A late adopter’s guide to TypeScript

Initially skeptical of TypeScript, the author, a long-time advocate of JavaScript, shares how they came to appreciate its benefits, particularly in enhancing code quality and reducing the need for exhaustive testing. Despite initial resistance due to JavaScript's dynamic nature and the fear of limitations imposed by type systems, the author found that TypeScript, especially when used with modern React, provided significant advantages. These include improved API design and library support, as well as making refactoring safer and more efficient. TypeScript's type definitions and documentation, particularly with React, facilitated easier coding without the need for complex type features, allowing the author to focus on essentials. Through six months of use, TypeScript proved to deliver added value, enabling the author to write better, more reliable code with fewer tests, thus increasing productivity without the anticipated drawbacks.