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https://github.com/denoland/deno
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Add import.meta.main (#1835)
This commit is contained in:
parent
8dee6ea454
commit
5dfbbbb07a
1
js/lib.web_assembly.d.ts
vendored
1
js/lib.web_assembly.d.ts
vendored
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@ -165,4 +165,5 @@ declare namespace WebAssembly {
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// TODO Move ImportMeta intos its own lib.import_meta.d.ts file?
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interface ImportMeta {
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url: string;
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main: boolean;
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}
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@ -265,7 +265,8 @@ v8::ScriptOrigin ModuleOrigin(v8::Isolate* isolate,
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v8::True(isolate));
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}
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deno_mod DenoIsolate::RegisterModule(const char* name, const char* source) {
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deno_mod DenoIsolate::RegisterModule(bool main, const char* name,
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const char* source) {
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v8::Isolate::Scope isolate_scope(isolate_);
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v8::Locker locker(isolate_);
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v8::HandleScope handle_scope(isolate_);
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@ -300,8 +301,9 @@ deno_mod DenoIsolate::RegisterModule(const char* name, const char* source) {
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import_specifiers.push_back(*specifier_utf8);
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}
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mods_.emplace(std::piecewise_construct, std::make_tuple(id),
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std::make_tuple(isolate_, module, name, import_specifiers));
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mods_.emplace(
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std::piecewise_construct, std::make_tuple(id),
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std::make_tuple(isolate_, module, main, name, import_specifiers));
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mods_by_name_[name] = id;
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return id;
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@ -519,8 +521,10 @@ void HostInitializeImportMetaObjectCallback(v8::Local<v8::Context> context,
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auto* info = d->GetModuleInfo(id);
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const char* url = info->name.c_str();
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const bool main = info->main;
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meta->CreateDataProperty(context, v8_str("url"), v8_str(url)).ToChecked();
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meta->CreateDataProperty(context, v8_str("main"), v8_bool(main)).ToChecked();
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}
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void DenoIsolate::AddIsolate(v8::Isolate* isolate) {
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@ -83,7 +83,7 @@ void deno_terminate_execution(Deno* d);
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typedef int deno_mod;
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// Returns zero on error - check deno_last_exception().
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deno_mod deno_mod_new(Deno* d, const char* name, const char* source);
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deno_mod deno_mod_new(Deno* d, bool main, const char* name, const char* source);
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size_t deno_mod_imports_len(Deno* d, deno_mod id);
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@ -13,13 +13,14 @@
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namespace deno {
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struct ModuleInfo {
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bool main;
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std::string name;
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v8::Persistent<v8::Module> handle;
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std::vector<std::string> import_specifiers;
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ModuleInfo(v8::Isolate* isolate, v8::Local<v8::Module> module,
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ModuleInfo(v8::Isolate* isolate, v8::Local<v8::Module> module, bool main_,
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const char* name_, std::vector<std::string> import_specifiers_)
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: name(name_), import_specifiers(import_specifiers_) {
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: main(main_), name(name_), import_specifiers(import_specifiers_) {
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handle.Reset(isolate, module);
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}
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};
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@ -61,7 +62,7 @@ class DenoIsolate {
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void AddIsolate(v8::Isolate* isolate);
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deno_mod RegisterModule(const char* name, const char* source);
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deno_mod RegisterModule(bool main, const char* name, const char* source);
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v8::Local<v8::Object> GetBuiltinModules();
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void ClearModules();
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@ -88,7 +88,7 @@ v8::MaybeLocal<v8::Module> ResolveCallback(Local<Context> context,
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id = it->second;
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} else {
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std::string src = BuiltinModuleSrc(context, specifier);
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id = d->RegisterModule(req_str.c_str(), src.c_str());
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id = d->RegisterModule(false, req_str.c_str(), src.c_str());
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}
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} else {
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id = d->resolve_cb_(d->user_data_, req_str.c_str(), referrer_id);
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@ -116,10 +116,10 @@ v8::MaybeLocal<v8::Module> ResolveCallback(Local<Context> context,
