/bun:build

Bundle JavaScript/TypeScript or compile to standalone executable.

Parameters

• entry (required): Entry point file

• --compile : Create standalone executable

• --minify : Minify output

Execution

Production bundle:

bun build $ENTRY --outdir=dist --minify --sourcemap=external

Standalone executable:

bun build --compile --minify $ENTRY --outfile={{ OUTFILE | default: "app" }}

Development bundle:

bun build $ENTRY --outdir=dist --sourcemap=inline

Build Targets

Browser (default)

bun build $ENTRY --target=browser --outdir=dist

Bun runtime

bun build $ENTRY --target=bun --outdir=dist

Node.js

bun build $ENTRY --target=node --outdir=dist

Post-build

• Report output file sizes

• List generated files in output directory

• For --compile: verify executable runs with ./app --help or similar