https://github.com/gotwarlost/istanbul/blob/master/coverage.json.md <img width="1105" alt="Image" src="https://github.com/user-attachments/assets/99ba92ff-2894-4f42-8500-b03e945253af" /> https://github.com/istanbuljs/v8-to-istanbul/blob/master/lib/v8-to-istanbul.js#L267-L269 <img width="679" alt="Image" src="https://github.com/user-attachments/assets/e23ce278-9b88-412f-a899-589cb2f249fd" /> According to the toIstanbul method, I found that the data generated by the getInnerIstanbul function does not contain line data. generate result： <img width="823" alt="Image" src="https://github.com/user-attachments/assets/3ff35666-cc53-4a8e-9d90-cac2a4fe007c" />
https://github.com/gotwarlost/istanbul/blob/master/coverage.json.md
https://github.com/istanbuljs/v8-to-istanbul/blob/master/lib/v8-to-istanbul.js#L267-L269
According to the toIstanbul method, I found that the data generated by the getInnerIstanbul function does not contain line data.
generate result：