.eslintrc.json

{
	"root": true,
	"env": {
		"browser": true,
		"es6": true,
		"jquery": true
	},
	"extends": "eslint:recommended",
	"plugins": [
		"jsdoc"
	],
	"globals": {
		"SugarCube": false,
		"Config": false,
		"State": false,
		"Story": false,
		"settings": false,
		"setup": false,
		"App": false,
		"prehistory": true,
		"predisplay": true,
		"prerender": true,
		"postrender": true,
		"postdisplay": true
	},
	"parserOptions": {
		"ecmaVersion": 2018,
		"sourceType": "module",
		"ecmaFeatures": {
			"impliedStrict": true
		}
	},
	"rules": {
		"semi": ["warn", "always"],
		"semi-spacing": "warn",
		"semi-style": "warn",
		"block-spacing": ["warn", "always"],
		"curly": ["warn", "all"],
		"eqeqeq": ["warn", "smart"],
		"no-fallthrough": "error",
		"space-before-function-paren": ["warn", {
			"anonymous": "never",
			"named": "never",
			"asyncArrow": "always"
		}],
		"template-curly-spacing": ["warn", "never"],
		"no-trailing-spaces": "warn",
		"no-mixed-spaces-and-tabs": ["warn", "smart-tabs"],
		"no-unneeded-ternary": "warn",
		"camelcase": "warn",
		"padded-blocks": ["warn", "never"],
		"comma-spacing": "warn",
		"comma-style": "warn",
		"object-curly-newline": ["warn",
			{
				"ObjectExpression":{
					"minProperties": 4,
					"consistent": true
				},
				"ImportDeclaration": {
					"minProperties": 4,
					"consistent": true
				},
				"ExportDeclaration": {
					"minProperties": 4,
					"consistent": true
				},
				"ObjectPattern": {
					"minProperties": 8,
					"consistent": true
				}
			}
		],
		"object-curly-spacing": "warn",
		"no-var": "warn",
		"spaced-comment": "warn",
		"no-undef": "off",
		"no-unused-vars": ["error", {"args": "none"}],
		"block-scoped-var": "error",
		"dot-notation": "warn",
		"eol-last": "warn",
		"unicode-bom": ["error", "never"],
		"brace-style": ["warn", "1tbs",
			{
				"allowSingleLine": true
			}
		],
		"jsdoc/check-alignment": 1,
		"jsdoc/check-examples": 0, // interferes with SugarCube examples
		"jsdoc/check-indentation": 0,
		"jsdoc/check-param-names": 1,
		"jsdoc/check-property-names": 1,
		"jsdoc/check-syntax": 1,
		"jsdoc/check-tag-names": 1,
		"jsdoc/check-types": 1,
		"jsdoc/implements-on-classes": 1,
		"jsdoc/match-description": 0, // rejects SugarCube syntax
		"jsdoc/newline-after-description": 0,
		"jsdoc/no-types": 0,
		"jsdoc/no-undefined-types": 0,
		"jsdoc/require-jsdoc": 0,
		"jsdoc/require-param": 0,
		"jsdoc/require-param-description": 0,
		"jsdoc/require-param-name": 1,
		"jsdoc/require-param-type": 1,
		"jsdoc/require-returns": 0,
		"jsdoc/require-returns-check": 1,
		"jsdoc/require-returns-description": 0,
		"jsdoc/require-returns-type": 1,
		"jsdoc/valid-types": 1
	}
}