node:module compatibility pt 1 (#18106)

bunfig.node-test.toml

@@ -2,3 +2,7 @@
 # https://github.com/oven-sh/bun/issues/16289
 [test]
 preload = ["./test/js/node/harness.ts", "./test/preload.ts"]
+
+[install]
+# Node.js never auto-installs modules.
+auto = "disable"

scripts/runner.node.mjs

@@ -262,7 +262,7 @@ async function runTests() {
         await runTest(title, async () => {
           const { ok, error, stdout } = await spawnBun(execPath, {
             cwd: cwd,
-            args: [subcommand, "--config=./bunfig.node-test.toml", absoluteTestPath],
+            args: [subcommand, "--config=" + join(import.meta.dirname, "../bunfig.node-test.toml"), absoluteTestPath],
             timeout: getNodeParallelTestTimeout(title),
             env: {
               FORCE_COLOR: "0",

src/bun.js/bindings/BunProcess.cpp

@@ -2110,6 +2110,7 @@ static JSValue constructProcessConfigObject(VM& vm, JSObject* processObject)
     JSC::JSObject* variables = JSC::constructEmptyObject(globalObject, globalObject->objectPrototype(), 2);
     variables->putDirect(vm, JSC::Identifier::fromString(vm, "v8_enable_i8n_support"_s), JSC::jsNumber(1), 0);
     variables->putDirect(vm, JSC::Identifier::fromString(vm, "enable_lto"_s), JSC::jsBoolean(false), 0);
+    variables->putDirect(vm, JSC::Identifier::fromString(vm, "node_module_version"_s), JSC::jsNumber(REPORTED_NODEJS_ABI_VERSION), 0);
     config->putDirect(vm, JSC::Identifier::fromString(vm, "target_defaults"_s), JSC::constructEmptyObject(globalObject), 0);
     config->putDirect(vm, JSC::Identifier::fromString(vm, "variables"_s), variables, 0);
 

src/bun.js/bindings/CommonJSModuleRecord.cpp

@@ -384,8 +384,8 @@ JSC_DEFINE_CUSTOM_GETTER(getterParent, (JSC::JSGlobalObject * globalObject, JSC:
         return JSValue::encode(jsUndefined());
     }
 
-    if (thisObject->m_overridenParent) {
-        return JSValue::encode(thisObject->m_overridenParent.get());
+    if (thisObject->m_overriddenParent) {
+        return JSValue::encode(thisObject->m_overriddenParent.get());
     }
 
     if (thisObject->m_parent) {
@@ -400,7 +400,7 @@ JSC_DEFINE_CUSTOM_GETTER(getterParent, (JSC::JSGlobalObject * globalObject, JSC:
         auto id = idValue->value(globalObject);
         auto idStr = Bun::toString(id);
         if (Bun__isBunMain(globalObject, &idStr)) {
-            thisObject->m_overridenParent.set(globalObject->vm(), thisObject, jsNull());
+            thisObject->m_overriddenParent.set(globalObject->vm(), thisObject, jsNull());
             return JSValue::encode(jsNull());
         }
     }
@@ -494,10 +494,10 @@ JSC_DEFINE_CUSTOM_SETTER(setterParent,
 
     if (auto* parent = jsDynamicCast<JSCommonJSModule*>(decodedValue)) {
         thisObject->m_parent = parent;
-        thisObject->m_overridenParent.clear();
+        thisObject->m_overriddenParent.clear();
     } else {
         thisObject->m_parent = {};
-        thisObject->m_overridenParent.set(globalObject->vm(), thisObject, JSValue::decode(value));
+        thisObject->m_overriddenParent.set(globalObject->vm(), thisObject, JSValue::decode(value));
     }
 
     return true;
@@ -726,10 +726,10 @@ JSCommonJSModule* JSCommonJSModule::create(
         if (auto* parentModule = jsDynamicCast<JSCommonJSModule*>(parent)) {
             out->m_parent = JSC::Weak<JSCommonJSModule>(parentModule);
         } else {
-            out->m_overridenParent.set(vm, out, parent);
+            out->m_overriddenParent.set(vm, out, parent);
         }
     } else if (parent) {
-        out->m_overridenParent.set(vm, out, parent);
+        out->m_overriddenParent.set(vm, out, parent);
     }
 
     return out;
@@ -1022,7 +1022,7 @@ void JSCommonJSModule::visitChildrenImpl(JSCell* cell, Visitor& visitor)
     visitor.appendHidden(thisObject->m_filename);
     visitor.appendHidden(thisObject->m_dirname);
     visitor.appendHidden(thisObject->m_paths);
-    visitor.appendHidden(thisObject->m_overridenParent);
+    visitor.appendHidden(thisObject->m_overriddenParent);
 }
 
