feat(es/utils): Use more unique names for aliases (#6399)

crates/swc/tests/fixture/codegen/comment-1/es5/output/index.tsx

@@ -1,6 +1,6 @@
 import _to_consumable_array from "@swc/helpers/src/_to_consumable_array.mjs";
 function a(param) {
-    var _b = param.b, b = _b === void 0 ? [] : _b;
+    var _param_b = param.b, b = _param_b === void 0 ? [] : _param_b;
     var t = useMemo(function() {
         return(// Cmt1
         _to_consumable_array(a.slice(0, 1)).concat(// Cmt2

crates/swc/tests/fixture/issues-1xxx/1107/1/output/index.js

@@ -1,13 +1,13 @@
 import _class_call_check from "@swc/helpers/src/_class_call_check.mjs";
 export var Class1 = function Class1(param) {
     "use strict";
-    var _name = param.name, name = _name === void 0 ? "" : _name;
+    var _param_name = param.name, name = _param_name === void 0 ? "" : _param_name;
     _class_call_check(this, Class1);
     console.log(name);
 };
 export var Class2 = function Class2(param) {
     "use strict";
-    var _name = param.name, name = _name === void 0 ? "" : _name;
+    var _param_name = param.name, name = _param_name === void 0 ? "" : _param_name;
     _class_call_check(this, Class2);
     console.log(name);
 };

crates/swc/tests/fixture/issues-1xxx/1333/case2/output/index.js

@@ -271,9 +271,9 @@ class Shard extends _utils.Emitter {
      * Called whenever the websocket opens.
      * @private
      */ _open() {
-        var ref;
+        var _class_private_field_get;
         this.status = _utils.Status.HANDSHAKING;
-        this._debug(`Connected. ${(ref = _classPrivateFieldGet(this, _ws1)) === null || ref === void 0 ? void 0 : ref.url} in ${Date.now() - this.connectedAt}`);
+        this._debug(`Connected. ${(_class_private_field_get = _classPrivateFieldGet(this, _ws1)) === null || _class_private_field_get === void 0 ? void 0 : _class_private_field_get.url} in ${Date.now() - this.connectedAt}`);
         if (_classPrivateFieldGet(this, _queue).length) {
             this._debug(`${_classPrivateFieldGet(this, _queue).length} packets waiting... sending all now.`);
             while(_classPrivateFieldGet(this, _queue).length){
@@ -300,8 +300,8 @@ class Shard extends _utils.Emitter {
      * @param {WebSocket.CloseEvent} evt
      * @private
      */ _close(evt) {
-        var ref;
-        const reason = (ref = evt.reason || _utils.GatewayCloseCode[evt.code]) !== null && ref !== void 0 ? ref : "unknown";
+        var _ref;
+        const reason = (_ref = evt.reason || _utils.GatewayCloseCode[evt.code]) !== null && _ref !== void 0 ? _ref : "unknown";
         this._debug(`Closed; Code = ${evt.code}, Clean? = ${evt.wasClean}, Reason = ${reason}`);
         if (_classPrivateFieldGet(this, _seq) !== -1) {
             _classPrivateFieldSet(this, _closingSeq, _classPrivateFieldGet(this, _seq));

crates/swc/tests/fixture/issues-1xxx/1333/case3/output/index.js

@@ -59,8 +59,8 @@ class RequestHandler {
             ].includes(p) ? match : `/${p}/:id`).replace(/\/reactions\/[^/]+/g, "/reactions/:id").replace(/\/webhooks\/(\d+)\/[\w-]{64,}/, "webhooks/$1/:token").replace(/\?.*$/, "");
         let ending = ";";
         if (method === "delete" && route.endsWith("/message/:id")) {
-            var ref;
-            const id = (ref = /\d{16,19}$/.exec(route)) === null || ref === void 0 ? void 0 : ref[0];
+            var _exec;
+            const id = (_exec = /\d{16,19}$/.exec(route)) === null || _exec === void 0 ? void 0 : _exec[0];
             const snowflake = _utils.Snowflake.deconstruct(id);
             if (Date.now() - snowflake.timestamp > 1000 * 60 * 60 * 24 * 14) {
                 ending += "deletes-old";
@@ -73,8 +73,8 @@ class RequestHandler {
      * @param {Response} res
      * @return {* | Promise<any>}
      */ static async parseResponse(res) {
-        var ref;
-        if ((ref = res.headers.get("Content-Type")) === null || ref === void 0 ? void 0 : ref.startsWith("application/json")) {
+        var _res_headers_get;
+        if ((_res_headers_get = res.headers.get("Content-Type")) === null || _res_headers_get === void 0 ? void 0 : _res_headers_get.startsWith("application/json")) {
             return await res.json();
         }
         return res.buffer();

