.eslintrc.js

module.exports = {
    "env": {
        "browser": true,
        "jquery": true,
        "es6": true,
        "node": true,
        "jest": true
    },
    "plugins": [
    	"testcafe"
    ],
    "extends": [
	"eslint:recommended",
	"plugin:testcafe/recommended"
    ],
    "globals": {
        // Browser API
        "MediaMetadata": "readonly"
    },
    "parserOptions": {
        "ecmaVersion": 2020,
        "sourceType": "module"
    },
    "rules": {
        "comma-dangle": ["error", "only-multiline"],
        "space-before-blocks": ["error"],
        "keyword-spacing": [2, {"before": true, "after": true}],
        "indent": ["error", 2],
        "no-console": "off", // Used too often behind `debug` options; not dealing with this now
        "no-empty": ["error", { "allowEmptyCatch": true }],
        "no-trailing-spaces": ["error"],
        "no-unused-vars": ["error", { "vars": "all", "args": "none", "ignoreRestSiblings": false }], // set args:none; this is generally more annoying than useful
        "no-var": ["error"],
        "prefer-const": ["error"],
        "space-infix-ops": ["error", { "int32Hint": false }],
        "eol-last": ["error", "always"]
    },
    "overrides": [
        { // TODO; these should be cleaned up as well
            "files": [
                "src/js/BookReader.js",
                "src/js/dragscrollable-br.js"
            ],
            "rules": {
                "no-var": ["off"],
            }
        },
    ],
};