[eknkc]

Wait what? Am I gonna include a source code parser and AST analyser to my JavaScript library for example, to examine the provided expression source and do this? This reads like the infamous Dropbox comment from when it first got released.

[megadal]

You could also bundle your JS. Or pretend like any number of other solutions like caching parsed ASTs exist instead of being as obtuse as possible, or something idk