chore: upgrade rustc toolchain to stable 1.75.0 (#1853)

ref: 
https://blog.rust-lang.org/2023/12/28/Rust-1.75.0.html

crates/oxc_diagnostics/src/graphic_reporter.rs

@@ -134,9 +134,9 @@ impl GraphicalReportHandler {
     /// Render a [`Diagnostic`]. This function is mostly internal and meant to
     /// be called by the toplevel [`ReportHandler`] handler, but is made public
     /// to make it easier (possible) to test in isolation from global state.
-    pub fn render_report(
+    pub fn render_report<T: fmt::Write>(
         &self,
-        f: &mut impl fmt::Write,
+        f: &mut T,
         diagnostic: &(dyn Diagnostic),
     ) -> fmt::Result {
         self.render_header(f, diagnostic)?;

crates/oxc_linter/src/config/mod.rs

@@ -244,7 +244,7 @@ fn resolve_rule_value(value: &serde_json::Value) -> Result<(AllowWarnDeny, Optio
             config.push(item.clone());
         }
         let config = if config.is_empty() { None } else { Some(Value::Array(config)) };
-        if let Some(v_idx_0) = v.get(0) {
+        if let Some(v_idx_0) = v.first() {
             return Ok((AllowWarnDeny::try_from(v_idx_0)?, config));
         }
     }

crates/oxc_linter/src/rules/deepscan/bad_array_method_on_arguments.rs

@@ -80,7 +80,7 @@ impl Rule for BadArrayMethodOnArguments {
                         // only check template string like "arguments[`METHOD_NAME`]" for Deepscan compatible
                         if template.expressions.is_empty() && template.quasis.len() == 1 {
                             if let Some(name) =
-                                template.quasis.get(0).and_then(|template_element| {
+                                template.quasis.first().and_then(|template_element| {
                                     template_element.value.cooked.as_deref()
                                 })
                             {

crates/oxc_linter/src/rules/deepscan/uninvoked_array_callback.rs

@@ -52,7 +52,7 @@ impl Rule for UninvokedArrayCallback {
             return;
         }
         if !matches!(
-            new_expr.arguments.get(0),
+            new_expr.arguments.first(),
             Some(Argument::Expression(Expression::NumberLiteral(_)))
         ) {
             return;
@@ -69,7 +69,7 @@ impl Rule for UninvokedArrayCallback {
         else {
             return;
         };
-        if !matches!(call_expr.arguments.get(0), Some(Argument::Expression(arg_expr)) if arg_expr.is_function())
+        if !matches!(call_expr.arguments.first(), Some(Argument::Expression(arg_expr)) if arg_expr.is_function())
         {
             return;
         }

crates/oxc_linter/src/rules/eslint/no_regex_spaces.rs

@@ -93,7 +93,7 @@ impl NoRegexSpaces {
             }
         }
 
-        if let Some(Argument::Expression(Expression::StringLiteral(pattern))) = args.get(0) {
+        if let Some(Argument::Expression(Expression::StringLiteral(pattern))) = args.first() {
             if Self::has_exempted_char_class(&pattern.value) {
                 return None; // skip spaces inside char class, e.g. RegExp('[  ]')
             }

crates/oxc_linter/src/rules/jest/no_done_callback.rs

@@ -176,7 +176,7 @@ fn find_argument_of_callback<'a>(
     }
 
     if matches!(kind, JestFnKind::General(JestGeneralFnKind::Hook)) {
-        return call_expr.arguments.get(0);
+        return call_expr.arguments.first();
     }
 
     if matches!(kind, JestFnKind::General(JestGeneralFnKind::Test)) {

crates/oxc_linter/src/rules/jest/no_identical_title.rs

@@ -138,7 +138,7 @@ fn filter_and_process_jest_result<'a>(
         return None;
     };
 
-    match call_expr.arguments.get(0) {
+    match call_expr.arguments.first() {
         Some(Argument::Expression(Expression::StringLiteral(string_lit))) => {
             Some((string_lit.span, &string_lit.value, kind, parent_id))
         }

crates/oxc_linter/src/rules/jest/no_mocks_import.rs

@@ -66,7 +66,7 @@ impl Rule for NoMocksImport {
             };
 
             let Some(Argument::Expression(Expression::StringLiteral(string_literal))) =
-                call_expr.arguments.get(0)
+                call_expr.arguments.first()
             else {
                 return;
             };

crates/oxc_linter/src/rules/jest/valid_title.rs

@@ -133,7 +133,7 @@ impl ValidTitle {
             return;
         }
 
-        let Some(Argument::Expression(expr)) = call_expr.arguments.get(0) else {
+        let Some(Argument::Expression(expr)) = call_expr.arguments.first() else {
             return;
         };
 
