message: Increased ecmaVersion in eslint config to 2017
diff: @@ -18,7 +18,7 @@ module.exports = {
  'eslint:recommended',
  ],
  parserOptions: {
  - ecmaVersion: 2015,
  + ecmaVersion: 2017,
  sourceType: 'module',
  },
  overrides: [
  @@ -457,7 +457,13 @@ module.exports = {
  'arrow-spacing': ['error', { before: true, after: true }],
  // require trailing commas in multiline object literals
  - 'comma-dangle': ['error', 'always-multiline'],
  + 'comma-dangle': ['error', {
  + arrays: 'always-multiline',
  + objects: 'always-multiline',
  + imports: 'always-multiline',
  + exports: 'always-multiline',
  + functions: 'never',
  + }],
  // disallow duplicate module imports
  'no-duplicate-imports': 'error',
  