fix(es/compat): Fix scoping of explicit-resource-management (#8044)

**Related issue:**

 - Closes #8020

Author: kdy1

crates/swc/tests/fixture/issues-8xxx/8020/input/.swcrc

@@ -0,0 +1,19 @@
+{
+    "jsc": {
+        "parser": {
+            "syntax": "typescript",
+            "tsx": false
+        },
+        "loose": false,
+        "minify": {
+            "compress": false,
+            "mangle": false
+        },
+        "target": "es2022",
+    },
+    "module": {
+        "type": "es6"
+    },
+    "minify": false,
+    "isModule": true,
+}

crates/swc/tests/fixture/issues-8xxx/8020/input/1.js

@@ -0,0 +1,9 @@
+using foo = null
+
+const bar = 1
+
+console.log(baz())
+
+function baz() {
+    return bar
+}

crates/swc/tests/fixture/issues-8xxx/8020/output/1.js

@@ -0,0 +1,16 @@
+import { _ as _dispose } from "@swc/helpers/_/_dispose";
+import { _ as _using } from "@swc/helpers/_/_using";
+function baz() {
+    return bar;
+}
+try {
+    var _stack = [];
+    var foo = _using(_stack, null);
+    var bar = 1;
+    console.log(baz());
+} catch (_) {
+    var _error = _;
+    var _hasError = true;
+} finally{
+    _dispose(_stack, _error, _hasError);
+}

crates/swc_ecma_transforms_proposal/src/explicit_resource_management.rs

@@ -87,6 +87,10 @@ impl ExplicitResourceManagement {
                 Ok(stmt @ Stmt::Decl(Decl::Fn(..))) => {
                     new.push(T::from_stmt(stmt));
                 }
+                Ok(Stmt::Decl(Decl::Var(mut var))) => {
+                    var.kind = VarDeclKind::Var;
+                    try_body.push(Stmt::Decl(Decl::Var(var)));
+                }
                 Ok(stmt) => try_body.push(stmt),
                 Err(stmt) => match stmt.try_into_module_decl() {
                     Ok(ModuleDecl::ExportDefaultDecl(decl)) => {

crates/swc_ecma_transforms_proposal/tests/explicit-resource-management/transform-await/mixed/output.mjs

@@ -1,9 +1,9 @@
 {
     try {
         var _stack = [];
-        const a = _using(_stack, 1);
-        const b = _using(_stack, 2, true);
-        const c = _using(_stack, 3);
+        var a = _using(_stack, 1);
+        var b = _using(_stack, 2, true);
+        var c = _using(_stack, 3);
     } catch (_) {
         var _error = _;
         var _hasError = true;

crates/swc_ecma_transforms_proposal/tests/explicit-resource-management/transform-await/only-using-await/output.mjs

@@ -1,9 +1,9 @@
 {
     try {
         var _stack = [];
-        const x = _using(_stack, obj, true);
+        var x = _using(_stack, obj, true);
         stmt;
-        const y = _using(_stack, obj, true), z = _using(_stack, obj, true);
+        var y = _using(_stack, obj, true), z = _using(_stack, obj, true);
         doSomethingWith(x, y);
     } catch (_) {
         var _error = _;

crates/swc_ecma_transforms_proposal/tests/explicit-resource-management/transform-sync/bare-block/output.js

@@ -1,7 +1,7 @@
 {
     try {
         var _stack = [];
-        const x = _using(_stack, obj);
+        var x = _using(_stack, obj);
         doSomethingWith(x);
     } catch (_) {
         var _error = _;

crates/swc_ecma_transforms_proposal/tests/explicit-resource-management/transform-sync/function-body/output.js

@@ -1,7 +1,7 @@
 function fn() {
     try {
         var _stack = [];
-        const x = _using(_stack, obj);
+        var x = _using(_stack, obj);
         return doSomethingWith(x);
     } catch (_) {
         var _error = _;

crates/swc_ecma_transforms_proposal/tests/explicit-resource-management/transform-sync/if-body/output.js

@@ -1,7 +1,7 @@
 if (test) {
     try {
         var _stack = [];
-        const x = _using(_stack, obj);
+        var x = _using(_stack, obj);
         doSomethingWith(x);
     } catch (_) {
         var _error = _;

crates/swc_ecma_transforms_proposal/tests/explicit-resource-management/transform-sync/multiple-nested/output.js

@@ -1,14 +1,14 @@
 {
     try {
         var _stack = [];
-        const x = _using(_stack, obj);
+        var x = _using(_stack, obj);
         {
             try {
                 var _stack1 = [];
-                const y = _using(_stack1, call(()=>{
+                var y = _using(_stack1, call(()=>{
                     try {
                         var _stack = [];
-                        const z = _using(_stack, obj);
+                        var z = _using(_stack, obj);
                         return z;
                     } catch (_) {
                         var _error = _;

crates/swc_ecma_transforms_proposal/tests/explicit-resource-management/transform-sync/multiple-same-level/output.js

@@ -2,11 +2,11 @@
     try {
         var _stack = [];
         stmt;
-        const x = _using(_stack, obj);
+        var x = _using(_stack, obj);
         stmt;
-        const y = _using(_stack, obj), z = _using(_stack, obj);
+        var y = _using(_stack, obj), z = _using(_stack, obj);
         stmt;
-        const w = _using(_stack, obj);
+        var w = _using(_stack, obj);
         doSomethingWith(x, z);
     } catch (_) {
         var _error = _;

crates/swc_ecma_transforms_proposal/tests/explicit-resource-management/transform-sync/static-block/output.js

@@ -2,7 +2,7 @@ class A {
     static{
         try {
             var _stack = [];
-            const x = _using(_stack, y);
+            var x = _using(_stack, y);
             doSomethingWith(x);
         } catch (_) {
             var _error = _;

crates/swc_ecma_transforms_proposal/tests/explicit-resource-management/transform-top-level/hoisting/output.mjs

@@ -19,7 +19,7 @@ export class B {
 try {
     var _stack = [];
     doSomething();
-    let c = 2;
+    var c = 2;
     class A {
     }
     var x = _using(_stack, null);