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extern "C" {
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deno_mod deno_mod_new(Deno* d_, const char* name_cstr,
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deno_mod deno_mod_new(Deno* d_, bool main, const char* name_cstr,
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const char* source_cstr) {
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auto* d = unwrap(d_);
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return d->RegisterModule(name_cstr, source_cstr);
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return d->RegisterModule(main, name_cstr, source_cstr);
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}
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const char* deno_mod_name(Deno* d_, deno_mod id) {
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@ -14,7 +14,7 @@ TEST(ModulesTest, Resolution) {
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Deno* d = deno_new(deno_config{0, empty, empty, recv_cb});
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EXPECT_EQ(0, exec_count);
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static deno_mod a = deno_mod_new(d, "a.js",
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static deno_mod a = deno_mod_new(d, true, "a.js",
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"import { b } from 'b.js'\n"
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"if (b() != 'b') throw Error();\n"
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"libdeno.send(new Uint8Array([4]));");
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@ -22,7 +22,7 @@ TEST(ModulesTest, Resolution) {
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EXPECT_EQ(nullptr, deno_last_exception(d));
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const char* b_src = "export function b() { return 'b' }";
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static deno_mod b = deno_mod_new(d, "b.js", b_src);
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static deno_mod b = deno_mod_new(d, false, "b.js", b_src);
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EXPECT_NE(b, 0);
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EXPECT_EQ(nullptr, deno_last_exception(d));
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@ -72,7 +72,7 @@ TEST(ModulesTest, BuiltinModules) {
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EXPECT_EQ(nullptr, deno_last_exception(d));
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static deno_mod a =
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deno_mod_new(d, "a.js",
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deno_mod_new(d, true, "a.js",
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"import { b } from 'b.js'\n"
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"import * as deno from 'deno'\n"
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"if (b() != 'b') throw Error('b');\n"
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@ -82,7 +82,7 @@ TEST(ModulesTest, BuiltinModules) {
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EXPECT_EQ(nullptr, deno_last_exception(d));
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const char* b_src = "export function b() { return 'b' }";
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static deno_mod b = deno_mod_new(d, "b.js", b_src);
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static deno_mod b = deno_mod_new(d, false, "b.js", b_src);
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EXPECT_NE(b, 0);
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EXPECT_EQ(nullptr, deno_last_exception(d));
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@ -134,7 +134,7 @@ TEST(ModulesTest, BuiltinModules2) {
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EXPECT_EQ(nullptr, deno_last_exception(d));
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static deno_mod a =
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deno_mod_new(d, "a.js",
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deno_mod_new(d, true, "a.js",
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"import * as b1 from 'builtin1'\n"
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"import * as b2 from 'builtin2'\n"
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"if (b1.foo != 'bar') throw Error('bad1');\n"
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@ -168,7 +168,7 @@ TEST(ModulesTest, BuiltinModules3) {
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EXPECT_EQ(nullptr, deno_last_exception(d));
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static deno_mod a =
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deno_mod_new(d, "a.js",
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deno_mod_new(d, true, "a.js",
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"import * as b1 from 'builtin'\n"
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"import * as b2 from 'b.js'\n"
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"if (b1.foo != 'bar') throw Error('bad1');\n"
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@ -181,7 +181,7 @@ TEST(ModulesTest, BuiltinModules3) {
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EXPECT_STREQ("builtin", deno_mod_imports_get(d, a, 0));
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EXPECT_STREQ("b.js", deno_mod_imports_get(d, a, 1));
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static deno_mod b = deno_mod_new(d, "b.js",
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static deno_mod b = deno_mod_new(d, false, "b.js",
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"import { foo } from 'builtin';\n"
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"export function bar() { return foo }\n");
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EXPECT_NE(b, 0);
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@ -218,7 +218,7 @@ TEST(ModulesTest, ResolutionError) {
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Deno* d = deno_new(deno_config{0, empty, empty, recv_cb});
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EXPECT_EQ(0, exec_count);
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static deno_mod a = deno_mod_new(d, "a.js",
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static deno_mod a = deno_mod_new(d, true, "a.js",
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"import 'bad'\n"
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"libdeno.send(new Uint8Array([4]));");
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EXPECT_NE(a, 0);
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@ -252,7 +252,7 @@ TEST(ModulesTest, ImportMetaUrl) {
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EXPECT_EQ(0, exec_count);
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static deno_mod a =