@@ -263,7 +263,7 @@ fn compile_matcher_pattern(pattern: MatcherPattern) -> Option<CompiledMatcherAnd
             Some((reg, None))
         }
         MatcherPattern::Vec(pattern) => {
-            let reg_str = pattern.get(0).and_then(|v| v.as_str()).map(|v| format!("(?u){v}"))?;
+            let reg_str = pattern.first().and_then(|v| v.as_str()).map(|v| format!("(?u){v}"))?;
             let reg = Regex::new(&reg_str).ok()?;
             let message = pattern.get(1).map(std::string::ToString::to_string);
             Some((reg, message))

crates/oxc_linter/src/rules/oxc/no_accumulating_spread.rs

@@ -95,7 +95,7 @@ impl Rule for NoAccumulatingSpread {
         // We're only looking for the first parameter, since that's where acc is.
         // Skip non-parameter or non-first-parameter declarations.
         let first_param_symbol_id =
-            params.items.get(0).and_then(|item| get_identifier_symbol_id(&item.pattern.kind));
+            params.items.first().and_then(|item| get_identifier_symbol_id(&item.pattern.kind));
         if !first_param_symbol_id.is_some_and(|id| id == referenced_symbol_id) {
             return;
         }

crates/oxc_linter/src/rules/react/button_has_type.rs

@@ -95,7 +95,7 @@ impl Rule for ButtonHasType {
             AstKind::CallExpression(call_expr) => {
                 if is_create_element_call(call_expr) {
                     let Some(Argument::Expression(Expression::StringLiteral(str))) =
-                        call_expr.arguments.get(0)
+                        call_expr.arguments.first()
                     else {
                         return;
                     };
@@ -144,7 +144,7 @@ impl Rule for ButtonHasType {
     }
 
     fn from_configuration(value: serde_json::Value) -> Self {
-        let value = value.as_array().and_then(|arr| arr.get(0)).and_then(|val| val.as_object());
+        let value = value.as_array().and_then(|arr| arr.first()).and_then(|val| val.as_object());
 
         Self {
             button: value

crates/oxc_linter/src/rules/react/jsx_no_useless_fragment.rs

@@ -198,7 +198,7 @@ fn is_fragment_with_only_text_and_is_not_child<'a>(
         return false;
     }
 
-    if let Some(JSXChild::Text(_)) = node.get(0) {
+    if let Some(JSXChild::Text(_)) = node.first() {
         let Some(parent) = ctx.nodes().parent_kind(id) else { return false };
         return !matches!(parent, AstKind::JSXElement(_) | AstKind::JSXFragment(_));
     }

crates/oxc_linter/src/rules/unicorn/catch_error_name.rs

@@ -116,7 +116,7 @@ impl Rule for CatchErrorName {
         if let AstKind::CallExpression(call_expr) = node.kind() {
             if let Expression::MemberExpression(member_expr) = &call_expr.callee {
                 if member_expr.static_property_name() == Some("catch") {
-                    if let Some(arg0) = call_expr.arguments.get(0) {
+                    if let Some(arg0) = call_expr.arguments.first() {
                         if let Some(diagnostic) = self.check_function_arguments(arg0, ctx) {
                             ctx.diagnostic(diagnostic);
                         }
@@ -149,7 +149,7 @@ impl CatchErrorName {
         let expr = expr.without_parenthesized();
 
         if let Expression::ArrowExpression(arrow_expr) = expr {
-            if let Some(arg0) = arrow_expr.params.items.get(0) {
+            if let Some(arg0) = arrow_expr.params.items.first() {
                 if let BindingPatternKind::BindingIdentifier(v) = &arg0.pattern.kind {
                     if self.is_name_allowed(&v.name) {
                         return None;
@@ -177,7 +177,7 @@ impl CatchErrorName {
         }
 
         if let Expression::FunctionExpression(fn_expr) = expr {
-            if let Some(arg0) = fn_expr.params.items.get(0) {
+            if let Some(arg0) = fn_expr.params.items.first() {
                 if let BindingPatternKind::BindingIdentifier(binding_ident) = &arg0.pattern.kind {
                     if self.is_name_allowed(&binding_ident.name) {
                         return None;

crates/oxc_linter/src/rules/unicorn/escape_case.rs

@@ -44,7 +44,7 @@ declare_oxc_lint!(
 );
 
 fn is_hex_char(c: char) -> bool {
-    matches!(c, '0'..='9' | 'a'..='f' | 'A'..='F')
+    c.is_ascii_hexdigit()
 }
 fn is_hex(iter: &Chars, count: i32) -> bool {
     let mut iter = iter.clone();

crates/oxc_linter/src/rules/unicorn/filename_case.rs

@@ -15,6 +15,7 @@ use crate::{context::LintContext, rule::Rule};
 struct FilenameCaseDiagnostic(#[label] pub Span, &'static str);
 
