zod-fetch 中文文档教程
Zod Fetch
zod-fetch
是一个简单的 API,用于使用 Zod 构建类型和运行时安全的获取器函数模式。
用法
使用默认的 fetcher
您可以使用 createZodFetcher
创建一个 fetcher:
import { z } from "zod";
import { createZodFetcher } from "zod-fetcher";
const fetchWithZod = createZodFetcher();
fetchWithZod(
// The schema you want to validate with
z.object({
hello: "world",
}),
// Any parameters you would usually pass to fetch
"/my-api",
).then((res) => {
console.log(res);
// ^? { hello: string }
});
如果您没有将 fetcher 传递给 createZodFetcher
,它会使用一个合理的默认 fetcher(使用 fetch
API)来抓取所需的数据。
使用自定义提取器
您可以将自定义提取器传递给 zod-fetcher:
import { z } from "zod";
import { createZodFetcher } from "zod-fetcher";
import axios from "axios";
const fetchWithZod = createZodFetcher(axios.get);
fetchWithZod(
z.object({
data: z.object({
name: z.string(),
}),
}),
"/user",
{
params: {
id: 12345,
},
},
).then((res) => {
console.log(res);
// ^? { data: { name: string } }
});
为什么会存在这个?
对于想要将运行时安全性与获取器(一种极其常见的用例)结合起来的团队,您通常有一个选择:
- 使用大型、包罗万象的解决方案,例如 tRPC
- 自行破解一些东西,
我希望这个小型 API 为希望弥合这一差距的团队提供了一个很好的折衷方案。或者,至少提供了一些漂亮的示例代码,您可以将其复制并粘贴到您的项目中。
Zod Fetch
zod-fetch
is a simple API for building a type and runtime-safe fetcher function using Zod schemas.
Usage
Using the default fetcher
You can create a fetcher using createZodFetcher
:
import { z } from "zod";
import { createZodFetcher } from "zod-fetcher";
const fetchWithZod = createZodFetcher();
fetchWithZod(
// The schema you want to validate with
z.object({
hello: "world",
}),
// Any parameters you would usually pass to fetch
"/my-api",
).then((res) => {
console.log(res);
// ^? { hello: string }
});
If you don't pass a fetcher to createZodFetcher
, it uses a sensible default fetcher (using the fetch
API) to grab the data needed.
Using a custom fetcher
You can pass custom fetchers to zod-fetcher
:
import { z } from "zod";
import { createZodFetcher } from "zod-fetcher";
import axios from "axios";
const fetchWithZod = createZodFetcher(axios.get);
fetchWithZod(
z.object({
data: z.object({
name: z.string(),
}),
}),
"/user",
{
params: {
id: 12345,
},
},
).then((res) => {
console.log(res);
// ^? { data: { name: string } }
});
Why does this exist?
For teams that want to combine runtime-safety with a fetcher (an extremely common use case), you often have a choice:
- Use a big, all-encompassing solution like tRPC
- Hack something together on your own
I hope that this small API offers a nice compromise for teams looking to bridge that gap. Or, at least, offers some pretty example code you can copy-and-paste into your projects.
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