Getting TypeError [ERR_UNKNOWN_FILE_EXTENSION]: Unknown file extension ".ts"

[swati-patro]

While running "clip.test.ts" file, getting error like "TypeError [ERR_UNKNOWN_FILE_EXTENSION]: Unknown file extension ".ts"" but other ts file working fine. Only having issue when i tried to run clip test case

[ortoniKC]

I believe u have installed the clipboardy package

[swati-patro]

yes installed, using command "npm install clipboardy -D" but still I am getting this issue