build(cargo): Update rustc to nightly-2024-04-03

README.md

@@ -46,7 +46,7 @@ Also, SWC tries to ensure that
 
 for rust users.
 
-MSRV of crates is currently nightly, but we will support stable rustc again in the future.
+MSRV of crates is currently `1.71`.
 
 To update all SWC crates you use, you can run `curl https://raw.githubusercontent.com/swc-project/swc/main/scripts/update-all-swc-crates.sh | bash -s`. This script will update all dependencies to the latest version and run `cargo build` to ensure that everything works.
 Note that you need

clippy.toml

@@ -22,5 +22,5 @@ ignore-interior-mutability = [
   "swc_atoms::JsWord",
   "swc_ecma_ast::Id",
 ]
-msrv = "1.58"
+msrv = "1.71"
 type-complexity-threshold = 25000

crates/ast_node/src/ast_node_macro.rs

@@ -1,6 +1,5 @@
 use swc_macros_common::prelude::*;
 use syn::{
-    self,
     parse::{Parse, ParseStream},
     *,
 };

crates/ast_node/src/enum_deserialize.rs

@@ -1,6 +1,5 @@
 use swc_macros_common::prelude::*;
 use syn::{
-    self,
     parse::{Parse, ParseStream},
     *,
 };

crates/ast_node/src/lib.rs

@@ -5,7 +5,7 @@ extern crate proc_macro;
 
 use quote::quote;
 use swc_macros_common::prelude::*;
-use syn::{self, visit_mut::VisitMut, *};
+use syn::{visit_mut::VisitMut, *};
 
 mod ast_node_macro;
 mod enum_deserialize;

crates/string_enum/src/lib.rs

@@ -4,7 +4,7 @@ extern crate proc_macro;
 
 use quote::quote_spanned;
 use swc_macros_common::prelude::*;
-use syn::{self, parse::Parse, *};
+use syn::{parse::Parse, *};
 
 /// Creates `.as_str()` and then implements `Debug` and `Display` using it.
 ///

crates/swc/examples/minify.rs

@@ -1,7 +1,7 @@
 use std::{path::Path, sync::Arc};
 
 use anyhow::Context;
-use swc::{self, config::JsMinifyOptions, try_with_handler, BoolOrDataConfig};
+use swc::{config::JsMinifyOptions, try_with_handler, BoolOrDataConfig};
 use swc_common::{SourceMap, GLOBALS};
 
 fn main() {

crates/swc/examples/transform.rs

@@ -1,7 +1,7 @@
 use std::{path::Path, sync::Arc};
 
 use anyhow::Context;
-use swc::{self, try_with_handler};
+use swc::try_with_handler;
 use swc_common::{SourceMap, GLOBALS};
 
 fn main() {

crates/swc/examples/transform_error.rs

@@ -1,7 +1,7 @@
 use std::sync::Arc;
 
 use anyhow::Context;
-use swc::{self, try_with_handler};
+use swc::try_with_handler;
 use swc_common::{errors::ColorConfig, FileName, SourceMap, GLOBALS};
 
 fn main() {

crates/swc/src/config/mod.rs

@@ -783,8 +783,9 @@ impl Options {
     }
 }
 
-#[derive(Debug, Clone, Copy, Serialize, Deserialize, PartialEq, Eq)]
+#[derive(Debug, Clone, Copy, Serialize, Deserialize, PartialEq, Eq, Default)]
 pub enum RootMode {
+    #[default]
     #[serde(rename = "root")]
     Root,
     #[serde(rename = "upward")]
@@ -793,11 +794,6 @@ pub enum RootMode {
     UpwardOptional,
 }
 
-impl Default for RootMode {
-    fn default() -> Self {
-        RootMode::Root
-    }
-}
 const fn default_swcrc() -> bool {
     true
 }
@@ -1179,21 +1175,16 @@ pub struct JscOutputConfig {
     pub preamble: String,
 }
 
-#[derive(Debug, Clone, Serialize, Deserialize)]
+#[derive(Debug, Clone, Serialize, Deserialize, Default)]
 #[serde(deny_unknown_fields, rename_all = "camelCase")]
 pub enum OutputCharset {
+    #[default]
     #[serde(rename = "utf8")]
     Utf8,
     #[serde(rename = "ascii")]
     Ascii,
 }
 
-impl Default for OutputCharset {
-    fn default() -> Self {
-        OutputCharset::Utf8
-    }
-}
-
 /// `jsc.experimental` in `.swcrc`
 #[derive(Debug, Default, Clone, Serialize, Deserialize, Merge)]
 #[serde(deny_unknown_fields, rename_all = "camelCase")]

crates/swc/src/lib.rs

@@ -132,7 +132,7 @@ use swc_common::{
 pub use swc_compiler_base::{PrintArgs, TransformOutput};
 pub use swc_config::config_types::{BoolConfig, BoolOr, BoolOrDataConfig};
 use swc_ecma_ast::{EsVersion, Program};
-use swc_ecma_codegen::{self, Node};
+use swc_ecma_codegen::Node;
 use swc_ecma_loader::resolvers::{
     lru::CachingResolver, node::NodeModulesResolver, tsc::TsConfigResolver,
 };

