react-fitty/dist/react-fitty.cjs.development.js


'use strict';

Object.defineProperty(exports, '__esModule', { value: true });

function _interopDefault (ex) { return (ex && (typeof ex === 'object') && 'default' in ex) ? ex['default'] : ex; }

var React = _interopDefault(require('react'));
var fitty = _interopDefault(require('fitty'));

const fullWidth = {
  width: '100%'
}; // todo support style and className on Wrapper(root div) and Ref div
// one solution could be adding style prop for root and another styleProp to ref

/**
 * Snugly resizes text to fit its parent container width
 */

const ReactFitty = /*#__PURE__*/React.forwardRef(function ReactFitty({
  children,
  minSize = 12,
  maxSize = 512,
  wrapText = false,
  ...rest
}, ref) {
  const internalRef = React.useRef(null);
  /**
   * Need to use the correct ref because the component ref can contain a className that dynamically
   * change the text size
   */

  const correctRef = ref || internalRef;
  React.useLayoutEffect(() => {
    const effectRef = ref || internalRef;
    const fitInstance = fitty(effectRef.current, {
      minSize: minSize,
      maxSize: maxSize,
      multiLine: wrapText,
      observeMutations: {
        subtree: true,
        childList: true,
        characterData: true,
        attributeFilter: ['class']
      }
    }); // wait browser finish text width calc with relative properties like rem and %
    // then, fit text in the next animation frame
    // maybe that needed to be handled in fitty?

    setTimeout(() => {
      fitInstance.fit();
    }, 0);
    return () => {
      fitty(effectRef.current).unsubscribe();
    };
  }, []); // fitty need an extra div to avoid parent padding issue
  // see https://github.com/rikschennink/fitty/issues/20

  return React.createElement("div", {
    style: fullWidth
  }, React.createElement("div", Object.assign({}, rest, {
    ref: correctRef
  }), children));
});

exports.ReactFitty = ReactFitty;
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