refactor(linter): remove aho-corasick (#7718)

Cargo.lock

@@ -1672,7 +1672,6 @@ dependencies = [
 name = "oxc_linter"
 version = "0.14.1"
 dependencies = [
- "aho-corasick",
  "bitflags 2.6.0",
  "convert_case",
  "cow-utils",

Cargo.toml

@@ -118,12 +118,13 @@ quote = "1"
 syn = { version = "2", default-features = false }
 unicode-id-start = "1"
 
+#
 oxc-browserslist = "1.1.0"
 oxc_index = "1.0.1"
 oxc_resolver = "2.1.1"
 oxc_sourcemap = "1.0.3"
 
-aho-corasick = "1.1.3"
+#
 allocator-api2 = "0.2.21"
 assert-unchecked = "0.1.2"
 base64 = "0.22.1"

crates/oxc_linter/Cargo.toml

@@ -35,7 +35,7 @@ oxc_semantic = { workspace = true }
 oxc_span = { workspace = true, features = ["schemars", "serialize"] }
 oxc_syntax = { workspace = true, features = ["serialize"] }
 
-aho-corasick = { workspace = true }
+#
 bitflags = { workspace = true }
 convert_case = { workspace = true }
 cow-utils = { workspace = true }

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

@@ -1,5 +1,3 @@
-use aho_corasick::AhoCorasick;
-use lazy_static::lazy_static;
 use oxc_allocator::{Allocator, Vec};
 use oxc_ast::{
     ast::{Argument, CallExpression, NewExpression, RegExpLiteral},
@@ -48,11 +46,6 @@ declare_oxc_lint!(
     pending // TODO: This is somewhat autofixable, but the fixer does not exist yet.
 );
 
-lazy_static! {
-    static ref DOUBLE_SPACE: AhoCorasick =
-        AhoCorasick::new(["  "]).expect("no-regex-spaces: Unable to build AhoCorasick");
-}
-
 impl Rule for NoRegexSpaces {
     fn run<'a>(&self, node: &AstNode<'a>, ctx: &LintContext<'a>) {
         match node.kind() {
@@ -127,7 +120,7 @@ impl NoRegexSpaces {
     // For skipping if there aren't any consecutive spaces in the source, to avoid reporting cases
     // where the space is explicitly escaped, like: `RegExp(' \ ')``.
     fn has_double_space(input: &str) -> bool {
-        DOUBLE_SPACE.is_match(input)
+        input.contains("  ")
     }
 }
 

crates/oxc_linter/src/rules/jsx_a11y/img_redundant_alt.rs

@@ -1,4 +1,6 @@
-use aho_corasick::AhoCorasick;
+use std::borrow::Cow;
+
+use cow_utils::CowUtils;
 use oxc_ast::{
     ast::{JSXAttributeItem, JSXAttributeName, JSXAttributeValue, JSXExpression},
     AstKind,
@@ -28,7 +30,7 @@ pub struct ImgRedundantAlt(Box<ImgRedundantAltConfig>);
 #[derive(Debug, Clone)]
 pub struct ImgRedundantAltConfig {
     types_to_validate: Vec<CompactStr>,
-    redundant_words: AhoCorasick,
+    redundant_words: Vec<Cow<'static, str>>,
 }
 
 impl std::ops::Deref for ImgRedundantAlt {
@@ -45,24 +47,19 @@ impl Default for ImgRedundantAltConfig {
     fn default() -> Self {
         Self {
             types_to_validate: vec![CompactStr::new("img")],
-            redundant_words: AhoCorasick::builder()
-                .ascii_case_insensitive(true)
-                .build(REDUNDANT_WORDS)
-                .expect("Could not build AhoCorasick"),
+            redundant_words: vec!["image".into(), "photo".into(), "picture".into()],
         }
     }
 }
 impl ImgRedundantAltConfig {
-    fn new(
-        types_to_validate: Vec<&str>,
-        redundant_words: &[&str],
-    ) -> Result<Self, aho_corasick::BuildError> {
-        Ok(Self {
+    fn new(types_to_validate: Vec<&str>, redundant_words: &[&str]) -> Self {
+        Self {
             types_to_validate: types_to_validate.into_iter().map(Into::into).collect(),
-            redundant_words: AhoCorasick::builder()
-                .ascii_case_insensitive(true)
-                .build(redundant_words)?,
-        })
+            redundant_words: redundant_words
+                .iter()
+                .map(|w| Cow::Owned(w.cow_to_ascii_lowercase().to_string()))
+                .collect::<Vec<_>>(),
+        }
     }
 }
 
@@ -121,7 +118,7 @@ impl Rule for ImgRedundantAlt {
                 v.iter().filter_map(Value::as_str).chain(REDUNDANT_WORDS).collect::<Vec<_>>()
             });
 
-        Self(Box::new(ImgRedundantAltConfig::new(components, words.as_slice()).unwrap()))
+        Self(Box::new(ImgRedundantAltConfig::new(components, words.as_slice())))
     }
 
     fn run<'a>(&self, node: &AstNode<'a>, ctx: &LintContext<'a>) {
@@ -195,10 +192,15 @@ impl Rule for ImgRedundantAlt {
 impl ImgRedundantAlt {
     #[inline]
     fn is_redundant_alt_text(&self, alt_text: &str) -> bool {
-        for mat in self.redundant_words.find_iter(alt_text) {
-            // check if followed by space or is whole text
-            if mat.end() == alt_text.len() || alt_text.as_bytes()[mat.end()] == b' ' {
-                return true;
+        let alt_text = alt_text.cow_to_ascii_lowercase();
+        for word in &self.redundant_words {
+            if let Some(index) = alt_text.find(word.as_ref()) {
+                // check if followed by space or is whole text
+                if index + word.len() == alt_text.len()
+                    || alt_text.as_bytes().get(index + word.len()) == Some(&b' ')
+                {
+                    return true;
+                }
             }
         }
         false