Flow Render lets developers await UI components like async JavaScript functions

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Flow Render is a new open-source library that brings Promise-based control flow to UI rendering in React. Instead of managing dialogs and interaction logic through scattered state, callbacks, and component hierarchies, developers can await a rendered component and resume execution once the user responds. The library requires just two setup steps: mounting a Viewport near the app root and calling render() from an event handler. It is designed for specific interaction patterns such as confirmation dialogs, multi-step workflows, and permission requests where code must pause for user input. Business logic and UI components remain loosely coupled, with Promise results serving as a clean boundary between them.

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ProgrammingDEV Community ·

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