Express Validator

Installation

## npm
npm i @ajoelp/express-validator

## yarn
yarn add @ajoelp/express-validator

Usage

import express from 'express';
import {body, query, params, validationResponseMiddleware} from '@ajoelp/express-validator'

const app = express();

app.get(
    '/',
    [
        query({
            'search': ['required', 'string'],
        }),
        params({
            'userId': ['required', 'number'],
        }),
        body({
            'email': ['required', 'email'],
            'password': ['required', { type: 'string', message: 'This needs to be a string'}],
        }),
        validationResponseMiddleware,
        (req, res) => res.send()
    ]
)

// express app setup...

Rules

| Rule | Rule String | Rule Object | | ------------ | ----------- | ---------------------------------------------------------------------------------------------------------------- | | RequiredRule | required | { type: 'required', message: 'This is the message'} | | StringRule | string | { type: 'string', message: 'This is the message'} | | NumberRule | number | { type: 'number', message: 'This is the message'} | | MinRule | | { type: 'min', value: 3, message: 'This is the message'} | | MaxRule | | { type: 'max', value: 4, message: 'This is the message'} | | BooleanRule | boolean | { type: 'boolean', message: 'This is the message'} | | EmailRule | email | { type: 'email', regex: new RegExp(), message: 'This is the message'} | | DateRule | date | { type: 'date', message: 'This is the message'} | | NullableRule | nullable | | | CustomRule | | { type: 'custom', rule: (value: string, request: Request) => Promise<boolean>, message: 'This is the message'} |