Koa Joi Validate Middleware

Validate middleware generator using Joi

Easily create Koa middleware for validate with Joi.

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Install

$ npm i koa-joi-validate-middleware

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Usage

Import

const validateMiddleware = require('koa-joi-validate-middleware');

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Create Validate Middleware

const schema = {
  // Request headers Joi validation object
  headers: Joi.obejct({
  }),

  // URL query string Joi validation object
  query: Joi.obejct({
  }),

  // URL path parameters Joi validation object
  params: Joi.obejct({
    id: Joi.string().required(),
  }).required(),

  // POST body Joi validation object
  body: Joi.obejct({
  }),
};

const validator = validateMiddleware.create(schema, errorCallback);

errorCallback

function errorCallback(ctx, error) {
}

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Use Validate Middleware

router.get('/user', validator, async (ctx) => {
  const { id } = ctx.params;
  const response = await getUserInfo(id);
  ctx.body = response;
});