Script to run in browser dev-mode when on label edit page for a github repo

set_github_labels.js

[
  {
    'name': 'bug',
    'color': 'd63230',
    'desc': 'Does not work (according to specification)'
  },
  {
    'name': 'improvement',
    'color': '39a9db',
    'desc': 'improvement - neither bug nor new feature'
  },
  {
    'name': 'feature',
    'color': '1c77c3',
    'desc': 'new feature'
  },
  {
    'name': 'maint',
    'color': '40bcd8',
    'desc': 'maintenance'
  },
  {
    'name': 'wontfix',
    'color': '000000',
    'desc': 'will not be worked on'
  },
  {
    'name': 'invalid',
    'color': '000000',
    'desc': 'faulty / incomplete'
  },
  {
    'name': 'duplicate',
    'color': '000000',
    'desc': 'duplicate of ticket or PR'
  },
  {
    'name': 'cannot reproduce',
    'color': '000000',
    'desc': 'the described issue cannot be reproduced'
  },
  {
    'name': 'docs',
    'color': 'cccccc',
    'desc': 'only affects documentation or comments'
  },
  {
    'name': 'task',
    'color': 'ecf8f8',
    'desc': 'will not result in merged code'
  },
  {
    'name': 'ACCEPTED',
    'color': 'efeceb',
    'desc': 'triaged - accepted, not yet ready for engineering'
  },
  {
    'name': 'BLOCKED',
    'color': 'f39237',
    'desc': 'waiting on decision / input from assignee'
  },
  {
    'name': 'ENGINEERING',
    'color': 'eee4e1',
    'desc': 'ready for engineering'
  },
  {
    'name': 'MERGING',
    'color': 'e7d8c9',
    'desc': 'in process of being merged'
  },
  {
    'name': 'TESTING',
    'color': 'e6beae',
    'desc': 'in process of being tested'
  },
  {
    'name': 'RESOLVED',
    'color': 'b2967d',
    'desc': 'issue verified to have been released'
  }

].forEach(function(label) {
  addLabel(label)
})

function updateLabel (label) {
  var flag = false;
  [].slice.call(document.querySelectorAll('.labels-list-item'))
  .forEach(function(element) {
    if (element.querySelector('.label-link').textContent.trim() === label.name) {
      flag = true
      element.querySelector('.js-edit-label').click()
      element.querySelector('.js-new-label-name-input').value = label.name
      element.querySelector('.js-new-label-description-input').value = label.desc
      element.querySelector('.js-new-label-color-input').value = '#' + label.color
      element.querySelector('.js-edit-label-cancel ~ .btn-primary').click()
    }
  })
  return flag
}

function addNewLabel (label) {
  document.querySelector('.js-new-label-name-input').value = label.name
  document.querySelector('.js-new-label-description-input').value = label.desc
  document.querySelector('.js-new-label-color-input').value = '#' + label.color
  document.querySelector('.js-details-target ~ .btn-primary').disabled = false
  document.querySelector('.js-details-target ~ .btn-primary').click()
}

function addLabel (label) {
  if (!updateLabel(label)) addNewLabel(label)
}