Web Reference: Jun 1, 2023 · Function lacks ending return statement and return type does not include 'undefined'. For reference, this is the TS Playground for the code above. I'm looking for guidance on how to handle the return type for the function. Note that: I don't want to change my tsconfigs (currently set to strict) Feb 27, 2024 · A step-by-step guide on how to solve the error "Function lacks ending return statement and return type does not include undefined". Dec 5, 2025 · In this blog, we’ll demystify this error, explore its root causes in async functions, and provide actionable solutions to fix it. By the end, you’ll have the tools to write type-safe async code that avoids this common pitfall.
YouTube Excerpt: Learn how to fix the common TypeScript error `
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