 DEFINE_VISIT_CHILDREN(JSCommonJSModule);
@@ -1061,8 +1061,8 @@ void JSCommonJSModule::analyzeHeap(JSCell* cell, HeapAnalyzer& analyzer)
         }
     }
 
-    if (thisObject->m_overridenParent) {
-        JSValue overridenParent = thisObject->m_overridenParent.get();
+    if (thisObject->m_overriddenParent) {
+        JSValue overridenParent = thisObject->m_overriddenParent.get();
         if (overridenParent.isCell()) {
             const Identifier overridenParentIdentifier = Identifier::fromString(vm, "parent"_s);
             analyzer.analyzePropertyNameEdge(cell, overridenParent.asCell(), overridenParentIdentifier.impl());

src/bun.js/bindings/CommonJSModuleRecord.h

@@ -46,7 +46,7 @@ public:
     //
     //    module.parent = parent;
     //
-    mutable JSC::WriteBarrier<Unknown> m_overridenParent;
+    mutable JSC::WriteBarrier<Unknown> m_overriddenParent;
 
     // Not visited by the GC.
     // When the module is assigned a JSCommonJSModule parent, it is assigned to this field.

src/bun.js/bindings/NodeModuleModule.bind.ts

@@ -0,0 +1,8 @@
+import { fn, t } from "bindgen";
+
+export const _stat = fn({
+  args: {
+    str: t.UTF8String,
+  },
+  ret: t.i32,
+});

src/bun.js/bindings/NodeModuleModule.zig

@@ -64,3 +64,12 @@ fn findPathInner(
     );
     return errorable.unwrap() catch null;
 }
+
+pub fn _stat(path: []const u8) i32 {
+    const exists = bun.sys.existsAtType(.cwd(), path).unwrap() catch
+        return -1; // Returns a negative integer for any other kind of strings.
+    return switch (exists) {
+        .file => 0, // Returns 0 for files.
+        .directory => 1, // Returns 1 for directories.
+    };
+}

src/bun.js/bindings/isBuiltinModule.cpp

@@ -86,9 +86,16 @@ namespace Bun {
 bool isBuiltinModule(const String& namePossiblyWithNodePrefix)
 {
     String name = namePossiblyWithNodePrefix;
-    if (name.startsWith("node:"_s))
+    if (name.startsWith("node:"_s)) {
         name = name.substringSharingImpl(5);
 
+        // bun doesn't have `node:test` as of writing, but this makes sure that
+        // `node:module` is compatible (`test/parallel/test-module-isBuiltin.js`)
+        if (name == "test"_s) {
+            return true;
+        }
+    }
+
     for (auto& builtinModule : builtinModuleNamesSortedLength) {
         if (name == builtinModule)
             return true;

src/bun.js/module_loader.zig

@@ -1786,6 +1786,24 @@ pub const ModuleLoader = struct {
                     };
                 }
 
+                if (parse_result.empty) {
+                    const was_cjs = (loader == .js or loader == .ts) and brk: {
+                        const ext = std.fs.path.extension(parse_result.source.path.text);
+                        break :brk strings.eqlComptime(ext, ".cjs") or strings.eqlComptime(ext, ".cts");
+                    };
+                    if (was_cjs) {
+                        return .{
+                            .allocator = null,
+                            .source_code = bun.String.static("(function(){})"),
+                            .specifier = input_specifier,
+                            .source_url = input_specifier.createIfDifferent(path.text),
+                            .is_commonjs_module = true,
+                            .hash = 0,
+                            .tag = .javascript,
+                        };
+                    }
+                }
+
                 if (cache.entry) |*entry| {
                     jsc_vm.source_mappings.putMappings(parse_result.source, .{
                         .list = .{ .items = @constCast(entry.sourcemap), .capacity = entry.sourcemap.len },

src/bun.js/modules/NodeModuleModule.cpp

@@ -1,23 +1,21 @@
 #include "root.h"
+#include "headers-handwritten.h"
+#include "NodeModuleModule.h"
 
