We wanted to find out what about TypeScript makes it so dang lovable, so we reached out to Ryan Cavanaugh, the principal engineering lead for the TypeScript language at Microsoft. He was generous enough to sit down and answer our questions. (more…)

As a Software Engineer I used to put a lot of focus on making sure that my TypeScript code is typed correctly. Actually, I deemed it to be the key cod... (more…)

This is a design report – a story about the tradeoffs and challenges that we encountered while building a medium-complexity React component in TypeScript. These include state modeling (“making illegal states unrepresentable&am... (more…)

TypeScript 3.7 added support for the ?. operator, also known as the optional chaining operator. We can use this operator to descend into an object whose properties potentially hold the values null or undefined without writing any null checks for intermedi... (more…)

Today we’re announcing the availability of TypeScript 4.6. If you’re not yet familiar with TypeScript, it’s a language that builds on JavaScript and adds syntax for types. Types help describe what kinds of values you’re working with and what kinds of func... (more…)