Since multiple empty lines is virtually unused in the code-base, and the few cases that do exist look like "typos", let's enforce greater consistency here; please see https://eslint.org/docs/rules/no-multiple-empty-lines.
This is the PDF.js project output, https://github.com/mozilla/pdf.js Current extension version is: PDFJSSCRIPT_VERSION Taken from upstream commit: PDFJSSCRIPT_COMMIT