Byethrow

Handle errors elegantly with Result types - no more throwing exceptions

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Reference the byethrow documentation to understand and use the Result type library for error handling in JavaScript/TypeScript. Access detailed API references, practical usage examples, and best practice guides.

error-handling result-type typescript javascript functional-programming tree-shakable documentation cli-tools
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User Prompt

Show me how to use byethrow's Result type to handle API calls without throwing exceptions

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Agent Response

Comprehensive guide with code examples showing how to wrap fallible operations in Result types and handle success/error cases

Quick Start (3 Steps)

Get up and running in minutes

1

Install

claude-code skill install byethrow

claude-code skill install byethrow
2

Config

3

First Trigger

@byethrow help

Commands

CommandDescriptionRequired Args
@byethrow learn-result-type-fundamentalsGet started with byethrow's Result type pattern for error handlingNone
@byethrow search-specific-api-methodsFind detailed documentation for specific byethrow methods and utilitiesNone
@byethrow migration-from-try-catchLearn how to refactor existing error handling code to use Result typesNone

Typical Use Cases

Learn Result Type Fundamentals

Get started with byethrow's Result type pattern for error handling

Search Specific API Methods

Find detailed documentation for specific byethrow methods and utilities

Migration from Try-Catch

Learn how to refactor existing error handling code to use Result types

Overview

About byethrow

@praha/byethrow is a lightweight, tree-shakable Result type library for handling fallible operations in JavaScript and TypeScript. It provides a simple, consistent API for managing errors and results without throwing exceptions.

For detailed API references and usage examples, refer to the documentation in node_modules/@praha/byethrow-docs/docs/**/*.md.

Documentation CLI

The byethrow documentation CLI provides commands to browse, search, and navigate documentation directly from your terminal.

list command

List all available documentation organized by sections.

1# List all documentation
2npx @praha/byethrow-docs list
3
4# List documentation with filter query
5npx @praha/byethrow-docs list --query "your query"

Options:

  • --query <string>: Filter documentation by keywords (optional)

search command

Search documentation and get matching results with highlighted snippets.

1# Search documentation
2npx @praha/byethrow-docs search "your query"
3
4# Limit number of results (default: 5)
5npx @praha/byethrow-docs search "your query" --limit 10

Arguments:

  • query: Search query string (required)

Options:

  • --limit <number>: Maximum number of results to return (default: 5)

toc command

Display table of contents from a documentation file.

1# Display table of contents from a markdown file
2npx @praha/byethrow-docs toc path/to/document.md

Arguments:

  • path: Path to the documentation file (required)

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Environment Matrix

Dependencies

Node.js (for CLI tools)
@praha/byethrow library
@praha/byethrow-docs CLI

Framework Support

JavaScript ✓ TypeScript ✓ (recommended) Tree-shakable builds ✓

Context Window

Token Usage ~1K-3K tokens for typical documentation queries

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Information

Author
ryoppippi
Updated
2026-01-30
Category
full-stack