old_contents: module.exports = {
    rules: {
      // disallow trailing commas in object literals
      'comma-dangle': [2, 'never'],
      // require function expressions to have a name
      'func-names': 0,
      // require or disallow use of semicolons instead of ASI
      'semi': [2, 'never'],
      // require or disallow space before function opening parenthesis
      'space-before-function-paren': [2, 'never'],
      // require or disallow Yoda conditions
      'yoda': [2, 'never']
    }
  }
  
new_contents: module.exports = {
    rules: {
      // require trailing comma in multilines
      'comma-dangle': [2, 'always-multiline'],
      // require function expressions to have a name
      'func-names': 0,
      // require or disallow use of semicolons instead of ASI
      'semi': [2, 'never'],
      // require or disallow space before function opening parenthesis
      'space-before-function-paren': [2, 'never'],
      // require or disallow Yoda conditions
      'yoda': [2, 'never']
    }
  }
  
subject: Change comma-dangle to always-multiline