$ yarn build
objc[84097]: Class GNotificationCenterDelegate is implemented in both /Users/shuheikagawa/work/shuhei.github.com/node_modules/canvas/build/Release/libgio-2.0.0.dylib (0x11eea96b0) and /Users/shuheikagawa/work/shuhei.github.com/node_modules/@11ty/eleventy-img/node_modules/sharp/vendor/8.12.2/darwin-x64/lib/libvips-cpp.42.dylib (0x123b6d550). One of the two will be used. Which one is undefined.
https://github.com/lovell/sharp/issues/3007