From d8d2ec625729582b58633e0e17e39059a248dd81 Mon Sep 17 00:00:00 2001
From: "Alexander S." <sysix@sysix-coding.de>
Date: Sat, 28 Dec 2024 18:03:11 +0100
Subject: [PATCH] perf(linter): run rules which require typescript syntax only
 when source type is actually typescript (#8166)

---
 .../src/rules/typescript/consistent_generic_constructors.rs   | 4 ++++
 .../oxc_linter/src/rules/typescript/no_empty_object_type.rs   | 4 ++++
 crates/oxc_linter/src/rules/typescript/no_misused_new.rs      | 4 ++++
 .../src/rules/typescript/no_unsafe_function_type.rs           | 4 ++++
 .../src/rules/typescript/no_wrapper_object_types.rs           | 4 ++++
 5 files changed, 20 insertions(+)

diff --git a/crates/oxc_linter/src/rules/typescript/consistent_generic_constructors.rs b/crates/oxc_linter/src/rules/typescript/consistent_generic_constructors.rs
index 8ee66e9916c97..bcb86b4f21156 100644
--- a/crates/oxc_linter/src/rules/typescript/consistent_generic_constructors.rs
+++ b/crates/oxc_linter/src/rules/typescript/consistent_generic_constructors.rs
@@ -118,6 +118,10 @@ impl Rule for ConsistentGenericConstructors {
                 .unwrap_or_default(),
         }))
     }
+
+    fn should_run(&self, ctx: &crate::rules::ContextHost) -> bool {
+        ctx.source_type().is_typescript()
+    }
 }
 
 impl ConsistentGenericConstructors {
diff --git a/crates/oxc_linter/src/rules/typescript/no_empty_object_type.rs b/crates/oxc_linter/src/rules/typescript/no_empty_object_type.rs
index 12c1bc5f91fe6..8e479d1d8e83f 100644
--- a/crates/oxc_linter/src/rules/typescript/no_empty_object_type.rs
+++ b/crates/oxc_linter/src/rules/typescript/no_empty_object_type.rs
@@ -140,6 +140,10 @@ impl Rule for NoEmptyObjectType {
             _ => {}
         }
     }
+
+    fn should_run(&self, ctx: &crate::rules::ContextHost) -> bool {
+        ctx.source_type().is_typescript()
+    }
 }
 
 fn check_interface_declaration(
diff --git a/crates/oxc_linter/src/rules/typescript/no_misused_new.rs b/crates/oxc_linter/src/rules/typescript/no_misused_new.rs
index acc5d646d2992..64e5c77c35b98 100644
--- a/crates/oxc_linter/src/rules/typescript/no_misused_new.rs
+++ b/crates/oxc_linter/src/rules/typescript/no_misused_new.rs
@@ -113,6 +113,10 @@ impl Rule for NoMisusedNew {
             _ => {}
         }
     }
+
+    fn should_run(&self, ctx: &crate::rules::ContextHost) -> bool {
+        ctx.source_type().is_typescript()
+    }
 }
 
 #[test]
diff --git a/crates/oxc_linter/src/rules/typescript/no_unsafe_function_type.rs b/crates/oxc_linter/src/rules/typescript/no_unsafe_function_type.rs
index 23ff43c4704f0..dd7fe7af08a3b 100644
--- a/crates/oxc_linter/src/rules/typescript/no_unsafe_function_type.rs
+++ b/crates/oxc_linter/src/rules/typescript/no_unsafe_function_type.rs
@@ -76,6 +76,10 @@ impl Rule for NoUnsafeFunctionType {
             _ => {}
         }
     }
+
+    fn should_run(&self, ctx: &crate::rules::ContextHost) -> bool {
+        ctx.source_type().is_typescript()
+    }
 }
 
 fn handle_function_type<'a>(identifier: &'a IdentifierReference<'a>, ctx: &LintContext<'a>) {
diff --git a/crates/oxc_linter/src/rules/typescript/no_wrapper_object_types.rs b/crates/oxc_linter/src/rules/typescript/no_wrapper_object_types.rs
index f8adc33f1f4b7..d320944f24c17 100644
--- a/crates/oxc_linter/src/rules/typescript/no_wrapper_object_types.rs
+++ b/crates/oxc_linter/src/rules/typescript/no_wrapper_object_types.rs
@@ -99,6 +99,10 @@ impl Rule for NoWrapperObjectTypes {
             }
         }
     }
+
+    fn should_run(&self, ctx: &crate::rules::ContextHost) -> bool {
+        ctx.source_type().is_typescript()
+    }
 }
 
 #[test]