I think it depends on your code and dependencies. At work, the time between making a change in our codebase (which is much smaller than a million LOC) to having

I think it depends on your code and dependencies. At work, the time between making a change in our codebase (which is much smaller than a million LOC) to having ESLint update itself in the IDE can take 5+ seconds, depending on what you changed. But we also use some pretty over-engineered, generic-heavy dependencies across our entire codebase.