postbuild

#!/usr/bin/env bash
shopt -s globstar


function create_packages() {
  cat >cjs/package.json <<!EOF
{
  "type": "commonjs"
}
!EOF

  cat >esm/package.json <<!EOF
{
  "type": "module"
}
!EOF
}

function copy_esm_dts() {
  mkdir types
  pushd cjs || exit 1
  find . -type f -name "*.d.ts" -exec cp --parents {} ../types \;
  rm ./**/*.{d.mts,d.ts}
  popd || exit1
}

function copy_esm() {
  mv ./cjs/esm ./esm
}

function fix_esm_extensions() {
  esm="./esm"

  find "$esm" -type f -name "*.js" | while read -r file; do
    content=$(cat "$file")
    updated_content=$(echo "$content" | sed "s/import \(.*\) from '\(.*\)\.ts'/import \1 from '\2\.js'/g")
    updated_content=$(echo "$updated_content" | sed "s/export \(.*\) from '\(.*\)\.ts'/export \1 from '\2\.js'/g")
    echo "$updated_content" >"$file"
  done
}

function fix_cjs_extensions() {
  cjs="./cjs"

  find "$cjs" -type f -name "*.js" | while read -r file; do
    content=$(cat "$file")
    updated_content=$(echo "$content" | sed "s/require('\(.*\)\.ts'/require('\1\.js'/g")
    echo "$updated_content" >"$file"
  done
}

cd lib/ || exit 1
copy_esm_dts
copy_esm
create_packages
fix_cjs_extensions
fix_esm_extensions