Photo by Emile Perron on Unsplash

Long Live Legacy Code

This article was originally given as a talk at JS.LA’s January 2021 online meetup. See the recording at their youtube channel.

We’ve all come across Legacy Code at least once in our career. That section of code, that whenever the boss asks us to work in, we get a bead of sweat running down the side of our face. There are no tests, no documentation, and the person who wrote it is no longer around to explain what is going on. What’s worse is, we know if we break it, bad things are going to happen. …

Angus Perkerson

Engineering Manager @

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