From 64961e057b9af1f8c038ffc8b1c36914884c4c82 Mon Sep 17 00:00:00 2001
From: liuxingbaoyu <30521560+liuxingbaoyu@users.noreply.github.com>
Date: Mon, 23 May 2022 08:59:52 +0800
Subject: [PATCH 1/7] fix

---
 packages/babel-core/package.json               |  1 +
 .../transformation/util/clone-deep-browser.ts  | 18 ++----------------
 .../src/transformation/util/clone-deep.ts      |  9 +++++++--
 yarn.lock                                      |  1 +
 4 files changed, 11 insertions(+), 18 deletions(-)

diff --git a/packages/babel-core/package.json b/packages/babel-core/package.json
index f2bad3f46361..4675f6856719 100644
--- a/packages/babel-core/package.json
+++ b/packages/babel-core/package.json
@@ -62,6 +62,7 @@
     "debug": "^4.1.0",
     "gensync": "^1.0.0-beta.2",
     "json5": "^2.2.1",
+    "lodash.clonedeep": "^4.5.0",
     "semver": "condition:BABEL_8_BREAKING ? ^7.3.4 : ^6.3.0"
   },
   "devDependencies": {
diff --git a/packages/babel-core/src/transformation/util/clone-deep-browser.ts b/packages/babel-core/src/transformation/util/clone-deep-browser.ts
index 78ae53ebf087..f790e20046ca 100644
--- a/packages/babel-core/src/transformation/util/clone-deep-browser.ts
+++ b/packages/babel-core/src/transformation/util/clone-deep-browser.ts
@@ -1,19 +1,5 @@
-const serialized = "$$ babel internal serialized type" + Math.random();
-
-function serialize(key, value) {
-  if (typeof value !== "bigint") return value;
-  return {
-    [serialized]: "BigInt",
-    value: value.toString(),
-  };
-}
-
-function revive(key, value) {
-  if (!value || typeof value !== "object") return value;
-  if (value[serialized] !== "BigInt") return value;
-  return BigInt(value.value);
-}
+import cloneDeep from "lodash.clonedeep";
 
 export default function (value) {
-  return JSON.parse(JSON.stringify(value, serialize), revive);
+  return cloneDeep(value);
 }
diff --git a/packages/babel-core/src/transformation/util/clone-deep.ts b/packages/babel-core/src/transformation/util/clone-deep.ts
index cc077ce937c1..c1ce7f0aa0f4 100644
--- a/packages/babel-core/src/transformation/util/clone-deep.ts
+++ b/packages/babel-core/src/transformation/util/clone-deep.ts
@@ -1,8 +1,13 @@
 import v8 from "v8";
-import cloneDeep from "./clone-deep-browser";
+import cloneDeep from "lodash.clonedeep";
+import semver from "semver";
 
 export default function (value) {
-  if (v8.deserialize && v8.serialize) {
+  if (
+    v8.deserialize &&
+    v8.serialize &&
+    semver.satisfies(process.versions.node, ">=18.2.0")
+  ) {
     return v8.deserialize(v8.serialize(value));
   }
   return cloneDeep(value);
diff --git a/yarn.lock b/yarn.lock
index 3c8958ee30c7..d01701960630 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -343,6 +343,7 @@ __metadata:
     debug: ^4.1.0
     gensync: ^1.0.0-beta.2
     json5: ^2.2.1
+    lodash.clonedeep: ^4.5.0
     semver: "condition:BABEL_8_BREAKING ? ^7.3.4 : ^6.3.0"
   languageName: unknown
   linkType: soft

From 558270c55f3057d713bc82a5e3d392ba4dd37694 Mon Sep 17 00:00:00 2001
From: liuxingbaoyu <30521560+liuxingbaoyu@users.noreply.github.com>
Date: Wed, 25 May 2022 20:07:14 +0800
Subject: [PATCH 2/7] review

---
 packages/babel-core/src/transformation/util/clone-deep.ts | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/packages/babel-core/src/transformation/util/clone-deep.ts b/packages/babel-core/src/transformation/util/clone-deep.ts
index c1ce7f0aa0f4..12ffaf024452 100644
--- a/packages/babel-core/src/transformation/util/clone-deep.ts
+++ b/packages/babel-core/src/transformation/util/clone-deep.ts
@@ -3,6 +3,8 @@ import cloneDeep from "lodash.clonedeep";
 import semver from "semver";
 
 export default function (value) {
+  // There was a memory leak prior to node 18.2.0
+  // https://github.com/nodejs/node/issues/40828
   if (
     v8.deserialize &&
     v8.serialize &&

