Paul Armstrong • 9/14/2023

We use type safety not on preference, but because we want to make money

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The article details a real-world incident where a typo in a React component's prop name (promotedContentId) went undetected by PropTypes, leading to incorrect ad attribution and lost revenue. It uses this case study to argue that adopting type-safe systems like TypeScript is a critical business decision for preventing costly errors, not just a developer preference.

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#TypeScript #React #software quality
We use type safety not on preference, but because we want to make money

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