "strict": ["error", "never"],
        /* possible errors */
        "no-console": 0,
        "no-empty": ["error", { "allowEmptyCatch": true }], // disallow empty block statements
        /* best practices */
        "curly": 2, // enforce consistent brace style for all control statements
        "no-eval": 2, // disallow the use of eval()
        "no-extend-native": 2, // disallow extending native types
        "no-global-assign": 2, // disallow assignments to native objects or read-only global variables
        "no-implicit-coercion": 2, // disallow shorthand type conversions
        "no-implicit-globals": 2, // disallow var and named function declarations in the global scope
        "no-implied-eval": 2, // disallow the use of eval()-like methods
        "no-lone-blocks": 2, // disallow unnecessary nested blocks
        "no-useless-escape": 0, // disallow unnecessary escape characters
        /* Stylistic Issues */
        "array-bracket-spacing": 1, // enforce consistent spacing inside array brackets
        "block-spacing": 1, // enforce consistent spacing inside single-line blocks
        "brace-style": ["warn", "1tbs", { "allowSingleLine": true }], // enforce consistent brace style for blocks
        "comma-spacing": 1, // enforce consistent spacing before and after commas
        "computed-property-spacing": 1, // enforce consistent spacing inside computed property brackets
        "eol-last": 1, // enforce at least one newline at the end of files
        "func-call-spacing": 1, // require or disallow spacing between function identifiers and their invocations
        "indent": ["warn", 2, {"MemberExpression": 0, "SwitchCase": 1}], // enforce consistent indentation
        "key-spacing": ["warn", { "mode": "minimum" }], // enforce consistent spacing before and after keywords
        "keyword-spacing": 1, // enforce consistent spacing between keys and values in object literal properties
        "linebreak-style": 1, // enforce consistent linebreak style
        "no-trailing-spaces": 1, // disallow trailing whitespace at the end of lines
        "no-var": 1, // require let or const instead of var
        "object-curly-spacing": ["warn", "never"], // enforce consistent spacing inside braces
        "one-var": ["warn", "never"], // enforce variables to be declared either together or separately in functions
        "padded-blocks": ["warn", "never"], // require or disallow padding within blocks
        "semi": ["warn", "always"], // require or disallow semicolons instead of ASI
        "semi-spacing": 1, // enforce consistent spacing before and after semicolons
        "space-before-blocks": 1, // enforce consistent spacing before blocks
        "space-before-function-paren": ["warn", "never"], // enforce consistent spacing before function definition opening parenthesis
        "space-in-parens": ["warn", "never"], // enforce consistent spacing inside parentheses
        "space-infix-ops": 1, // require spacing around operators
        /* ES6 */
        "arrow-body-style": ["warn", "as-needed"], // require braces around arrow function bodies
        "arrow-parens": ["warn", "as-needed"], // require parentheses around arrow function arguments
        "arrow-spacing": 1, // enforce consistent spacing before and after the arrow in arrow functions
        "no-useless-constructor": 1, // disallow unnecessary constructors
        //"object-shorthand": ["warn", "always", {"avoidQuotes": true}], // require or disallow method and property shorthand syntax for object literals
        "prefer-arrow-callback": ["warn", {"allowNamedFunctions": true}], // require arrow functions as callbacks
        "prefer-const": 1, // require const declarations for variables that are never reassigned after declared
        "prefer-template": 1, // require template literals instead of string concatenation
        "template-curly-spacing": ["warn", "never"], // require or disallow spacing around embedded expressions of template strings
        /* PASSBOLT EXTENDED RULES */
        "prefer-const": ["error"],
        "func-names": ["error", "never"],
        "object-shorthand": ["error", "never"],
        "multiline-comment-style": ["error", "starred-block"], // enforce multiple comment block line to follow indentation
        "one-var": ["error", {"initialized": "never", "uninitialized": "always"}], // enforce variables to be declared either together or separately in functions
        "indent": ["warn", 2, {"MemberExpression": 1, "SwitchCase": 1}] // enforce consistent indentation
    }
}