错误TS2678类型“'字符串'”与角度5中的类型“”“不可比

Question

这是我在角5中的代码：

gotToWallet(wallet) {

  const { countryId = '', currencyType = '' } = wallet || {};

  let walletIdentity;

  switch (currencyType) {
    case 'CRYPTO':
      walletIdentity = 'userWalletIdentity';
     break;
    case 'FIAT':
      walletIdentity = 'fiatWalletIdentity';
     break;
    case 'ERC20TOKEN':
      walletIdentity = 'xbxUserWalletIdentity';
     break;
 }

  const { currencyId = '' } = (wallet || {})[walletIdentity] || {};
  this.router.navigate([`walletMgmt/wallet-details/${currencyId}/${countryId}`]);

}

运行ng build命令时出现以下错误：

ERROR in src/app/wallet-management/wallets/wallets.component.ts(202,12): error TS2678: Type '"CRYPTO"' is not comparable to type '""'.
src/app/wallet-management/wallets/wallets.component.ts(205,12): error TS2678: Type '"FIAT"' is not comparable to type '""'.
src/app/wallet-management/wallets/wallets.component.ts(208,12): error TS2678: Type '"ERC20TOKEN"' is not comparable to type '""'.

为什么我会收到此错误？当我运行ng serve时，代码似乎工作正常。我只是在尝试进行构建时遇到此错误。

谢谢，任何帮助将非常感谢。

Answer 1

switch (currencyType as any) {

由于某种原因（也许是打字稿版本？），当你从钱包中破坏currencyType: ''时，它被编译器解释为类型'“”而不是'string'。所以任何人都会这样做