From 3c536878671df364a44e1131721032a9307429f7 Mon Sep 17 00:00:00 2001
From: liuxingbaoyu <30521560+liuxingbaoyu@users.noreply.github.com>
Date: Wed, 25 May 2022 23:24:01 +0800
Subject: [PATCH 3/7] review

---
 packages/babel-core/package.json                                | 2 +-
 .../babel-core/src/transformation/util/clone-deep-browser.ts    | 2 +-
 packages/babel-core/src/transformation/util/clone-deep.ts       | 2 +-
 yarn.lock                                                       | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/packages/babel-core/package.json b/packages/babel-core/package.json
index 4675f6856719..0bd096531961 100644
--- a/packages/babel-core/package.json
+++ b/packages/babel-core/package.json
@@ -58,11 +58,11 @@
     "@babel/template": "workspace:^",
     "@babel/traverse": "workspace:^",
     "@babel/types": "workspace:^",
+    "clone-deep": "^4.0.1",
     "convert-source-map": "^1.7.0",
     "debug": "^4.1.0",
     "gensync": "^1.0.0-beta.2",
     "json5": "^2.2.1",
-    "lodash.clonedeep": "^4.5.0",
     "semver": "condition:BABEL_8_BREAKING ? ^7.3.4 : ^6.3.0"
   },
   "devDependencies": {
diff --git a/packages/babel-core/src/transformation/util/clone-deep-browser.ts b/packages/babel-core/src/transformation/util/clone-deep-browser.ts
index f790e20046ca..f375bbaf3f1c 100644
--- a/packages/babel-core/src/transformation/util/clone-deep-browser.ts
+++ b/packages/babel-core/src/transformation/util/clone-deep-browser.ts
@@ -1,4 +1,4 @@
-import cloneDeep from "lodash.clonedeep";
+import cloneDeep from "clone-deep";
 
 export default function (value) {
   return cloneDeep(value);
diff --git a/packages/babel-core/src/transformation/util/clone-deep.ts b/packages/babel-core/src/transformation/util/clone-deep.ts
index 12ffaf024452..d04e8cf2dc38 100644
--- a/packages/babel-core/src/transformation/util/clone-deep.ts
+++ b/packages/babel-core/src/transformation/util/clone-deep.ts
@@ -1,5 +1,5 @@
 import v8 from "v8";
-import cloneDeep from "lodash.clonedeep";
+import cloneDeep from "clone-deep";
 import semver from "semver";
 
 export default function (value) {
diff --git a/yarn.lock b/yarn.lock
index d01701960630..6d876f93baf0 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -339,11 +339,11 @@ __metadata:
     "@types/debug": ^4.1.0
     "@types/resolve": ^1.3.2
     "@types/semver": ^5.4.0
+    clone-deep: ^4.0.1
     convert-source-map: ^1.7.0
     debug: ^4.1.0
     gensync: ^1.0.0-beta.2
     json5: ^2.2.1
-    lodash.clonedeep: ^4.5.0
     semver: "condition:BABEL_8_BREAKING ? ^7.3.4 : ^6.3.0"
   languageName: unknown
   linkType: soft

From 58de55b4ac14fb64fc9fe1c3bee7e4384de44ef0 Mon Sep 17 00:00:00 2001
From: liuxingbaoyu <30521560+liuxingbaoyu@users.noreply.github.com>
Date: Fri, 27 May 2022 23:23:37 +0800
Subject: [PATCH 4/7] fix and rebase

---
 packages/babel-core/package.json              |  5 +--
 .../transformation/util/clone-deep-browser.ts |  5 ---
 .../src/transformation/util/clone-deep.ts     | 42 +++++++++++++------
 packages/babel-core/test/api.js               | 40 +++++++++++++++++-
 yarn.lock                                     |  1 -
 5 files changed, 69 insertions(+), 24 deletions(-)
 delete mode 100644 packages/babel-core/src/transformation/util/clone-deep-browser.ts