 #include <JavaScriptCore/JSCInlines.h>
-
 #include <JavaScriptCore/VM.h>
-
 #include <JavaScriptCore/JSString.h>
-
-#include "headers-handwritten.h"
+#include <JavaScriptCore/FunctionPrototype.h>
+#include <JavaScriptCore/LazyPropertyInlines.h>
+#include <JavaScriptCore/VMTrapsInlines.h>
 
 #include "PathInlines.h"
 #include "ZigGlobalObject.h"
 #include "headers.h"
-#include <JavaScriptCore/FunctionPrototype.h>
-
-#include "NodeModuleModule.h"
-
 #include "ErrorCode.h"
-#include <JavaScriptCore/LazyPropertyInlines.h>
-#include <JavaScriptCore/VMTrapsInlines.h>
+
+#include "GeneratedNodeModuleModule.h"
+
 namespace Bun {
 
 using namespace JSC;
@@ -237,20 +235,22 @@ JSC_DEFINE_HOST_FUNCTION(jsFunctionNodeModuleCreateRequire,
             "createRequire() requires at least one argument"_s);
     }
 
-    auto val = callFrame->uncheckedArgument(0).toWTFString(globalObject);
+    auto argument = callFrame->uncheckedArgument(0);
+    auto val = argument.toWTFString(globalObject);
     RETURN_IF_EXCEPTION(scope, {});
 
-    if (val.startsWith("file://"_s)) {
+    if (!isAbsolutePath(val)) {
         WTF::URL url(val);
         if (!url.isValid()) {
-            throwTypeError(globalObject, scope,
-                makeString("createRequire() was given an invalid URL '"_s,
-                    url.string(), "'"_s));
+            ERR::INVALID_ARG_VALUE(scope, globalObject,
+                "filename"_s, argument,
+                "must be a file URL object, file URL string, or absolute path string"_s);
             RELEASE_AND_RETURN(scope, JSValue::encode({}));
         }
         if (!url.protocolIsFile()) {
-            throwTypeError(globalObject, scope,
-                "createRequire() does not support non-file URLs"_s);
+            ERR::INVALID_ARG_VALUE(scope, globalObject,
+                "filename"_s, argument,
+                "must be a file URL object, file URL string, or absolute path string"_s);
             RELEASE_AND_RETURN(scope, JSValue::encode({}));
         }
         val = url.fileSystemPath();
@@ -708,6 +708,7 @@ _pathCache              getPathCacheObject                PropertyCallback
 _preloadModules         jsFunctionPreloadModules          Function 0
 _resolveFilename        nodeModuleResolveFilename         CustomAccessor
 _resolveLookupPaths     jsFunctionResolveLookupPaths      Function 2
+_stat                   &Generated::NodeModuleModule::js_stat Function 1
 builtinModules          getBuiltinModulesObject           PropertyCallback
 constants               getConstantsObject                PropertyCallback
 createRequire           jsFunctionNodeModuleCreateRequire Function 1

src/bunfig.zig

@@ -354,7 +354,7 @@ pub const Bunfig = struct {
                 }
             }
 
-            if (comptime cmd.isNPMRelated() or cmd == .RunCommand or cmd == .AutoCommand) {
+            if (comptime cmd.isNPMRelated() or cmd == .RunCommand or cmd == .AutoCommand or cmd == .TestCommand) {
                 if (json.getObject("install")) |install_obj| {
                     var install: *Api.BunInstall = this.ctx.install orelse brk: {
                         const install = try this.allocator.create(Api.BunInstall);

src/resolver/resolver.zig

@@ -877,6 +877,13 @@ pub const Resolver = struct {
         // defer r.mutex.unlock();
         errdefer (r.flushDebugLogs(.fail) catch {});
 
+        // A path with a null byte cannot exist on the filesystem. Continuing
+        // anyways would cause assertion failures.
+        if (bun.strings.indexOfChar(import_path, 0) != null) {
+            r.flushDebugLogs(.fail) catch {};
+            return .{ .not_found = {} };
+        }
+
         var tmp = r.resolveWithoutSymlinks(source_dir_normalized, import_path, kind, global_cache);
 
