59 lines
1.2 KiB
Markdown
59 lines
1.2 KiB
Markdown
# Class-validator middleware for Hono
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[](https://codecov.io/github/honojs/middleware)
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The validator middleware using [class-validator](https://github.com/typestack/class-validator) for [Hono](https://github.com/honojs/hono) applications.
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## Usage
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```ts
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import { classValidator } from '@hono/class-validator'
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import { IsInt, IsString } from 'class-validator'
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class CreateUserDto {
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@IsString()
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name!: string
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@IsInt()
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age!: number
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}
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const route = app.post('/user', classValidator('json', CreateUserDto), (c) => {
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const user = c.req.valid('json')
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return c.json({ success: true, message: `${user.name} is ${user.age}` })
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})
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```
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With hook:
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```ts
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import { classValidator } from '@hono/class-validator'
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import { IsInt, IsString } from 'class-validator'
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class CreateUserDto {
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@IsString()
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name!: string
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@IsInt()
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age!: number
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}
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app.post(
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'/user',
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classValidator('json', CreateUserDto, (result, c) => {
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if (!result.success) {
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return c.text('Invalid!', 400)
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}
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})
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//...
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)
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```
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## Author
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**Pr0m3ht3us** - https://github.com/pr0m3th3usex
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## License
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MIT
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