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use-truncate-from-middle

v1.2.0

Published

React hook which dynamically calculates the maximum number of characters that fit into an HTML element and truncates the text from middle with given middle chars.

Downloads

2,520

Readme

Truncate From Middle Hook

This react hook dynamically truncates text from the middle

Demo

🚀 See Demo:

Installation

yarn add use-truncate-from-middle

or

npm install use-truncate-from-middle

Usage

import { useTruncateFromMiddle } from 'use-truncate-from-middle';
const Textarea = ({
  originalLongText = 'very long longer text button',
  width = '128px', // width (total)= content width + border width + padding
  font = '18px/18px Arial, sans-serif',
}) => {
  const btnRef = React.useRef(null);

  const { truncatedText, contentWidth } = useTruncateFromMiddle({
    ref: btnRef,
    originalText: originalLongText || '',
    middleChars: '...',
  });

  return (
    <>
      <textarea
        ref={btnRef}
        rows={1}
        style={{ width: width, font: font }}
        value={truncatedText}
        readOnly
      />
    </>
  );
};

Props

| Prop | Type | Description | Default | | -------------- | -------- | ----------------------------------------------------------------------------------------------------------------- | ------- | | originalText | String | Initial text value of the component. It is going to be truncated from middle if necessary. | '' | | middleChars | String | The ellipsis to use when the text is truncated from middle. | '...' | | ref | Object | The ref of the text container component.It is required to calculate component's width and to get its font style | null |