@transferwise/neptune-validation/src/event-validators/isKey.ts

Neptune Web validation

import { keyMap } from '../common/keyMap';
import { isArray } from '../type-validators';

const isKey = ({ keyType, event }: { keyType?: string; event?: Partial<KeyboardEvent> | null }) => {
  if (!keyType || !event) {
    return false;
  }

  const upperCaseKeyType = keyType.toUpperCase();
  if (!Object.hasOwn(keyMap, upperCaseKeyType)) {
    return false;
  }
  const keyDef = keyMap[upperCaseKeyType as keyof typeof keyMap];

  const { key, keyCode } = event;

  if (key) {
    return isArray(keyDef.key) ? keyDef.key.includes(key) : key === keyDef.key;
  }

  return keyCode === keyDef.keyCode;
};

export default isKey;