INNER CODE UNIT · TypeScript

getExt

philschmid/clipper.js · src/clipper.ts:18

const getExt = (node: any) => {
  // Simple match where the <pre> has the `highlight-source-js` tags
  const getFirstTag = (node: Element) =>
    node.outerHTML.split('>').shift()! + '>';

  const match = node.outerHTML.match(
    /(highlight-source-|language-)[a-z]+/
  );

  if (match) return match[0].split('-').pop();

  // Check the parent just in case
  const parent = getFirstTag(node.parentNode!).match(
    /(highlight-source-|language-)[a-z]+/
  );

  if (parent) return parent[0].split('-').pop();

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