No data available not seen in table

[codecovdesign]

Problem

1. In cases that a file has no data available, this is not indicated
2. The change section either shows 0.00 and/or or a green box. However, this is not needed when there is no change or data to show.

Solution

1. In this case show "No data available" in the row:
2. Remove 0.00 and/or green box and display –

[codecovdesign]

Covered in https://codecovio.atlassian.net/browse/CODE-1042