.eslintrc-percolate

/* Percolate Studio's javascript linting configuration
 *
 * Documentation on rules can be found at:
 * http://eslint.org/docs/rules/ <- Optionally append the rulename
*/

{
  "env": {
    /* Allows global vars in a node environment to pass and enables certain rules
       E.g "node": true, "browser": true */
  },
  "rules": {
    /* Warns on TODO/FIXMEs */
    "no-warning-comments": 1,

    /* Ensures any jsdoc comments used are valid jsdoc */
    "valid-jsdoc": 2,

    /* Disallows shadowing and explicitly using undefined */
    "no-undefined": 2,

    /* Disallow comparison like x == x */
    "no-self-compare": 2,

    /* Disallow null comparisons without a typecheck, x === null is ok */
    "no-eq-null": 2,

    /* Disallows redundant return from else */
    "no-else-return": 2,

    /* Guards against accidentally using a prototype's keys in a for..in loop */
    "guard-for-in": 2,

    /* Enforces consistent use of .properties in regards to newlines */
    "dot-location": [2, "property"],

    /* Enforces that switch statements always have a default case */
    "default-case": 2,

    /* 2 spaces indentation */
    "indent": [2, 2],

    /* Unix style line endings */
    "linebreak-style": [2, "unix"],

    /* Double quotes unless single quotes are used to avoid escaping */
    "quotes": [2, "double", "avoid-escape"],

    /* At least one space after // comments */
    "spaced-line-comment": 2,

    /* Spacing on unary operators OK: delete x.y, !bar */
    "space-unary-ops": [1, {"words": true, "nonwords": false}],

    /* No spacing in params OK: (1 + 2) */
    "space-in-parens": [2, "never"],

    /* No spacing in brackets OK: [1, 2, 3], {x:1} */
    "space-in-brackets": [2, "never"],

    /* Spacing in function declarations OK: function(foo)
    "space-before-function-paren": [2, "never"],

    /* Spacing in blocks OK: if (a) { */
    "space-before-blocks": [2, "always"],

    /* Spacing after keywords OK: if (a) */
    "space-after-keywords": [2, "always"],

    /* Force properties to be always quoted to prevent mistakes and ensure consistency */
    "quote-props": [2, "as-needed"],

    /* No padding within blocks */
    "padded-blocks": [2, "never"],

    /* When splitting operations over multiple lines, the operator should come before */
    "operator-linebreak": [2, "before"],

    /* Disallows use of uneccessary ternary ops eg: answer === 1 ? true : false */
    "no-unneeded-ternary": 2,

    /* Disallows nesting of ternary operations */
    "no-nested-ternary": 2,

    /* Maximum 2 empty lines */
    "no-multiple-empty-lines": [2, {"max": 1}],

    /* Must combine else and if to else if */
    "no-lonely-if": 2,

    /* Comments must be on their own line */
    "no-inline-comments": 2,

    /* Functions are always assigned to vars OK: var foo = function() */
    "func-style": [2, "expression"],

    /* Var capturing this should always be called self */
    "consistent-this": [2, "self"],

    /* Multiline expressions with commas must put comma on the end of the line */
    "comma-style": [2, "last"],

    /* Enforces comma spacing after comma but not before OK: [1, 2] */
    "comma-spacing": [2, {"before": false, "after": true}],

    /* Enforces 1 true brace style */
    "brace-style": [2, "stroustrop"]
  }
}