crates/swc/tests/fixture/issues-1xxx/1449/case1/output/index.js

@@ -6,9 +6,9 @@ function foo() {
 }
 function _foo() {
     _foo = _async_to_generator(function() {
-        var tmp, ref, ref;
+        var tmp, _ref, _ref;
         return _ts_generator(this, function(_state) {
-            tmp = baz.bar, ref = tmp === void 0 ? {} : tmp, ref = ref !== null ? ref : _throw(new TypeError("Cannot destructure undefined"));
+            tmp = baz.bar, _ref = tmp === void 0 ? {} : tmp, _ref = _ref !== null ? _ref : _throw(new TypeError("Cannot destructure undefined"));
             return [
                 2
             ];

crates/swc/tests/fixture/issues-1xxx/1477/case1/output/index.js

@@ -6,9 +6,9 @@ function f(a, b) {
 }
 function _f() {
     _f = _async_to_generator(function(a, b) {
-        var ref, ref1, tmp, a_;
+        var _JSON_parse, _JSON_parse_, tmp, a_;
         return _ts_generator(this, function(_state) {
-            ref = _sliced_to_array(JSON.parse(b), 1), ref1 = ref[0], tmp = ref1.a, a_ = tmp === void 0 ? 1 : tmp;
+            _JSON_parse = _sliced_to_array(JSON.parse(b), 1), _JSON_parse_ = _JSON_parse[0], tmp = _JSON_parse_.a, a_ = tmp === void 0 ? 1 : tmp;
             return [
                 2
             ];

crates/swc/tests/fixture/issues-1xxx/pr-1524/comment-1/output/index.tsx

@@ -1,6 +1,6 @@
 import _sliced_to_array from "@swc/helpers/src/_sliced_to_array.mjs";
 function Bar() {
-    var ref = _sliced_to_array(useState(0), 2), foo = ref[0], setFoo = ref[1];
+    var _useState = _sliced_to_array(useState(0), 2), foo = _useState[0], setFoo = _useState[1];
     // @refresh reset
     React.useEffect(function() {});
     return /*#__PURE__*/ React.createElement("h1", null, foo, " ");

crates/swc/tests/fixture/issues-2xxx/2063/output/index.js

@@ -1,7 +1,7 @@
-var _value, ref;
+var _myVar_target_value, _myVar_target_value_toLowerCase;
 var myVar = {
     target: {
         value: "ABC"
     }
 };
-console.log((ref = (_value = myVar.target.value).toLowerCase) === null || ref === void 0 ? void 0 : ref.call(_value));
+console.log((_myVar_target_value_toLowerCase = (_myVar_target_value = myVar.target.value).toLowerCase) === null || _myVar_target_value_toLowerCase === void 0 ? void 0 : _myVar_target_value_toLowerCase.call(_myVar_target_value));

crates/swc/tests/fixture/issues-2xxx/2139/output/index.tsx

@@ -8,7 +8,7 @@ class ReusablePayments extends PureComponent {
         }
     }
     setDefaultReusablePayment(skipPaymentSource) {
-        var _props = this.props, reusablePaymentSources = _props.reusablePaymentSources, selectedReusablePayment = _props.selectedReusablePayment, onChange = _props.onChange;
+        var _this_props = this.props, reusablePaymentSources = _this_props.reusablePaymentSources, selectedReusablePayment = _this_props.selectedReusablePayment, onChange = _this_props.onChange;
         var validReusablePaymentSources = reusablePaymentSources.filter((ps)=>ps.__typename === "StripePaymentSource" && ps !== skipPaymentSource);
         if (selectedReusablePayment === null) {
             return;
@@ -25,7 +25,7 @@ class ReusablePayments extends PureComponent {
         onChange(ps || validReusablePaymentSources[0]);
     }
     render() {
-        var _props = this.props, selectedReusablePayment = _props.selectedReusablePayment, reusablePaymentSources = _props.reusablePaymentSources;
+        var _this_props = this.props, selectedReusablePayment = _this_props.selectedReusablePayment, reusablePaymentSources = _this_props.reusablePaymentSources;
         var stripePaymentSources = reusablePaymentSources.filter((ps)=>ps.__typename === "StripePaymentSource");
         if (!stripePaymentSources.length) {
             return null;
@@ -85,7 +85,7 @@ class ReusablePayments extends PureComponent {
             return this.props.onChange(selected);
         };
         this.handleDeletePaymentSource = (id, deletePaymentSource)=>{
-            var _props = this.props, selectedReusablePayment = _props.selectedReusablePayment, onChange = _props.onChange;
+            var _this_props = this.props, selectedReusablePayment = _this_props.selectedReusablePayment, onChange = _this_props.onChange;
             if (onChange && selectedReusablePayment && selectedReusablePayment.id === id) {
                 this.setDefaultReusablePayment(selectedReusablePayment);
             }

