refactor(transformer): reorder imports (#6582)

Re-order `use` statements in order:

1. `std`
2. External crates
3. `oxc_*` crates
4. Current crate `use crate::...`
5. Super `use super::...`
6. Local modules

This order is from "furthest away" to "closest". This makes it clearer to see what is coming from where.

crates/oxc_transformer/src/common/helper_loader.rs

@@ -59,15 +59,17 @@
 //! ```
 //!
 //! Based on [@babel/helper](https://github.com/babel/babel/tree/main/packages/babel-helpers).
+
 use std::{borrow::Cow, cell::RefCell};
 
+use rustc_hash::FxHashMap;
+use serde::Deserialize;
+
 use oxc_allocator::Vec;
 use oxc_ast::ast::{Argument, CallExpression, Expression, Program, TSTypeParameterInstantiation};
 use oxc_semantic::{ReferenceFlags, SymbolFlags};
 use oxc_span::{Atom, SPAN};
 use oxc_traverse::{BoundIdentifier, Traverse, TraverseCtx};
-use rustc_hash::FxHashMap;
-use serde::Deserialize;
 
 use crate::TransformCtx;
 

crates/oxc_transformer/src/env/data/mod.rs

@@ -1,3 +1,3 @@
 mod babel;
 
-pub use self::babel::can_enable_plugin;
+pub use babel::can_enable_plugin;

crates/oxc_transformer/src/env/mod.rs

@@ -2,8 +2,6 @@ mod data;
 mod options;
 mod targets;
 
-pub use self::{
-    data::can_enable_plugin,
-    options::EnvOptions,
-    targets::{Targets, Versions},
-};
+pub use data::can_enable_plugin;
+pub use options::EnvOptions;
+pub use targets::{Targets, Versions};

crates/oxc_transformer/src/env/options.rs

@@ -1,7 +1,8 @@
-use oxc_diagnostics::Error;
 use serde::Deserialize;
 use serde_json::Value;
 
+use oxc_diagnostics::Error;
+
 use super::targets::{query::Targets, Versions};
 
 fn default_as_true() -> bool {

crates/oxc_transformer/src/env/targets/mod.rs

@@ -10,10 +10,10 @@ use std::ops::{Deref, DerefMut};
 use rustc_hash::FxHashMap;
 use serde::Deserialize;
 
-pub use self::query::Targets;
-use self::version::Version;
 pub mod query;
 pub mod version;
+pub use query::Targets;
+use version::Version;
 
 /// A map of browser names to data for feature support in browser.
 ///

crates/oxc_transformer/src/env/targets/query.rs

@@ -5,10 +5,11 @@
 use std::sync::OnceLock;
 
 use dashmap::DashMap;
-use oxc_diagnostics::{Error, OxcDiagnostic};
 use rustc_hash::FxHashMap;
 use serde::Deserialize;
 
+use oxc_diagnostics::{Error, OxcDiagnostic};
+
 use super::{version::Version, Versions};
 
 #[derive(Debug, Clone, Deserialize)]

crates/oxc_transformer/src/es2015/arrow_functions.rs

@@ -124,6 +124,8 @@
 //! * Babel plugin implementation: <https://github.com/babel/babel/blob/main/packages/babel-plugin-transform-arrow-functions>
 //! * Arrow function specification: <https://tc39.es/ecma262/#sec-arrow-function-definitions>
 
+use serde::Deserialize;
+
 use oxc_allocator::Vec;
 use oxc_ast::{ast::*, NONE};
 use oxc_data_structures::stack::SparseStack;
@@ -134,8 +136,6 @@ use oxc_syntax::{
 };
 use oxc_traverse::{Ancestor, BoundIdentifier, Traverse, TraverseCtx};
 
-use serde::Deserialize;
-
 #[derive(Debug, Default, Clone, Deserialize)]
 pub struct ArrowFunctionsOptions {
     /// This option enables the following:

crates/oxc_transformer/src/es2015/mod.rs

@@ -1,10 +1,11 @@
+use oxc_ast::ast::*;
+use oxc_traverse::{Traverse, TraverseCtx};
+
 mod arrow_functions;
 mod options;
 
 pub use arrow_functions::{ArrowFunctions, ArrowFunctionsOptions};
 pub use options::ES2015Options;
-use oxc_ast::ast::*;
-use oxc_traverse::{Traverse, TraverseCtx};
 
 pub struct ES2015<'a> {
     options: ES2015Options,

crates/oxc_transformer/src/es2015/options.rs

@@ -1,8 +1,9 @@
 use serde::Deserialize;
 
-use super::ArrowFunctionsOptions;
 use crate::env::{can_enable_plugin, Versions};
 
+use super::ArrowFunctionsOptions;
+
 #[derive(Debug, Default, Clone, Deserialize)]
 #[serde(default, rename_all = "camelCase", deny_unknown_fields)]
 pub struct ES2015Options {

crates/oxc_transformer/src/es2016/mod.rs

@@ -1,12 +1,13 @@
+use oxc_ast::ast::*;
+use oxc_traverse::{Traverse, TraverseCtx};
+
+use crate::TransformCtx;
+
 mod exponentiation_operator;
 mod options;
 
 pub use exponentiation_operator::ExponentiationOperator;
 pub use options::ES2016Options;
-use oxc_ast::ast::*;
-use oxc_traverse::{Traverse, TraverseCtx};
-
-use crate::TransformCtx;
 
 pub struct ES2016<'a, 'ctx> {
     options: ES2016Options,

crates/oxc_transformer/src/es2017/async_to_generator.rs

@@ -42,13 +42,15 @@
 //! * Async / Await TC39 proposal: <https://github.com/tc39/proposal-async-await>
 //!
 
