perf(gatsby-plugin-mdx): Stop clobbering the same file over and over again (#27974)#28874

Merged

gatsbybot merged 1 commit intorelease/2.30from backport-2.30-27974

Jan 5, 2021

+12

Commits on Jan 5, 2021

perf(gatsby-plugin-mdx): Stop clobbering the same file over and over again (#27974 )

pvdz
authored and
vladar
committed