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Ray Gesualdo
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JavaScript

A single tree in the middle of a field in front of the ocean

Using ASTs

March 30, 2024 | 5 Minute Read

Few things accelerated my understanding of code, and what I could do with it, faster than Abstract Syntax Trees (ASTs). ASTs are data representations of…

A massive thunderstorm

Caching Auth Tokens with Distributed Refresh

March 9, 2024 | 5 Minute Read

Ever been in this situation? You make an innocuous change to your authentication logic only to realize upon deploy that it invalidated all your users’…

Tree roots

Optimizing Jest Runs with Dynamic Roots

February 10, 2024 | 9 Minute Read

At Salesloft, our primary frontend application has nearly 3,000 test suites containing over 20,000 tests. That’s a lot of time spent running tests in CI and…

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