Merge pull request #186 from jaczhi/jaczhi/sed-build-fix

sed fix if user is on Mac

Author: zjkmxy

build-meta.bash

@@ -5,4 +5,8 @@ echo '{"revision":"'${revision}'","timestamp":'${timestamp}'}' > ./public/build-
 echo -e 'export const REVISION = '"'"${revision}"'" \
   '\n// eslint-disable-next-line @typescript-eslint/no-loss-of-precision, prettier/prettier' \
   '\nexport const TIMESTAMP = '${timestamp} > ./src/build-meta.ts
-sed -i -r 's/([^ \t]+)[ \t]+$/\1/' ./src/build-meta.ts
+if [ "$(uname -s)" = "Darwin" ]; then
+  sed -E -i '' -r 's/([^ \t]+)[ \t]+$/\1/' ./src/build-meta.ts
+else
+  sed -i -r 's/([^ \t]+)[ \t]+$/\1/' ./src/build-meta.ts
+fi