Ashley is a JavaScript Infrastructure developer at Bloomberg and a TypeScript contributor. As a TC39 delegate, he has helped advance several JavaScript language proposals, notably championing ES2023’s Change Array by Copy.

Unlike Porffor, most JavaScript engines cannot execute TypeScript natively and therefore need to compile TypeScript into JavaScript before it can be run. This talk will explore an innovative compilation technique for TypeScript that can be used to speed up this type-stripping process, in addition to offering developers several other benefits.