Fen*_*nec 7 typescript nuxtjs3
我用来useFetch获取一个字符串数组string[],并可以transform选择将其从数组转换为对象。
我尝试了下面的代码:
type ReceivedData = [string, string, string];
interface TransformedData {
prop1: string,
prop2: string,
prop3: string
}
const { data, error } = await useFetch<ReceivedData>(
`./jsonPath.json`,
{
transform: ([prop1, prop2, prop3]: ReceivedData): TransformedData => ({
prop1, prop2, prop3
})
}
);
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我收到这个错误
Type '([prop1, prop2, prop3]: ReceivedData) => TransformedData' is not assignable to type '(res: ReceivedData) => ReceivedData'.
我很确定我在这里弄乱了一些东西,但是 Typescript 期望转换方法返回它接收到的相同数据类型。
目前,您可以像这样使用它:
type ReceivedData = [string, string, string]
interface TransformedData {
prop1: string
prop2: string
prop3: string
}
const transform = ([prop1, prop2, prop3]: ReceivedData): TransformedData => ({
prop1,
prop2,
prop3,
})
const { data } = await useFetch<
ReceivedData,
Error,
string,
ReceivedData,
typeof transform
>(`./jsonPath.json`, {
transform,
})
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老实说,我希望未来能够改进这一点。
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