 #[derive(Debug, Clone)]
+#[allow(clippy::struct_field_names)]
 pub struct FilenameCase {
     kebab_case: bool,
     camel_case: bool,

crates/oxc_linter/src/rules/unicorn/no_array_reduce.rs

@@ -73,7 +73,7 @@ impl Rule for NoArrayReduce {
         };
 
         if is_method_call(call_expr, None, Some(&["reduce", "reduceRight"]), Some(1), Some(2))
-            && !matches!(call_expr.arguments.get(0), Some(Argument::SpreadElement(_)))
+            && !matches!(call_expr.arguments.first(), Some(Argument::SpreadElement(_)))
             && !call_expr.optional
             && !member_expr.is_computed()
         {
@@ -99,7 +99,7 @@ impl Rule for NoArrayReduce {
 }
 
 fn is_simple_operation(node: &CallExpression) -> bool {
-    let Some(Argument::Expression(callback_arg)) = node.arguments.get(0) else {
+    let Some(Argument::Expression(callback_arg)) = node.arguments.first() else {
         return false;
     };
     let function_body = match callback_arg {

crates/oxc_linter/src/rules/unicorn/no_invalid_remove_event_listener.rs

@@ -72,7 +72,7 @@ impl Rule for NoInvalidRemoveEventListener {
             return;
         }
 
-        if matches!(call_expr.arguments.get(0), Some(Argument::SpreadElement(_))) {
+        if matches!(call_expr.arguments.first(), Some(Argument::SpreadElement(_))) {
             return;
         }
 

crates/oxc_linter/src/rules/unicorn/prefer_array_flat.rs

@@ -79,7 +79,7 @@ fn check_array_flat_map_case<'a>(call_expr: &CallExpression<'a>, ctx: &LintConte
         return;
     }
 
-    let Argument::Expression(first_argument) = call_expr.arguments.get(0).unwrap() else {
+    let Argument::Expression(first_argument) = call_expr.arguments.first().unwrap() else {
         return;
     };
 
@@ -113,7 +113,7 @@ fn check_array_reduce_case<'a>(call_expr: &CallExpression<'a>, ctx: &LintContext
         return;
     }
     let Argument::Expression(Expression::ArrowExpression(first_argument)) =
-        call_expr.arguments.get(0).unwrap()
+        call_expr.arguments.first().unwrap()
     else {
         return;
     };
@@ -144,7 +144,7 @@ fn check_array_reduce_case<'a>(call_expr: &CallExpression<'a>, ctx: &LintContext
         return;
     };
 
-    let Some(Statement::ExpressionStatement(expr_stmt)) = first_argument.body.statements.get(0)
+    let Some(Statement::ExpressionStatement(expr_stmt)) = first_argument.body.statements.first()
     else {
         return;
     };

crates/oxc_linter/src/rules/unicorn/prefer_date_now.rs

@@ -81,7 +81,7 @@ impl Rule for PreferDateNow {
                     if matches!(ident.name.as_str(), "Number" | "BigInt")
                         && call_expr.arguments.len() == 1
                     {
-                        if let Some(Argument::Expression(expr)) = call_expr.arguments.get(0) {
+                        if let Some(Argument::Expression(expr)) = call_expr.arguments.first() {
                             if is_new_date(expr.without_parenthesized()) {
                                 ctx.diagnostic(
                                     PreferDateNowDiagnostic::PreferDateNowOverNumberDateObject(

crates/oxc_linter/src/rules/unicorn/prefer_native_coercion_functions.rs

@@ -108,7 +108,7 @@ impl Rule for PreferNativeCoercionFunctions {
 }
 
 fn get_first_parameter_name<'a>(arg: &'a FormalParameters) -> Option<&'a str> {
-    let first_func_param = arg.items.get(0)?;
+    let first_func_param = arg.items.first()?;
     let BindingPatternKind::BindingIdentifier(first_func_param) = &first_func_param.pattern.kind
     else {
         return None;

crates/oxc_linter/src/rules/unicorn/prefer_query_selector.rs

@@ -71,7 +71,7 @@ impl Rule for PreferQuerySelector {
             return;
         }
 
