process: move moduleLoadList definition & usage to JS

Author: apapirovski

lib/internal/bootstrap_node.js

@@ -243,15 +243,25 @@
     perf.markMilestone(NODE_PERFORMANCE_MILESTONE_BOOTSTRAP_COMPLETE);
   }
 
+  const moduleLoadList = [];
+  Object.defineProperty(process, 'moduleLoadList', {
+    value: moduleLoadList,
+    configurable: true,
+    enumerable: true,
+    writable: false
+  });
+
   {
     const bindingObj = Object.create(null);
 
     const getBinding = process.binding;
     process.binding = function binding(module) {
       module = String(module);
       let mod = bindingObj[module];
-      if (typeof mod !== 'object')
+      if (typeof mod !== 'object') {
         mod = bindingObj[module] = getBinding(module);
+        moduleLoadList.push(`Binding ${module}`);
+      }
       return mod;
     };
 
@@ -273,8 +283,10 @@
 
     internalBinding = function internalBinding(module) {
       let mod = bindingObj[module];
-      if (typeof mod !== 'object')
+      if (typeof mod !== 'object') {
         mod = bindingObj[module] = getInternalBinding(module);
+        moduleLoadList.push(`Internal Binding ${module}`);
+      }
       return mod;
     };
   }
@@ -583,7 +595,7 @@
       throw err;
     }
 
-    process.moduleLoadList.push(`NativeModule ${id}`);
+    moduleLoadList.push(`NativeModule ${id}`);
 
     const nativeModule = new NativeModule(id);
 

src/env-inl.h

@@ -329,8 +329,6 @@ inline Environment::Environment(IsolateData* isolate_data,
   v8::Context::Scope context_scope(context);
   set_as_external(v8::External::New(isolate(), this));
 
-  set_module_load_list_array(v8::Array::New(isolate()));
-
   AssignToContext(context, ContextInfo(""));
 
   destroy_async_id_list_.reserve(512);

src/env.h

@@ -285,7 +285,6 @@ class ModuleWrap;
   V(http2settings_constructor_template, v8::ObjectTemplate)                   \
   V(immediate_callback_function, v8::Function)                                \
   V(inspector_console_api_object, v8::Object)                                 \
-  V(module_load_list_array, v8::Array)                                        \
   V(pbkdf2_constructor_template, v8::ObjectTemplate)                          \
   V(pipe_constructor_template, v8::FunctionTemplate)                          \
   V(performance_entry_callback, v8::Function)                                 \

src/node.cc

@@ -2556,15 +2556,7 @@ static void Binding(const FunctionCallbackInfo<Value>& args) {
   CHECK(args[0]->IsString());
 
   Local<String> module = args[0].As<String>();
-
-  // Append a string to process.moduleLoadList
-  char buf[1024];
   node::Utf8Value module_v(env->isolate(), module);
-  snprintf(buf, sizeof(buf), "Binding %s", *module_v);
-
-  Local<Array> modules = env->module_load_list_array();
-  uint32_t l = modules->Length();
-  modules->Set(l, OneByteString(env->isolate(), buf));
 
   node_module* mod = get_builtin_module(*module_v);
   Local<Object> exports;
@@ -2591,15 +2583,7 @@ static void InternalBinding(const FunctionCallbackInfo<Value>& args) {
   CHECK(args[0]->IsString());
 
   Local<String> module = args[0].As<String>();
-
-  // Append a string to process.moduleLoadList
-  char buf[1024];
   node::Utf8Value module_v(env->isolate(), module);
-  snprintf(buf, sizeof(buf), "Internal Binding %s", *module_v);
-
-  Local<Array> modules = env->module_load_list_array();
-  uint32_t l = modules->Length();
-  modules->Set(l, OneByteString(env->isolate(), buf));
 
   node_module* mod = get_internal_module(*module_v);
   if (mod == nullptr) return ThrowIfNoSuchModule(env, *module_v);
@@ -2971,11 +2955,6 @@ void SetupProcessObject(Environment* env,
                     "version",
                     FIXED_ONE_BYTE_STRING(env->isolate(), NODE_VERSION));
 
-  // process.moduleLoadList
-  READONLY_PROPERTY(process,
-                    "moduleLoadList",
-                    env->module_load_list_array());
-
   // process.versions
   Local<Object> versions = Object::New(env->isolate());
   READONLY_PROPERTY(process, "versions", versions);