feat(linter/eslint): Implement no-div-regex (#3442)

Rule Detail:
[link](https://eslint.org/docs/latest/rules/no-div-regex)

crates/oxc_linter/src/rules.rs

@@ -52,6 +52,7 @@ mod eslint {
     pub mod no_control_regex;
     pub mod no_debugger;
     pub mod no_delete_var;
+    pub mod no_div_regex;
     pub mod no_dupe_class_members;
     pub mod no_dupe_else_if;
     pub mod no_dupe_keys;
@@ -428,6 +429,7 @@ oxc_macros::declare_all_lint_rules! {
     eslint::no_control_regex,
     eslint::no_debugger,
     eslint::no_delete_var,
+    eslint::no_div_regex,
     eslint::no_dupe_class_members,
     eslint::no_dupe_else_if,
     eslint::no_dupe_keys,

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

@@ -0,0 +1,67 @@
+use oxc_ast::AstKind;
+use oxc_diagnostics::OxcDiagnostic;
+use oxc_macros::declare_oxc_lint;
+use oxc_span::Span;
+
+use crate::{context::LintContext, fixer::Fix, rule::Rule, AstNode};
+
+fn no_div_regex_diagnostic(span0: Span) -> OxcDiagnostic {
+    OxcDiagnostic::warn(
+        "eslint(no-div-regex): A regular expression literal can be confused with '/='.",
+    )
+    .with_help("Rewrite `/=` into `/[=]`")
+    .with_labels([span0.into()])
+}
+
+#[derive(Debug, Default, Clone)]
+pub struct NoDivRegex;
+
+declare_oxc_lint!(
+    /// ### What it does
+    ///
+    /// Disallow equal signs explicitly at the beginning of regular expressions.
+    ///
+    /// ### Why is this bad?
+    ///
+    /// Characters /= at the beginning of a regular expression literal can be confused with a
+    /// division assignment operator.
+    ///
+    /// ### Example
+    /// ```javascript
+    /// function bar() { return /=foo/; }
+    /// ```
+    NoDivRegex,
+    restriction,
+);
+
+impl Rule for NoDivRegex {
+    fn run<'a>(&self, node: &AstNode<'a>, ctx: &LintContext<'a>) {
+        if let AstKind::RegExpLiteral(lit) = node.kind() {
+            if lit.regex.pattern.starts_with('=') {
+                ctx.diagnostic_with_fix(no_div_regex_diagnostic(lit.span), || {
+                    Fix::new("[=]", Span::new(lit.span.start + 1, lit.span.start + 2))
+                });
+            }
+        }
+    }
+}
+
+#[test]
+fn test() {
+    use crate::tester::Tester;
+
+    let pass = vec![
+        "var f = function() { return /foo/ig.test('bar'); };",
+        "var f = function() { return /\\=foo/; };",
+    ];
+
+    let fail = vec!["var f = function() { return /=foo/; };"];
+
+    let fix = vec![(
+        "var f = function() { return /=foo/; };",
+        "var f = function() { return /[=]foo/; };",
+        None,
+    )];
+
+    Tester::new(NoDivRegex::NAME, pass, fail).expect_fix(fix).test_and_snapshot();
+}

crates/oxc_linter/src/snapshots/no_div_regex.snap

@@ -0,0 +1,10 @@
+---
+source: crates/oxc_linter/src/tester.rs
+expression: no_div_regex
+---
+  ⚠ eslint(no-div-regex): A regular expression literal can be confused with '/='.
+   ╭─[no_div_regex.tsx:1:29]
+ 1 │ var f = function() { return /=foo/; };
+   ·                             ──────
+   ╰────
+  help: Rewrite `/=` into `/[=]`