.eslintrc

{
    // Rules:
    // 0 means disabled
    // 1 means to consider issues as warnings
    // 2 means to consider issues as errors (exit status 1)

    "rules": {
        // Clean code and best practices
        "indent": [2, 2, { "SwitchCase": 1 }],
        "quotes": [2, "double", "avoid-escape"],
        "linebreak-style": [2, "unix"],
        "semi": [2, "always"],
        "no-console": 1,
        "no-debugger": 1,
        "no-extra-semi": 2,
        "curly": 2,
        "dot-notation": 2,
        "dot-location": [1, "property"],
        "eqeqeq": 2,
        "guard-for-in": 2,
        "no-alert": 1,
        "no-else-return": 2,
        "no-multi-spaces": 2,
        "no-shadow": 2,
        "no-undef-init": 2,
        "no-unused-vars": 2,
        "comma-dangle": [1, "always-multiline"],
        "no-extra-boolean-cast": 1,
        "no-with": 2,

        // Consistent and widely-accepted style conventions
        "brace-style": [2, "1tbs", { "allowSingleLine": true }],
        "camelcase": [2, { "properties": "always" }],
        "comma-spacing": [2, {
            "before": false,
            "after": true
        }],
        "comma-style": [2, "last"],
        "eol-last": 1,
        "key-spacing": [2, {
            "beforeColon": false,
            "afterColon": true
        }],
        "new-cap": [2, {
            "newIsCap": true
        }],
        "no-multiple-empty-lines": [2, {
            "max": 2
        }],
        "no-nested-ternary": 2,
        "no-new-object": 2,
        "no-spaced-func": 2,
        "no-trailing-spaces": 2,
        "no-extra-parens": [2, "functions"],
        "no-underscore-dangle": 0,
        "one-var": [1, "never"],
        "semi-spacing": [2, {
            "before": false,
            "after": true
        }],
        "space-after-keywords": 2,
        "space-before-blocks": [2, "always"],
        "space-before-function-paren": [2, { "anonymous": "always", "named": "never" }],
        "space-infix-ops": 2,
        "space-return-throw-case": 2,
        "spaced-comment": [2, "always", {
            "exceptions": ["-", "+", "/", "@ngInject"]
        }],

        // Possible errors
        "no-cond-assign": 2,
        "no-unreachable": 2,
        "use-isnan": 2,
        "valid-typeof": 2,
        "no-eval": 1,
        "no-loop-func": 2,
        "no-undef": 2,
        "no-constant-condition": 2,
        "no-func-assign": 2,
        "no-invalid-regexp": 2,
        "no-irregular-whitespace": 2,
        "no-octal": 2,
        "no-sequences": 2,
        "no-throw-literal": 2,

        // NodeJS specific things
        "callback-return": [2, ["callback", "cb", "next"]],
        "handle-callback-err": [2, "^(err|error)$" ],
        "no-new-require": 2,
        "no-sync": 0
    },

    // Environments
    "env": {
        "node": true,
        "browser": true,
        "jasmine": true,
        "es6": true
    },

    // Global variables
    "globals": {
        "angular": true,
        "io": true
    },

    // Extend the default recommended configuration
    "extends": "eslint:recommended"
}