contract-kit

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Overview

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Installation

npm install contract-kit zod

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What’s Included

• @contract-kit/core - Contract definitions and builders
• @contract-kit/client - HTTP client for contract-based requests
• @contract-kit/application - Use case factory (commands/queries)
• @contract-kit/domain - Domain modeling helpers
• @contract-kit/errors - Error catalog and utilities
• @contract-kit/config - Environment-first configuration
• @contract-kit/ports - Ports and provider system
• @contract-kit/openapi - OpenAPI 3.1 generation

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What’s Not Included

• Server adapters - @contract-kit/next, @contract-kit/server
• React integrations - @contract-kit/react, @contract-kit/react-query, @contract-kit/react-hook-form
• Providers - @contract-kit/provider-*

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Quick Example

import { createContractGroup, createClient } from "contract-kit";
import { z } from "zod";

const todos = createContractGroup().namespace("todos");

export const getTodo = todos
  .get("/api/todos/:id")
  .path(z.object({ id: z.string() }))
  .response(200, z.object({
    id: z.string(),
    title: z.string(),
    completed: z.boolean(),
  }));

const client = createClient({ baseUrl: "https://api.example.com" });
const todo = await client.endpoint(getTodo).call({ path: { id: "123" } });

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Next Steps