Bug: TOC slow to open on large file

Paul Solt's Avatar

Paul Solt

01 Sep, 2020 02:26 PM

Toggling my sidebar TOC (Command + Shift + T) is slow with a 65,000 word file. It takes 2-3 seconds, see my video below to both show/hide the TOC.

TOC should be "cached" so it's a fast lookup, or you need to work backwards/forwards from my current scroll position and only display the last 20 elements, calculate the rest in a background thread and then update the UI with the full list.

Once it's cached, I don't see why it needs to be recalculated if I'm just hiding/showing the TOC.

From a "view" standpoint, it shouldn't be recalculating my scroll position, instead just show the content where I currently am. You shouldn't need to relayout everything if I'm at a specific scroll position, just work back or forwards relative my scroll position.

https://www.loom.com/share/6142127614c94db88d20bc601781e7e5

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