         // Fragments in URLs in CSS imports are technically expected to work
@@ -1108,6 +1115,24 @@ pub const Resolver = struct {
         // Treating these paths as absolute paths on all platforms means Windows
         // users will not be able to accidentally make use of these paths.
         if (std.fs.path.isAbsolute(import_path)) {
+            // Collapse relative directory specifiers if they exist. Extremely
+            // loose check to avoid always doing this copy, but avoid spending
+            // too much time on the check.
+            if (bun.strings.indexOf(import_path, "..") != null) {
+                const platform = bun.path.Platform.auto;
+                const ends_with_dir = platform.isSeparator(import_path[import_path.len - 1]) or
+                    (import_path.len > 3 and
+                    platform.isSeparator(import_path[import_path.len - 3]) and
+                    import_path[import_path.len - 2] == '.' and
+                    import_path[import_path.len - 1] == '.');
+                const buf = bufs(.relative_abs_path);
+                import_path = r.fs.absBuf(&.{import_path}, buf);
+                if (ends_with_dir) {
+                    buf[import_path.len] = platform.separator();
+                    import_path.len += 1;
+                }
+            }
+
             if (r.debug_logs) |*debug| {
                 debug.addNoteFmt("The import \"{s}\" is being treated as an absolute path", .{import_path});
             }
@@ -3380,89 +3405,65 @@ pub const Resolver = struct {
 
         const in_str = try argument.toBunString(globalThis);
         defer in_str.deref();
-        const r = &globalThis.bunVM().transpiler.resolver;
-        return nodeModulePathsJSValue(r, in_str, globalThis);
+        return nodeModulePathsJSValue(in_str, globalThis);
     }
 
     pub export fn Resolver__propForRequireMainPaths(globalThis: *bun.JSC.JSGlobalObject) callconv(.C) JSC.JSValue {
         bun.JSC.markBinding(@src());
 
         const in_str = bun.String.init(".");
-        const r = &globalThis.bunVM().transpiler.resolver;
-        return nodeModulePathsJSValue(r, in_str, globalThis);
+        return nodeModulePathsJSValue(in_str, globalThis);
     }
 
-    pub fn nodeModulePathsJSValue(
-        r: *ThisResolver,
-        in_str: bun.String,
-        globalObject: *bun.JSC.JSGlobalObject,
-    ) bun.JSC.JSValue {
-        var list = std.ArrayList(bun.String).init(bun.default_allocator);
-        defer list.deinit();
-
-        const sliced = in_str.toUTF8(bun.default_allocator);
-        defer sliced.deinit();
-
-        const str = brk: {
-            if (std.fs.path.isAbsolute(sliced.slice())) {
-                if (comptime Environment.isWindows) {
-                    const dir_path_buf = bufs(.node_modules_paths_buf);
-                    var normalizer = bun.path.PosixToWinNormalizer{};
-                    const normalized = normalizer.resolveCWD(sliced.slice()) catch {
-                        @panic("Failed to get cwd for _nodeModulesPaths");
-                    };
-                    break :brk bun.path.normalizeBuf(normalized, dir_path_buf, .windows);
-                }
-                break :brk sliced.slice();
-            }
-            const dir_path_buf = bufs(.node_modules_paths_buf);
-            break :brk bun.path.joinStringBuf(dir_path_buf, &[_]string{ r.fs.top_level_dir, sliced.slice() }, .auto);
-        };
+    pub fn nodeModulePathsJSValue(in_str: bun.String, globalObject: *bun.JSC.JSGlobalObject) bun.JSC.JSValue {
         var arena = std.heap.ArenaAllocator.init(bun.default_allocator);
         defer arena.deinit();
         var stack_fallback_allocator = std.heap.stackFallback(1024, arena.allocator());
         const alloc = stack_fallback_allocator.get();
 
-        if (r.readDirInfo(str) catch null) |result| {
-            var dir_info = result;
+        var list = std.ArrayList(bun.String).init(alloc);
+        defer list.deinit();
 
-            while (true) {
-                const path_without_trailing_slash = strings.withoutTrailingSlash(dir_info.abs_path);
-                const path_parts = brk: {
-                    if (path_without_trailing_slash.len == 1 and path_without_trailing_slash[0] == '/') {
-                        break :brk [2]string{ "", std.fs.path.sep_str ++ "node_modules" };
-                    }
+        const sliced = in_str.toUTF8(bun.default_allocator);
+        defer sliced.deinit();
+        const buf = bufs(.node_modules_paths_buf);
 
