Unify asset building and use find_program to find NPM

cmake/targets/common.cmake

@@ -3,18 +3,6 @@
 
 add_executable(sunshine ${SUNSHINE_TARGET_FILES})
 
-# Homebrew build fails the vite build if we set these environment variables
-# this block must be before the platform specific code
-if(${SUNSHINE_BUILD_HOMEBREW})
-    set(NPM_SOURCE_ASSETS_DIR "")
-    set(NPM_ASSETS_DIR "")
-    set(NPM_BUILD_HOMEBREW "true")
-else()
-    set(NPM_SOURCE_ASSETS_DIR ${SUNSHINE_SOURCE_ASSETS_DIR})
-    set(NPM_ASSETS_DIR ${CMAKE_BINARY_DIR})
-    set(NPM_BUILD_HOMEBREW "")
-endif()
-
 # platform specific target definitions
 if(WIN32)
     include(${CMAKE_MODULE_PATH}/targets/windows.cmake)
@@ -49,6 +37,27 @@ endif()
 
 target_compile_options(sunshine PRIVATE $<$<COMPILE_LANGUAGE:CXX>:${SUNSHINE_COMPILE_OPTIONS}>;$<$<COMPILE_LANGUAGE:CUDA>:${SUNSHINE_COMPILE_OPTIONS_CUDA};-std=c++17>)  # cmake-lint: disable=C0301
 
+# Homebrew build fails the vite build if we set these environment variables
+if(${SUNSHINE_BUILD_HOMEBREW})
+    set(NPM_SOURCE_ASSETS_DIR "")
+    set(NPM_ASSETS_DIR "")
+    set(NPM_BUILD_HOMEBREW "true")
+else()
+    set(NPM_SOURCE_ASSETS_DIR ${SUNSHINE_SOURCE_ASSETS_DIR})
+    set(NPM_ASSETS_DIR ${CMAKE_BINARY_DIR})
+    set(NPM_BUILD_HOMEBREW "")
+endif()
+
+#WebUI build
+find_program(NPM npm REQUIRED)
+add_custom_target(web-ui ALL
+        WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
+        COMMENT "Installing NPM Dependencies and Building the Web UI"
+        COMMAND "$<$<BOOL:${WIN32}>:cmd;/C>" "${NPM}" install
+        COMMAND "${CMAKE_COMMAND}" -E env "SUNSHINE_BUILD_HOMEBREW=${NPM_BUILD_HOMEBREW}" "SUNSHINE_SOURCE_ASSETS_DIR=${NPM_SOURCE_ASSETS_DIR}" "SUNSHINE_ASSETS_DIR=${NPM_ASSETS_DIR}" "$<$<BOOL:${WIN32}>:cmd;/C>" "${NPM}" run build  # cmake-lint: disable=C0301
+        COMMAND_EXPAND_LISTS
+        VERBATIM)
+
 # tests
 if(BUILD_TESTS)
     add_subdirectory(tests)

cmake/targets/unix.cmake

@@ -1,8 +1,2 @@
 # unix specific target definitions
 # put anything here that applies to both linux and macos
-
-#WebUI build
-add_custom_target(web-ui ALL
-        WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
-        COMMENT "Installing NPM Dependencies and Building the Web UI"
-        COMMAND sh -c \"npm install && SUNSHINE_BUILD_HOMEBREW=${NPM_BUILD_HOMEBREW} SUNSHINE_SOURCE_ASSETS_DIR=${NPM_SOURCE_ASSETS_DIR} SUNSHINE_ASSETS_DIR=${NPM_ASSETS_DIR} npm run build\")  # cmake-lint: disable=C0301

cmake/targets/windows.cmake

@@ -4,9 +4,3 @@ set(CMAKE_FIND_LIBRARY_SUFFIXES ".dll")
 find_library(ZLIB ZLIB1)
 list(APPEND SUNSHINE_EXTERNAL_LIBRARIES
         Wtsapi32.lib)
-
-#WebUI build
-add_custom_target(web-ui ALL
-        WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
-        COMMENT "Installing NPM Dependencies and Building the Web UI"
-        COMMAND cmd /C "npm install && set \"SUNSHINE_SOURCE_ASSETS_DIR=${NPM_SOURCE_ASSETS_DIR}\" && set \"SUNSHINE_ASSETS_DIR=${NPM_ASSETS_DIR}\" && npm run build")   # cmake-lint: disable=C0301