.eslintrc.json

{
	"env": {
		"browser": true,
		"commonjs": true,
		"es6": true,
		"webextensions": true
	},
	"parserOptions": {
		"ecmaVersion": 8,
		"ecmaFeatures": {
			"jsx": true
		},
		"sourceType": "script"
	},
	"plugins": [
		"promise",
		"eslint-comments",
		"html"
	],
	"extends": [
		"eslint:recommended",
		"plugin:promise/recommended",
		"plugin:eslint-comments/recommended"
	],
	"globals": {
		"exportFunction": false
	},
	"rules": {
		"brace-style": ["error", "stroustrup", {"allowSingleLine": true}],
		"comma-spacing": ["error", { "before": false, "after": true }],
		"complexity": ["warn", 20],
		"consistent-return": "error",
		"constructor-super": "warn",
		"eqeqeq": "error",
		"eslint-comments/no-use": ["error", {"allow": ["eslint-disable-next-line", "globals"]}],
		"indent": ["error", "tab", {"SwitchCase": 1}],
		"max-depth": ["warn", 4],
		"max-len": ["warn", {"code": 120, "tabWidth": 4}],
		"max-lines-per-function": ["warn", {"max": 80,"skipBlankLines": true, "skipComments": true}],
		"max-lines": ["warn", {"max": 500, "skipBlankLines": true, "skipComments": true}],
		"max-params": ["warn", 4],
		"no-console": "error",
		"no-const-assign": "error",
		"no-inner-declarations": "warn",
		"no-mixed-spaces-and-tabs": ["error", "smart-tabs"],
		"no-prototype-builtins": "off",
		"no-this-before-super": "warn",
		"no-trailing-spaces": ["error", {"skipBlankLines": true}],
		"no-undef": "error",
		"no-unreachable": "warn",
		"no-unused-vars": "off",
		"no-use-before-define": ["error", {"functions": false}],
		"no-useless-rename": "warn",
		"no-useless-return": "warn",
		"no-var": "error",
		"quotes": ["error", "double"],
		"require-atomic-updates": "off",
		"semi": ["error", "always"],
		"space-in-parens": ["error", "never"],
		"strict": ["error", "function"],
		"valid-typeof": "warn"
	},
	"overrides": [
		{
			"files": ["detectionTest.js", "modifiedCanvasAPI.js", "options.js", "settingsDisplay.js"],
			"rules": {
				"max-lines": "off"
			}
		},
		{
			"files": ["test/*"],
			"rules": {
				"no-console": "off"
			}
		},
		{
			"files": [".tools/*.js"],
			"env": {
				"node": true
			},
			"rules": {
				"no-console": "off"
			}
		},
		{
			"files": ["*.html", "*.php"],
			"rules": {
				"no-useless-escape": "off",
				"no-undef": "off"
			}
		}
	]
}