Fix macOS lib path with @loader_path

Author: auxten

binding.gyp

@@ -1,7 +1,4 @@
 {
-  "variables": {
-    "openssl_fips": "",
-  },
   "targets": [
     {
       "target_name": "chdb_node",
@@ -11,17 +8,24 @@
         "."
       ],
       "libraries": [ "<(module_root_dir)/libchdb.so" ],
+      "cflags!": [ "-fno-exceptions" ],
+      "cflags_cc!": [ "-fno-exceptions" ],
+      "defines": [ "NAPI_DISABLE_CPP_EXCEPTIONS" ],
       "conditions": [
-        ['OS=="mac"', {
-          "ldflags": [
-            "-Wl,-rpath,@loader_path/../../"
+        ["OS=='mac'", {
+          "actions": [
+            {
+              "action_name": "postbuild",
+              "inputs": [],
+              "outputs": ["<(module_root_dir)/build/Release/postbuild_dummy"],
+              "action": [
+                "sh", "-c",
+                "install_name_tool -change libchdb.so @loader_path/../../libchdb.so <(module_root_dir)/build/Release/chdb_node.node"
+              ]
+            }
           ]
         }]
-      ],
-      "cflags!": [ "-fno-exceptions" ],
-      "cflags_cc!": [ "-fno-exceptions" ],
-      "defines": [ "NAPI_DISABLE_CPP_EXCEPTIONS" ]
+      ]
     }
   ]
-}
-
+}