The summary of ‘Fluent UI React Trainings: Core concepts, state management & Triggers API’

This summary of the video was created by an AI. It might contain some inaccuracies.

00:00:0000:21:41

The video focuses on enhancing working efficiency with Fluent React Vine by explaining core principles of Fluent components. It delves into topics like slots for customization, controlled and uncontrolled components, state management, and JSX Corrections in React v9. Demonstrations show how to use these concepts effectively, with examples of integrating custom components and managing state within the Fluent UI framework. The video emphasizes the importance of understanding these concepts for creating functional and versatile components, showcasing their flexibility and composability.

00:00:00

In this segment of the video, the instructor introduces the goal of the course to explain core principles of Fluent React Vine and enhance working efficiency with Fluent components. They explain that code demos are available on Stblitz for forking or download, each example includes a summary or tasks for quick reference. The demonstration begins with comparing a native button in React to a Fluent UI button, highlighting that Fluent components align with HTML semantics and behaviors. The example shows how Fluent UI button supports additional features like icons while maintaining HTML-like properties. It is emphasized that Fluent components inherit and behave similar to HTML elements, including supporting common event handlers like in HTML buttons.

00:03:00

In this part of the video, the speaker discusses the concept of slots in a string to button component. They explain that slots allow for customization of components by passing objects, attributes like “aria-hidden,” and class names. The video demonstrates the use of slots in passing an onClick handler, showing how slots are powerful and flexible in customizing Fluent components. The video also touches on the difference between controlled and uncontrolled components in React, highlighting that slots can be efficiently used to control the state of components. The speaker emphasizes that slots can be applied not only in button components but also in various other components throughout Fluent UI, illustrating their versatility and usefulness.

00:06:00

In this segment of the video, the speaker discusses the difference between using uncontrolled components with a default value and controlled components in React. For uncontrolled components with a default value, you can predefine the field’s initial value using the prop “defaultValue.” On the other hand, controlled components use the “value” prop and require managing the state of the component using the useState hook. Changes to the input value are controlled using the “onChange” event handler. An example of a simple feature implemented with controlled components is demonstrated, showing how the state is updated and reflected in the input field. The use of controlled components with React V9 components introduces consistency and functionality across different component types.

00:09:00

In this segment of the video, the main points discussed are about the input components and their controlled and uncontrolled nature in React. It explains how components like popovers can be controlled or uncontrolled based on state management. The video elaborates on state updates handling callbacks for controlled components, showcasing how data is passed back as a second argument during these updates. The concept of controlled and uncontrolled components in the context of popovers, triggers, and utility components is highlighted, emphasizing their functionality and purpose in managing state and behaviors. The example provided demonstrates the relationship between state control and component triggering within the React framework.

00:12:00

In this segment of the video, the speaker explains using a popover pattern that opens when a button is clicked. The popover surface contains the content and is controlled using State hooks. They show how the pattern allows for consistent control of the component state and how it can be customized, for example, by adding a cross button inside the popover to close it when clicked. The controlled pattern demonstrated in the example showcases the ability to manage the state of components effectively. They then introduce using custom triggers or components as triggers to enhance the functionality of the popover.

00:15:00

In this segment of the video, the speaker demonstrates the process of replacing an existing HTML button with a custom popover button in React. They note the importance of tweaking custom components by spreading props, passing ref, and refactoring for ref forwarding using the forwardRef API from React. The video covers fixing TypeScript errors, ensuring prop types are in place, and successfully using the new custom button component with various appearances like primary. The key takeaway is that for custom components that are not Fluent components, it’s crucial to ensure passing trigger forwards ref and spreading props to make components like popovers, menus, or dialogs work correctly.

00:18:00

In this segment of the video, the speaker discusses JSX Corrections in Fluent React v9 compared to previous versions. In v9, JSX is used instead of props.items for defining menu items, providing more flexibility and better performance. Menu components like trigger, popover, and list follow the same pattern. With JSX elements, users can compose menu items with custom text, group items, and implement additional state interactions efficiently. Data can be structured from the backend and rendered like any other React component by mapping through the items. The use of keys for arrays is also emphasized. Overall, the flexibility and performance improvements of JSX Corrections in Fluent React v9 are highlighted through practical examples.

00:21:00

In this part of the video, the speaker discusses adding a new element to a collection, emphasizing the flexibility and composability of JX collections. It allows for component composition as desired rather than based solely on API specifications. The speaker recommends watching another video with their team to explore the workings behind GSX collections, slots, and triggers in more detail.

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