crates/swc/tests/fixture/issues-2xxx/2232/case1/output/index.js

@@ -13,9 +13,9 @@ var Foo = /*#__PURE__*/ function() {
             key: "sendSomeMessage",
             value: function sendSomeMessage(_parent, _param, _param1) {
                 return _async_to_generator(function() {
-                    var _input, toNumber, messageBody, all, dataSources;
+                    var _param_input, toNumber, messageBody, all, dataSources;
                     return _ts_generator(this, function(_state) {
-                        _input = _param.input, toNumber = _input.toNumber, messageBody = _input.messageBody, all = _object_without_properties(_param.input, [
+                        _param_input = _param.input, toNumber = _param_input.toNumber, messageBody = _param_input.messageBody, all = _object_without_properties(_param.input, [
                             "toNumber",
                             "messageBody"
                         ]), dataSources = _param1.dataSources;

crates/swc/tests/fixture/issues-2xxx/2232/case2/output/index.ts

@@ -4,9 +4,9 @@ import _ts_generator from "@swc/helpers/src/_ts_generator.mjs";
 var resolver = {
     sendSomeMessage: function sendSomeMessage(_parent, _param, _param1) {
         return _async_to_generator(function() {
-            var _input, toNumber, messageBody, all, dataSources;
+            var _param_input, toNumber, messageBody, all, dataSources;
             return _ts_generator(this, function(_state) {
-                _input = _param.input, toNumber = _input.toNumber, messageBody = _input.messageBody, all = _object_without_properties(_param.input, [
+                _param_input = _param.input, toNumber = _param_input.toNumber, messageBody = _param_input.messageBody, all = _object_without_properties(_param.input, [
                     "toNumber",
                     "messageBody"
                 ]), dataSources = _param1.dataSources;

crates/swc/tests/fixture/issues-2xxx/2336/output/input.tsx

@@ -1,5 +1,5 @@
 import _sliced_to_array from "@swc/helpers/src/_sliced_to_array.mjs";
-var ref = _sliced_to_array(createQuery(), 2);
-export var useQuery = ref[0], query = ref[1].query;
-var ref1 = _sliced_to_array(createMutation(), 2);
-export var useMutation = ref1[0], mutate = ref1[1].mutate;
+var _createQuery = _sliced_to_array(createQuery(), 2);
+export var useQuery = _createQuery[0], query = _createQuery[1].query;
+var _createMutation = _sliced_to_array(createMutation(), 2);
+export var useMutation = _createMutation[0], mutate = _createMutation[1].mutate;

crates/swc/tests/fixture/issues-2xxx/2854/1/output/index.js

@@ -2,7 +2,7 @@ export function App() {
     return React.createElement(Form, null);
 }
 export function Form(param) {
-    var _onChange = param.onChange, onChange = _onChange === void 0 ? function() {} : _onChange;
+    var _param_onChange = param.onChange, onChange = _param_onChange === void 0 ? function() {} : _param_onChange;
     return React.createElement("input", {
         onChange: function onChange1() {
             onChange();

crates/swc/tests/fixture/issues-2xxx/2858/1/output/index.js

@@ -1,9 +1,9 @@
-var ref = {
+var _ref = {
     a: 1,
     b: 2
-}, a1 = ref.a, b1 = ref.b;
-var ref1 = {
+}, a1 = _ref.a, b1 = _ref.b;
+var _ref1 = {
     a: 1,
     b: 2
 };
-export var a2 = ref1.a, b2 = ref1.b;
+export var a2 = _ref1.a, b2 = _ref1.b;

