Description

React native text input component with label and defined validation rules.

Install

npm i -S viachani-validator

Usage

import React from 'react';
import {StyleSheet, Text, View} from 'react-native';
import Viachani from "viachani-validator";

export default class App extends React.Component {
    constructor(props) {
        super(props);
        this.state = {
            name: '',
            surname: '',
            email: '',
            dob: '',
            errorMsg: {
                alphanumeric: 'must be alphanumeric value',
                numeric: 'must be numeric value',
                required: 'required field',
                minLength: 'required min characters',
                maxLength: 'must be max characters',
                email: 'invalid email format',
                datedmy: 'invalid dd.mm.yyyy format'
            }

        }
    }

    render() {
        return (
            <View style={styles.container}>
                <Viachani label={'Name:'}
                          placeholder={'name'}
                          value={this.state.name}
                          myOnChageText={text => {
                              this.setState({name: text})
                          }}
                          textfieldStyles={styles.text}
                          rules={['alphanumeric', {maxLength: 10}, 'required']}
                          error={this.state.errorMsg}
                />
                <Viachani label={'Surname:'}
                          editable={false}
                          placeholder={'surname'}
                          value={this.state.surname}
                          myOnChageText={text => {
                              this.setState({surname: text})
                          }}
                          textfieldStyles={styles.text}
                          rules={['alphanumeric', {maxLength: 10}, {minLength: 3}, 'required']}
                          error={this.state.errorMsg}
                />
                <Viachani label={'DOB:'}
                          placeholder={'dd.mm.yyyy'}
                          value={this.state.dob}
                          myOnChageText={text => {
                              this.setState({dob: text})
                          }}
                          numKeyboard={true}
                          textfieldStyles={styles.text}
                          rules={['datedmy', {maxLength: 10}, 'required']}
                          error={this.state.errorMsg}
                />
                <Viachani label={'Email:'}
                          placeholder={'sample@mail.com'}
                          value={this.state.email}
                          myOnChageText={text => {
                              this.setState({email: text})
                          }}
                          textfieldStyles={styles.text}
                          rules={[{maxLength: 20}, 'email']}
                          error={this.state.errorMsg}
                />
            </View>
        );
    }
}

const styles = StyleSheet.create({
    container: {
        flex: 1,
        alignItems: 'center',
        paddingTop: 30
    },
    exp: {
        width: 90,
        fontSize: 16,
        fontWeight: '300',
        color: 'black',
        marginRight: 10,
        height: 30,
        paddingVertical: 3
    },
    text: {
        backgroundColor: '#E5E7E9'
    }
});

Supported Validation Rules

• Alphanumeric
• Numeric
• minLength
• maxLength
• Date
• Empty string

Validators

Rule	Description
datedmy	check if the string is a date format. It accepts dd.mm.yyy dd-mm-yyy and dd/mm/yyyy format.
alphaumeric	check if the string is an alphanumeric value.
email	check if the string is an email.
numeric	check if the string is an numeric value.
minLength	check if string is at least x characters long.
maxLength	check if string contains maximum x characters.
required	check if string is empty.

Props

Name	Type	Default	Required	Description
label	string	null	yes	set component label.
placeholder	string	null	no	set placeholder text.
editable	boolean	yes	no	make component editable.
value	string	null	yes	set component value.
numKeyboard	boolean	false	no	set numeric keyboard.
myOnChageText	func		yes	set state value on change.
textfieldStyles	array	null	no	custom text filed styling.
rules	array	null	no	set validation rules.
error	array		yes	set custom error message.

License

MIT

The MIT License

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Keywords