-use oxc_ast::ast::{
-    ArrowFunctionExpression, Expression, Function, FunctionType, Statement, VariableDeclarationKind,
+use oxc_ast::{
+    ast::{
+        ArrowFunctionExpression, Expression, Function, FunctionType, Statement,
+        VariableDeclarationKind,
+    },
+    NONE,
 };
-use oxc_ast::NONE;
 use oxc_span::{Atom, SPAN};
-use oxc_syntax::reference::ReferenceFlags;
-use oxc_syntax::symbol::SymbolId;
+use oxc_syntax::{reference::ReferenceFlags, symbol::SymbolId};
 use oxc_traverse::{Ancestor, Traverse, TraverseCtx};
 
 pub struct AsyncToGenerator;

crates/oxc_transformer/src/es2017/mod.rs

@@ -1,10 +1,11 @@
-mod async_to_generator;
-pub mod options;
+use oxc_ast::ast::{ArrowFunctionExpression, Expression, Statement};
+use oxc_traverse::{Traverse, TraverseCtx};
 
 use crate::es2017::async_to_generator::AsyncToGenerator;
 use crate::es2017::options::ES2017Options;
-use oxc_ast::ast::{ArrowFunctionExpression, Expression, Statement};
-use oxc_traverse::{Traverse, TraverseCtx};
+
+mod async_to_generator;
+pub mod options;
 
 #[allow(dead_code)]
 pub struct ES2017 {

crates/oxc_transformer/src/es2017/options.rs

@@ -1,6 +1,7 @@
-use crate::env::{can_enable_plugin, Versions};
 use serde::Deserialize;
 
+use crate::env::{can_enable_plugin, Versions};
+
 #[derive(Debug, Default, Clone, Deserialize)]
 #[serde(default, rename_all = "camelCase", deny_unknown_fields)]
 pub struct ES2017Options {

crates/oxc_transformer/src/es2018/mod.rs

@@ -1,12 +1,13 @@
+use oxc_ast::ast::*;
+use oxc_traverse::{Traverse, TraverseCtx};
+
+use crate::context::TransformCtx;
+
 mod object_rest_spread;
 mod options;
 
 pub use object_rest_spread::{ObjectRestSpread, ObjectRestSpreadOptions};
 pub use options::ES2018Options;
-use oxc_ast::ast::*;
-use oxc_traverse::{Traverse, TraverseCtx};
-
-use crate::context::TransformCtx;
 
 pub struct ES2018<'a, 'ctx> {
     options: ES2018Options,

crates/oxc_transformer/src/es2018/object_rest_spread/mod.rs

@@ -26,16 +26,17 @@
 //! * Babel plugin implementation: <https://github.com/babel/babel/tree/main/packages/babel-plugin-transform-object-rest-spread>
 //! * Object rest/spread TC39 proposal: <https://github.com/tc39/proposal-object-rest-spread>
 
-use object_rest::ObjectRest;
-use object_spread::ObjectSpread;
+use serde::Deserialize;
+
 use oxc_ast::ast::*;
 use oxc_traverse::{Traverse, TraverseCtx};
-use serde::Deserialize;
 
 use crate::context::TransformCtx;
 
 mod object_rest;
 mod object_spread;
+use object_rest::ObjectRest;
+use object_spread::ObjectSpread;
 
 #[derive(Debug, Default, Clone, Copy, Deserialize)]
 #[serde(default, rename_all = "camelCase")]

crates/oxc_transformer/src/es2018/options.rs

@@ -1,8 +1,9 @@
 use serde::Deserialize;
 
-use super::ObjectRestSpreadOptions;
 use crate::env::{can_enable_plugin, Versions};
 
