TypeScript Project References: Stop Rebuilding Packages That Didn't Change
Project references split one tsconfig into a dependency graph so tsc --build can skip unchanged packages. A two-package example, verification steps, and the gotchas.
ReadMeFeed / Community knowledge
Real questions. Useful conversations. Find the people who know your stack.
Project references split one tsconfig into a dependency graph so tsc --build can skip unchanged packages. A two-package example, verification steps, and the gotchas.
TypeScript project references split a monolithic codebase into independently compiled units: faster incremental builds, compiler-enforced module boundaries, and a worked example of extracting a shared package.
Learn how TypeScript project references enable incremental builds, reduce compile times, and keep large monorepos responsive.
Use TypeScript project references with composite tsconfig files to get incremental, type-safe monorepo builds. Each package emits declarations, the root tsconfig orders builds, and tsc --build handles dependency order.
Memory usage in composite projects In TypeScript environments utilizing --incremental and --composite flags, the Builder component manages the lifecycle of SourceFile objects to optimize rebuild speeds. While TypeScript 4.5 introduced mechanisms to dispose of outdated nodes during the clean phase, specific behaviors persist in complex dependency graphs. When