125 lines
5.2 KiB
Diff
125 lines
5.2 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Samuel Attard <marshallofsound@electronjs.org>
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Date: Wed, 8 Mar 2023 13:02:17 -0800
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Subject: chore: expose ImportModuleDynamically and
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HostInitializeImportMetaObjectCallback to embedders
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This also subtly changes the behavior of shouldNotRegisterESMLoader to ensure that node sets up the handlers
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internally but simply avoids setting its own handlers on the Isolate. This is so that Electron can set it to
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its own blended handler between Node and Blink.
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Not upstreamable.
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diff --git a/lib/internal/modules/esm/utils.js b/lib/internal/modules/esm/utils.js
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index 41077285452eac05766a22c2e1d252868e7e548b..2246e57efcf0b95903644d643ad5572717ecdaf4 100644
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--- a/lib/internal/modules/esm/utils.js
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+++ b/lib/internal/modules/esm/utils.js
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@@ -22,7 +22,7 @@ const {
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ERR_VM_DYNAMIC_IMPORT_CALLBACK_MISSING,
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ERR_INVALID_ARG_VALUE,
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} = require('internal/errors').codes;
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-const { getOptionValue } = require('internal/options');
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+const { getOptionValue, getEmbedderOptions } = require('internal/options');
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const {
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loadPreloadModules,
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initializeFrozenIntrinsics,
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@@ -190,12 +190,13 @@ let _isLoaderWorker = false;
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* @param {boolean} [isLoaderWorker=false] - A boolean indicating whether the loader is a worker or not.
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*/
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function initializeESM(isLoaderWorker = false) {
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+ const shouldSetOnIsolate = !getEmbedderOptions().shouldNotRegisterESMLoader;
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_isLoaderWorker = isLoaderWorker;
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initializeDefaultConditions();
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// Setup per-isolate callbacks that locate data or callbacks that we keep
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// track of for different ESM modules.
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- setInitializeImportMetaObjectCallback(initializeImportMetaObject);
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- setImportModuleDynamicallyCallback(importModuleDynamicallyCallback);
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+ setInitializeImportMetaObjectCallback(initializeImportMetaObject, shouldSetOnIsolate);
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+ setImportModuleDynamicallyCallback(importModuleDynamicallyCallback, shouldSetOnIsolate);
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}
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/**
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diff --git a/src/module_wrap.cc b/src/module_wrap.cc
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index 52c30dcb47d1faba0c2267e4381a624e450baa02..ba4c1a0d5a987e4d410b49f5c47166943bd101a6 100644
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--- a/src/module_wrap.cc
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+++ b/src/module_wrap.cc
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@@ -547,7 +547,7 @@ MaybeLocal<Module> ModuleWrap::ResolveModuleCallback(
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return module->module_.Get(isolate);
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}
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-static MaybeLocal<Promise> ImportModuleDynamically(
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+MaybeLocal<Promise> ImportModuleDynamically(
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Local<Context> context,
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Local<v8::Data> host_defined_options,
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Local<Value> resource_name,
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@@ -608,12 +608,13 @@ void ModuleWrap::SetImportModuleDynamicallyCallback(
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Environment* env = Environment::GetCurrent(args);
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HandleScope handle_scope(isolate);
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- CHECK_EQ(args.Length(), 1);
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+ CHECK_EQ(args.Length(), 2);
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CHECK(args[0]->IsFunction());
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Local<Function> import_callback = args[0].As<Function>();
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env->set_host_import_module_dynamically_callback(import_callback);
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- isolate->SetHostImportModuleDynamicallyCallback(ImportModuleDynamically);
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+ if (args[1]->IsBoolean() && args[1]->BooleanValue(isolate))
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+ isolate->SetHostImportModuleDynamicallyCallback(ImportModuleDynamically);
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}
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void ModuleWrap::HostInitializeImportMetaObjectCallback(
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@@ -650,13 +651,14 @@ void ModuleWrap::SetInitializeImportMetaObjectCallback(
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Environment* env = Environment::GetCurrent(args);
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Isolate* isolate = env->isolate();
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- CHECK_EQ(args.Length(), 1);
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+ CHECK_EQ(args.Length(), 2);
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CHECK(args[0]->IsFunction());
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Local<Function> import_meta_callback = args[0].As<Function>();
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env->set_host_initialize_import_meta_object_callback(import_meta_callback);
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- isolate->SetHostInitializeImportMetaObjectCallback(
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- HostInitializeImportMetaObjectCallback);
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+ if (args[1]->IsBoolean() && args[1]->BooleanValue(isolate))
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+ isolate->SetHostInitializeImportMetaObjectCallback(
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+ HostInitializeImportMetaObjectCallback);
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}
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MaybeLocal<Value> ModuleWrap::SyntheticModuleEvaluationStepsCallback(
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diff --git a/src/module_wrap.h b/src/module_wrap.h
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index 1fc801edced9c5e44613846b4dc555804c5bae97..767d183c6b6b6d97726cf5d63c0b202bd9ae10a6 100644
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--- a/src/module_wrap.h
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+++ b/src/module_wrap.h
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@@ -30,7 +30,14 @@ enum HostDefinedOptions : int {
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kLength = 9,
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};
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-class ModuleWrap : public BaseObject {
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+NODE_EXTERN v8::MaybeLocal<v8::Promise> ImportModuleDynamically(
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+ v8::Local<v8::Context> context,
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+ v8::Local<v8::Data> host_defined_options,
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+ v8::Local<v8::Value> resource_name,
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+ v8::Local<v8::String> specifier,
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+ v8::Local<v8::FixedArray> import_assertions);
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+
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+class NODE_EXTERN ModuleWrap : public BaseObject {
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public:
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enum InternalFields {
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kModuleSlot = BaseObject::kInternalFieldCount,
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@@ -65,6 +72,8 @@ class ModuleWrap : public BaseObject {
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return true;
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}
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+ static ModuleWrap* GetFromModule(node::Environment*, v8::Local<v8::Module>);
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+
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private:
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ModuleWrap(Environment* env,
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v8::Local<v8::Object> object,
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@@ -99,7 +108,6 @@ class ModuleWrap : public BaseObject {
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v8::Local<v8::String> specifier,
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v8::Local<v8::FixedArray> import_attributes,
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v8::Local<v8::Module> referrer);
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- static ModuleWrap* GetFromModule(node::Environment*, v8::Local<v8::Module>);
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v8::Global<v8::Module> module_;
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std::unordered_map<std::string, v8::Global<v8::Promise>> resolve_cache_;
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