How Turborepo Solves the Monorepo Performance Problem for JavaScript Teams

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Large JavaScript projects split across multiple repositories often suffer from duplicated code, inconsistent data models, and fragmented CI/CD pipelines that grow harder to maintain over time. A monorepo consolidates all related apps and shared packages into a single Git repository, eliminating redundancy and keeping codebases in sync. Turborepo is a build tool designed to make monorepos fast by caching task outputs and running only what has changed. A practical monorepo structure separates runnable applications, such as Next.js, React Native, and NestJS projects, from reusable packages like shared types, utilities, and UI components. This approach is particularly useful for teams managing multiple interconnected products who want to scale without compounding maintenance overhead.

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