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src/components/hidden/Hidden.js

import Input from '../_classes/input/Input';

export default class HiddenComponent extends Input {
  static schema(...extend) {
    return Input.schema({
      type: 'hidden',
      tableView: false,
      inputType: 'hidden'
    }, ...extend);
  }

  static get builderInfo() {
    return {
      title: 'Hidden',
      group: 'data',
      icon: 'user-secret',
      weight: 0,
      documentation: '/userguide/#hidden',
      schema: HiddenComponent.schema()
    };
  }

  get defaultSchema() {
    return HiddenComponent.schema();
  }

  get inputInfo() {
    const info = super.elementInfo();
    info.type = 'input';
    info.attr.type = 'hidden';
    info.changeEvent = 'change';
    return info;
  }

  get skipInEmail() {
    return true;
  }

  /**
   * Check if a component is eligible for multiple validation
   *
   * @return {boolean}
   */
  validateMultiple() {
    // Since "arrays" are able to be stored in hidden components, we need to turn off multiple validation.
    return false;
  }

  labelIsHidden() {
    return true;
  }

  get emptyValue() {
    return '';
  }

  setValue(value, flags = {}) {
    return this.updateValue(value, flags);
  }

  getValue() {
    return this.dataValue;
  }
}