Lazy-initialized function that extracts lit-html part constructors.
This function uses a clever technique to extract the internal part constructors
from lit-html by creating temporary directives and examining their part types.
This is necessary for jsx-lit's compile-time optimizations.
Lazy-initialized function that extracts lit-html part constructors.
This function uses a clever technique to extract the internal part constructors from lit-html by creating temporary directives and examining their part types. This is necessary for jsx-lit's compile-time optimizations.