feat(es/module): support node interop

crates/swc/src/builder.rs

@@ -182,14 +182,18 @@ impl<'a, 'b, P: swc_ecma_visit::Fold> PassBuilder<'a, 'b, P> {
     where
         P: 'cmt,
     {
-        let (need_analyzer, no_interop, ignore_dynamic) = match module {
-            Some(ModuleConfig::CommonJs(ref c)) => (true, c.no_interop, c.ignore_dynamic),
-            Some(ModuleConfig::Amd(ref c)) => (true, c.config.no_interop, c.config.ignore_dynamic),
-            Some(ModuleConfig::Umd(ref c)) => (true, c.config.no_interop, c.config.ignore_dynamic),
+        let (need_analyzer, import_interop, ignore_dynamic) = match module {
+            Some(ModuleConfig::CommonJs(ref c)) => (true, c.import_interop(), c.ignore_dynamic),
+            Some(ModuleConfig::Amd(ref c)) => {
+                (true, c.config.import_interop(), c.config.ignore_dynamic)
+            }
+            Some(ModuleConfig::Umd(ref c)) => {
+                (true, c.config.import_interop(), c.config.ignore_dynamic)
+            }
             Some(ModuleConfig::SystemJs(_))
             | Some(ModuleConfig::Es6)
             | Some(ModuleConfig::NodeNext)
-            | None => (false, true, true),
+            | None => (false, true.into(), true),
         };
 
         let mut feature_flag = FeatureFlag::empty();
@@ -320,7 +324,7 @@ impl<'a, 'b, P: swc_ecma_visit::Fold> PassBuilder<'a, 'b, P> {
             compat_pass,
             // module / helper
             Optional::new(
-                modules::import_analysis::import_analyzer(no_interop, ignore_dynamic),
+                modules::import_analysis::import_analyzer(import_interop, ignore_dynamic),
                 need_analyzer
             ),
             compat::reserved_words::reserved_words(),

crates/swc/tests/fixture/interop/babel/input/.swcrc

@@ -0,0 +1,12 @@
+{
+    "jsc": {
+        "parser": {
+            "syntax": "ecmascript"
+        },
+        "target": "es2020"
+    },
+    "module": {
+        "type": "commonjs",
+        "importInterop": "babel"
+    }
+}

crates/swc/tests/fixture/interop/babel/input/index.js

@@ -0,0 +1,9 @@
+import foo from "foo";
+import bar, { baz } from "bar";
+
+export const x = { foo, bar };
+export const y = baz;
+export default {
+    x,
+    y,
+};

crates/swc/tests/fixture/interop/babel/output/index.js

@@ -0,0 +1,28 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+function _export(target, all) {
+    for(var name in all)Object.defineProperty(target, name, {
+        get: all[name],
+        enumerable: true
+    });
+}
+_export(exports, {
+    default: ()=>_default,
+    x: ()=>x,
+    y: ()=>y
+});
+const _interopRequireDefault = require("@swc/helpers/lib/_interop_require_default.js").default;
+const _interopRequireWildcard = require("@swc/helpers/lib/_interop_require_wildcard.js").default;
+const _foo = _interopRequireDefault(require("foo"));
+const _bar = _interopRequireWildcard(require("bar"));
+const x = {
+    foo: _foo.default,
+    bar: _bar.default
+};
+const y = _bar.baz;
+var _default = {
+    x,
+    y
+};

crates/swc/tests/fixture/interop/node/input/.swcrc

@@ -0,0 +1,12 @@
+{
+    "jsc": {
+        "parser": {
+            "syntax": "ecmascript"
+        },
+        "target": "es2020"
+    },
+    "module": {
+        "type": "commonjs",
+        "importInterop": "node"
+    }
+}

crates/swc/tests/fixture/interop/node/input/index.js

@@ -0,0 +1,9 @@
+import foo from "foo";
+import bar, { baz } from "bar";
+
+export const x = { foo, bar };
+export const y = baz;
+export default {
+    x,
+    y,
+};

crates/swc/tests/fixture/interop/node/output/index.js

@@ -0,0 +1,28 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.y = exports.x = exports.default = void 0;
+function _export(target, all) {
+    for(var name in all)Object.defineProperty(target, name, {
+        get: all[name],
+        enumerable: true
+    });
+}
+_export(exports, {
+    default: ()=>_default,
+    x: ()=>x,
+    y: ()=>y
+});
+const _interopRequireWildcard = require("@swc/helpers/lib/_interop_require_wildcard.js").default;
+const _foo = require("foo");
+const _bar = _interopRequireWildcard(require("bar"), true);
+const x = {
+    foo: _foo,
+    bar: _bar.default
+};
+const y = _bar.baz;
+var _default = {
+    x,
+    y
+};

