bun-script
Use when writing a TypeScript script with Bun. Covers the template, conventions, and required patterns.
What this skill does
## Template Start from the template at [`assets/template.ts`](assets/template.ts). Copy it exactly and fill in the specific logic. ## Conventions - File: `<name>.ts` with kebab-case (e.g., `extract-pr-number.ts`) - Make the file executable (`chmod +x`) - Flag-based arguments using `--flag-name` (kebab-case). Only use positional args for very simple cases. - Variable names use camelCase (`outputDirectory`, not `output_directory`) - Full variable names (`directory`, not `dir`) - Exit `0` for success, `1` for errors - stdout for primary output, stderr for errors/warnings/progress messages ## Required patterns - `#!/usr/bin/env bun` shebang - Use `cleye` for argument parsing (auto-generates `--help` and separates unknown flags into `argv.unknownFlags`) - All error messages must start with `Error: ` and go to stderr via `console.error` - Invalid options must print `Error: The option --<option> is invalid.` - Validate required flags with explicit checks (cleye does not enforce required flags) - Use `argv.showHelp()` to print help after error messages - `process.exit(1)` on error
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