[英]Type for a dynamic filling object Typescript
I'm new to TypeScript and I want to try dynamic typing on one of my projects.我是 TypeScript 的新手,我想在我的一个项目上尝试动态输入。
I have an object that is initially empty but by the time it will get a structure like this:我有一个 object 最初是空的,但到时候它会得到这样的结构:
{
index: 2,
0: {
prop1: 4,
prop2: 8,
prop3: 15,
},
1: {
prop1: 4,
prop2: 8,
prop3: 15,
}
// And so on
}
I tried different approaches but nothing worked well, the last thing I tried was this type:我尝试了不同的方法,但效果不佳,我尝试的最后一件事是这种类型:
{
index: number;
[key: string]: {
prop1: number;
prop2: number;
prop3: number;
}
};
It says that I can't use this type for my objects.它说我不能将这种类型用于我的对象。
You can define that interface largely as you said you tried to, though if the dynamic keys are always numbers, you can use number
:您可以在很大程度上按照您所说的那样定义该接口,但如果动态键始终是数字,您可以使用
number
:
interface TheThing {
index: number;
[key: number]: {
prop1: number;
prop2: number;
prop3: number;
}
}
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