-                    break :brk [2]string{ path_without_trailing_slash, std.fs.path.sep_str ++ "node_modules" };
+        const full_path = bun.path.joinAbsStringBuf(
+            bun.fs.FileSystem.instance.top_level_dir,
+            buf,
+            &.{sliced.slice()},
+            .auto,
+        );
+        const root_index = switch (bun.Environment.os) {
+            .windows => bun.path.windowsFilesystemRoot(full_path).len,
+            else => 1,
         };
-                const nodemodules_path = bun.strings.concat(alloc, &path_parts) catch unreachable;
-                bun.path.posixToPlatformInPlace(u8, nodemodules_path);
-                list.append(bun.String.createUTF8(nodemodules_path)) catch unreachable;
-                dir_info = (r.readDirInfo(std.fs.path.dirname(path_without_trailing_slash) orelse break) catch null) orelse break;
-            }
-        } else {
-            // does not exist
-            const full_path = std.fs.path.resolve(r.allocator, &[1][]const u8{str}) catch unreachable;
-            var path = strings.withoutTrailingSlash(full_path);
-            while (true) {
-                const path_without_trailing_slash = strings.withoutTrailingSlash(path);
+        var root_path: []const u8 = full_path[0..root_index];
+        if (full_path.len > root_path.len) {
+            var it = std.mem.splitBackwardsScalar(u8, full_path[root_index..], std.fs.path.sep);
+            while (it.next()) |part| {
+                if (strings.eqlComptime(part, "node_modules"))
+                    continue;
 
-                list.append(
-                    bun.String.createUTF8(
-                        bun.strings.concat(
-                            alloc,
-                            &[_]string{
-                                path_without_trailing_slash,
-                                std.fs.path.sep_str ++ "node_modules",
+                list.append(bun.String.createFormat(
+                    "{s}{s}" ++ std.fs.path.sep_str ++ "node_modules",
+                    .{
+                        root_path,
+                        it.buffer[0 .. (if (it.index) |i| i + 1 else 0) + part.len],
                     },
-                        ) catch unreachable,
-                    ),
-                ) catch unreachable;
+                ) catch bun.outOfMemory()) catch bun.outOfMemory();
+            }
+        }
 
-                path = path[0 .. strings.lastIndexOfChar(path, std.fs.path.sep) orelse break];
-            }
+        while (root_path.len > 0 and bun.path.Platform.auto.isSeparator(root_path[root_path.len - 1])) {
+            root_path.len -= 1;
         }
 
+        list.append(bun.String.createFormat(
+            "{s}" ++ std.fs.path.sep_str ++ "node_modules",
+            .{root_path},
+        ) catch bun.outOfMemory()) catch bun.outOfMemory();
+
         return bun.String.toJSArray(globalObject, list.items);
     }
 

src/sys.zig

@@ -3367,7 +3367,7 @@ pub fn existsAtType(fd: bun.FileDescriptor, subpath: anytype) Maybe(ExistsAtType
     if (std.meta.sentinel(@TypeOf(subpath)) == null) {
         const path_buf = bun.PathBufferPool.get();
         defer bun.PathBufferPool.put(path_buf);
-        @memcpy(path_buf, subpath);
+        @memcpy(path_buf[0..subpath.len], subpath);
         path_buf[subpath.len] = 0;
         const slice: [:0]const u8 = @ptrCast(path_buf);
         return existsAtType(fd, slice);

test/js/node/process/process.test.js

@@ -308,6 +308,7 @@ it("process.config", () => {
   expect(process.config).toEqual({
     variables: {
       enable_lto: false,
+      node_module_version: expect.any(Number),
       v8_enable_i8n_support: 1,
     },
     target_defaults: {},

test/js/node/test/find-new-passes.ts

@@ -1,61 +0,0 @@
-import path from "path";
-import fs from "fs";
-import { spawn } from "child_process";
-
-const localDir = path.resolve(import.meta.dirname, "./parallel");
-const upstreamDir = path.resolve(import.meta.dirname, "../../../node.js/upstream/test/parallel");
-
-const localFiles = fs.readdirSync(localDir);
-const upstreamFiles = fs.readdirSync(upstreamDir);
-
-const newFiles = upstreamFiles.filter((file) => !localFiles.includes(file));
-
-process.on('SIGTERM', () => {
-  console.log("SIGTERM received");
-});
-process.on('SIGINT', () => {
-  console.log("SIGINT received");
-});
-
-const stdin = process.stdin;
-if (stdin.isTTY) {
-  stdin.setRawMode(true);
-  stdin.on('data', (data) => {
-    if (data[0] === 0x03) {
-      stdin.setRawMode(false);
-      console.log("Cancelled");
-      process.exit(0);
-    }
-  });
-}
-process.on('exit', () => {
-  if (stdin.isTTY) {
-    stdin.setRawMode(false);
-  }
-});
-
-for (const file of newFiles) {
-  await new Promise<void>((resolve, reject) => {
-    // Run with a timeout of 5 seconds
-    const proc = spawn("bun-debug", ["run", path.join(upstreamDir, file)], {
-      timeout: 5000,
-      stdio: "inherit",
-      env: {
-        ...process.env,
-        BUN_DEBUG_QUIET_LOGS: "1",
-      },
-    });
-
-    proc.on("error", (err) => {
-      console.error(err);
-    });
-
-    proc.on("exit", (code) => {
-      if (code === 0) {
-        console.log(`New Pass: ${file}`);
-        fs.appendFileSync("new-passes.txt", file + "\n");
-      }
-      resolve();
-    });
-  });
-}