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

@@ -1,16 +1,14 @@
-import { _ as _dispose } from "@swc/helpers/_/_dispose";
-import { _ as _using } from "@swc/helpers/_/_using";
+import { _ as _using_ctx } from "@swc/helpers/_/_using_ctx";
 function baz() {
     return bar;
 }
 try {
-    var _stack = [];
-    var foo = _using(_stack, null);
-    var bar = 1;
+    var _usingCtx = _using_ctx();
+    var foo = _usingCtx.u(null);
+    const bar = 1;
     console.log(baz());
 } catch (_) {
-    var _error = _;
-    var _hasError = true;
+    _usingCtx.e = _;
 } finally{
-    _dispose(_stack, _error, _hasError);
+    _usingCtx.d();
 }

crates/swc/tests/fixture/issues-8xxx/8629/output/1.js

@@ -1,8 +1,7 @@
-import { _ as _dispose } from "@swc/helpers/_/_dispose";
-import { _ as _using } from "@swc/helpers/_/_using";
+import { _ as _using_ctx } from "@swc/helpers/_/_using_ctx";
 var _Disposable;
 try {
-    var _stack = [];
+    var _usingCtx = _using_ctx();
     var _computedKey;
     _computedKey = Symbol.dispose;
     class Disposable {
@@ -11,12 +10,11 @@ try {
         }
     }
     _Disposable = Disposable;
-    var _disposable = _using(_stack, new Disposable());
+    var _disposable = _usingCtx.u(new Disposable());
     console.log('ok');
 } catch (_) {
-    var _error = _;
-    var _hasError = true;
+    _usingCtx.e = _;
 } finally{
-    _dispose(_stack, _error, _hasError);
+    _usingCtx.d();
 }
 export { _Disposable as Disposable };

crates/swc/tests/fixture/issues-8xxx/8629/output/2.js

@@ -1,16 +1,14 @@
-import { _ as _dispose } from "@swc/helpers/_/_dispose";
-import { _ as _using } from "@swc/helpers/_/_using";
+import { _ as _using_ctx } from "@swc/helpers/_/_using_ctx";
 var _Disposable;
 try {
-    var _stack = [];
+    var _usingCtx = _using_ctx();
     var Disposable = 1334;
     _Disposable = Disposable;
-    var _disposable = _using(_stack, new Disposable());
+    var _disposable = _usingCtx.u(new Disposable());
     console.log('ok');
 } catch (_) {
-    var _error = _;
-    var _hasError = true;
+    _usingCtx.e = _;
 } finally{
-    _dispose(_stack, _error, _hasError);
+    _usingCtx.d();
 }
 export { _Disposable as Disposable };

crates/swc/tests/fixture/issues-8xxx/8774/output/index.js

@@ -1,5 +1,4 @@
-import { _ as _dispose } from "@swc/helpers/_/_dispose";
-import { _ as _using } from "@swc/helpers/_/_using";
+import { _ as _using_ctx } from "@swc/helpers/_/_using_ctx";
 const logClean = function() {
     return {
         [Symbol.dispose] () {
@@ -12,42 +11,39 @@ const logClean = function() {
 };
 async function foo() {
     try {
-        var _stack = [];
-        var a = _using(_stack, logClean());
-        var b = _using(_stack, logClean(), true);
+        var _usingCtx = _using_ctx();
+        const a = _usingCtx.u(logClean());
+        const b = _usingCtx.a(logClean());
         for (const a of [
             logClean(),
             logClean()
         ]){
             try {
-                var _stack1 = [];
+                var _usingCtx1 = _using_ctx();
                 {}
             } catch (_) {
-                var _error = _;
-                var _hasError = true;
+                _usingCtx1.e = _;
             } finally{
-                _dispose(_stack1, _error, _hasError);
+                _usingCtx1.d();
             }
         }
         for (const a of [
             logClean(),
             logClean()
         ]){
             try {
-                var _stack2 = [];
+                var _usingCtx2 = _using_ctx();
                 {}
             } catch (_) {
-                var _error1 = _;
-                var _hasError1 = true;
+                _usingCtx2.e = _;
             } finally{
-                _dispose(_stack2, _error1, _hasError1);
+                _usingCtx2.d();
             }
         }
     } catch (_) {
-        var _error2 = _;
-        var _hasError2 = true;
+        _usingCtx.e = _;
     } finally{
-        await _dispose(_stack, _error2, _hasError2);
+        await _usingCtx.d();
     }
 }
 foo();

crates/swc/tests/projects.rs

@@ -21,7 +21,7 @@ use swc_common::{
     BytePos, FileName, Globals, SourceMap, GLOBALS,
 };
 use swc_compiler_base::PrintArgs;
-use swc_ecma_ast::{EsVersion, *};
+use swc_ecma_ast::*;
 use swc_ecma_minifier::option::MangleOptions;
 use swc_ecma_parser::{EsConfig, Syntax, TsConfig};
 use swc_ecma_transforms::{