+use super::ObjectRestSpreadOptions;
+
 #[derive(Debug, Default, Clone, Deserialize)]
 #[serde(default, rename_all = "camelCase", deny_unknown_fields)]
 pub struct ES2018Options {

crates/oxc_transformer/src/es2019/mod.rs

@@ -1,10 +1,11 @@
+use oxc_ast::ast::*;
+use oxc_traverse::{Traverse, TraverseCtx};
+
 mod optional_catch_binding;
 mod options;
 
 pub use optional_catch_binding::OptionalCatchBinding;
 pub use options::ES2019Options;
-use oxc_ast::ast::*;
-use oxc_traverse::{Traverse, TraverseCtx};
 
 pub struct ES2019 {
     options: ES2019Options,

crates/oxc_transformer/src/es2020/mod.rs

@@ -1,12 +1,13 @@
+use oxc_ast::ast::*;
+use oxc_traverse::{Traverse, TraverseCtx};
+
+use crate::TransformCtx;
+
 mod nullish_coalescing_operator;
 mod options;
 
 pub use nullish_coalescing_operator::NullishCoalescingOperator;
 pub use options::ES2020Options;
-use oxc_ast::ast::*;
-use oxc_traverse::{Traverse, TraverseCtx};
-
-use crate::TransformCtx;
 
 pub struct ES2020<'a, 'ctx> {
     options: ES2020Options,

crates/oxc_transformer/src/es2021/mod.rs

@@ -1,12 +1,13 @@
+use oxc_ast::ast::*;
+use oxc_traverse::{Traverse, TraverseCtx};
+
+use crate::TransformCtx;
+
 mod logical_assignment_operators;
 mod options;
 
 pub use logical_assignment_operators::LogicalAssignmentOperators;
 pub use options::ES2021Options;
-use oxc_ast::ast::*;
-use oxc_traverse::{Traverse, TraverseCtx};
-
-use crate::TransformCtx;
 
 pub struct ES2021<'a, 'ctx> {
     options: ES2021Options,

crates/oxc_transformer/src/lib.rs

@@ -8,7 +8,14 @@
 //! * <https://babel.dev/docs/presets>
 //! * <https://github.com/microsoft/TypeScript/blob/main/src/compiler/transformer.ts>
 
-use oxc_ast::AstBuilder;
+use std::path::Path;
+
+use oxc_allocator::{Allocator, Vec};
+use oxc_ast::{ast::*, AstBuilder};
+use oxc_diagnostics::OxcDiagnostic;
+use oxc_semantic::{ScopeTree, SymbolTable};
+use oxc_span::SPAN;
+use oxc_traverse::{traverse_mut, Traverse, TraverseCtx};
 
 // Core
 mod common;
@@ -30,22 +37,18 @@ mod typescript;
 
 mod plugins;
 
-use std::path::Path;
-
 use common::Common;
+use context::TransformCtx;
+use es2015::ES2015;
 use es2016::ES2016;
 use es2017::ES2017;
 use es2018::ES2018;
 use es2019::ES2019;
 use es2020::ES2020;
 use es2021::ES2021;
-use oxc_allocator::{Allocator, Vec};
-use oxc_ast::ast::*;
-use oxc_diagnostics::OxcDiagnostic;
-use oxc_semantic::{ScopeTree, SymbolTable};
-use oxc_span::SPAN;
-use oxc_traverse::{traverse_mut, Traverse, TraverseCtx};
+use react::React;
 use regexp::RegExp;
+use typescript::TypeScript;
 
 pub use crate::{
     compiler_assumptions::CompilerAssumptions,
@@ -56,7 +59,6 @@ pub use crate::{
     react::{JsxOptions, JsxRuntime, ReactRefreshOptions},
     typescript::{RewriteExtensionsMode, TypeScriptOptions},
 };
-use crate::{context::TransformCtx, es2015::ES2015, react::React, typescript::TypeScript};
 
 pub struct TransformerReturn {
     pub errors: std::vec::Vec<OxcDiagnostic>,

crates/oxc_transformer/src/options/mod.rs

@@ -1,4 +1,5 @@
 mod babel;
 mod transformer;
 
-pub use self::{babel::BabelOptions, transformer::TransformOptions};
+pub use babel::BabelOptions;
+pub use transformer::TransformOptions;

crates/oxc_transformer/src/options/transformer.rs

@@ -1,8 +1,9 @@
 use std::path::PathBuf;
 
-use oxc_diagnostics::{Error, OxcDiagnostic};
 use serde_json::{from_value, json, Value};
 
+use oxc_diagnostics::{Error, OxcDiagnostic};
+
 use crate::{
     common::helper_loader::{HelperLoaderMode, HelperLoaderOptions},
     compiler_assumptions::CompilerAssumptions,

crates/oxc_transformer/src/react/jsx.rs

@@ -103,6 +103,7 @@ use oxc_traverse::{BoundIdentifier, Traverse, TraverseCtx};
 use crate::TransformCtx;
 
 use super::diagnostics;
+
 pub use super::{
     jsx_self::ReactJsxSelf,
     jsx_source::ReactJsxSource,

crates/oxc_transformer/src/react/jsx_source.rs

@@ -33,12 +33,13 @@
 //!
 //! * Babel plugin implementation: <https://github.com/babel/babel/blob/main/packages/babel-plugin-transform-react-jsx-source/src/index.ts>
 
+use ropey::Rope;
+
 use oxc_ast::{ast::*, NONE};
 use oxc_diagnostics::OxcDiagnostic;
 use oxc_span::{Span, SPAN};
 use oxc_syntax::{number::NumberBase, symbol::SymbolFlags};
 use oxc_traverse::{BoundIdentifier, Traverse, TraverseCtx};
-use ropey::Rope;
 
 use crate::TransformCtx;