.eslintrc.json

{
	"plugins": ["es5"],
	"extends": ["eslint:recommended", "plugin:es5/no-es2015"],
	"root": true,
	"env": {
		"browser": true,
		"jquery": true
	},
	"globals": {
		"mw": "readonly",
		"wgULS": "readonly",
		"Map": "readonly"
	},
	"ignorePatterns": ["scripts/", "tests/", "lib/"],
	"rules": {
		"no-console": "error",
		"no-extra-parens": ["error", "all", { "nestedBinaryExpressions": false }],
		"no-unreachable-loop": "error",
		"block-scoped-var": "error",
		"curly": "error",
		"default-case": "error",
		"dot-notation": "error",
		"eqeqeq": "error",
		"guard-for-in": "error",
		"no-caller": "error",
		"no-else-return": "error",
		"no-implicit-coercion": ["error", { "boolean": false }],
		"no-lone-blocks": "error",
		"no-multi-spaces": ["error", { "ignoreEOLComments": true }],
		"no-useless-return": "error",
		"yoda": "error",
		"block-spacing": "error",
		"brace-style": ["error", "1tbs"],
		"comma-dangle": "error",
		"comma-spacing": ["error", { "before": false, "after": true }],
		"computed-property-spacing": ["error", "never"],
		"func-call-spacing": ["error", "never"],
		"indent": ["error", "tab", { "outerIIFEBody": 0, "SwitchCase": 1 }],
		"key-spacing": ["error", {"singleLine": {"beforeColon": false, "afterColon": true}}],
		"keyword-spacing": ["error", { "after": true, "before": true}],
		"linebreak-style": ["error", "unix"],
		"no-array-constructor": "error",
		"no-bitwise": "error",
		"no-mixed-operators": "error",
		"no-new-object": "error",
		"no-tabs": ["error", { "allowIndentationTabs": true }],
		"no-trailing-spaces": "error",
		"no-unneeded-ternary": "error",
		"no-whitespace-before-property": "error",
		"quotes": ["error", "single", { "avoidEscape": true }],
		"semi": ["error", "always"],
		"space-before-blocks": "error",
		"space-in-parens": ["error", "never"],
		"space-infix-ops": "error",
		"space-unary-ops": "error",
		"spaced-comment": ["error", "always", { "line": { "exceptions": ["-"] }, "block": { "balanced": true } }],
		"switch-colon-spacing": "error",
		"eol-last": ["error", "always"]
	},
	"reportUnusedDisableDirectives": true
}