-        let Argument::Expression(argument_expr) = call_expr.arguments.get(0).unwrap() else {
+        let Argument::Expression(argument_expr) = call_expr.arguments.first().unwrap() else {
             return;
         };
 
@@ -97,7 +97,7 @@ impl Rule for PreferQuerySelector {
                 Expression::StringLiteral(literal) => Some(literal.value.trim()),
                 Expression::TemplateLiteral(literal) => {
                     if literal.expressions.len() == 0 {
-                        literal.quasis.get(0).unwrap().value.cooked.as_deref().map(str::trim)
+                        literal.quasis.first().unwrap().value.cooked.as_deref().map(str::trim)
                     } else {
                         None
                     }

crates/oxc_linter/src/rules/unicorn/prefer_spread.rs

@@ -105,7 +105,7 @@ impl Rule for PreferSpread {
                     }
                 }
 
-                if let Some(first_arg) = call_expr.arguments.get(0) {
+                if let Some(first_arg) = call_expr.arguments.first() {
                     let Argument::Expression(first_arg) = first_arg else { return };
                     if let Expression::NumberLiteral(num_lit) = first_arg.without_parenthesized() {
                         if num_lit.value != 0.0 {

crates/oxc_linter/src/utils/react.rs

@@ -196,7 +196,7 @@ pub fn parse_jsx_value(value: &JSXAttributeValue) -> Result<f64, ()> {
         }) => match expression {
             Expression::StringLiteral(str) => str.value.parse().or(Err(())),
             Expression::TemplateLiteral(tmpl) => {
-                tmpl.quasis.get(0).unwrap().value.raw.parse().or(Err(()))
+                tmpl.quasis.first().unwrap().value.raw.parse().or(Err(()))
             }
             Expression::NumberLiteral(num) => Ok(num.value),
             _ => Err(()),

crates/oxc_linter/src/utils/unicorn.rs

@@ -108,7 +108,7 @@ pub fn is_logical_expression(node: &AstNode) -> bool {
 
 // gets the name of the first parameter of a function
 pub fn get_first_parameter_name<'a>(arg: &'a FormalParameters) -> Option<&'a str> {
-    let first_func_param = arg.items.get(0)?;
+    let first_func_param = arg.items.first()?;
     let BindingPatternKind::BindingIdentifier(first_func_param) = &first_func_param.pattern.kind
     else {
         return None;
@@ -117,9 +117,9 @@ pub fn get_first_parameter_name<'a>(arg: &'a FormalParameters) -> Option<&'a str
 }
 
 pub fn get_return_identifier_name<'a>(body: &'a FunctionBody<'_>) -> Option<&'a str> {
-    match body.statements.get(0)? {
+    match body.statements.first()? {
         Statement::BlockStatement(block_stmt) => {
-            let Statement::ReturnStatement(return_stmt) = block_stmt.body.get(0)? else {
+            let Statement::ReturnStatement(return_stmt) = block_stmt.body.first()? else {
                 return None;
             };
 

crates/oxc_minifier/src/compressor/ast_util.rs

@@ -457,7 +457,7 @@ pub fn get_boolean_value(expr: &Expression) -> Option<bool> {
             // only for ``
             template_literal
                 .quasis
-                .get(0)
+                .first()
                 .filter(|quasi| quasi.tail)
                 .and_then(|quasi| quasi.value.cooked.as_ref())
                 .map(|cooked| !cooked.is_empty())
@@ -550,7 +550,7 @@ pub fn get_string_value<'a>(expr: &'a Expression) -> Option<Cow<'a, str>> {
             // Closure-compiler do more: [case TEMPLATELIT](https://github.com/google/closure-compiler/blob/e13f5cd0a5d3d35f2db1e6c03fdf67ef02946009/src/com/google/javascript/jscomp/NodeUtil.java#L241-L256).
             template_literal
                 .quasis
-                .get(0)
+                .first()
                 .filter(|quasi| quasi.tail)
                 .and_then(|quasi| quasi.value.cooked.as_ref())
                 .map(|cooked| Cow::Borrowed(cooked.as_str()))

crates/oxc_parser/src/ts/types.rs

@@ -1110,6 +1110,7 @@ impl<'a> Parser<'a> {
                 break;
             }
 
