From 6655345bb9f0ae597017be8fb074b9a244d9c3b3 Mon Sep 17 00:00:00 2001
From: overlookmotel <557937+overlookmotel@users.noreply.github.com>
Date: Thu, 28 Nov 2024 12:32:43 +0000
Subject: [PATCH] perf(linter): use `FxDashMap` for module cache (#7522)

Same as #7521. Use `FxDashMap` instead of plain `DashMap` for module cache.
---
 crates/oxc_linter/src/service/module_cache.rs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/crates/oxc_linter/src/service/module_cache.rs b/crates/oxc_linter/src/service/module_cache.rs
index b46b2ff30552f..3bb4196c5f75e 100644
--- a/crates/oxc_linter/src/service/module_cache.rs
+++ b/crates/oxc_linter/src/service/module_cache.rs
@@ -5,9 +5,11 @@ use std::{
 
 use dashmap::{mapref::one::Ref, DashMap};
 use oxc_semantic::ModuleRecord;
-use rustc_hash::FxHashMap;
+use rustc_hash::{FxBuildHasher, FxHashMap};
 use std::num::NonZeroUsize;
 
+type FxDashMap<K, V> = DashMap<K, V, FxBuildHasher>;
+
 /// `CacheState` and `CacheStateEntry` are used to fix the problem where
 /// there is a brief moment when a concurrent fetch can miss the cache.
 ///
@@ -26,7 +28,7 @@ enum CacheStateEntry {
 }
 
 /// Keyed by canonicalized path
-type ModuleMap = DashMap<Box<Path>, ModuleState>;
+type ModuleMap = FxDashMap<Box<Path>, ModuleState>;
 
 #[derive(Clone)]
 pub(super) enum ModuleState {