Reproduction project

Reproduction

Actually

pip install -r requirements.txt
make clean html dirhtml revealjs dirrevealjs

Expects

pip install -r requirements.txt
pip install git+https://github.com/attakei/sphinxext-opengraph@support-dirhtml-extends
make clean html dirhtml revealjs dirrevealjs

Result

og:url patterns

builder	index.rst	sample.rst
html	/index.html	/sample.html	Right
dirhtml	/	/sample/	Right
revealjs	/index.html	/sample.html	Right
dirrevealjs	/index.html	/sample.html	Wrong