crates/swc/tests/fixture/issues-2xxx/2858/2/output/index.js

@@ -16,12 +16,12 @@ _export(exports, {
         return b2;
     }
 });
-var ref = {
+var _ref = {
     a: 1,
     b: 2
-}, a1 = ref.a, b1 = ref.b;
-var ref1 = {
+}, a1 = _ref.a, b1 = _ref.b;
+var _ref1 = {
     a: 1,
     b: 2
 };
-var a2 = ref1.a, b2 = ref1.b;
+var a2 = _ref1.a, b2 = _ref1.b;

crates/swc/tests/fixture/issues-4xxx/4108/1/output/index.ts

@@ -484,7 +484,7 @@ export var sendTransaction = function() {
 }();
 export var sendTransactionWithRetry = function() {
     var _ref = _async_to_generator(function(connection, wallet, instructions, signers) {
-        var commitment, includesFeePayer, block, beforeSend, transaction, _tmp, _transaction, _transaction1, _transaction2, ref, txid, slot;
+        var commitment, includesFeePayer, block, beforeSend, transaction, _tmp, _transaction, _transaction1, _transaction2, _ref, txid, slot;
         var _arguments = arguments;
         return _ts_generator(this, function(_state) {
             switch(_state.label){
@@ -550,7 +550,7 @@ export var sendTransactionWithRetry = function() {
                         })
                     ];
                 case 5:
-                    ref = _state.sent(), txid = ref.txid, slot = ref.slot;
+                    _ref = _state.sent(), txid = _ref.txid, slot = _ref.slot;
                     return [
                         2,
                         {
@@ -574,11 +574,11 @@ export function sendSignedTransaction(_) {
 }
 function _sendSignedTransaction() {
     _sendSignedTransaction = _async_to_generator(function(param) {
-        var signedTransaction, connection, _timeout, timeout, rawTransaction, startTime, slot, txid, done, confirmation, err, simulateResult, e, i, line;
+        var signedTransaction, connection, _param_timeout, timeout, rawTransaction, startTime, slot, txid, done, confirmation, err, simulateResult, e, i, line;
         return _ts_generator(this, function(_state) {
             switch(_state.label){
                 case 0:
-                    signedTransaction = param.signedTransaction, connection = param.connection, _timeout = param.timeout, timeout = _timeout === void 0 ? DEFAULT_TIMEOUT : _timeout;
+                    signedTransaction = param.signedTransaction, connection = param.connection, _param_timeout = param.timeout, timeout = _param_timeout === void 0 ? DEFAULT_TIMEOUT : _param_timeout;
                     rawTransaction = signedTransaction.serialize();
                     startTime = getUnixTs();
                     slot = 0;

crates/swc/tests/fixture/issues-5xxx/5102/output/index.js

@@ -4,22 +4,22 @@ var a = function a() {
     "use strict";
     _class_call_check(this, a);
 };
-var ref = [
+var _ref = [
     function _class() {
         "use strict";
         _class_call_check(this, _class);
     }
-], b = ref[0];
-var ref1 = [], tmp = ref1[0], c = tmp === void 0 ? function c() {
+], b = _ref[0];
+var _ref1 = [], tmp = _ref1[0], c = tmp === void 0 ? function c() {
     "use strict";
     _class_call_check(this, c);
 } : tmp;
-var ref2 = [
+var _ref2 = [
     function _class() {
         "use strict";
         _class_call_check(this, _class);
     }
-], tmp1 = ref2[0], d = tmp1 === void 0 ? function d() {
+], tmp1 = _ref2[0], d = tmp1 === void 0 ? function d() {
     "use strict";
     _class_call_check(this, d);
 } : tmp1;
@@ -29,20 +29,20 @@ var e = {
         _class_call_check(this, e);
     }
 }.e;
-var ref3 = {}, _f = ref3.f, f = _f === void 0 ? function f() {
+var _ref3 = {}, _ref_f = _ref3.f, f = _ref_f === void 0 ? function f() {
     "use strict";
     _class_call_check(this, f);
-} : _f;
-var ref4 = {
+} : _ref_f;
+var _ref4 = {
     g: function g() {
         "use strict";
         _class_call_check(this, g);
     }
-}, _g = ref4.g, g = _g === void 0 ? function g() {
+}, _ref_g = _ref4.g, g = _ref_g === void 0 ? function g() {
     "use strict";
     _class_call_check(this, g);
-} : _g;
-var ref5 = {}, tmp2 = ref5._, h = tmp2 === void 0 ? function h() {
+} : _ref_g;
+var _ref5 = {}, tmp2 = _ref5._, h = tmp2 === void 0 ? function h() {
     "use strict";
     _class_call_check(this, h);
 } : tmp2;