.eslintrc

{
    "extends": "airbnb-base",
    "plugins": [
        "import"
    ],
    "env": {

        // Diff to airbnb: Change environment to 'browse' to alllow global variables like document and window
        "browser": true

    },
    "rules": {

        // Diff to airbnb: 4 instead of 2 spaces
        "indent": ["error", 4, {
            "SwitchCase": 1,
            "VariableDeclarator": 1,
            "outerIIFEBody": 1,
            "FunctionDeclaration": {
                "parameters": 1,
                "body": 1
            },
            "FunctionExpression": {
                "parameters": 1,
                "body": 1
            }
        }],

        // Diff to airbnb: Allow property mutation on function paramaters
        "no-param-reassign": ["error", { "props": false }],

        // Diff to airbnb: Allow use of for…in loops
        "no-restricted-syntax": [
            "error",
            {
                "selector": "ForOfStatement",
                "message": "iterators/generators require regenerator-runtime, which is too heavyweight for this guide to allow them. Separately, loops should be avoided in favor of array iterations."
            },
            {
                "selector": "LabeledStatement",
                "message": "Labels are a form of GOTO; using them makes code confusing and hard to maintain and understand."
            },
            {
                "selector": "WithStatement",
                "message": "`with` is disallowed in strict mode because it makes code impossible to predict and optimize."
            }
        ],

        // Diff to airbnb: Disable any line length linting (to be solved via code reviews)
        "max-len": 0
        
    }
}