crates/swc/tests/fixture/interop/none/input/.swcrc

@@ -0,0 +1,12 @@
+{
+    "jsc": {
+        "parser": {
+            "syntax": "ecmascript"
+        },
+        "target": "es2020"
+    },
+    "module": {
+        "type": "commonjs",
+        "importInterop": "none"
+    }
+}

crates/swc/tests/fixture/interop/none/input/index.js

@@ -0,0 +1,9 @@
+import foo from "foo";
+import bar, { baz } from "bar";
+
+export const x = { foo, bar };
+export const y = baz;
+export default {
+    x,
+    y,
+};

crates/swc/tests/fixture/interop/none/output/index.js

@@ -0,0 +1,23 @@
+"use strict";
+function _export(target, all) {
+    for(var name in all)Object.defineProperty(target, name, {
+        get: all[name],
+        enumerable: true
+    });
+}
+_export(exports, {
+    default: ()=>_default,
+    x: ()=>x,
+    y: ()=>y
+});
+const _foo = require("foo");
+const _bar = require("bar");
+const x = {
+    foo: _foo.default,
+    bar: _bar.default
+};
+const y = _bar.baz;
+var _default = {
+    x,
+    y
+};

crates/swc/tests/fixture/interop/swc/input/.swcrc

@@ -0,0 +1,12 @@
+{
+    "jsc": {
+        "parser": {
+            "syntax": "ecmascript"
+        },
+        "target": "es2020"
+    },
+    "module": {
+        "type": "commonjs",
+        "importInterop": "swc"
+    }
+}

crates/swc/tests/fixture/interop/swc/input/index.js

@@ -0,0 +1,9 @@
+import foo from "foo";
+import bar, { baz } from "bar";
+
+export const x = { foo, bar };
+export const y = baz;
+export default {
+    x,
+    y,
+};

crates/swc/tests/fixture/interop/swc/output/index.js

@@ -0,0 +1,28 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+function _export(target, all) {
+    for(var name in all)Object.defineProperty(target, name, {
+        get: all[name],
+        enumerable: true
+    });
+}
+_export(exports, {
+    default: ()=>_default,
+    x: ()=>x,
+    y: ()=>y
+});
+const _interopRequireDefault = require("@swc/helpers/lib/_interop_require_default.js").default;
+const _interopRequireWildcard = require("@swc/helpers/lib/_interop_require_wildcard.js").default;
+const _foo = _interopRequireDefault(require("foo"));
+const _bar = _interopRequireWildcard(require("bar"));
+const x = {
+    foo: _foo.default,
+    bar: _bar.default
+};
+const y = _bar.baz;
+var _default = {
+    x,
+    y
+};

crates/swc_ecma_transforms_base/src/helpers/_interop_require_wildcard.js

@@ -1,28 +1,31 @@
-function _getRequireWildcardCache() {
+function _getRequireWildcardCache(nodeInterop) {
   if (typeof WeakMap !== "function") return null;
-  var cache = new WeakMap();
-  _getRequireWildcardCache = function () { return cache; };
-  return cache;
+
+  var cacheBabelInterop = new WeakMap();
+  var cacheNodeInterop = new WeakMap();
+  return (_getRequireWildcardCache = function (nodeInterop) {
+    return nodeInterop ? cacheNodeInterop : cacheBabelInterop;
+  })(nodeInterop);
 }
-function _interopRequireWildcard(obj) {
-  if (obj && obj.__esModule) {
+
+function _interopRequireWildcard(obj, nodeInterop) {
+  if (!nodeInterop && obj && obj.__esModule) {
     return obj;
   }
-  
+
   if (obj === null || (typeof obj !== "object" && typeof obj !== "function")) {
     return { default: obj }
   }
-  
-  var cache = _getRequireWildcardCache();
+
+  var cache = _getRequireWildcardCache(nodeInterop);
   if (cache && cache.has(obj)) {
     return cache.get(obj);
   }
 
   var newObj = {};
-
   var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor;
   for (var key in obj) {
-    if (Object.prototype.hasOwnProperty.call(obj, key)) {
+    if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) {
       var desc = hasPropertyDescriptor
         ? Object.getOwnPropertyDescriptor(obj, key)
         : null;

crates/swc_ecma_transforms_module/Cargo.toml

@@ -18,6 +18,7 @@ ahash = "0.7.4"
 anyhow = "1.0.41"
 bitflags = "1"
 indexmap = "1.8.0"
+is-macro = "0.2.0"
 path-clean = "0.1.0"
 pathdiff = "0.2.0"
 serde = { version = "1.0.118", features = ["derive"] }