no member named 'getTypeByName' in 'llvm::Module'

[aghoneim92]

When building with LLVM 12, I get this error:

node_modules/llvm-node/src/ir/module.cc:139:38: error: no member named 'getTypeByName' in 'llvm::Module'
    llvm::StructType* type = module->getTypeByName(name);

Duplicate. #132