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        <h1><a href="../index.html">All files</a> / <a href="index.html">src</a> index.jsx</h1>
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                <span class="strong">96.55% </span>
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<span class="cline-any cline-neutral">&nbsp;</span></td><td class="text"><pre class="prettyprint lang-js">import React, { useMemo } from 'react';
import PropTypes from 'prop-types';
import KaTeX from 'katex';
&nbsp;
/**
 * @typedef {import("react").ReactNode} ReactNode
 *
 *
 * @callback ErrorRenderer
 * @param {Error} error
 * @returns {ReactNode}
 *
 *
 * @typedef {object} MathComponentPropsWithMath
 * @property {string} math
 * @property {ReactNode=} children
 * @property {string=} errorColor
 * @property {ErrorRenderer=} renderError
 *
 *
 * @typedef {object} MathComponentPropsWithChildren
 * @property {string=} math
 * @property {ReactNode} children
 * @property {string=} errorColor
 * @property {ErrorRenderer=} renderError
 *
 * @typedef {MathComponentPropsWithMath | MathComponentPropsWithChildren} MathComponentProps
 */
&nbsp;
const createMathComponent = (Component, { displayMode }) =&gt; {
  /**
   *
   * @param {MathComponentProps} props
   * @returns {ReactNode}
   */
  const MathComponent = ({ children, errorColor, math, renderError }) =&gt; {
    const formula = math ?? children;
&nbsp;
    const { html, error } = useMemo(() =&gt; {
      try {
        const html = KaTeX.renderToString(formula, {
          displayMode,
          errorColor,
          throwOnError: !!renderError,
        });
&nbsp;
        return { html, error: undefined };
      } catch (error) {
        if (error instanceof KaTeX.ParseError || error instanceof TypeError) {
          return { error };
        }
&nbsp;
<span class="cstat-no" title="statement not covered" >        throw error;</span>
      }
    }, [formula, errorColor, renderError]);
&nbsp;
    if (error) {
      return renderError ? renderError(error) : &lt;Component html={`${error.message}`} /&gt;;
    }
&nbsp;
    return &lt;Component html={html} /&gt;;
  };
&nbsp;
  MathComponent.propTypes = {
    children: PropTypes.string,
    errorColor: PropTypes.string,
    math: PropTypes.string,
    renderError: PropTypes.func,
  };
&nbsp;
  return MathComponent;
};
&nbsp;
const InternalPathComponentPropTypes = {
  html: PropTypes.string.isRequired,
};
&nbsp;
const InternalBlockMath = ({ html }) =&gt; {
  return &lt;div data-testid="react-katex" dangerouslySetInnerHTML={{ __html: html }} /&gt;;
};
&nbsp;
InternalBlockMath.propTypes = InternalPathComponentPropTypes;
&nbsp;
const InternalInlineMath = ({ html }) =&gt; {
  return &lt;span data-testid="react-katex" dangerouslySetInnerHTML={{ __html: html }} /&gt;;
};
&nbsp;
InternalInlineMath.propTypes = InternalPathComponentPropTypes;
&nbsp;
export const BlockMath = createMathComponent(InternalBlockMath, { displayMode: true });
export const InlineMath = createMathComponent(InternalInlineMath, { displayMode: false });
&nbsp;</pre></td></tr></table></pre>

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