fix(es/modules): Fix jsc.paths (#6454)

**Related issue:**

 - Closes #6446.

Author: kdy1

crates/swc/tests/fixture/deno/paths/cjs-001/output/index.ts

@@ -2,5 +2,5 @@
 Object.defineProperty(exports, "__esModule", {
     value: true
 });
-require("./src/dep.ts");
-require("./src2/dep-2.ts");
+require("./src/dep");
+require("./src2/dep-2");

crates/swc/tests/fixture/deno/paths/ext/002/output/index.js

@@ -1,2 +1,2 @@
-import styles from "./foo.ts/index.js";
+import styles from "./foo.ts/index";
 console.log(styles);

crates/swc/tests/fixture/deno/paths/issue-2126/output/src/index.ts

@@ -2,5 +2,5 @@
 Object.defineProperty(exports, "__esModule", {
     value: true
 });
-const _a = require("../packages/a/src/index.ts");
+const _a = require("../packages/a/src/index");
 console.log(`${(0, _a.displayA)()}`);

crates/swc/tests/fixture/deno/paths/issue-2724/output/src/index.ts

@@ -4,6 +4,6 @@ Object.defineProperty(exports, "__esModule", {
 });
 const _interopRequireWildcard = require("@swc/helpers/lib/_interop_require_wildcard.js").default;
 (async function() {
-    const { displayA  } = await Promise.resolve().then(()=>/*#__PURE__*/ _interopRequireWildcard(require("../packages/a/src/index.ts")));
+    const { displayA  } = await Promise.resolve().then(()=>/*#__PURE__*/ _interopRequireWildcard(require("../packages/a/src/index")));
     console.log(displayA());
 })();

crates/swc/tests/fixture/deno/paths/issue-2844/output/src/index.ts

@@ -2,7 +2,7 @@
 Object.defineProperty(exports, "__esModule", {
     value: true
 });
-require("./core/module/moduleFile.ts");
+require("./core/module/moduleFile");
 require("./core/utils");
 require("./core/utilFile");
 require("./utils");

crates/swc/tests/fixture/deno/paths/issue-3447/output/src/index.ts

@@ -1,3 +1,3 @@
-import { sum } from "./modules/01-moduleA/utils.ts";
+import { sum } from "./modules/01-moduleA/utils";
 export { multiply } from "./modules/03-moduleB/utils";
 console.log(sum(1, 2));

crates/swc/tests/fixture/issues-2xxx/2050/output/index.ts

@@ -3,5 +3,5 @@ Object.defineProperty(exports, "__esModule", {
     value: true
 });
 const _interopRequireDefault = require("@swc/helpers/lib/_interop_require_default.js").default;
-const _a = /*#__PURE__*/ _interopRequireDefault(require("./subfolder/A.ts"));
+const _a = /*#__PURE__*/ _interopRequireDefault(require("./subfolder/A"));
 console.log(_a.default);

crates/swc_ecma_transforms_module/src/path.rs

@@ -129,6 +129,8 @@ where
                 if use_orig {
                     p.set_extension(orig_ext);
                 }
+            } else {
+                p.set_extension("");
             }
 
             p.display().to_string().into()

crates/swc_ecma_transforms_module/tests/fixture-manual/issue-4730/output/index.js

@@ -1,6 +1,6 @@
-import { displayB } from "../packages/b/src/index.ts";
+import { displayB } from "../packages/b/src/index";
 async function display() {
-    const displayA = await import("../packages/a/src/index.ts").then((c)=>c.displayA);
+    const displayA = await import("../packages/a/src/index").then((c)=>c.displayA);
     console.log(displayA());
     console.log(displayB());
 }

node-swc/__tests__/transform/issue_4730_test.mjs

@@ -32,18 +32,18 @@ it("should work", async () => {
         },
     });
     expect(code).toMatchInlineSnapshot(`
-"\\"use strict\\";
-Object.defineProperty(exports, \\"__esModule\\", {
-    value: true
-});
-const _interopRequireWildcard = require(\\"@swc/helpers/lib/_interop_require_wildcard.js\\").default;
-const _b = require(\\"../packages/b/src/index.ts\\");
-async function display() {
-    const displayA = await Promise.resolve().then(()=>/*#__PURE__*/ _interopRequireWildcard(require(\\"../packages/a/src/index.ts\\"))).then((c)=>c.displayA);
-    console.log(displayA());
-    console.log((0, _b.displayB)());
-}
-display();
-"
-`);
+        "\\"use strict\\";
+        Object.defineProperty(exports, \\"__esModule\\", {
+            value: true
+        });
+        const _interopRequireWildcard = require(\\"@swc/helpers/lib/_interop_require_wildcard.js\\").default;
+        const _b = require(\\"../packages/b/src/index\\");
+        async function display() {
+            const displayA = await Promise.resolve().then(()=>/*#__PURE__*/ _interopRequireWildcard(require(\\"../packages/a/src/index\\"))).then((c)=>c.displayA);
+            console.log(displayA());
+            console.log((0, _b.displayB)());
+        }
+        display();
+        "
+    `);
 });