All files / src/query/schema nullField.js

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// @flow
 
import type {Field} from './types';
import {types} from './types';
 
export default class NullField implements Field {
  key: string;
 
  constructor({key}: {key: string}) {
    this.key = key;
  }
 
  getKey() {
    return this.key;
  }
 
  exists() {
    return false;
  }
 
  getType() {
    return types.NULL;
  }
 
  forEach() {
    return;
  }
 
  getChild(fieldName: string) {
    return new NullField({key: fieldName});
  }
}