babel · nicolo-ribaudo · Oct 23, 2024 · Sep 2, 2024 · Sep 3, 2024 · Sep 3, 2024
diff --git a/packages/babel-helpers/src/helpers-generated.ts b/packages/babel-helpers/src/helpers-generated.ts
@@ -1134,15 +1134,15 @@ const helpers: Record<string, Helper> = {
       },
     },
   ),
-  // size: 153, gzip size: 136
+  // size: 149, gzip size: 134
   superPropGet: helper(
     "7.25.0",
-    'function _superPropertyGet(t,e,o,r){var p=get(getPrototypeOf(1&r?t.prototype:t),e,o);return 2&r&&"function"==typeof p?function(t){return p.apply(o,t)}:p}',
+    'function _superPropGet(t,o,e,r){var p=get(getPrototypeOf(1&r?t.prototype:t),o,e);return 2&r&&"function"==typeof p?function(t){return p.apply(e,t)}:p}',
     {
       globals: [],
-      locals: { _superPropertyGet: ["body.0.id"] },
+      locals: { _superPropGet: ["body.0.id"] },
       exportBindingAssignments: [],
-      exportName: "_superPropertyGet",
+      exportName: "_superPropGet",
       dependencies: {
         get: ["body.0.body.body.0.declarations.0.init.callee"],
         getPrototypeOf: [
@@ -1151,15 +1151,15 @@ const helpers: Record<string, Helper> = {
       },
     },
   ),
-  // size: 92, gzip size: 98
+  // size: 88, gzip size: 95
   superPropSet: helper(
     "7.25.0",
-    "function _superPropertySet(t,e,o,r,p,f){return set(getPrototypeOf(f?t.prototype:t),e,o,r,p)}",
+    "function _superPropSet(t,e,o,r,p,f){return set(getPrototypeOf(f?t.prototype:t),e,o,r,p)}",
     {
       globals: [],
-      locals: { _superPropertySet: ["body.0.id"] },
+      locals: { _superPropSet: ["body.0.id"] },
       exportBindingAssignments: [],
-      exportName: "_superPropertySet",
+      exportName: "_superPropSet",
       dependencies: {
         set: ["body.0.body.body.0.argument.callee"],
         getPrototypeOf: ["body.0.body.body.0.argument.arguments.0.callee"],

diff --git a/packages/babel-helpers/src/helpers/superPropGet.ts b/packages/babel-helpers/src/helpers/superPropGet.ts
@@ -8,7 +8,7 @@ const enum Flags {
   Call = 0b10,
 }
 
-export default function _superPropertyGet(
+export default function _superPropGet(
   classArg: any,
   property: string,
   receiver: any,

diff --git a/packages/babel-helpers/src/helpers/superPropSet.ts b/packages/babel-helpers/src/helpers/superPropSet.ts
@@ -3,7 +3,7 @@
 import set from "./set.ts";
 import getPrototypeOf from "./getPrototypeOf.ts";
 
-export default function _superPropertySet(
+export default function _superPropSet(
   classArg: any,
   property: string,
   value: any,

diff --git a/packages/babel-preset-typescript/src/plugin-rewrite-ts-imports.ts b/packages/babel-preset-typescript/src/plugin-rewrite-ts-imports.ts
@@ -1,25 +1,53 @@
 import { declare } from "@babel/helper-plugin-utils";
 import type { types as t, NodePath } from "@babel/core";
 