diff --git a/packages/babel-core/package.json b/packages/babel-core/package.json
index 0bd096531961..2460b44837e1 100644
--- a/packages/babel-core/package.json
+++ b/packages/babel-core/package.json
@@ -41,11 +41,9 @@
     "./lib/config/files/index.js": "./lib/config/files/index-browser.js",
     "./lib/config/resolve-targets.js": "./lib/config/resolve-targets-browser.js",
     "./lib/transform-file.js": "./lib/transform-file-browser.js",
-    "./lib/transformation/util/clone-deep.js": "./lib/transformation/util/clone-deep-browser.js",
     "./src/config/files/index.ts": "./src/config/files/index-browser.ts",
     "./src/config/resolve-targets.ts": "./src/config/resolve-targets-browser.ts",
-    "./src/transform-file.ts": "./src/transform-file-browser.ts",
-    "./src/transformation/util/clone-deep.ts": "./src/transformation/util/clone-deep-browser.ts"
+    "./src/transform-file.ts": "./src/transform-file-browser.ts"
   },
   "dependencies": {
     "@ampproject/remapping": "^2.1.0",
@@ -58,7 +56,6 @@
     "@babel/template": "workspace:^",
     "@babel/traverse": "workspace:^",
     "@babel/types": "workspace:^",
-    "clone-deep": "^4.0.1",
     "convert-source-map": "^1.7.0",
     "debug": "^4.1.0",
     "gensync": "^1.0.0-beta.2",
diff --git a/packages/babel-core/src/transformation/util/clone-deep-browser.ts b/packages/babel-core/src/transformation/util/clone-deep-browser.ts
deleted file mode 100644
index f375bbaf3f1c..000000000000
--- a/packages/babel-core/src/transformation/util/clone-deep-browser.ts
+++ /dev/null
@@ -1,5 +0,0 @@
-import cloneDeep from "clone-deep";
-
-export default function (value) {
-  return cloneDeep(value);
-}
diff --git a/packages/babel-core/src/transformation/util/clone-deep.ts b/packages/babel-core/src/transformation/util/clone-deep.ts
index d04e8cf2dc38..25e607dd7f65 100644
--- a/packages/babel-core/src/transformation/util/clone-deep.ts
+++ b/packages/babel-core/src/transformation/util/clone-deep.ts
@@ -1,16 +1,32 @@
-import v8 from "v8";
-import cloneDeep from "clone-deep";
-import semver from "semver";
+//https://github.com/babel/babel/pull/14583#discussion_r882828856
+function deepClone(value, cache) {
+  if (value !== null) {
+    if (cache.has(value)) return cache.get(value);
+    let cloned;
+    if (Array.isArray(value)) {
+      cloned = new Array(value.length);
+      for (let i = 0; i < value.length; i++) {
+        cloned[i] =
+          typeof value[i] !== "object" ? value[i] : deepClone(value[i], cache);
+      }
+    } else {
+      cloned = {};
+      const keys = Object.keys(value);
+      for (let i = 0; i < keys.length; i++) {
+        const key = keys[i];
+        cloned[key] =
+          typeof value[key] !== "object"
+            ? value[key]
+            : deepClone(value[key], cache);
+      }
+    }
+    cache.set(value, cloned);
+    return cloned;
+  }
+  return value;
+}
 
 export default function (value) {
-  // There was a memory leak prior to node 18.2.0
-  // https://github.com/nodejs/node/issues/40828
-  if (
-    v8.deserialize &&
-    v8.serialize &&
-    semver.satisfies(process.versions.node, ">=18.2.0")
-  ) {
-    return v8.deserialize(v8.serialize(value));
-  }
-  return cloneDeep(value);
+  if (typeof value !== "object") return value;
+  return deepClone(value, new Map());
 }
diff --git a/packages/babel-core/test/api.js b/packages/babel-core/test/api.js
index 39ec12d2740e..3b116014ae71 100644
--- a/packages/babel-core/test/api.js
+++ b/packages/babel-core/test/api.js
@@ -261,7 +261,45 @@ describe("api", function () {
     },
   );
 
-  it("transformFromAstSync should not mutate the AST", function () {
+  it("transformFromAst should generate same code with different cloneInputAst", function () {
+    const program = `//test1
+    /*test2*/var/*test3*/ a = 1/*test4*/;//test5
+    //test6
+    var b;
+    `;
+    const node = parse(program);
+    const { code } = transformFromAst(node, program, {
+      plugins: [
+        function () {
+          return {
+            visitor: {
+              Identifier: function (path) {
+                path.node.name = "replaced";
+              },
+            },
+          };
+        },
+      ],
+    });
+    const { code: code2 } = transformFromAst(node, program, {
+      cloneInputAst: false,
+      plugins: [
+        function () {
+          return {
+            visitor: {
+              Identifier: function (path) {
+                path.node.name = "replaced";
+              },
+            },
+          };
+        },
+      ],
+    });
+
+    expect(code).toBe(code2);
+  });
+
+  it("transformFromAst should not mutate the AST", function () {
     const program = "const identifier = 1";
     const node = parseSync(program);
     const { code } = transformFromAstSync(node, program, {
diff --git a/yarn.lock b/yarn.lock
index 6d876f93baf0..3c8958ee30c7 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -339,7 +339,6 @@ __metadata:
     "@types/debug": ^4.1.0
     "@types/resolve": ^1.3.2
     "@types/semver": ^5.4.0
-    clone-deep: ^4.0.1
     convert-source-map: ^1.7.0
     debug: ^4.1.0
     gensync: ^1.0.0-beta.2

