Build Your Own React
a day ago
- #JavaScript
- #Web Development
- #React
- The article outlines a step-by-step guide to rewriting React from scratch, focusing on React 16.8 features like hooks.
- Key steps include creating the `createElement` function, rendering, concurrent mode, fibers, render and commit phases, reconciliation, function components, and hooks.
- The guide starts with basic concepts, explaining JSX transformation to JavaScript and the structure of React elements.
- It details the creation of a fiber tree for organizing work units, enabling efficient updates and rendering.
- The reconciliation process compares old and new elements to update the DOM efficiently, handling additions, updates, and deletions.
- Function components and hooks are introduced, explaining how state is managed within function components.
- The article concludes with an epilogue, noting differences between Didact and real React, and suggesting additional features to implement.