Function validateQuery

Creates a middleware, that validates the data of the 'query' property inside the 'request' object with the help of a joi schema.

See

https://www.npmjs.com/package/joi

Example

import assert from 'assert'
import createServer, { IHttpRequest, IHttpResponse, query, schema, validateQuery } from '@egomobile/http-server'

const myQuerySchema = schema.object({
  offset: schema.string().strict().regex(/^([0-9]){1,}$/).required(),
  limit: joi.string().strict().regex(/^([0-9]){1,}$/).optional()
})

const app = createServer()

app.get('/', [query(), validateQuery(myQuerySchema)], (request, response) => {
  assert.strictEqual(typeof request.query!.get('offset'), 'string')
  assert.strictEqual(isNaN(request.query!.get('offset')), false)

  if (request.query!.get('limit')) {
    assert.strictEqual(typeof request.query!.get('limit'), 'string')
    assert.strictEqual(isNaN(request.query!.get('limit')), false)
  }
})

// ...
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