# See also: https://github.com/ffi/ffi/blob/fbe2cf851f426cc55b3b76eca7b10e37aa220b47/lib/ffi/platform.rb

--- lib/heroku/jsplugin.rb	2022-02-12 19:37:40
+++ lib/heroku/jsplugin.rb	2024-02-18 21:43:31
@@ -140,19 +140,26 @@
 
   def self.arch
     case RbConfig::CONFIG['host_cpu']
-    when /x86_64/
+    when /amd64|x86_64/
       "amd64"
+    when /i?86|x86/
+      "386"
+    when /arm64|aarch64/
+      "aarch64"
     when /arm/
       "arm"
+    when /ppc64|powerpc64/
+      "powerpc64"
+    when /ppc|powerpc/
+      "powerpc"
     else
-      "386"
+      RbConfig::CONFIG['host_cpu']
     end
   end
 
   def self.os
     case RbConfig::CONFIG['host_os']
     when /darwin|mac os/
-      raise "#{arch} is not supported" unless arch == "amd64"
       "darwin"
     when /linux/
       "linux"