Zegnat / ts-exceljs-issue-1988

https://github.com/exceljs/exceljs/issues/1988

Reproduction Issue #1988

See the bug report over at the ExcelJS repository: Type for CellHyperlinkValue is wrong, sometimes has nested CellRichTextValue.

To run

npm install --production
npm start
# > start
# > ts-node issue-1988.ts
# 
# string
# object