are there any problems with implementation of this custom input web component:

index.html
index.js
components/input/input.js
components/input/input.scss

- index.html
```html
<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>

  <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
  <script type="module" src="./index.js"></script>

  <style>
    html,
    body {
      min-height: 100%;
      background-color: #333;
      color: #ccc;
      font-family: sans-serif;
    }
  </style>
</head>

<body>
  <p>OK</p>

  <p>
    <x-input type="text" label="Test" placeholder="Test input" value="a"></x-input>
    <x-input type="text" placeholder="Test input" value="b" readonly></x-input>
  </p>

  <!--   <p>
    <custom-select>
      <option value="1">1</option>
      <option value="2">2</option>
    </custom-select>
  </p> -->

</body>

</html>
```

- index.js
```js
import { XInput } from './components/input/input.js';
customElements.define('x-input', XInput);

let input = document.querySelector('x-input');

setTimeout(() => {
  // input.value = 'test 2';
  // $('x-input').attr('type', 'password');
}, 4000);

input.addEventListener('change', e => {
  console.log(e.detail.value);
});

$('x-input').on('input', e => {
  console.log(e.originalEvent.detail.value);
});

// $(document).on('input', 'x-input', e => {
//   console.log(e.originalEvent.detail.value);
// });

// $(document).on('change', 'x-input', e => {
//   console.log(e.originalEvent.detail.value);
// });
```

- components/input/input.js
```js
export class XInput extends HTMLElement {

  #connected = false;
  #type = 'text';
  #placeholder = '';
  #value = '';
  #label = '';
  #disabled = false;
  #readonly = false;
  //consider also 'required' and 'pattern' attributes

  constructor() {
    super();
    this.attachShadow({ mode: 'open' });
    this.#type = this.getAttribute('type') || 'text';
    this.#placeholder = this.getAttribute('placeholder') || '';
    this.#value = this.getAttribute('value') ?? '';
    this.#label = this.getAttribute('label') ?? '';
    this.#disabled = this.hasAttribute('disabled');
    this.#readonly = this.hasAttribute('readonly');
  }

  get value() {
    return this.#connected ? this.shadowRoot.querySelector('input').value : this.#value;
  }

  set value(val) {
    if (this.#connected) {
      this.shadowRoot.querySelector('input').value = val;
      this.dispatchBubbledEvent('change', val);
    }
    this.#value = val;
  }

  get disabled() {
    return this.#disabled;
  }

  set disabled(val) {
    this.#disabled = Boolean(val);
    if (this.#connected) {
      this.shadowRoot.querySelector('input').disabled = this.#disabled;
    }
    if (this.#disabled) {
      this.setAttribute('disabled', '');
    } else {
      this.removeAttribute('disabled');
    }
  }

  get readonly() {
    return this.#readonly;
  }

  set readonly(val) {
    this.#readonly = Boolean(val);
    if (this.#connected) {
      this.shadowRoot.querySelector('input').readOnly = this.#readonly;
    }
    if (this.#readonly) {
      this.setAttribute('readonly', '');
    } else {
      this.removeAttribute('readonly');
    }
  }

  dispatchBubbledEvent(eventType, data) {
    if (!this.#connected)
      return;
    this.dispatchEvent(new CustomEvent(eventType, {
      bubbles: true,
      composed: true,
      detail: { value: data }
    }));
  }

  #handleChange = (e) => {
    this.#value = e.target.value;
    this.dispatchBubbledEvent('change', this.#value);
  }

  #handleInput = (e) => {
    e.stopPropagation();
    this.#value = e.target.value;
    this.dispatchBubbledEvent('input', this.#value);
  }

  static template(o) {
    return `
    <link rel="stylesheet" href="./components/input/input.min.css">
    ${o.#label && `<label><span>${o.#label}</span>`}
      <input type="${o.#type}" placeholder="${o.#placeholder}" value="${o.#value}" ${o.#disabled && 'disabled'} ${o.#readonly && 'readonly'} />
    ${o.#label && `</label>`}
  `;
  }

  connectedCallback() {
    this.shadowRoot.innerHTML = XInput.template(this);
    const input = this.shadowRoot.querySelector('input');
    input.addEventListener('change', this.#handleChange);
    input.addEventListener('input', this.#handleInput);
    this.#connected = true;
  }

  disconnectedCallback() {
    const input = this.shadowRoot.querySelector('input');
    input.removeEventListener('change', this.#handleChange);
    input.removeEventListener('input', this.#handleInput);
    this.#connected = false;
  }

  static get observedAttributes() {
    return ['type', 'placeholder', 'value', 'disabled'];
  }

  attributeChangedCallback(name, oldValue, newValue) {
    switch (name) {
      case 'type':
        this.#type = newValue;
        if (this.#connected) {
          this.shadowRoot.querySelector('input').type = newValue;
        }
        break;
      case 'placeholder':
        this.#placeholder = newValue;
        if (this.#connected) {
          this.shadowRoot.querySelector('input').placeholder = newValue;
        }
        break;
      case 'value':
        this.value = newValue;
        break;
      case 'disabled':
        this.#disabled = this.hasAttribute('disabled');
        if (this.#connected) {
          this.shadowRoot.querySelector('input').disabled = this.#disabled;
        }
        break;
      case 'readonly':
        this.#readonly = this.hasAttribute('readonly');
        if (this.#connected) {
          this.shadowRoot.querySelector('input').readOnly = this.#readonly;
        }
        break;
    }
  }
}
```

- components/input/input.scss
```scss
*,
*:before,
*:after {
  box-sizing: border-box;
}

:host {
  display: inline-block;

  label {
    display: inline-block;

    input {
      display: block;
    }
  }

  // * {
  //   font-family: var(--ff, sans-serif);
  //   font-size: var(--fz, 1rem);
  //   font-weight: var(--fw, 400);
  //   line-height: 1;
  // }
}

```