Kent C. Dodds • 9/1/2018

Make Impossible States Impossible

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This article explains the software design principle 'Make impossible states impossible,' popularized in the Elm and React communities. It uses a practical example of an Alert component to show how using a single 'type' prop (an enum) is better than multiple boolean props, as it prevents conflicting states and makes components easier to maintain and use. The author recommends watching David Khourshid's talk on the subject and exploring the xstate library.

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#React #api design #state management
Make Impossible States Impossible

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