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Developer experience to love

Develop with an open, thought‑out API

One of our main goals is to provide the best possible developer experience. We provides a fully-typed API. All plugins share a similar API, creating a consistent and predictable experience.

// Whether it's a regular string, or complex JSON, just return the value

import { Application } from "@teakit/core";



const app = new Application()

  .get("/", () => "Hello World")

  .get("/json", () => ({

    hello: "world",

  }))

  .listen(3000);
// Whether it's a regular string, or complex JSON, just return the value

import { Application } from "@teakit/core";



const app = new Application()

  .get("/", () => "Hello World")

  .get("/json", () => ({

    hello: "world",

  }))

  .listen(3000);

Just Function

No need for an additional method, just return the value to send data back to the client.

// Infers types to TypeScript automatically

import { Application, t } from "@teakit/core";



const app = new Application()

  .post("/profile", ({ body }) => body, {

    body: t.Object({

      username: t.String(),

    }),

  })

  .listen(3000);
// Infers types to TypeScript automatically

import { Application, t } from "@teakit/core";



const app = new Application()

  .post("/profile", ({ body }) => body, {

    body: t.Object({

      username: t.String(),

    }),

  })

  .listen(3000);

Type Safety

Enforces type-strict validation to ensure type integrity by default.

// Can generate Swagger in one line with the docs plugin.

import { Application } from "@teakit/core";

import { pluginDocs } from "@teakit/plugin-docs";

import { feed, users } from "./controllers";



const app = new Application()

  .use(pluginDocs())

  .use(users)

  .use(feed)

  .get("/", () => "hi")

  .listen(3000);
// Can generate Swagger in one line with the docs plugin.

import { Application } from "@teakit/core";

import { pluginDocs } from "@teakit/plugin-docs";

import { feed, users } from "./controllers";



const app = new Application()

  .use(pluginDocs())

  .use(users)

  .use(feed)

  .get("/", () => "hi")

  .listen(3000);

OpenAPI

Generates OpenAPI 3.0 specs automatically to integrate with various tools across multiple languages.

// Synchronize types across all applications.

import { Application, t } from "@teakit/core";



// server.ts

const app = new Application()

  .patch("/user/age", ({ body }) => signIn(body), {

    body: t.Object({

      name: t.String(),

      age: t.Number(),

    }),

  })

  .listen(80);

export type App = typeof app;



// client.ts

import { edenTreaty } from "@teakit/eden";

import type { App } from "server";



const eden = edenTreaty<App>("http://localhost");

await eden.user.age.patch({

  name: "saltyaom",

  age: "21",

});

// Synchronize types across all applications.

import { Application, t } from "@teakit/core";



// server.ts

const app = new Application()

  .patch("/user/age", ({ body }) => signIn(body), {

    body: t.Object({

      name: t.String(),

      age: t.Number(),

    }),

  })

  .listen(80);

export type App = typeof app;



// client.ts

import { edenTreaty } from "@teakit/eden";

import type { App } from "server";



const eden = edenTreaty<App>("http://localhost");

await eden.user.age.patch({

  name: "saltyaom",

  age: "21",

});

End–to-End Type Safety

Synchronize types across all applications.

MyComponent.jsx
// Whether it's a regular string, or complex JSON, just return the value

import { Application } from "@teakit/core";



const app = new Application()

  .get("/", () => "Hello World")

  .get("/json", () => ({

    hello: "world",

  }))

  .listen(3000);



// Infers types to TypeScript automatically

import { Application, t } from "@teakit/core";



const app = new Application()

  .post("/profile", ({ body }) => body, {

    body: t.Object({

      username: t.String(),

    }),

  })

  .listen(3000);



// Can generate Swagger in one line with the docs plugin.

import { Application } from "@teakit/core";

import { pluginDocs } from "@teakit/plugin-docs";

import { feed, users } from "./controllers";



const app = new Application()

  .use(pluginDocs())

  .use(users)

  .use(feed)

  .get("/", () => "hi")

  .listen(3000);



// Synchronize types across all applications.

import { Application, t } from "@teakit/core";



// server.ts

const app = new Application()

  .patch("/user/age", ({ body }) => signIn(body), {

    body: t.Object({

      name: t.String(),

      age: t.Number(),

    }),

  })

  .listen(80);

export type App = typeof app;



// client.ts

import { edenTreaty } from "@teakit/eden";

import type { App } from "server";



const eden = edenTreaty<App>("http://localhost");

await eden.user.age.patch({

  name: "saltyaom",

  age: "21",

});

// Whether it's a regular string, or complex JSON, just return the value

import { Application } from "@teakit/core";



const app = new Application()

  .get("/", () => "Hello World")

  .get("/json", () => ({

    hello: "world",

  }))

  .listen(3000);



// Infers types to TypeScript automatically

import { Application, t } from "@teakit/core";



const app = new Application()

  .post("/profile", ({ body }) => body, {

    body: t.Object({

      username: t.String(),

    }),

  })

  .listen(3000);



// Can generate Swagger in one line with the docs plugin.

import { Application } from "@teakit/core";

import { pluginDocs } from "@teakit/plugin-docs";

import { feed, users } from "./controllers";



const app = new Application()

  .use(pluginDocs())

  .use(users)

  .use(feed)

  .get("/", () => "hi")

  .listen(3000);



// Synchronize types across all applications.

import { Application, t } from "@teakit/core";



// server.ts

const app = new Application()

  .patch("/user/age", ({ body }) => signIn(body), {

    body: t.Object({

      name: t.String(),

      age: t.Number(),

    }),

  })

  .listen(80);

export type App = typeof app;



// client.ts

import { edenTreaty } from "@teakit/eden";

import type { App } from "server";



const eden = edenTreaty<App>("http://localhost");

await eden.user.age.patch({

  name: "saltyaom",

  age: "21",

});

Top performing

Supercharged by Bun runtime, Static Code Analysis, and Dynamic Code Injection, The top-performing TypeScript frameworks.

Focus on productivity

From built-in strict-type validation to a unified type system, and documentation generation, making an ideal framework.

WinterCG compliant

Being WinterCG compliant, it can run in your browser! Edit the code and see live update immediately.