Convert chrome tab link to footnote link format and copy

main.js

(function() {
  class MarkdownSyntax {
    static getFootNote({ identifier, content }) {
      return `${identifier}: ${content}`;
    }

    static getLink({ title, url }) {
      return `[${title}](${url})`;
    }
  }

  function copy(text) {
    const textArea = document.createElement('textarea');
    textArea.value = text;
    document.body.appendChild(textArea);
    textArea.select();
    document.execCommand('Copy');
    textArea.remove();
  }

  function main() {
    const title = document.title;
    const titleWithoutSpace = title.replaceAll(/\s/g, '');
    
    const url = decodeURI(location.href);

    const targetPath = location.pathname
      .split('/')
      .at(-1)
      .replace('.html', '');

    const siteName = location.hostname
      .replace(/(.+)\.\w+$/, '$1')
      .replaceAll('.', '_');

    const footnoteLinkByUrlPath = MarkdownSyntax.getFootNote({
      identifier: `[^${targetPath}_${siteName}]`,
      content: MarkdownSyntax.getLink({ title, url })
    });
    const footnoteLinkByTitle = MarkdownSyntax.getFootNote({
      identifier: `[^${titleWithoutSpace}_${siteName}]`,
      content: MarkdownSyntax.getLink({ title, url })
    });
    // copy(`${footnoteLinkByUrlPath}\n${footnoteLinkByTitle}`);
    copy(footnoteLinkByTitle);
  }

  main();
})();