overleaf/services/web/frontend/js/directives/equals.js

// TODO: This file was created by bulk-decaffeinate.
// Fix any style issues and re-enable lint.
/*
 * decaffeinate suggestions:
 * DS102: Remove unnecessary code created because of implicit returns
 * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
 */
import App from '../base'

export default App.directive('equals', () => ({
  require: 'ngModel',
  link(scope, elem, attrs, ctrl) {
    const firstField = `#${attrs.equals}`
    return elem.add(firstField).on('keyup', () =>
      scope.$apply(function() {
        const equal = elem.val() === $(firstField).val()
        return ctrl.$setValidity('areEqual', equal)
      })
    )
  }
}))