The kll.template() method in the KLL framework is a convenient tool for retrieving the HTML content of a template, which can then be utilized within a controller. This functionality is especially useful when you need to dynamically insert or manipulate HTML templates based on the state or user interactions in your application.

How kll.template() Works

The kll.template() method allows you to access the HTML of a predefined template by its identifier. Once retrieved, this HTML can be used within a controller to dynamically render or update parts of your UI. This approach promotes reusability and separation of concerns, as HTML templates are kept separate from your JavaScript logic.

Example Scenario

Imagine you have a template for displaying user information and you want to dynamically render this template within a specific part of your webpage based on user interactions or state changes.

HTML Template (userTemplate.html):

<template id="userTemplate">
  <div>
    <h2>User Profile</h2>
    <p>Name: <!-- User Name Here --></p>
    <p>Email: <!-- User Email Here --></p>
  </div>
</template>

In your controller, you can use kll.template() to retrieve this template and insert it into the DOM with dynamic data.

Controller (userController.js):

export const userController = {
  async onSomeEvent(state) {
    const userTemplateHtml = kll.template('userTemplate');
    // Assuming you have a method to replace placeholders with actual data
    const filledTemplate = fillTemplateWithData(userTemplateHtml, state.userData);
    document.getElementById('userProfileContainer').innerHTML = filledTemplate;
  },
  // Other methods...
};

In this example:

• kll.template('userTemplate') retrieves the HTML content of the userTemplate.
• fillTemplateWithData() is a hypothetical function that replaces placeholders in the template with actual user data from the state.
• The filled template is then inserted into the DOM, specifically within an element with the ID userProfileContainer.

By using kll.template(), you can efficiently manage and reuse HTML templates, keeping your application's UI dynamic and responsive to state changes. This method bridges the gap between static HTML templates and dynamic JavaScript logic, enhancing the flexibility and maintainability of your code.