test/js/node/test/parallel/test-dns-channel-timeout.js

@@ -5,10 +5,10 @@ const dgram = require('dgram');
 const dns = require('dns');
 
 if (typeof Bun !== 'undefined') {
-  if (process.platform === 'win32' && require('harness').isCI) {
+  if (process.platform === 'win32' && require('../../../../harness').isCI) {
     // TODO(@heimskr): This test mysteriously takes forever in Windows in CI
     // possibly due to UDP keeping the event loop alive longer than it should.
-    process.exit(0);
+    common.skip('Windows CI is flaky');
   }
 }
 

test/js/node/test/parallel/test-module-create-require.js

@@ -0,0 +1,32 @@
+'use strict';
+
+require('../common');
+const fixtures = require('../common/fixtures');
+const assert = require('assert');
+
+const { createRequire } = require('module');
+
+const u = fixtures.fileURL('fake.js');
+
+const reqToo = createRequire(u);
+assert.deepStrictEqual(reqToo('./experimental'), { ofLife: 42 });
+
+assert.throws(() => {
+  createRequire('https://github.com/nodejs/node/pull/27405/');
+}, {
+  code: 'ERR_INVALID_ARG_VALUE'
+});
+
+assert.throws(() => {
+  createRequire('../');
+}, {
+  code: 'ERR_INVALID_ARG_VALUE'
+});
+
+assert.throws(() => {
+  createRequire({});
+}, {
+  code: 'ERR_INVALID_ARG_VALUE',
+  message: 'The argument \'filename\' must be a file URL object, file URL ' +
+           'string, or absolute path string. Received {}'
+});

test/js/node/test/parallel/test-module-isBuiltin.js

@@ -0,0 +1,16 @@
+'use strict';
+require('../common');
+const assert = require('assert');
+const { isBuiltin } = require('module');
+
+// Includes modules in lib/ (even deprecated ones)
+assert(isBuiltin('http'));
+assert(isBuiltin('sys'));
+assert(isBuiltin('node:fs'));
+assert(isBuiltin('node:test'));
+
+// Does not include internal modules
+assert(!isBuiltin('internal/errors'));
+assert(!isBuiltin('test'));
+assert(!isBuiltin(''));
+assert(!isBuiltin(undefined));

test/js/node/test/parallel/test-module-loading-deprecated.js

@@ -0,0 +1,10 @@
+'use strict';
+
+const common = require('../common');
+const assert = require('assert');
+
+// common.expectWarning('DeprecationWarning', {
+//   DEP0128: /^Invalid 'main' field in '.+main[/\\]package\.json' of 'doesnotexist\.js'\..+module author/
+// });
+
+assert.strictEqual(require('../fixtures/packages/missing-main').ok, 'ok');

