Narven
11/18/2016 - 6:14 PM

Aurelia confirm password validation demo

Aurelia confirm password validation demo

app.html
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<template>
  <form submit.delegate="submit()" novalidate autocomplete="off">
    <!--<ul><li repeat.for="error of controller.errors">${error.message}</li></ul>-->

    <div class="form-group">
      <label class="control-label" for="password">Password</label>
      <input type="password" class="form-control" id="password" placeholder="Password"
             value.bind="password & validate"
             change.delegate="confirmPassword = ''">
    </div>

    <div class="form-group">
      <label class="control-label" for="confirmPassword">Confirm Password</label>
      <input type="password" class="form-control" id="confirmPassword" placeholder="Confirm Password"
             value.bind="confirmPassword & validate">
    </div>


    <button type="submit" class="btn btn-primary">Submit</button>
  </form>
</template>
app.js
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import {inject} from 'aurelia-dependency-injection';
import {
  ValidationControllerFactory,
  ValidationController,
  ValidationRules
} from 'aurelia-validation';
import {BootstrapFormRenderer} from './bootstrap-form-renderer';

@inject(ValidationControllerFactory)
export class App {
  password = '';
  confirmPassword = '';
  controller = null;
  
  constructor(controllerFactory) {
    this.controller = controllerFactory.createForCurrentScope();
    this.controller.addRenderer(new BootstrapFormRenderer());
  }
  
  submit() {
    this.controller.validate();
  }
}

ValidationRules.customRule(
  'matchesProperty',
  (value, obj, otherPropertyName) => 
    value === null
    || value === undefined
    || value === ''
    || obj[otherPropertyName] === null
    || obj[otherPropertyName] === undefined
    || obj[otherPropertyName] === ''
    || value === obj[otherPropertyName],
  '${$displayName} must match ${$getDisplayName($config.otherPropertyName)}',
  otherPropertyName => ({ otherPropertyName })
);


ValidationRules
  .ensure(a => a.password)
    .required()
  .ensure(a => a.confirmPassword)
    .required()
    .satisfiesRule('matchesProperty', 'password')
  .on(App);
bootstrap-form-renderer.js
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import {
  ValidationRenderer,
  RenderInstruction,
  ValidationError
} from 'aurelia-validation';

export class BootstrapFormRenderer {
  render(instruction) {
    for (let { error, elements } of instruction.unrender) {
      for (let element of elements) {
        this.remove(element, error);
      }
    }

    for (let { error, elements } of instruction.render) {
      for (let element of elements) {
        this.add(element, error);
      }
    }
  }

  add(element, error) {
    const formGroup = element.closest('.form-group');
    if (!formGroup) {
      return;
    }

    // add the has-error class to the enclosing form-group div
    formGroup.classList.add('has-error');

    // add help-block
    const message = document.createElement('span');
    message.className = 'help-block validation-message';
    message.textContent = error.message;
    message.id = `validation-message-${error.id}`;
    formGroup.appendChild(message);
  }

  remove(element, error) {
    const formGroup = element.closest('.form-group');
    if (!formGroup) {
      return;
    }

    // remove help-block
    const message = formGroup.querySelector(`#validation-message-${error.id}`);
    if (message) {
      formGroup.removeChild(message);

      // remove the has-error class from the enclosing form-group div
      if (formGroup.querySelectorAll('.help-block.validation-message').length === 0) {
        formGroup.classList.remove('has-error');
      }
    }
  }
}
index.html
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<!doctype html>
<html>
  <head>
    <title>Aurelia</title>
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-1q8mTJOASx8j1Au+a5WDVnPi2lkFfwwEAa8hDDdjZlpLegxhjVME1fgjWPGmkzs7" crossorigin="anonymous">
  </head>
  <body aurelia-app="main" class="container">
    <h1>Loading...</h1>
    
    <script src="https://jdanyow.github.io/rjs-bundle/node_modules/requirejs/require.js"></script>
    <script src="https://jdanyow.github.io/rjs-bundle/config.js"></script>
    <script src="https://jdanyow.github.io/rjs-bundle/bundles/aurelia.js"></script>
    <script src="https://jdanyow.github.io/rjs-bundle/bundles/babel.js"></script>
    <script>
      require(['aurelia-bootstrapper']);
    </script>
  </body>
</html>
main.js
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export function configure(aurelia) {
  aurelia.use
    .standardConfiguration()
    .developmentLogging()
    .plugin('aurelia-validation');

  aurelia.start().then(() => aurelia.setRoot());
}