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e-invoice-eu ★ 335 30 APPLICATION

The e-invoice-eu repository is a monorepo providing a toolchain for generating EN16931-compliant electronic invoices (UBL, CII, Factur-X/ZUGFeRD, XRechnung) from spreadsheet data or JSON. It consists of a core TypeScript library, a CLI tool, a NestJS-based REST API server, and documentation. The core library implements a strategy pattern for format services, a factory for creating them, a mapping service for spreadsheet-to-invoice transformation, and validation services. The architecture is modular and well-tested, with clear separation of concerns.

RATING: 9.2/10 MAINT: active DRIFT: low
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