env/opencv-4.8.0/modules/js/common.cmake

# get list of modules to wrap
if(HAVE_opencv_js)
  message(STATUS "Wrapped in JavaScript(js):")
endif()
set(OPENCV_JS_MODULES "")
foreach(m ${OPENCV_MODULES_BUILD})
  if(";${OPENCV_MODULE_${m}_WRAPPERS};" MATCHES ";js;" AND HAVE_${m})
    list(APPEND OPENCV_JS_MODULES ${m})
    if(HAVE_opencv_js)
      message(STATUS "    ${m}")
    endif()
  endif()
endforeach()