laurigates/bun-build

/bun:build

Bundle JavaScript/TypeScript or compile to standalone executable.

When to Use This Skill

| Scenario | Use this skill | Alternative | |----------|---------------|-------------| | Quick production bundle of an entry point | Yes | N/A | | Compiling to a standalone executable | Yes | N/A | | Building for a specific target (browser/bun/node) | Yes | N/A | | Configuring complex build pipelines | No - use bun-development | Full build configuration guidance | | Running project build scripts (bun run build) | No - use bun-development | N/A |

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

Agentic Optimizations

| Context | Command | |---------|---------| | Prod bundle | bun build ./src/index.ts --outdir=dist --minify --sourcemap=external | | Compile to exe | bun build --compile --minify ./app.ts --outfile myapp | | Dev bundle | bun build ./src/index.ts --outdir=dist --sourcemap=inline | | Browser target | bun build ./src/index.ts --target=browser --outdir=dist | | Node target | bun build ./src/index.ts --target=node --outdir=dist |

Post-build

1. Report output file sizes
2. List generated files in output directory
3. For --compile: verify executable runs with ./app --help or similar