-export default declare(function ({ types: t }) {
+export default declare(function ({ types: t, template }) {
+  function maybeReplace(
+    source: t.ArgumentPlaceholder | t.SpreadElement | t.Expression,
+    path: NodePath,
+  ) {
+    if (!source) return;
+    if (t.isStringLiteral(source)) {
+      if (/[\\/]/.test(source.value)) {
+        source.value = source.value
+          .replace(/(\.[mc]?)ts$/, "$1js")
+          .replace(/\.tsx$/, ".js");
+      }
+      return;
+    }
+
+    path.replaceWith(
+      template.expression
+        .ast`(${source} + "").replace(/([\\/].*\.[mc]?)tsx?$/, "$1js")`,
+    );
+  }
+
   return {
     name: "preset-typescript/plugin-rewrite-ts-imports",
     visitor: {
-      "ImportDeclaration|ExportAllDeclaration|ExportNamedDeclaration"({
-        node,
-      }: NodePath<
-        t.ImportDeclaration | t.ExportAllDeclaration | t.ExportNamedDeclaration
-      >) {
-        const { source } = node;
+      "ImportDeclaration|ExportAllDeclaration|ExportNamedDeclaration"(
+        path: NodePath<
+          | t.ImportDeclaration
+          | t.ExportAllDeclaration
+          | t.ExportNamedDeclaration
+        >,
+      ) {
+        const node = path.node;
         const kind = t.isImportDeclaration(node)
           ? node.importKind
           : node.exportKind;
-        if (kind === "value" && source && /[\\/]/.test(source.value)) {
-          source.value = source.value
-            .replace(/(\.[mc]?)ts$/, "$1js")
-            .replace(/\.tsx$/, ".js");
+        if (kind === "value") {
+          maybeReplace(node.source, path.get("source"));
         }
       },
+      CallExpression(path) {
+        if (t.isImport(path.node.callee)) {
+          maybeReplace(path.node.arguments[0], path.get("arguments.0"));
+        }
+      },
+      ImportExpression(path) {
+        maybeReplace(path.node.source, path.get("source"));
+      },
     },
   };
 });
diff --git a/...et-typescript/test/fixtures/opts/rewriteImportExtensions-createImportExpressions/input.ts b/...et-typescript/test/fixtures/opts/rewriteImportExtensions-createImportExpressions/input.ts
@@ -0,0 +1,2 @@
+import("./a.ts");
+import(a);
diff --git a/...ypescript/test/fixtures/opts/rewriteImportExtensions-createImportExpressions/options.json b/...ypescript/test/fixtures/opts/rewriteImportExtensions-createImportExpressions/options.json
@@ -0,0 +1,7 @@
+{
+  "sourceType": "module",
+  "presets": [["typescript", { "rewriteImportExtensions": true }]],
+  "parserOpts": {
+    "createImportExpressions": true
+  }
+}
diff --git a/...-typescript/test/fixtures/opts/rewriteImportExtensions-createImportExpressions/output.mjs b/...-typescript/test/fixtures/opts/rewriteImportExtensions-createImportExpressions/output.mjs
@@ -0,0 +1,2 @@
+import("./a.js");
+import((a + "").replace(/([\/].*.[mc]?)tsx?$/, "$1js"));
diff --git a/packages/babel-preset-typescript/test/fixtures/opts/rewriteImportExtensions/input.ts b/packages/babel-preset-typescript/test/fixtures/opts/rewriteImportExtensions/input.ts
@@ -8,3 +8,9 @@ import "./react.ctsx";
 import "a-package/file.ts";
 // Bare import, it's either a node package or remapped by an import map
 import "soundcloud.ts";
+
+export * from "./a.ts";
+export {x} from "./a.mts";
+
+import("./a.ts");
+import(a);
diff --git a/packages/babel-preset-typescript/test/fixtures/opts/rewriteImportExtensions/output.mjs b/packages/babel-preset-typescript/test/fixtures/opts/rewriteImportExtensions/output.mjs
@@ -8,3 +8,7 @@ import "./react.ctsx";
 import "a-package/file.js";
 // Bare import, it's either a node package or remapped by an import map
 import "soundcloud.ts";
+export * from "./a.js";
+export { x } from "./a.mjs";
+import("./a.js");
+import((a + "").replace(/([\/].*.[mc]?)tsx?$/, "$1js"));
diff --git a/packages/babel-runtime-corejs3/helpers/esm/superPropGet.js b/packages/babel-runtime-corejs3/helpers/esm/superPropGet.js
@@ -1,9 +1,9 @@
 import get from "./get.js";
 import getPrototypeOf from "./getPrototypeOf.js";
-function _superPropertyGet(t, e, o, r) {
-  var p = get(getPrototypeOf(1 & r ? t.prototype : t), e, o);
+function _superPropGet(t, o, e, r) {
+  var p = get(getPrototypeOf(1 & r ? t.prototype : t), o, e);
   return 2 & r && "function" == typeof p ? function (t) {
-    return p.apply(o, t);
+    return p.apply(e, t);
   } : p;
 }
-export { _superPropertyGet as default };
+export { _superPropGet as default };
diff --git a/packages/babel-runtime-corejs3/helpers/esm/superPropSet.js b/packages/babel-runtime-corejs3/helpers/esm/superPropSet.js
@@ -1,6 +1,6 @@
 import set from "./set.js";
 import getPrototypeOf from "./getPrototypeOf.js";
-function _superPropertySet(t, e, o, r, p, f) {
+function _superPropSet(t, e, o, r, p, f) {
   return set(getPrototypeOf(f ? t.prototype : t), e, o, r, p);
 }
-export { _superPropertySet as default };
+export { _superPropSet as default };
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		import("./a.js");
		import((a + "").replace(/([\/].*.[mc]?)tsx?$/, "$1js"));