test/js/node/test/parallel/test-module-nodemodulepaths.js

@@ -0,0 +1,127 @@
+// Copyright Joyent, Inc. and other Node contributors.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to permit
+// persons to whom the Software is furnished to do so, subject to the
+// following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
+// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+// USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+'use strict';
+
+const common = require('../common');
+const assert = require('assert');
+const _module = require('module');
+
+const cases = {
+  'WIN': [{
+    file: 'C:\\Users\\hefangshi\\AppData\\Roaming\
+\\npm\\node_modules\\npm\\node_modules\\minimatch',
+    expect: [
+      'C:\\Users\\hefangshi\\AppData\\Roaming\
+\\npm\\node_modules\\npm\\node_modules\\minimatch\\node_modules',
+      'C:\\Users\\hefangshi\\AppData\\Roaming\
+\\npm\\node_modules\\npm\\node_modules',
+      'C:\\Users\\hefangshi\\AppData\\Roaming\\npm\\node_modules',
+      'C:\\Users\\hefangshi\\AppData\\Roaming\\node_modules',
+      'C:\\Users\\hefangshi\\AppData\\node_modules',
+      'C:\\Users\\hefangshi\\node_modules',
+      'C:\\Users\\node_modules',
+      'C:\\node_modules',
+    ]
+  }, {
+    file: 'C:\\Users\\Rocko Artischocko\\node_stuff\\foo',
+    expect: [
+      'C:\\Users\\Rocko Artischocko\\node_stuff\\foo\\node_modules',
+      'C:\\Users\\Rocko Artischocko\\node_stuff\\node_modules',
+      'C:\\Users\\Rocko Artischocko\\node_modules',
+      'C:\\Users\\node_modules',
+      'C:\\node_modules',
+    ]
+  }, {
+    file: 'C:\\Users\\Rocko Artischocko\\node_stuff\\foo_node_modules',
+    expect: [
+      'C:\\Users\\Rocko \
+Artischocko\\node_stuff\\foo_node_modules\\node_modules',
+      'C:\\Users\\Rocko Artischocko\\node_stuff\\node_modules',
+      'C:\\Users\\Rocko Artischocko\\node_modules',
+      'C:\\Users\\node_modules',
+      'C:\\node_modules',
+    ]
+  }, {
+    file: 'C:\\node_modules',
+    expect: [
+      'C:\\node_modules',
+    ]
+  }, {
+    file: 'C:\\',
+    expect: [
+      'C:\\node_modules',
+    ]
+  }],
+  'POSIX': [{
+    file: '/usr/lib/node_modules/npm/node_modules/\
+node-gyp/node_modules/glob/node_modules/minimatch',
+    expect: [
+      '/usr/lib/node_modules/npm/node_modules/\
+node-gyp/node_modules/glob/node_modules/minimatch/node_modules',
+      '/usr/lib/node_modules/npm/node_modules/\
+node-gyp/node_modules/glob/node_modules',
+      '/usr/lib/node_modules/npm/node_modules/node-gyp/node_modules',
+      '/usr/lib/node_modules/npm/node_modules',
+      '/usr/lib/node_modules',
+      '/usr/node_modules',
+      '/node_modules',
+    ]
+  }, {
+    file: '/usr/test/lib/node_modules/npm/foo',
+    expect: [
+      '/usr/test/lib/node_modules/npm/foo/node_modules',
+      '/usr/test/lib/node_modules/npm/node_modules',
+      '/usr/test/lib/node_modules',
+      '/usr/test/node_modules',
+      '/usr/node_modules',
+      '/node_modules',
+    ]
+  }, {
+    file: '/usr/test/lib/node_modules/npm/foo_node_modules',
+    expect: [
+      '/usr/test/lib/node_modules/npm/foo_node_modules/node_modules',
+      '/usr/test/lib/node_modules/npm/node_modules',
+      '/usr/test/lib/node_modules',
+      '/usr/test/node_modules',
+      '/usr/node_modules',
+      '/node_modules',
+    ]
+  }, {
+    file: '/node_modules',
+    expect: [
+      '/node_modules',
+    ]
+  }, {
+    file: '/',
+    expect: [
+      '/node_modules',
+    ]
+  }]
+};
+
+const platformCases = common.isWindows ? cases.WIN : cases.POSIX;
+platformCases.forEach((c) => {
+  const paths = _module._nodeModulePaths(c.file);
+  assert.deepStrictEqual(
+    c.expect, paths,
+    `case ${c.file} failed, actual paths is ${JSON.stringify(paths)}`);
+});

test/js/node/test/parallel/test-module-parent-deprecation.js

@@ -0,0 +1,14 @@
+// Flags: --pending-deprecation
+
+'use strict';
+const common = require('../common');
+const assert = require('assert');
+
+// common.expectWarning(
+//   'DeprecationWarning',
+//   'module.parent is deprecated due to accuracy issues. Please use ' +
+//     'require.main to find program entry point instead.',
+//   'DEP0144'
+// );
+
+assert.strictEqual(module.parent, null);

test/js/node/test/parallel/test-module-parent-setter-deprecation.js

@@ -0,0 +1,13 @@
+// Flags: --pending-deprecation
+
+'use strict';
+const common = require('../common');
+
+// common.expectWarning(
+//   'DeprecationWarning',
+//   'module.parent is deprecated due to accuracy issues. Please use ' +
+//     'require.main to find program entry point instead.',
+//   'DEP0144'
+// );
+
+module.parent = undefined;

