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Implement Module.wrap()

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This commit is contained in:
Jarred Sumner
2023-08-03 18:22:21 -07:00
parent 944fcebc2b
commit 9ab2acced6
1 changed files with 45 additions and 23 deletions
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68
src/bun.js/modules/NodeModuleModule.h
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@@ -157,6 +157,25 @@ JSC_DEFINE_HOST_FUNCTION(jsFunctionIsBuiltinModule,
return JSValue::encode(jsBoolean(isBuiltinModule(moduleStr)));
}
JSC_DEFINE_HOST_FUNCTION(jsFunctionWrap, (JSC::JSGlobalObject * globalObject,
JSC::CallFrame *callFrame)) {
auto &vm = globalObject->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
JSString *code = callFrame->argument(0).toStringOrNull(globalObject);
RETURN_IF_EXCEPTION(scope, JSC::JSValue::encode(JSC::jsUndefined()));
if (!code) {
return JSC::JSValue::encode(JSC::jsUndefined());
}
JSString *prefix = jsString(
vm,
String(
"(function (exports, require, module, __filename, __dirname) { "_s));
JSString *suffix = jsString(vm, String("\n});"_s));
return JSValue::encode(jsString(globalObject, prefix, code, suffix));
}
JSC_DEFINE_HOST_FUNCTION(jsFunctionNodeModuleCreateRequire,
(JSC::JSGlobalObject * globalObject,
JSC::CallFrame *callFrame)) {
@@ -250,31 +269,33 @@ template <std::size_t N, class T> consteval std::size_t countof(T (&)[N]) {
namespace Zig {
DEFINE_NATIVE_MODULE(NodeModule) {
// the default object here is a function, so we cant use the INIT_NATIVE_MODULE helper
// the default object here is a function, so we cant use the
// INIT_NATIVE_MODULE helper
Zig::GlobalObject *globalObject = reinterpret_cast<Zig::GlobalObject *>(lexicalGlobalObject);
JSC::VM &vm = globalObject->vm();
JSC::JSObject *defaultObject = JSC::JSFunction::create(
vm, globalObject, 0, "Module"_s, jsFunctionNodeModuleModuleConstructor,
JSC::ImplementationVisibility::Public, JSC::NoIntrinsic,
Zig::GlobalObject *globalObject =
reinterpret_cast<Zig::GlobalObject *>(lexicalGlobalObject);
JSC::VM &vm = globalObject->vm();
JSC::JSObject *defaultObject = JSC::JSFunction::create(
vm, globalObject, 0, "Module"_s, jsFunctionNodeModuleModuleConstructor,
JSC::ImplementationVisibility::Public, JSC::NoIntrinsic,
jsFunctionNodeModuleModuleConstructor);
auto put = [&](JSC::Identifier name, JSC::JSValue value) {
defaultObject->putDirect(vm, name, value);
exportNames.append(name);
exportValues.append(value);
};
auto putNativeFn = [&](JSC::Identifier name, JSC::NativeFunction ptr) {
JSC::JSFunction *value = JSC::JSFunction::create(
vm, globalObject, 1, name.string(), ptr,
JSC::ImplementationVisibility::Public, JSC::NoIntrinsic, ptr);
defaultObject->putDirect(vm, name, value);
exportNames.append(name);
exportValues.append(value);
};
exportNames.reserveCapacity(13);
exportValues.ensureCapacity(13);
exportNames.append(vm.propertyNames->defaultKeyword);
exportValues.append(defaultObject);
auto put = [&](JSC::Identifier name, JSC::JSValue value) {
defaultObject->putDirect(vm, name, value);
exportNames.append(name);
exportValues.append(value);
};
auto putNativeFn = [&](JSC::Identifier name, JSC::NativeFunction ptr) {
JSC::JSFunction *value = JSC::JSFunction::create(
vm, globalObject, 1, name.string(), ptr,
JSC::ImplementationVisibility::Public, JSC::NoIntrinsic, ptr);
defaultObject->putDirect(vm, name, value);
exportNames.append(name);
exportValues.append(value);
};
exportNames.reserveCapacity(14);
exportValues.ensureCapacity(14);
exportNames.append(vm.propertyNames->defaultKeyword);
exportValues.append(defaultObject);
putNativeFn(Identifier::fromString(vm, "createRequire"_s),
jsFunctionNodeModuleCreateRequire);
@@ -291,6 +312,7 @@ DEFINE_NATIVE_MODULE(NodeModule) {
jsFunctionResolveFileName);
putNativeFn(Identifier::fromString(vm, "_nodeModulePaths"_s),
Resolver__nodeModulePathsForJS);
putNativeFn(Identifier::fromString(vm, "wrap"_s), jsFunctionWrap);
put(Identifier::fromString(vm, "_cache"_s),
jsCast<Zig::GlobalObject *>(globalObject)->lazyRequireCacheObject());