.eslintrc

{
    "rules": {
        "curly": ["error", "multi-line"],
        "eol-last": ["error"],
        "indent": ["error", 2, {"SwitchCase": 1}], # Blockly/Google use 2-space indents
        "linebreak-style": ["error", "unix"],
        "max-len": ["error", 120, 4],
        "no-trailing-spaces": ["error", { "skipBlankLines": true }],
        "no-unused-vars": ["error", {"args": "after-used", "varsIgnorePattern": "^_"}],
        "no-use-before-define": ["error"],
        "quotes": ["off"], # Blockly mixes single and double quotes
        "semi": ["error", "always"],
        "space-before-function-paren": ["error", "never"], # Blockly doesn't have space before function paren
        "strict": ["off"], # Blockly uses 'use strict' in files
        "no-cond-assign": ["off"], # Blockly often uses cond-assignment in loops
        "no-redeclare": ["off"], # Closure style allows redeclarations
        "valid-jsdoc": ["error", {"requireReturn": false}],
        "no-console": ["off"]
    },
    "env": {
        "browser": true
    },
    "globals": {
        "Blockly": true, # Blockly global
        "goog": true # goog closure libraries/includes
    },
    "extends": "eslint:recommended"
}