ms Vanilla validator

• a simple Javascript plugin developed in Vanilla Js to provide form validation
• it support min, max, minleangh, maxlength, pattern and matching values validation
• this plugin depend on HTML form attrs, it read form and inputs attr to generate the validators in runtime
• it support Chrome, Firefox, Safari and Eadge browsers
• it require Bootstrap v5.2.3 css only

Installation

$ npm install ms-validator

OR

$ yarn add ms-validator

Code Blocks

Form Tag require novalidate and name attr

<form class="p-5" method="get" novalidate name="example_form"></form>

Inputs require name and validators attr

<input 
  class="form-control inputForm" 
  type="text" 
  name="INPUT_NAME" 
  required="required"
  min="MIN_NUMBER" <!-- in case number input -->
  max="MAX_NUMBER" <!-- in case number input -->
  minlength="MIN_LENGTH" <!-- in case text input or textarea -->
  maxlength="MAX_LENGTH" <!-- in case text input or textarea -->
  pattern="REGEX" 
  <!-- in case text input or textareamatching input pass the matching input id  -->
  matchingId="MATCHING_INPUT_ID"  
/>

Javascript　

window.onload = function () {
    new Validate({
        form: document.forms.example_form,
        autoSubmit: true,
        callback: function (form) {
            console.log(form)
        }
    });
};

Matching Validation example

<div class="col-6">
    <div class="form-group">
        <label class="form-text" for="password"> Password </label>

        <input class="form-control inputForm" type="password" name="password" id="password"
            required="required" />

        <div class="valid-feedback error" id="password-error">
            <span id="password-error_required" class="d-none">password_error_req</span>
        </div>
    </div>
</div>
<div class="col-6">
    <div class="form-group">
        <label class="form-text" for="password">
            Confirm Password
        </label>

        <input class="form-control inputForm" type="password" name="confirm_password"
            id="confirm_password" required="required" matchingId="password" />

        <div class="valid-feedback error" id="confirm_password-error">
            <span id="confirm_password-error_required"
                class="d-none">confirm_password_error_req</span>
            <span id="confirm_password-error_matching"
                class="d-none">confirm_password_error_matching</span>
        </div>
    </div>
</div>

Textarea Example

<div class="col-12">
    <div class="form-group">
        <label class="form-text" for="text">
            Text
        </label>

        <textarea 
          class="form-control inputForm"  
          name="text" id="text"   
          required="required" 
          minlength="10"  
          maxlength="20"> 
        </textarea>

        <div class="valid-feedback error" id="text-error">
            <span id="text-error_required" class="d-none">text_error_req</span>
            <span id="text-error_minlength" class="d-none">text_error_minlength</span>
            <span id="text-error_maxlength" class="d-none">text_error_maxlength</span>
        </div>
    </div>
</div>

Group Example to validate at least one added value

<div class="row">
    <div class="col-12">Group 1</div>
    <div class="col-4 mb-3">
        <div class="form-group">
            <label class="form-text" for="option_1">option 1</label>
            <input class="form-control inputForm" type="text" name="option_1" id="option_1"
                group="1" minlength="5" />

            <div class="valid-feedback error" id="option_1-error">
                <span id="option_1-error_required" class="d-none">option_1_error_req</span>
                <span id="option_1-error_minlength" class="d-none">option_1_error_minlength</span>
            </div>
        </div>
    </div>

    <div class="col-4 mb-3">
        <div class="form-group">
            <label class="form-text" for="option_2">option 2</label>
            <input class="form-control inputForm" type="text" name="option_2" id="option_2"
                group="1" minlength="5" />

            <div class="valid-feedback error" id="option_2-error">
                <span id="option_2-error_required" class="d-none">option_2_error_req</span>
                <span id="option_2-error_minlength" class="d-none">option_2_error_minlength</span>
            </div>
        </div>
    </div>

    <div class="col-4 mb-3">
        <div class="form-group">
            <label class="form-text" for="option_3">option 3</label>
            <input class="form-control inputForm" type="text" name="option_3" id="option_3"
                group="1" minlength="5" />

            <div class="valid-feedback error" id="option_3-error">
                <span id="option_3-error_required" class="d-none">option_3_error_req</span>
                <span id="option_3-error_minlength" class="d-none">option_3_error_minlength</span>
            </div>
        </div>
    </div>

    <div class="valid-feedback error" id="group_1-error">
        <span id="group_1-error_required" class="d-none">add at least one of group_1values</span>
    </div>
</div>

| Paramater | Description | Type | | :---: | :---: | :---: | | form | the form selector | String | | autoSubmit | a boolean paramater to allow plugin from autosubmition | Boolean | | callback | a callback function to be excuted after validation is done to return validation results and allow you from sumit an ajax request in case autoSubmit is false | Function |

GITHUb

https://github.com/Moustafa2719/ms_vanilla_validator