Install the @outcome.xyz/hip4 SDK: setup and entry points

The SDK is published to npm as @outcome.xyz/hip4. It ships with full TypeScript types, supports both ESM and CommonJS, and has no runtime dependencies beyond your own project’s dependencies.

Install

pnpm add @outcome.xyz/hip4

npm install @outcome.xyz/hip4

yarn add @outcome.xyz/hip4

Current version: 1.0.3-beta - see the changelog

Entry points

The package exposes two entry points:

Entry point	Use when
`@outcome.xyz/hip4`	Importing the adapter, utility functions, and types in the same file
`@outcome.xyz/hip4/types`	Importing types only, without pulling in any runtime code

// Main entry - adapter, utilities, and types
import { createHIP4Adapter, formatPrice, getMinShares } from "@outcome.xyz/hip4";
import type { DefaultBinaryMarket, PredictionOrderResult } from "@outcome.xyz/hip4";

// Types-only entry - useful in shared type packages or when tree-shaking matters
import type { HIP4Market, MarketType } from "@outcome.xyz/hip4/types";

TypeScript requirements

The SDK targets ES2020 and uses features such as optional chaining, nullish coalescing, and BigInt. Strict mode is recommended:

tsconfig.json

{
  "compilerOptions": {
    "target": "ES2020",
    "module": "ESNext",
    "moduleResolution": "bundler",
    "strict": true
  }
}

The SDK has zero runtime dependencies. Installing it will not add any third-party packages to your node_modules.

Module format support

The package ships both ESM (.js) and CommonJS (.cjs) builds. Your bundler or runtime will pick the right format automatically based on your project’s "type" field and import syntax. No additional configuration is required.

Get Started

Concepts

Adapters

Utilities

Rewards

Changelog

Install the @outcome.xyz/hip4 SDK: setup and entry points

Install

Entry points

TypeScript requirements

Module format support

​Install

​Entry points

​TypeScript requirements

​Module format support

Install

Entry points

TypeScript requirements

Module format support