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npm_typed

Typed npm library bindings(40+) for js backend

js
npm
react
ai
ffi
moon add mizchi/npm_typed@0.1.15
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0.1.15
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MIT
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#mizchi/npm_typed

Typed npm package bindings for MoonBit, built on top of mizchi/js.

Inspired by DefinitelyTyped - the repository for high quality TypeScript type definitions. This project aims to be the MoonBit equivalent, providing type-safe FFI bindings for popular npm packages.

Note: These bindings require installing the corresponding npm packages.

# Example: Install React dependencies
npm install react react-dom

# Example: Install Hono
npm install hono

#Installation

moon add mizchi/js
moon add mizchi/npm_typed

Add to your moon.pkg.json:

{
  "import": [
    "mizchi/js",
    "mizchi/js/core",
    "mizchi/npm_typed/react",
    "mizchi/npm_typed/hono"
  ]
}

#Available Packages

#UI Frameworks

PackagenpmStatusNote
reactreact🧪 TestedCore React API
react_element-🧪 TestedTyped HTML elements for React
react_domreact-dom🧪 TestedReact DOM
react_dom_clientreact-dom/client🧪 TestedClient-side rendering
react_dom_serverreact-dom/server🧪 TestedServer-side rendering
react_dom_staticreact-dom/static🤖 AI GeneratedStatic rendering
react_routerreact-router🧪 TestedClient-side routing
testing_library_react@testing-library/react🧪 TestedReact testing utilities
preactpreact🧪 TestedLightweight React alternative
testing_library_preact@testing-library/preact🤖 AI GeneratedPreact testing utilities
inkink🧪 TestedReact for CLI apps
ink_ui@inkjs/ui🧪 TestedInk UI components

#Web Frameworks

PackagenpmStatusNote
honohono🧪 TestedFast web framework, middleware support
better_authbetter-auth🤖 AI GeneratedAuthentication library
helmethelmet🧪 TestedSecurity headers middleware

#AI / LLM

PackagenpmStatusNote
aiai (Vercel AI SDK)🧪 TestedAI/LLM integration
modelcontextprotocol@modelcontextprotocol/sdk🧪 TestedMCP server/client
claude_code@anthropic-ai/claude-code🤖 AI GeneratedClaude Code SDK

#Cloud Services

PackagenpmStatusNote
client_s3@aws-sdk/client-s3🧪 TestedS3-compatible storage (AWS, GCS, R2, MinIO)

#Database

PackagenpmStatusNote
pglite@electric-sql/pglite🧪 TestedEmbedded PostgreSQL
duckdb@duckdb/duckdb-wasm🤖 AI GeneratedAnalytical database
drizzledrizzle-orm🤖 AI GeneratedTypeScript ORM (see limitations)
pgpg🤖 AI GeneratedPostgreSQL client

#Validation / Schema

PackagenpmStatusNote
zodzod🧪 TestedSchema validation
ajvajv🧪 TestedJSON Schema validator

#Build Tools

PackagenpmStatusNote
terserterser🧪 TestedJavaScript minifier
vitevite🧪 TestedNext-gen build tool
unpluginunplugin🤖 AI GeneratedUnified plugin system
lighthouselighthouse🤖 AI GeneratedWeb performance auditing
esbuildesbuild🧪 TestedFast bundler
oxc_minifyoxc-minify🧪 TestedOxc minifier

#Utilities

PackagenpmStatusNote
date_fnsdate-fns🧪 TestedDate manipulation
semversemver🧪 TestedSemantic versioning
chalkchalk🧪 TestedTerminal styling
colorettecolorette🧪 TestedTerminal colors
dotenvdotenv🧪 TestedEnvironment variables
chokidarchokidar🧪 TestedFile watching
yargsyargs🤖 AI GeneratedCLI argument parsing
debugdebug🤖 AI GeneratedDebug logging
josejose🧪 TestedJWT/JWE/JWS
comlinkcomlink🤖 AI GeneratedWeb Worker RPC
simple_gitsimple-git🤖 AI GeneratedGit operations
ignoreignore🤖 AI Generated.gitignore parsing
memfsmemfs🧪 TestedIn-memory file system
minimatchminimatch🧪 TestedGlob matching
execaexeca🧪 TestedProcess execution
pinopino🧪 TestedFast logging
magic_stringmagic-string🧪 TestedString manipulation

#Testing / Development

PackagenpmStatusNote
vitestvitest🚧 PartialTest runner
puppeteerpuppeteer🧪 TestedBrowser automation
playwrightplaywright🧪 TestedBrowser automation
playwright_test@playwright/test🤖 AI GeneratedPlaywright test framework
jsdomjsdom🧪 TestedDOM implementation
happy_domhappy-dom🧪 TestedFast DOM implementation
global_jsdomglobal-jsdom🧪 TestedJSDOM for testing
testing_library@testing-library/dom🧪 TestedDOM testing utilities
mswmsw🧪 TestedMock Service Worker
ink_testing_libraryink-testing-library🧪 TestedInk testing utilities

#Parsing

PackagenpmStatusNote
htmlparser2htmlparser2🧪 TestedHTML/XML parser
js_yamljs-yaml🤖 AI GeneratedYAML parser
source_mapsource-map🧪 TestedSource map utilities
error_stack_parsererror-stack-parser🧪 TestedStack trace parsing

#Status Legend

  • 🧪 Tested: Comprehensive test coverage
  • 🚧 Partial: Core functionality implemented
  • 🤖 AI Generated: Needs testing

#Can't find your library?

You can easily add new bindings with AI assistance:

./_scripts/new-library.sh <package_name>

See CONTRIBUTING.md for details. Most bindings in this repository were generated with AI agents.

#Quick Start

#React Example

// moon.pkg.json: import mizchi/npm_typed/react, mizchi/npm_typed/react_element

fn counter(_props : Unit) -> @react.Element {
  let (count, set_count) = @react.useState(0)
  @react_element.div([
    @react_element.span(["Count: \{count}"]),
    @react_element.button(on_click=fn(_) { set_count(count + 1) }, ["+"]),
  ])
}

#Hono Example

// moon.pkg.json: import mizchi/npm_typed/hono

async fn main {
  let app : @hono.Hono[@core.Any, @core.Any] = @hono.Hono::new()
  app.get("/", fn(c) { c.text("Hello, Hono!") }) |> ignore
}

#Zod Example

// moon.pkg.json: import mizchi/npm_typed/zod

fn main {
  let user_schema = @zod.object({
    "name": @zod.string(),
    "age": @zod.number().int(),
  })
  let data = @core.new_object()
  data["name"] = @core.any("Alice")
  data["age"] = @core.any(30)
  match user_schema.safeParse(data) {
    Ok(_) => println("Valid!")
    Err(_) => println("Invalid!")
  }
}

#Requirements

This package requires:

  • MoonBit nightly 2025-12-09 or later for ESM #module directive support
  • mizchi/js v0.9.0 or later as a peer dependency

#Related Projects

#LICENSE

MIT

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