[130e13a]

TypeScript has the same; the whole type checker is in one massive file with 46,393 lines: https://github.com/microsoft/TypeScript/blob/main/src/compil...

IIRC they cited performance reasons when compiling the compiler for the decision not to split the file up, but I could be wrong on this.

[fooofw]

And xdisp.c in Emacs: https://github.com/emacs-mirror/emacs/blob/master/src/xdisp....