SyntaxError: Unexpected token 'export' ❯ src/markdown/headings-plugin.js:1:15 Module /home/runner/work/saber/saber/packages/@alterjs/saber/src/utils/slugo.js:31 seems to be an ES Module but shipped in a CommonJS package. To fix this issue, change the file extension to .mjs or add "type": "module" in your package.json.