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如何在 TypeScript 中使用命名参数重载 function?

[英]How do I overload a function with named parameters in TypeScript?

我有一个 function,我希望能够传递正常的 arguments 和关键字(命名)arguments。但是,每当我尝试进行重载时,我都会收到错误消息。

我尝试以这种方式重载 function:

function myFunc({name, surname, age}: myFuncParams): string;
function myFunc(name: string, surname?: string, age?: number): string;
function myFunc(nameOrObj: string | myFuncParams, surname?: string, age?: number): string {
// do something and return a string
  return ""
};

在哪里:

interface myFuncParams {
  name: string,
  surname?: string,
  age?: number
}

当然,这是对更复杂的情况的简化; 但是这里的想法是能够传递姓名和年龄,例如; 无需移动姓氏或执行以下操作:

myFunc("Foo", null, 111);

只是在做:

myFunc({name:"Foo", age:111});

我收到以下错误:

function myFunc({name, surname?, age?}: myFuncParams): string;
//        ^: This overload signature is not compatible with its implementation signature. (2394)
function myFunc(name: string, surname?: string, age?: number): string;
function myFunc(nameOrObj: string | myFuncParams, surname?: string, age?: number): string {
// do something and return a string
  return ""
};

Typescript 游乐场链接

编辑:正如@jonrsharpe 指出的那样:

function myFunc({name, surname, age}: myFuncParams): string;
function myFunc(name: string, surname?: string, age?: number): string;
function myFunc(nameOrObj: string | myFuncParams,surname?: string,age?: number): string {
  return ""
};

忘记在最终声明中将姓氏和年龄标记为可选。

试试这个方法

function myFunc(opts: myFuncParams): string;
function myFunc(name: string, surname?: string, age?: number): string;
function myFunc(nameOrObj: string | myFuncParams, surname?: string, age?: number): string {
// do something and return a string
  return ""
};

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