From 41c45ff05b2740f1b4b045e8459300e5e97e434e Mon Sep 17 00:00:00 2001
From: liuxingbaoyu <30521560+liuxingbaoyu@users.noreply.github.com>
Date: Wed, 1 Jun 2022 02:29:01 +0800
Subject: [PATCH 5/7] improve typing

---
 packages/babel-core/src/transformation/util/clone-deep.ts | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/packages/babel-core/src/transformation/util/clone-deep.ts b/packages/babel-core/src/transformation/util/clone-deep.ts
index 25e607dd7f65..7586ede32f5d 100644
--- a/packages/babel-core/src/transformation/util/clone-deep.ts
+++ b/packages/babel-core/src/transformation/util/clone-deep.ts
@@ -1,8 +1,10 @@
+import type { types } from "@babel/core";
+
 //https://github.com/babel/babel/pull/14583#discussion_r882828856
-function deepClone(value, cache) {
+function deepClone(value: any, cache: Map<any, any>): any {
   if (value !== null) {
     if (cache.has(value)) return cache.get(value);
-    let cloned;
+    let cloned: any;
     if (Array.isArray(value)) {
       cloned = new Array(value.length);
       for (let i = 0; i < value.length; i++) {
@@ -26,7 +28,7 @@ function deepClone(value, cache) {
   return value;
 }
 
-export default function (value) {
+export default function <T = types.Node>(value: T): T {
   if (typeof value !== "object") return value;
   return deepClone(value, new Map());
 }

From 9de45fcf86d7a751d3e4c546cefe28e2f0c32a15 Mon Sep 17 00:00:00 2001
From: liuxingbaoyu <30521560+liuxingbaoyu@users.noreply.github.com>
Date: Thu, 2 Jun 2022 01:32:18 +0800
Subject: [PATCH 6/7] review

---
 packages/babel-core/src/transformation/util/clone-deep.ts | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/packages/babel-core/src/transformation/util/clone-deep.ts b/packages/babel-core/src/transformation/util/clone-deep.ts
index 7586ede32f5d..6d9fc30c302d 100644
--- a/packages/babel-core/src/transformation/util/clone-deep.ts
+++ b/packages/babel-core/src/transformation/util/clone-deep.ts
@@ -1,5 +1,3 @@
-import type { types } from "@babel/core";
-
 //https://github.com/babel/babel/pull/14583#discussion_r882828856
 function deepClone(value: any, cache: Map<any, any>): any {
   if (value !== null) {
@@ -28,7 +26,7 @@ function deepClone(value: any, cache: Map<any, any>): any {
   return value;
 }
 
-export default function <T = types.Node>(value: T): T {
+export default function <T>(value: T): T {
   if (typeof value !== "object") return value;
   return deepClone(value, new Map());
 }

From b001812365fc4432aafdaf24eb7d0f52e2db2cca Mon Sep 17 00:00:00 2001
From: liuxingbaoyu <30521560+liuxingbaoyu@users.noreply.github.com>
Date: Sat, 11 Jun 2022 20:32:32 +0800
Subject: [PATCH 7/7] fix test

---
 packages/babel-core/test/api.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/packages/babel-core/test/api.js b/packages/babel-core/test/api.js
index 3b116014ae71..f7bd191f9c5a 100644
--- a/packages/babel-core/test/api.js
+++ b/packages/babel-core/test/api.js
@@ -267,8 +267,8 @@ describe("api", function () {
     //test6
     var b;
     `;
-    const node = parse(program);
-    const { code } = transformFromAst(node, program, {
+    const node = parseSync(program);
+    const { code } = transformFromAstSync(node, program, {
       plugins: [
         function () {
           return {
@@ -281,7 +281,7 @@ describe("api", function () {
         },
       ],
     });
-    const { code: code2 } = transformFromAst(node, program, {
+    const { code: code2 } = transformFromAstSync(node, program, {
       cloneInputAst: false,
       plugins: [
         function () {