Suggested CMakeLists.txt for Yarn

Author: Alam, Maksudul

viz/CMakeLists.txt

@@ -1,6 +1,7 @@
 set(__install_dest share/exago/viz)
 
 set(EXAGO_VIZ_SUBDIRS backend components data geo_data images src)
+set(EXAGO_VIZ_DIR "${CMAKE_CURRENT_SOURCE_DIR}")
 
 set(EXAGO_VIZ_FILES
     ${CMAKE_CURRENT_SOURCE_DIR}/exago-logo.png
@@ -14,5 +15,50 @@ set(EXAGO_VIZ_FILES
     ${CMAKE_CURRENT_SOURCE_DIR}/vite.config.ts
 )
 
+find_program(YARN_EXECUTABLE yarn REQUIRED
+    DOC "Path to the yarn package manager"
+)
+message(STATUS "Found yarn: ${YARN_EXECUTABLE}")
+
+if(NOT EXISTS "${EXAGO_VIZ_DIR}/package.json")
+    message(FATAL_ERROR "No package.json found: ${EXAGO_VIZ_DIR}\n")
+endif()
+
+set(YARN_STAMP "${CMAKE_CURRENT_BINARY_DIR}/yarn_install.stamp")
+add_custom_command(
+    OUTPUT  "${YARN_STAMP}"
+    COMMAND "${YARN_EXECUTABLE}" install
+    COMMAND "${CMAKE_COMMAND}" -E touch "${YARN_STAMP}"
+    WORKING_DIRECTORY "${EXAGO_VIZ_DIR}"
+    DEPENDS "${EXAGO_VIZ_DIR}/package.json"
+            "${EXAGO_VIZ_DIR}/yarn.lock"
+    COMMENT "Running yarn install in ${EXAGO_VIZ_DIR}"
+    VERBATIM
+)
+add_custom_target(yarn_install ALL
+    DEPENDS "${YARN_STAMP}"
+)
+
 install(DIRECTORY ${EXAGO_VIZ_SUBDIRS} DESTINATION ${__install_dest})
 install(FILES ${EXAGO_VIZ_FILES} DESTINATION ${__install_dest})
+install(CODE "
+
+    set(INSTALL_DIR \"\${CMAKE_INSTALL_PREFIX}/share/exago/viz\")
+
+    if(NOT EXISTS \"\${INSTALL_DIR}/package.json\")
+        message(FATAL_ERROR \"package.json not found in \${INSTALL_DIR} — file copy may have failed.\")
+    endif()
+
+    message(STATUS \"Running yarn install in \${INSTALL_DIR}\")
+    execute_process(
+        COMMAND           \"${YARN_EXECUTABLE}\" install
+        WORKING_DIRECTORY \"\${INSTALL_DIR}\"
+        RESULT_VARIABLE   YARN_RESULT
+    )
+
+    if(NOT YARN_RESULT EQUAL 0)
+        message(FATAL_ERROR \"yarn install failed in \${INSTALL_DIR} (exit code: \${YARN_RESULT})\")
+    endif()
+
+    message(STATUS \"yarn install complete in \${INSTALL_DIR}\")
+")