JS / TS switch in docs does not change file extension

[coder-do]

What docs page needs to be fixed?

• Section:
• Page:

What is the problem?

chrome_uKNRmiTP5r.mp4

chrome_A3EgCoEHPE.mp4

What should be changed to fix the problem?

Switching between JS/TS file extension to .js and .ts does not change as expected.

[timdorr]

This is actually a bug in remark-typescript-tools: https://github.com/phryneas/remark-typescript-tools