mkdir test
cd test
mkdir -p code dest src/a/b
touch src/a/b/foo.txt
cd code
npm i cpy-cli@6.0.0
npx cpy '../src/a/b/foo.txt' '../dest'
cd ..
find . -path "*/node_modules" -prune -o -print

# Before fix
.
./code
./code/package-lock.json
./code/package.json
./dest <- empty dest :(
./src
./src/a
./src/a/b
./src/a/b/foo.txt

# After fix
.
./code
./code/package-lock.json
./code/package.json
./dest
./dest/foo.txt <- exactly where I want it
./src
./src/a
./src/a/b
./src/a/b/foo.txt