!README.md

Check binary size generated by bun compile

How to Use

git clone "https://gist.github.com/371c1c782c2b885d2765ac2143670ecb.git" "./bun-compile-size"
sh ./bun-compile-size/exec.sh
less "./bun-compile-size/$(ls -1 "./bun-compile-size" | sort | grep -E "^_log-.*\.md$" | tail -n 1)"

Links

• Bun v1.1.5 | Bun Blog
• Bun 1.1.5でクロスコンパイルが可能に。LinuxでWindows対応の実行ファイルなどビルド － Publickey (Japanese)

.gitignore

dist/**

_log-20240502-082012.md

Log: 2024-05-02T08:20:12+09:00

Bun Version

$ bun --version
1.1.6

linux-x64

Log

  [20ms]  bundle  1 modules
   [5ms] compile  ./dist/linux-x64 bun-linux-x64-v1.1.6

Binary Size

94,843,655 Bytes

linux-arm64

Log

   [1ms]  bundle  1 modules
   [3ms] compile  ./dist/linux-arm64 bun-linux-aarch64-v1.1.6

Binary Size

90,205,769 Bytes

windows-x64

Log

   [1ms]  bundle  1 modules
   [6ms] compile  ./dist/windows-x64.exe bun-windows-x64-v1.1.6

Binary Size

101,636,897 Bytes

darwin-arm64

Log

   [1ms]  bundle  1 modules
 [148ms] compile  ./dist/darwin-arm64

Binary Size

53,017,954 Bytes

exec.sh

THIS_DIR="$(cd $(dirname $0); pwd)"
cd "${THIS_DIR}"
LOG_FILE="${THIS_DIR}/_log-$(date +"%Y%m%d-%H%M%S").md"

export TZ="Asia/Tokyo"
NOW="$(date +"%Y-%m-%dT%H:%M:%S+09:00")"
printf "# Log: %s\n\n" "${NOW}" | tee -a "${LOG_FILE}"
printf "## Bun Version\n\n\`\`\`shell\n$ bun --version\n%s\n\`\`\`\n\n" "$(bun --version)" | tee -a "${LOG_FILE}"

TARGETS=("linux-x64" "linux-arm64" "windows-x64" "darwin-arm64")

for target in "${TARGETS[@]}"; do
  printf "## %s\n\n" "${target}" | tee -a "${LOG_FILE}"
  printf "### Log\n\n\`\`\`\n" | tee -a "${LOG_FILE}"
  bun build --compile --outfile="./dist/${target}" --target="bun-${target}" ./sample.ts 2>&1 | tee -a "${LOG_FILE}"
  printf "\`\`\`\n\n" | tee -a "${LOG_FILE}"
  printf "### Binary Size\n\n" | tee -a "${LOG_FILE}"
  EXTENSION="$((echo "${target}" | grep "^windows" >/dev/null 2>&1) && printf ".exe" || printf "")"
  echo "./dist/${target}${EXTENSION}"
  printf "\`%'d\` Bytes\n\n" "$(wc -c < "./dist/${target}${EXTENSION}")" | tee -a "${LOG_FILE}"
done

sample.ts

const main = async (): Promise<void> => {
  console.log("Waiting 1 second");
  await new Promise((resolve) => setTimeout(resolve, 1000));
  console.log("Hello, World!");
};

main();