Comma-Dangle Bug ESLint v3.8.0 - Demo

.babelrc

{
  "plugins": [
    "transform-flow-comments",
    "transform-function-bind",
    "transform-async-to-generator",
    "transform-exponentiation-operator",
    "transform-class-properties",
    "transform-es2015-destructuring",
    "transform-es2015-spread",
    "transform-es2015-parameters",
    "transform-object-rest-spread",
    "transform-es2015-classes",
    "transform-es2015-modules-commonjs"
  ]
}

.eslintrc.js

module.exports = {
	"parser": "babel-eslint",
	"parserOptions": {
		"ecmaVersion": 6,
		"sourceType": "module"
	},
	"env": {
		"es6": true,
		"node": true
	},
	"plugins": [
		"flowtype",
		"flow-vars"
	],
	"extends": "eslint:recommended",
	"rules": {
		"comma-dangle": [
			"error",
			"always-multiline"
		],
	}
};

package.json

{
  "name": "cdb",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "",
  "license": "ISC",
  "dependencies": {
    "babel-eslint": "^7.0.0",
    "babel-plugin-transform-async-to-generator": "^6.8.0",
    "babel-plugin-transform-class-properties": "^6.8.0",
    "babel-plugin-transform-es2015-classes": "^6.8.0",
    "babel-plugin-transform-es2015-destructuring": "^6.8.0",
    "babel-plugin-transform-es2015-modules-commonjs": "^6.8.0",
    "babel-plugin-transform-es2015-parameters": "^6.8.0",
    "babel-plugin-transform-es2015-spread": "^6.8.0",
    "babel-plugin-transform-exponentiation-operator": "^6.8.0",
    "babel-plugin-transform-flow-comments": "^6.8.0",
    "babel-plugin-transform-function-bind": "^6.8.0",
    "babel-plugin-transform-object-rest-spread": "^6.8.0",
    "babel-plugin-transform-react-jsx": "^6.8.0",
    "eslint": "^3.8.0",
    "eslint-plugin-flow-vars": "^0.5.0",
    "eslint-plugin-flowtype": "^2.20.0"
  }
}

test.js

export default class AntragsEvent {
	id: ?string
	rest: any

	constructor({
		id,
		...rest,
	}: {
		id?: string,
	}) {
		this.id = id
		this.rest = rest
	}
}