The new GitHub Code View brings users many new features to improve the code reading and exploration experiences, and we overcame a number of unique technical hurdles in order to deliver those features without compromising performance.
This should be required reading for anyone who thinks that frontend is easy.
Also, if anyone thinks this is a limitation of the web, I’d challenge you to try to create an app that displays 18,000 lines of syntax-highlighted, findable text using another popular toolkit like .NET, Qt, or Cocoa. They’ll all get bogged down if you try to naively put all of that content in a single view and expect built-in scrolling and find features to just work, quickly. Pretty much the only way to make something like that work involves a lot of tricks behind the scenes, no matter what platform.
I’m really happy they landed on a solution that not only delivers high performance, but supports the browser’s native Find function and accessibility. I think some people could have anticipated those problems, but far more important is that they listened to user feedback and pivoted when their first idea didn’t make users happy.
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This should be required reading for anyone who thinks that frontend is easy.
Also, if anyone thinks this is a limitation of the web, I’d challenge you to try to create an app that displays 18,000 lines of syntax-highlighted, findable text using another popular toolkit like .NET, Qt, or Cocoa. They’ll all get bogged down if you try to naively put all of that content in a single view and expect built-in scrolling and find features to just work, quickly. Pretty much the only way to make something like that work involves a lot of tricks behind the scenes, no matter what platform.
I’m really happy they landed on a solution that not only delivers high performance, but supports the browser’s native Find function and accessibility. I think some people could have anticipated those problems, but far more important is that they listened to user feedback and pivoted when their first idea didn’t make users happy.