function getInlineHighlights()

in beta/src/components/MDX/CodeBlock/CodeBlock.tsx [132:165]

• 33 lines of code
• 5 McCabe index (conditional complexity)

function getInlineHighlights(metastring: string, code: string) {
  const INLINE_HIGHT_REGEX = /(\[\[.*\]\])/;
  const parsedMetastring = INLINE_HIGHT_REGEX.exec(metastring);
  if (!parsedMetastring) {
    return [];
  }

  const lines = code.split('\n');
  const encodedHiglights = JSON.parse(parsedMetastring[1]);
  return encodedHiglights.map(([step, lineNo, substr, fromIndex]: any[]) => {
    const line = lines[lineNo - 1];
    let index = line.indexOf(substr);
    const lastIndex = line.lastIndexOf(substr);
    if (index !== lastIndex) {
      if (fromIndex === undefined) {
        throw Error(
          "Found '" +
            substr +
            "' twice. Specify fromIndex as the fourth value in the tuple."
        );
      }
      index = line.indexOf(substr, fromIndex);
    }
    if (index === -1) {
      throw Error("Could not find: '" + substr + "'");
    }
    return {
      step,
      line: lineNo,
      startColumn: index,
      endColumn: index + substr.length,
    };
  });
}