Refactor platform and arch logic in getTarget function (#185)

# Goal
The goal of this PR is address a bug that only happens on Macos with x86
architecture on node library and tries to load the windows binary since
both darwin and win32 contained `win` in it.

Related to #154

Author: mattheworris

bridge/node/js/index.ts

@@ -43,16 +43,16 @@ function getTarget(): String {
   const platform = os.platform().toLowerCase();
   const arch = os.arch().toLowerCase();
 
-  // Windows
-  if (platform.includes("win") && arch.includes("x64")) {
-    return "x86_64-pc-windows-msvc";
-
-    // MacOS
-  } else if (platform.includes("darwin") && arch.includes("x64")) {
+  // MacOS
+  if (platform.includes("darwin") && arch.includes("x64")) {
     return "x86_64-apple-darwin";
   } else if (platform.includes("darwin") && arch.includes("arm64")) {
     return "aarch64-apple-darwin";
 
+    // Windows
+  } else if (platform.includes("win") && arch.includes("x64")) {
+    return "x86_64-pc-windows-msvc";
+
     // Linux
   } else if (platform.includes("linux") && arch.includes("x64")) {
     return "x86_64-unknown-linux-gnu";