v0.2.0 - Type Aliases & Multi-File Imports

🎉 LUMOS v0.2.0 - Type Aliases & Multi-File Imports

Major release bringing schema organization and DRY principles to LUMOS!

✨ New Features

Type Aliases

• Rust-style syntax: type UserId = PublicKey;
• Recursive resolution with circular reference detection
• Generate pub type (Rust) and export type (TypeScript)
• Support for all types: primitives, Solana types, collections

Multi-File Imports

• JavaScript-style syntax: import { Type1, Type2 } from "./file.lumos";
• Automatic import discovery and resolution
• Multi-line import support
• Circular import detection
• Cross-file type validation

FileResolver Architecture

• 340-line multi-file schema manager
• Automatic dependency discovery
• Import caching
• Three-pass validation (collect → resolve → validate)

📦 Installation

# Install or upgrade CLI
cargo install [email protected]

# Or update existing installation
cargo install --force lumos-cli

📚 Examples

Type Aliases:

type UserId = PublicKey;
type Lamports = u64;
type UserList = [PublicKey];

struct Account {
    owner: UserId,
    balance: Lamports,
}

Multi-File Imports:

// types.lumos
type UserId = PublicKey;
enum AccountStatus { Active, Frozen, Closed }

// accounts.lumos
import { UserId, AccountStatus } from "./types.lumos";

struct UserAccount {
    user: UserId,
    status: AccountStatus,
}

🧪 Testing

• ✅ All 202 tests passing (100% success)
• ✅ E2E compilation verified
• ✅ 4 new file_resolver tests

📖 Documentation

• Comprehensive examples in examples/type_aliases.lumos (200+ lines)
• Multi-file examples in examples/imports/ (7 files)
• Complete usage guide and troubleshooting

🔗 Links

• Changelog: CHANGELOG.md
• crates.io: lumos-core, lumos-cli, lumos-lsp
• Documentation: https://lumos-lang.org

🚀 What's Next

Phase 5.3 continues with:

• Nested module support (#53)
• Generic struct/enum definitions (#54)

Phase 5.3 Progress: 60% complete (3/5 issues)

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Alhamdulillah! Thank you to everyone supporting LUMOS development. 🎉