eggjs-validate

A validate middleware for egg.js

Install

$ npm i eggjs-validate --save

Usage

1.Create a middleware file app/middleware/validator.js

'use strict';

module.exports = require('eggjs-validate');

2.Open a middleware in config/config.default.js

config.middleware = [
    'validator'
];

3.Add rules to app/rules/

// app/rules/user.js

"use strict";

module.exports = {
  getUserInfo: {
    id: {
      required: true,
      message: 'id不能为空'
    }
  }
}

// app/rules/news.js

"use strict";

module.exports = {
  addNews: {
    link: [
      {
        required: true,
        message: 'link不能为空'
      },
      {
        type: 'string',
        message: 'link 必须为是链接',
        validator: (rule, value) => {
          return rules.isURL(value);
        },
      },
    ]
  }
}

4.Use in app/controller/user.js

    const { body } = this.ctx.request
    try {
      ...
      await this.ctx.validator('user.getUserInfo', body)
      ...
    }catch (e) {
      this.ctx.body = {
        message: e.message
      }
    }

Api

type

• string: Must be of type string. This is the default type.
• number: Must be of type number.
• boolean: Must be of type boolean.
• method: Must be of type function.
• regexp: Must be an instance of RegExp or a string that does not generate an exception when creating a new RegExp.
• integer: Must be of type number and an integer.
• float: Must be of type number and a floating point number.
• array: Must be an array as determined by Array.isArray.
• object: Must be of type object and not Array.isArray.
• enum: Value must exist in the enum.
• date: Value must be valid as determined by Date
• url: Must be of type url.
• hex: Must be of type hex.
• email: Must be of type email.
• any: Can be any type.

message

error message.

asyncValidator

Asynchronous check.

{
        type: 'string',
        message: 'link 必须为是链接',
        asyncValidator: async(rule, value) => {
          const res = await request.get(...)
          ...
          return true
        },
},

validator

Synchronous check.

Rules

Please refer to https://www.npmjs.com/package/validator

License

Everything is MIT.