test/js/node/test/parallel/test-module-stat.js

@@ -0,0 +1,24 @@
+'use strict';
+require('../common');
+
+// This tests Module._stat.
+
+const Module = require('module');
+const fs = require('fs');
+const tmpdir = require('../common/tmpdir');
+const { ok, strictEqual } = require('assert');
+
+const directory = tmpdir.resolve('directory');
+const doesNotExist = tmpdir.resolve('does-not-exist');
+const file = tmpdir.resolve('file.js');
+
+tmpdir.refresh();
+fs.writeFileSync(file, "module.exports = { a: 'b' }");
+fs.mkdirSync(directory);
+
+strictEqual(Module._stat(directory), 1); // Returns 1 for directories.
+strictEqual(Module._stat(file), 0); // Returns 0 for files.
+ok(Module._stat(doesNotExist) < 0); // Returns a negative integer for any other kind of strings.
+
+// TODO(RaisinTen): Add tests that make sure that Module._stat() does not crash when called
+// with a non-string data type. It crashes currently.

test/js/node/test/parallel/test-module-version.js

@@ -0,0 +1,10 @@
+'use strict';
+require('../common');
+const assert = require('assert');
+
+// check for existence
+assert(Object.hasOwn(process.config.variables, 'node_module_version'));
+
+// Ensure that `node_module_version` is an Integer > 0
+assert(Number.isInteger(process.config.variables.node_module_version));
+assert(process.config.variables.node_module_version > 0);

test/js/node/test/parallel/test-require-enoent-dir.js

@@ -0,0 +1,34 @@
+'use strict';
+
+const common = require('../common');
+const tmpdir = require('../common/tmpdir');
+const assert = require('assert');
+const fs = require('fs');
+const path = require('path');
+
+tmpdir.refresh();
+
+const fooPath = tmpdir.resolve('foo.cjs');
+fs.writeFileSync(fooPath, '');
+
+const dirPath = tmpdir.resolve('delete_me');
+fs.mkdirSync(dirPath, {
+  recursive: true,
+});
+
+const barPath = path.join(dirPath, 'bar.cjs');
+fs.writeFileSync(
+  barPath,
+  `
+    module.exports = () => require('../foo.cjs').call()
+`
+);
+
+const foo = require(fooPath);
+console.log('fooPath', fooPath, foo);
+const unique = Symbol('unique');
+foo.call = common.mustCall(() => unique);
+const bar = require(barPath);
+
+fs.rmSync(dirPath, { recursive: true });
+assert.strict.equal(bar(), unique);

test/js/node/test/parallel/test-require-extension-over-directory.js

@@ -0,0 +1,30 @@
+'use strict';
+// Fixes regression from v4
+require('../common');
+const assert = require('assert');
+const fixtures = require('../common/fixtures');
+const path = require('path');
+
+const fixturesRequire = require(
+  fixtures.path('module-extension-over-directory', 'inner'));
+
+assert.strictEqual(
+  fixturesRequire,
+  require(fixtures.path('module-extension-over-directory', 'inner.js')),
+  'test-require-extension-over-directory failed to import fixture' +
+  ' requirements'
+);
+
+const fakePath = [
+  fixtures.path('module-extension-over-directory', 'inner'),
+  'fake',
+  '..',
+].join(path.sep);
+const fixturesRequireDir = require(fakePath);
+
+assert.strictEqual(
+  fixturesRequireDir,
+  require(fixtures.path('module-extension-over-directory', 'inner/')),
+  'test-require-extension-over-directory failed to import fixture' +
+  ' requirements'
+);

test/js/node/test/parallel/test-require-invalid-package.js

@@ -0,0 +1,9 @@
+'use strict';
+
+require('../common');
+const assert = require('assert');
+
+// Should be an invalid package path.
+assert.throws(() => require('package.json'),
+              { code: 'MODULE_NOT_FOUND' }
+);

test/js/node/test/parallel/test-require-nul.js

@@ -0,0 +1,11 @@
+'use strict';
+
+require('../common');
+const assert = require('assert');
+
+// Nul bytes should throw, not abort.
+/* eslint-disable no-control-regex */
+assert.throws(() => require('\u0000ab'), /'\u0000ab'/);
+assert.throws(() => require('a\u0000b'), /'a\u0000b'/);
+assert.throws(() => require('ab\u0000'), /'ab\u0000'/);
+/* eslint-enable no-control-regex */

test/js/node/test/tsconfig.json

@@ -0,0 +1,5 @@
+{
+  "compilerOptions": {
+    "baseUrl": null,
+  }
+}