Function getLeadParagraph

site/thumbnail.ts:13–14

(markdown: string)

  markdown.replace(/^\s*\n+/, '');

const getLeadParagraph = (markdown: string): string =>
  removeLeadingWhitespace(markdown).split('\n\n')[0] ?? '';

const IMAGE_MARKDOWN =
  /!\[([^\]]*)\]\(\s*([^) \t\r\n]+)\s*(?:(?:"([^"]*)"|'([^']*)'))?\s*\)/;