react-highlight-popover

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react-highlight-popover

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🫧 A headless react component for creating popovers on text selection with zero dependencies.

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# @omsimos/react-highlight-popover

A customizable, headless React component for creating popovers on text selection, with zero dependencies.

![React Highlight Popover](https://github.com/user-attachments/assets/d9bff2f4-e7aa-4374-9273-d1f0a3c744bb)

## Features

- 🎯 Easy-to-use React component with zero dependencies
- 🧠 Headless component for maximum flexibility
- 🎨 Fully customizable popover content and styling
- 🎭 Smooth rendering with minimal re-renders
- 📏 Configurable minimum selection length
- 🖱️ Automatic positioning based on text selection
- 🎛️ Customizable offset for adjusting popover position
- 🔄 Event callbacks for selection and popover lifecycle
- 🔌 Extensible architecture for advanced use cases

## Installation

Add the package using your package manager:

```sh
npm i @omsimos/react-highlight-popover
```

## Usage

Here's a basic example of how to use the `HighlightPopover` component:

```jsx
import { HighlightPopover } from '@omsimos/react-highlight-popover';

function App() {
  const renderPopover = ({ selection }) => (
    <div className="bg-white border rounded p-2 shadow-lg select-none">
      You selected: {selection}
    </div>
  );

return (
    <HighlightPopover renderPopover={renderPopover}>
      <p>
        This is a sample text. Try selecting some words to see the popover in action.
      </p>
    </HighlightPopover>
  );
}

export default App;
```

## API

### `HighlightPopover` Props

| Prop | Type | Default | Description |
|------|------|---------|-------------|
| `children` | `React.ReactNode` | (required) | The content where text selection will trigger the popover |
| `renderPopover` | `(props: { position: Position, selection: string }) => React.ReactNode` | (required) | Function to render the popover content |
| `className` | `string` | `''` | Additional CSS class for the wrapper element |
| `offset` | `{ x?: number, y?: number }` | `{ x: 0, y: 0 }` | Offset for adjusting popover position |
| `zIndex` | `number` | `40` | The z-index of the popover |
| `alignment` | `'left'` \| `'center'` \| `'right'` | `'center'` | Alignment of the popover relative to the selected text |
| `minSelectionLength` | `number` | `1` | Minimum length of text selection to trigger the popover |
| `onSelectionStart` | `() => void` | `undefined` | Callback fired when text selection starts |
| `onSelectionEnd` | `(selection: string) => void` | `undefined` | Callback fired when text selection ends |
| `onPopoverShow` | `() => void` | `undefined` | Callback fired when the popover is shown |
| `onPopoverHide` | `() => void` | `undefined` | Callback fired when the popover is hidden |

### `useHighlightPopover` Hook

The `useHighlightPopover` hook can be used to access the internal state of the `HighlightPopover` component. It returns an object with the following properties:

- `showPopover`: `boolean` - Indicates whether the popover is currently visible
- `setShowPopover`: `(show: boolean) => void` - Function to manually control popover visibility
- `popoverPosition`: `{ top: number, left: number }` - Current position of the popover
- `currentSelection`: `string` - Currently selected text
- `setCurrentSelection`: `(selection: string) => void` - Function to manually update the current selection

## Advanced Example

Here's a more advanced example demonstrating custom styling and event handling:

```jsx
import { HighlightPopover, useHighlightPopover } from '@omsimos/react-highlight-popover';

function CustomPopover() {
  const { currentSelection, setShowPopover } = useHighlightPopover();
  
  return (
    <div className="bg-white border rounded-md p-2 shadow-lg select-none">
      <p>You selected: {currentSelection}</p>
      <button className="font-semibold" onClick={() => setShowPopover(false)}>Close</button>
    </div>
  );
}

function App() {
  const handleSelectionStart = () => console.log('Selection started');
  const handleSelectionEnd = (selection) => console.log('Selected:', selection);
  const handlePopoverShow = () => console.log('Popover shown');
  const handlePopoverHide = () => console.log('Popover hidden');

return (
    <HighlightPopover
      renderPopover={() => <CustomPopover />}
      offset={{ x: 0, y: -10 }}
      minSelectionLength={5}
      onSelectionStart={handleSelectionStart}
      onSelectionEnd={handleSelectionEnd}
      onPopoverShow={handlePopoverShow}
      onPopoverHide={handlePopoverHide}
    >
      <p>
        This is a more advanced example. Try selecting at least five characters
        to see the custom popover with a close button.
      </p>
    </HighlightPopover>
  );
}

export default App;
```

## Contributing
Contributions are welcome! Please feel free to submit a pull request, we appreciate your interest and look forward to collaborating with you. If you like this project, please consider giving it a star! ✨

## License
This project is licensed under the [MIT License](LICENSE)

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