https://github.com/fatmatto/express-ajv

Express middleware that helps validating user input with AJV library
https://github.com/fatmatto/express-ajv

ajv api express express-ajv json-schema middleware nodejs validation

Last synced: 1 day ago
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Express middleware that helps validating user input with AJV library

• Host: GitHub
• URL: https://github.com/fatmatto/express-ajv
• Owner: fatmatto
• License: mit
• Created: 2018-03-30T07:01:27.000Z (almost 7 years ago)
• Default Branch: master
• Last Pushed: 2024-06-17T07:15:45.000Z (7 months ago)
• Last Synced: 2025-01-15T14:06:04.327Z (12 days ago)
• Topics: ajv, api, express, express-ajv, json-schema, middleware, nodejs, validation
• Language: JavaScript
• Homepage:
• Size: 224 KB
• Stars: 9
• Watchers: 3
• Forks: 1
• Open Issues: 1
• Metadata Files:
  • Readme: README.md
  • Changelog: CHANGELOG.md
  • License: LICENSE

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# express-ajv

Express middleware that helps validating user input

## What

A simple middleware for your expressjs routes that accepts JSON schemas and uses AJV under the hood to validate request payload (querystring, body, headers and params)

## Why

* Express validator is good for websites imho, not complex apis

* JSON schema is good and can model anything in your project, this is good for orgs where you have multiple services

* AJV is fast and it just works

## How?

`npm i express-ajv-middleware`

```javascript

const { validateRoute } = require('express-ajv-middleware')

// setup your express app

const validatePostFoo = validateRoute({

   body: {

        type: 'object',

        properties: {

            'bar': { type: 'integer' },

            'baz': { type: 'string' }

        },

        required: ['bar']

   }

})

app.post('/foo', validatePostFoo, (req,res,next) => {

    // Do your thing here

})

```