+            #[allow(clippy::unnecessary_fallible_conversions)]
             if let Ok(modifier_flag) = self.cur_kind().try_into() {
                 flags.set(modifier_flag, true);
             } else {

crates/oxc_prettier/src/format/assignment.rs

@@ -164,7 +164,7 @@ fn choose_layout<'a>(
             return Layout::Chain;
         } else if let Expression::ArrowExpression(arrow_expr) = right_expr {
             if let Some(Statement::ExpressionStatement(expr_stmt)) =
-                arrow_expr.body.statements.get(0)
+                arrow_expr.body.statements.first()
             {
                 if let Expression::ArrowExpression(_) = expr_stmt.expression {
                     return Layout::ChainTailArrowChain;

crates/oxc_prettier/src/format/mod.rs

@@ -993,7 +993,7 @@ impl<'a> Format<'a> for ImportDeclaration<'a> {
             parts.push(ss!(" type"));
         }
         if let Some(specifiers) = &self.specifiers {
-            let is_default = specifiers.get(0).is_some_and(|x| {
+            let is_default = specifiers.first().is_some_and(|x| {
                 matches!(x, ImportDeclarationSpecifier::ImportDefaultSpecifier(_))
             });
 
@@ -1001,7 +1001,7 @@ impl<'a> Format<'a> for ImportDeclaration<'a> {
                 matches!(x, ImportDeclarationSpecifier::ImportNamespaceSpecifier(_))
             };
 
-            let is_namespace = specifiers.get(0).is_some_and(validate_namespace)
+            let is_namespace = specifiers.first().is_some_and(validate_namespace)
                 || specifiers.get(1).is_some_and(validate_namespace);
 
             parts.push(module::print_module_specifiers(p, specifiers, is_default, is_namespace));

crates/oxc_prettier/src/needs_parens.rs

@@ -642,7 +642,7 @@ impl<'a> Prettier<'a> {
             }
             Expression::SequenceExpression(e) => e
                 .expressions
-                .get(0)
+                .first()
                 .map_or(false, |e| Self::starts_with_no_lookahead_token(e, span)),
             Expression::ChainExpression(e) => match &e.expression {
                 ChainElement::CallExpression(e) => {

crates/oxc_semantic/src/module_record/builder.rs

@@ -46,7 +46,7 @@ impl ModuleRecordBuilder {
                 };
                 if ident.name == "require" {
                     let Some(Argument::Expression(Expression::StringLiteral(module))) =
-                        call.arguments.get(0)
+                        call.arguments.first()
                     else {
                         continue;
                     };

crates/oxc_semantic/tests/util/mod.rs

@@ -114,6 +114,7 @@ impl SemanticTester {
     ///
     /// ## Fails
     /// If no class with the given name exists.
+    #[allow(dead_code)]
     pub fn has_class(&self, name: &str) -> ClassTester {
         ClassTester::has_class(self.build(), name)
     }
@@ -124,6 +125,7 @@ impl SemanticTester {
     /// 1. No symbol with the given name exists,
     /// 2. More than one symbol with the given name exists, so a symbol cannot
     ///    be uniquely obtained.
+    #[allow(dead_code)]
     pub fn has_some_symbol(&self, name: &str) -> SymbolTester {
         SymbolTester::new_unique(self, self.build(), name)
     }

crates/oxc_transformer/src/es2015/template_literals.rs

@@ -45,7 +45,7 @@ impl<'a> TemplateLiterals<'a> {
                 }
 
                 // make sure the first node is a string
-                if !matches!(nodes.get(0), Some(Expression::StringLiteral(_))) {
+                if !matches!(nodes.first(), Some(Expression::StringLiteral(_))) {
                     let literal = StringLiteral::new(SPAN, Atom::from(""));
                     let string_literal = self.ast.literal_string_expression(literal);
                     nodes.insert(0, string_literal);

rust-toolchain.toml

@@ -1,3 +1,3 @@
 [toolchain]
-channel = "1.74.0"
+channel = "1.75.0"
 profile = "default"

tasks/common/src/babel.rs

@@ -69,7 +69,7 @@ impl BabelOptions {
 
     pub fn is_typescript_definition(&self) -> bool {
         self.plugins.iter().filter_map(Value::as_array).any(|p| {
-            let typescript = p.get(0).and_then(Value::as_str).is_some_and(|s| s == "typescript");
+            let typescript = p.first().and_then(Value::as_str).is_some_and(|s| s == "typescript");
             let dts = p
                 .get(1)
                 .and_then(Value::as_object)
@@ -91,7 +91,7 @@ impl BabelOptions {
     pub fn get_plugin(&self, name: &str) -> Option<Option<Value>> {
         self.plugins.iter().find_map(|v| match v {
             Value::String(s) if s == name => Some(None),
-            Value::Array(a) if a.get(0).and_then(Value::as_str).is_some_and(|s| s == name) => {
+            Value::Array(a) if a.first().and_then(Value::as_str).is_some_and(|s| s == name) => {
                 Some(a.get(1).cloned())
             }
             _ => None,