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deno_mod_new(d, "a.js",
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deno_mod_new(d, true, "a.js",
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"if ('a.js' != import.meta.url) throw 'hmm'\n"
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"libdeno.send(new Uint8Array([4]));");
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EXPECT_NE(a, 0);
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@ -266,3 +266,32 @@ TEST(ModulesTest, ImportMetaUrl) {
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EXPECT_EQ(nullptr, deno_last_exception(d));
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EXPECT_EQ(1, exec_count);
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}
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TEST(ModulesTest, ImportMetaMain) {
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Deno* d = deno_new(deno_config{0, empty, empty, recv_cb});
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const char* throw_not_main_src = "if (!import.meta.main) throw 'err'";
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static deno_mod throw_not_main =
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deno_mod_new(d, true, "a.js", throw_not_main_src);
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EXPECT_NE(throw_not_main, 0);
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EXPECT_EQ(nullptr, deno_last_exception(d));
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deno_mod_instantiate(d, d, throw_not_main, nullptr);
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EXPECT_EQ(nullptr, deno_last_exception(d));
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deno_mod_evaluate(d, d, throw_not_main);
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EXPECT_EQ(nullptr, deno_last_exception(d));
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const char* throw_main_src = "if (import.meta.main) throw 'err'";
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static deno_mod throw_main = deno_mod_new(d, false, "b.js", throw_main_src);
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EXPECT_NE(throw_main, 0);
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EXPECT_EQ(nullptr, deno_last_exception(d));
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deno_mod_instantiate(d, d, throw_main, nullptr);
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EXPECT_EQ(nullptr, deno_last_exception(d));
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deno_mod_evaluate(d, d, throw_main);
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EXPECT_EQ(nullptr, deno_last_exception(d));
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deno_delete(d);
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}
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@ -283,6 +283,7 @@ impl Isolate {
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pub fn mod_new(
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&mut self,
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main: bool,
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name: String,
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source: String,
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) -> Result<libdeno::deno_mod, JSError> {
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@ -293,7 +294,7 @@ impl Isolate {
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let source_ptr = source_.as_ptr() as *const c_char;
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let id = unsafe {
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libdeno::deno_mod_new(self.libdeno_isolate, name_ptr, source_ptr)
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libdeno::deno_mod_new(self.libdeno_isolate, main, name_ptr, source_ptr)
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};
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if let Some(js_error) = self.last_exception() {
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assert_eq!(id, 0);
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@ -345,7 +346,7 @@ impl Isolate {
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&referrer_name,
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)?;
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let child_id =
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self.mod_new(out.module_name.clone(), out.js_source())?;
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self.mod_new(false, out.module_name.clone(), out.js_source())?;
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self.mod_load_deps(child_id)?;
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}
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@ -391,7 +392,7 @@ impl Isolate {
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.map_err(RustOrJsError::from)?;
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let id = self
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.mod_new(out.module_name.clone(), out.js_source())
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.mod_new(true, out.module_name.clone(), out.js_source())
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.map_err(RustOrJsError::from)?;
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self.mod_load_deps(id)?;
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@ -154,6 +154,7 @@ extern "C" {
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pub fn deno_mod_new(
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i: *const isolate,
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main: bool,
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name: *const c_char,
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source: *const c_char,
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) -> deno_mod;
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@ -1,3 +1,3 @@
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console.log("import_meta", import.meta.url);
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console.log("import_meta", import.meta.url, import.meta.main);
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import "import_meta2.ts";
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@ -1,2 +1,2 @@
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import_meta2 [WILDCARD]import_meta2.ts
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import_meta [WILDCARD]import_meta.ts
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import_meta2 [WILDCARD]import_meta2.ts false
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import_meta [WILDCARD]import_meta.ts true
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@ -1 +1 @@
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console.log("import_meta2", import.meta.url);
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console.log("import_meta2", import.meta.url, import.meta.main);
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