TypeScript in 2025 with ESM and CJS npm publishing is still a mess
Read OriginalThis article examines the current state of the JavaScript/TypeScript ecosystem in 2025, focusing on the persistent complexities of dual-publishing packages for both ESM and CJS module systems. It discusses recent developments like native ESM support in Node.js v22/v23 and the new JSR.io registry, while detailing a practical build toolchain using tsup to manage TypeScript compilation and module output.
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