why count === 2 is not count === 1 in function-to-string.checker ?

[Kevin Lin]

devtools-detector/src/checkers/function-to-string.checker.ts

Line 27 in 1781eb8

 return count === 2; 

[AEPKILL]

because toSting method will be invoked twice.

[Kevin Lin]

because toSting method will be invoked twice.

I try to only using devtoolsTestFunction.toString , toString method will be invoked once. Where be invoked another once?