perf(linter): use cow_utils in no_script_url (#5633)

part of #5586 

---------

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

Cargo.lock

@@ -327,6 +327,12 @@ dependencies = [
  "unicode-segmentation",
 ]
 
+[[package]]
+name = "cow-utils"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "417bef24afe1460300965a25ff4a24b8b45ad011948302ec221e8a0a81eb2c79"
+
 [[package]]
 name = "cpufeatures"
 version = "0.2.12"
@@ -1621,6 +1627,7 @@ version = "0.9.3"
 dependencies = [
  "bitflags 2.6.0",
  "convert_case",
+ "cow-utils",
  "dashmap 6.0.1",
  "globset",
  "insta",

Cargo.toml

@@ -119,6 +119,7 @@ cfg-if = "1.0.0"
 compact_str = "0.8.0"
 console = "0.15.8"
 convert_case = "0.6.0"
+cow-utils = "0.1.3"
 criterion2 = { version = "1.1.0", default-features = false }
 daachorse = { version = "1.0.0" }
 dashmap = "6.0.1"

crates/oxc_linter/Cargo.toml

@@ -36,6 +36,7 @@ oxc_syntax = { workspace = true }
 
 bitflags = { workspace = true }
 convert_case = { workspace = true }
+cow-utils = { workspace = true }
 dashmap = { workspace = true }
 globset = { workspace = true }
 itertools = { workspace = true }

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

@@ -1,3 +1,4 @@
+use cow_utils::CowUtils;
 use oxc_ast::AstKind;
 use oxc_diagnostics::OxcDiagnostic;
 use oxc_macros::declare_oxc_lint;
@@ -37,7 +38,7 @@ impl Rule for NoScriptUrl {
     fn run<'a>(&self, node: &AstNode<'a>, ctx: &LintContext<'a>) {
         match node.kind() {
             AstKind::StringLiteral(literal)
-                if literal.value.to_lowercase().starts_with("javascript:") =>
+                if literal.value.cow_to_lowercase().starts_with("javascript:") =>
             {
                 emit_diagnostic(ctx, literal.span);
             }
@@ -51,7 +52,7 @@ impl Rule for NoScriptUrl {
                         .unwrap()
                         .value
                         .raw
-                        .to_lowercase()
+                        .cow_to_lowercase()
                         .starts_with("javascript:")
                 {
                     emit_diagnostic(ctx, literal.span);