Skip to main content

Installation

Get started with Prism in minutes. Choose your preferred package manager and installation method.

Prerequisites​

  • Node.js 16.0 or higher
  • npm, yarn, or pnpm

Package Installation​

Core Package​

The core Prism language implementation:

npm install @prism-lang/core
# or
yarn add @prism-lang/core
# or
pnpm add @prism-lang/core

Optional Packages​

Confidence Extraction​

Advanced confidence extraction and calibration:

npm install @prism-lang/confidence

LLM Integrations​

Support for Claude and Gemini:

npm install @prism-lang/llm

CLI Tools​

Command-line interface for running Prism files:

npm install -g @prism-lang/cli

Quick Verification​

Verify your installation:

import { parse, createRuntime } from '@prism-lang/core';

const code = `
  greeting = "Hello, uncertain world!"
  confidence = greeting ~> 0.99
  confidence
`;

const ast = parse(code);
const runtime = createRuntime();
const result = await runtime.execute(ast);

console.log(result.toString()); // "Hello, uncertain world!" (99.0% confidence)

Environment Setup​

API Keys​

If you're using LLM features, set up your API keys:

# .env file
CLAUDE_API_KEY=your-claude-api-key
GEMINI_API_KEY=your-gemini-api-key

TypeScript Configuration​

For TypeScript projects, ensure your tsconfig.json includes:

{
  "compilerOptions": {
    "target": "ES2020",
    "module": "commonjs",
    "esModuleInterop": true,
    "skipLibCheck": true,
    "strict": true
  }
}

VS Code Extension​

Get full syntax highlighting and language support in VS Code:

# Download and install the extension
curl -L https://github.com/HaruHunab1320/Prism-TS/releases/download/v0.1.0/prism-lang-0.1.0.vsix -o prism-lang.vsix
code --install-extension prism-lang.vsix
rm prism-lang.vsix

Or manually:

  1. Download prism-lang-0.1.0.vsix
  2. Open VS Code → Extensions → "..." → Install from VSIX
  3. Select the downloaded file

Features:

  • 🎨 Complete syntax highlighting for all Prism features
  • 🌈 Semantic colors for confidence operators
  • 🎯 Light and dark themes optimized for Prism
  • 📝 Auto-indentation and bracket matching

Learn more about the VS Code extension →

Next Steps​

Now that you have Prism installed, you're ready to: