diff --git a/.vscode/settings.json b/.vscode/settings.json
new file mode 100644
index 0000000000000..7569cd4abf2e5
--- /dev/null
+++ b/.vscode/settings.json
@@ -0,0 +1,3 @@
+{
+  "oxc.path.server": "editors/vscode/target/debug/oxc_language_server"
+}
diff --git a/Cargo.lock b/Cargo.lock
index 8b7c0e99d8484..18cf35a65163c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -595,6 +595,22 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "dhat"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "98cd11d84628e233de0ce467de10b8633f4ddaecafadefc86e13b84b8739b827"
+dependencies = [
+ "backtrace",
+ "lazy_static",
+ "mintex",
+ "parking_lot",
+ "rustc-hash 1.1.0",
+ "serde",
+ "serde_json",
+ "thousands",
+]
+
 [[package]]
 name = "digest"
 version = "0.10.7"
@@ -715,7 +731,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "39cab71617ae0d63f51a36d69f866391735b51691dbda63cf6f96d042b63efeb"
 dependencies = [
  "libc",
- "windows-sys 0.52.0",
+ "windows-sys 0.61.0",
 ]
 
 [[package]]
@@ -1201,7 +1217,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4b0f83760fb341a774ed326568e19f5a863af4a952def8c39f9ab92fd95b88e5"
 dependencies = [
  "equivalent",
- "hashbrown 0.15.5",
+ "hashbrown 0.16.0",
  "rayon",
  "serde",
  "serde_core",
@@ -1452,6 +1468,12 @@ dependencies = [
  "adler2",
 ]
 
+[[package]]
+name = "mintex"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c505b3e17ed6b70a7ed2e67fbb2c560ee327353556120d6e72f5232b6880d536"
+
 [[package]]
 name = "mio"
 version = "1.0.4"
@@ -1474,7 +1496,7 @@ dependencies = [
  "napi-build",
  "napi-sys",
  "nohash-hasher",
- "rustc-hash",
+ "rustc-hash 2.1.1",
  "tokio",
 ]
 
@@ -1684,7 +1706,7 @@ dependencies = [
  "bincode 2.0.1",
  "flate2",
  "nom",
- "rustc-hash",
+ "rustc-hash 2.1.1",
  "serde",
  "serde_json",
  "thiserror",
@@ -1740,7 +1762,7 @@ dependencies = [
  "oxc_ast_macros",
  "oxc_data_structures",
  "oxc_estree",
- "rustc-hash",
+ "rustc-hash 2.1.1",
  "serde",
  "serde_json",
 ]
@@ -1789,7 +1811,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "rayon",
- "rustc-hash",
+ "rustc-hash 2.1.1",
  "serde",
  "serde_json",
  "syn",
@@ -1824,7 +1846,7 @@ dependencies = [
  "oxc_span",
  "oxc_tasks_common",
  "oxc_transformer",
- "rustc-hash",
+ "rustc-hash 2.1.1",
  "serde",
  "serde_json",
 ]
@@ -1839,7 +1861,7 @@ dependencies = [
  "oxc_index",
  "oxc_syntax",
  "petgraph",
- "rustc-hash",
+ "rustc-hash 2.1.1",
 ]
 
 [[package]]
@@ -1862,7 +1884,7 @@ dependencies = [
  "oxc_span",
  "oxc_syntax",
  "pico-args",
- "rustc-hash",
+ "rustc-hash 2.1.1",
 ]
 
 [[package]]
@@ -1872,7 +1894,7 @@ dependencies = [
  "cow-utils",
  "oxc-browserslist",
  "oxc_syntax",
- "rustc-hash",
+ "rustc-hash 2.1.1",
  "serde",
 ]
 
@@ -1908,7 +1930,7 @@ dependencies = [
  "phf",
  "pico-args",
  "rayon",
- "rustc-hash",
+ "rustc-hash 2.1.1",
  "saphyr",
  "serde",
  "serde_json",
@@ -1967,7 +1989,7 @@ dependencies = [
  "oxc_span",
  "oxc_syntax",
  "pico-args",
- "rustc-hash",
+ "rustc-hash 2.1.1",
  "unicode-width",
 ]
 
@@ -1995,13 +2017,14 @@ dependencies = [
  "oxc_parser",
  "oxc_span",
  "oxc_syntax",
- "rustc-hash",
+ "rustc-hash 2.1.1",
 ]
 
 [[package]]
 name = "oxc_language_server"
 version = "1.19.0"
 dependencies = [
+ "dhat",
  "env_logger",
  "futures",
  "ignore",
@@ -2014,7 +2037,7 @@ dependencies = [
  "oxc_linter",
  "oxc_parser",
  "papaya",
- "rustc-hash",
+ "rustc-hash 2.1.1",
  "serde",
  "serde_json",
  "tokio",
@@ -2065,7 +2088,7 @@ dependencies = [
  "project-root",
  "rayon",
  "rust-lapper",
- "rustc-hash",
+ "rustc-hash 2.1.1",
  "self_cell",
  "serde",
  "serde_json",
@@ -2079,7 +2102,7 @@ version = "0.0.0"
 dependencies = [
  "convert_case",
  "project-root",
- "rustc-hash",
+ "rustc-hash 2.1.1",
  "syn",
 ]
 
@@ -2106,7 +2129,7 @@ dependencies = [
  "oxc_parser",
  "oxc_semantic",
  "oxc_span",
- "rustc-hash",
+ "rustc-hash 2.1.1",
 ]
 
 [[package]]
@@ -2132,7 +2155,7 @@ dependencies = [
  "oxc_syntax",
  "oxc_traverse",
  "pico-args",
- "rustc-hash",
+ "rustc-hash 2.1.1",
 ]
 
 [[package]]
@@ -2170,7 +2193,7 @@ dependencies = [
  "oxc_tasks_common",
  "oxc_transformer_plugins",
  "pico-args",
- "rustc-hash",
+ "rustc-hash 2.1.1",
  "similar-asserts",
 ]
 
@@ -2207,7 +2230,7 @@ dependencies = [
  "oxc_span",
  "oxc_syntax",
  "pico-args",
- "rustc-hash",
+ "rustc-hash 2.1.1",
  "seq-macro",
 ]
 
@@ -2223,7 +2246,7 @@ dependencies = [
  "oxc_ast_macros",
  "oxc_estree",
  "oxc_napi",
- "rustc-hash",
+ "rustc-hash 2.1.1",
 ]
 
 [[package]]
@@ -2239,7 +2262,7 @@ dependencies = [
  "oxc_linter",
  "oxc_napi",
  "oxc_transformer_plugins",
- "rustc-hash",
+ "rustc-hash 2.1.1",
  "serde",
  "serde_json",
 ]
@@ -2257,7 +2280,7 @@ dependencies = [
  "oxc_span",
  "oxc_tasks_common",
  "pico-args",
- "rustc-hash",
+ "rustc-hash 2.1.1",
  "similar",
  "walkdir",
 ]
@@ -2272,7 +2295,7 @@ dependencies = [
  "oxc_diagnostics",
  "oxc_span",
  "phf",
- "rustc-hash",
+ "rustc-hash 2.1.1",
  "unicode-id-start",
 ]
 
@@ -2288,7 +2311,7 @@ dependencies = [
  "libc",
  "once_cell",
  "papaya",
- "rustc-hash",
+ "rustc-hash 2.1.1",
  "serde",
  "serde_json",
  "simdutf8",
@@ -2328,7 +2351,7 @@ dependencies = [
  "oxc_span",
  "oxc_syntax",
  "phf",
- "rustc-hash",
+ "rustc-hash 2.1.1",
  "self_cell",
  "serde_json",
 ]
@@ -2343,7 +2366,7 @@ dependencies = [
  "napi",
  "napi-build",
  "napi-derive",
- "rustc-hash",
+ "rustc-hash 2.1.1",
  "serde",
  "serde_json",
 ]
@@ -2403,7 +2426,7 @@ dependencies = [
  "oxc_semantic",
  "oxc_span",
  "oxc_syntax",
- "rustc-hash",
+ "rustc-hash 2.1.1",
 ]
 
 [[package]]
@@ -2445,7 +2468,7 @@ dependencies = [
  "oxc",
  "oxc_napi",
  "oxc_sourcemap",
- "rustc-hash",
+ "rustc-hash 2.1.1",
 ]
 
 [[package]]
@@ -2473,7 +2496,7 @@ dependencies = [
  "oxc_syntax",
  "oxc_traverse",
  "pico-args",
- "rustc-hash",
+ "rustc-hash 2.1.1",
  "serde",
  "serde_json",
  "sha1",
@@ -2502,7 +2525,7 @@ dependencies = [
  "oxc_transformer",
  "oxc_traverse",
  "pico-args",
- "rustc-hash",
+ "rustc-hash 2.1.1",
  "similar",
 ]
 
@@ -2519,7 +2542,7 @@ dependencies = [
  "oxc_semantic",
  "oxc_span",
  "oxc_syntax",
- "rustc-hash",
+ "rustc-hash 2.1.1",
 ]
 
 [[package]]
@@ -2561,7 +2584,7 @@ dependencies = [
  "oxc_linter",
  "oxc_span",
  "rayon",
- "rustc-hash",
+ "rustc-hash 2.1.1",
  "serde",
  "serde_json",
  "simdutf8",
@@ -2580,6 +2603,16 @@ dependencies = [
  "seize",
 ]
 
+[[package]]
+name = "parking_lot"
+version = "0.12.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "70d58bf43669b5795d1576d0641cfb6fbb2057bf629506267a92807158584a13"
+dependencies = [
+ "lock_api",
+ "parking_lot_core",
+]
+
 [[package]]
 name = "parking_lot_core"
 version = "0.9.11"
@@ -2892,7 +2925,7 @@ dependencies = [
  "oxc_parser",
  "oxc_span",
  "oxc_tasks_common",
- "rustc-hash",
+ "rustc-hash 2.1.1",
  "serde",
 ]
 
@@ -2911,6 +2944,12 @@ version = "0.1.26"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "56f7d92ca342cea22a06f2121d944b4fd82af56988c270852495420f961d4ace"
 
+[[package]]
+name = "rustc-hash"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
+
 [[package]]
 name = "rustc-hash"
 version = "2.1.1"
@@ -2927,7 +2966,7 @@ dependencies = [
  "errno",
  "libc",
  "linux-raw-sys",
- "windows-sys 0.52.0",
+ "windows-sys 0.61.0",
 ]
 
 [[package]]
@@ -3031,7 +3070,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5b55fb86dfd3a2f5f76ea78310a88f96c4ea21a3031f8d212443d56123fd0521"
 dependencies = [
  "libc",
- "windows-sys 0.52.0",
+ "windows-sys 0.61.0",
 ]
 
 [[package]]
@@ -3292,7 +3331,7 @@ dependencies = [
  "getrandom 0.3.3",
  "once_cell",
  "rustix",
- "windows-sys 0.52.0",
+ "windows-sys 0.61.0",
 ]
 
 [[package]]
@@ -3326,6 +3365,12 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "thousands"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3bf63baf9f5039dadc247375c29eb13706706cfde997d0330d05aa63a77d8820"
+
 [[package]]
 name = "thread_local"
 version = "1.1.9"
@@ -3800,7 +3845,7 @@ version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c2a7b1c03c876122aa43f3020e6c3c3ee5c05081c9a00739faf7503aeba10d22"
 dependencies = [
- "windows-sys 0.52.0",
+ "windows-sys 0.61.0",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index e5d93b8296151..e6c479cbee938 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -241,7 +241,8 @@ debug = false
 [profile.test]
 # Disabling debug info speeds up local and CI builds,
 # and we don't rely on it for debugging that much.
-debug = false
+debug = true
+strip = false # Keep
 
 [profile.dev.package]
 # Compile macros with some optimizations to make consuming crates build faster
@@ -258,11 +259,8 @@ opt-level = 'z'
 [profile.release]
 # Configurations explicitly listed here for clarity.
 # Using the best options for performance.
-opt-level = 3
-lto = "fat"
-codegen-units = 1
-strip = "symbols" # Set to `false` for debug information
-debug = false # Set to `true` for debug information
+debug = true
+strip = false # Keep
 panic = "abort" # Let it crash and force ourselves to write safe Rust
 
 # Profile used for release mode, but with debugging information for profiling
diff --git a/crates/oxc_language_server/Cargo.toml b/crates/oxc_language_server/Cargo.toml
index c478dabc92c7e..0d913d86bfa8b 100644
--- a/crates/oxc_language_server/Cargo.toml
+++ b/crates/oxc_language_server/Cargo.toml
@@ -18,8 +18,11 @@ workspace = true
 
 [[bin]]
 name = "oxc_language_server"
-test = true
+path = "src/lib.rs"
+test = false
 doctest = false
+debug = true
+strip = false # Keep debug information in binary
 
 [dependencies]
 oxc_allocator = { workspace = true }
@@ -30,6 +33,7 @@ oxc_linter = { workspace = true, features = ["language_server"] }
 oxc_parser = { workspace = true }
 
 #
+dhat = "0.3.3"
 env_logger = { workspace = true, features = ["humantime"] }
 futures = { workspace = true }
 ignore = { workspace = true, features = ["simd-accel"] }
diff --git a/crates/oxc_language_server/fixtures/linter/memory/.gitignore b/crates/oxc_language_server/fixtures/linter/memory/.gitignore
new file mode 100644
index 0000000000000..c2658d7d1b318
--- /dev/null
+++ b/crates/oxc_language_server/fixtures/linter/memory/.gitignore
@@ -0,0 +1 @@
+node_modules/
diff --git a/crates/oxc_language_server/fixtures/linter/memory/.oxlintrc.json b/crates/oxc_language_server/fixtures/linter/memory/.oxlintrc.json
new file mode 100644
index 0000000000000..3340f2e824309
--- /dev/null
+++ b/crates/oxc_language_server/fixtures/linter/memory/.oxlintrc.json
@@ -0,0 +1,3 @@
+{
+  "plugins": ["import"]
+}
diff --git a/crates/oxc_language_server/fixtures/linter/memory/file.ts b/crates/oxc_language_server/fixtures/linter/memory/file.ts
new file mode 100644
index 0000000000000..9424147cf0c63
--- /dev/null
+++ b/crates/oxc_language_server/fixtures/linter/memory/file.ts
@@ -0,0 +1,5 @@
+
+import { Canvas } from '@react-three/fiber';
+
+// @ts-ignore
+Canvas();
diff --git a/crates/oxc_language_server/fixtures/linter/memory/package-lock.json b/crates/oxc_language_server/fixtures/linter/memory/package-lock.json
new file mode 100644
index 0000000000000..70cfc22aa7f89
--- /dev/null
+++ b/crates/oxc_language_server/fixtures/linter/memory/package-lock.json
@@ -0,0 +1,288 @@
+{
+  "name": "memory",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "dependencies": {
+        "@react-three/fiber": "^9.2"
+      }
+    },
+    "node_modules/@babel/runtime": {
+      "version": "7.28.4",
+      "resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.28.4.tgz",
+      "integrity": "sha512-Q/N6JNWvIvPnLDvjlE1OUBLPQHH6l3CltCEsHIujp45zQUSSh8K+gHnaEX45yAT1nyngnINhvWtzN+Nb9D8RAQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=6.9.0"
+      }
+    },
+    "node_modules/@react-three/fiber": {
+      "version": "9.3.0",
+      "resolved": "https://registry.npmjs.org/@react-three/fiber/-/fiber-9.3.0.tgz",
+      "integrity": "sha512-myPe3YL/C8+Eq939/4qIVEPBW/uxV0iiUbmjfwrs9sGKYDG8ib8Dz3Okq7BQt8P+0k4igedONbjXMQy84aDFmQ==",
+      "license": "MIT",
+      "dependencies": {
+        "@babel/runtime": "^7.17.8",
+        "@types/react-reconciler": "^0.32.0",
+        "@types/webxr": "*",
+        "base64-js": "^1.5.1",
+        "buffer": "^6.0.3",
+        "its-fine": "^2.0.0",
+        "react-reconciler": "^0.31.0",
+        "react-use-measure": "^2.1.7",
+        "scheduler": "^0.25.0",
+        "suspend-react": "^0.1.3",
+        "use-sync-external-store": "^1.4.0",
+        "zustand": "^5.0.3"
+      },
+      "peerDependencies": {
+        "expo": ">=43.0",
+        "expo-asset": ">=8.4",
+        "expo-file-system": ">=11.0",
+        "expo-gl": ">=11.0",
+        "react": "^19.0.0",
+        "react-dom": "^19.0.0",
+        "react-native": ">=0.78",
+        "three": ">=0.156"
+      },
+      "peerDependenciesMeta": {
+        "expo": {
+          "optional": true
+        },
+        "expo-asset": {
+          "optional": true
+        },
+        "expo-file-system": {
+          "optional": true
+        },
+        "expo-gl": {
+          "optional": true
+        },
+        "react-dom": {
+          "optional": true
+        },
+        "react-native": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@types/react": {
+      "version": "19.1.16",
+      "resolved": "https://registry.npmjs.org/@types/react/-/react-19.1.16.tgz",
+      "integrity": "sha512-WBM/nDbEZmDUORKnh5i1bTnAz6vTohUf9b8esSMu+b24+srbaxa04UbJgWx78CVfNXA20sNu0odEIluZDFdCog==",
+      "license": "MIT",
+      "peer": true,
+      "dependencies": {
+        "csstype": "^3.0.2"
+      }
+    },
+    "node_modules/@types/react-reconciler": {
+      "version": "0.32.1",
+      "resolved": "https://registry.npmjs.org/@types/react-reconciler/-/react-reconciler-0.32.1.tgz",
+      "integrity": "sha512-RsqPttsBQ+6af0nATFXJJpemYQH7kL9+xLNm1z+0MjQFDKBZDM2R6SBrjdvRmHu9i9fM6povACj57Ft+pKRNOA==",
+      "license": "MIT",
+      "peerDependencies": {
+        "@types/react": "*"
+      }
+    },
+    "node_modules/@types/webxr": {
+      "version": "0.5.24",
+      "resolved": "https://registry.npmjs.org/@types/webxr/-/webxr-0.5.24.tgz",
+      "integrity": "sha512-h8fgEd/DpoS9CBrjEQXR+dIDraopAEfu4wYVNY2tEPwk60stPWhvZMf4Foo5FakuQ7HFZoa8WceaWFervK2Ovg==",
+      "license": "MIT"
+    },
+    "node_modules/base64-js": {
+      "version": "1.5.1",
+      "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.5.1.tgz",
+      "integrity": "sha512-AKpaYlHn8t4SVbOHCy+b5+KKgvR4vrsD8vbvrbiQJps7fKDTkjkDry6ji0rUJjC0kzbNePLwzxq8iypo41qeWA==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ],
+      "license": "MIT"
+    },
+    "node_modules/buffer": {
+      "version": "6.0.3",
+      "resolved": "https://registry.npmjs.org/buffer/-/buffer-6.0.3.tgz",
+      "integrity": "sha512-FTiCpNxtwiZZHEZbcbTIcZjERVICn9yq/pDFkTl95/AxzD1naBctN7YO68riM/gLSDY7sdrMby8hofADYuuqOA==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ],
+      "license": "MIT",
+      "dependencies": {
+        "base64-js": "^1.3.1",
+        "ieee754": "^1.2.1"
+      }
+    },
+    "node_modules/csstype": {
+      "version": "3.1.3",
+      "resolved": "https://registry.npmjs.org/csstype/-/csstype-3.1.3.tgz",
+      "integrity": "sha512-M1uQkMl8rQK/szD0LNhtqxIPLpimGm8sOBwU7lLnCpSbTyY3yeU1Vc7l4KT5zT4s/yOxHH5O7tIuuLOCnLADRw==",
+      "license": "MIT",
+      "peer": true
+    },
+    "node_modules/ieee754": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/ieee754/-/ieee754-1.2.1.tgz",
+      "integrity": "sha512-dcyqhDvX1C46lXZcVqCpK+FtMRQVdIMN6/Df5js2zouUsqG7I6sFxitIC+7KYK29KdXOLHdu9zL4sFnoVQnqaA==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ],
+      "license": "BSD-3-Clause"
+    },
+    "node_modules/its-fine": {
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+      "dependencies": {
+        "@types/react-reconciler": "^0.28.9"
+      },
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+        "react": "^19.0.0"
+      }
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+      "dependencies": {
+        "scheduler": "^0.25.0"
+      },
+      "engines": {
+        "node": ">=0.10.0"
+      },
+      "peerDependencies": {
+        "react": "^19.0.0"
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+      "resolved": "https://registry.npmjs.org/react-use-measure/-/react-use-measure-2.1.7.tgz",
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+        "react": ">=16.13",
+        "react-dom": ">=16.13"
+      },
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+        "react-dom": {
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+        }
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+      "resolved": "https://registry.npmjs.org/scheduler/-/scheduler-0.25.0.tgz",
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+    },
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+      "peerDependencies": {
+        "react": ">=17.0"
+      }
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+      "license": "MIT",
+      "peer": true
+    },
+    "node_modules/use-sync-external-store": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/use-sync-external-store/-/use-sync-external-store-1.5.0.tgz",
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+      "license": "MIT",
+      "peerDependencies": {
+        "react": "^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0"
+      }
+    },
+    "node_modules/zustand": {
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+      "resolved": "https://registry.npmjs.org/zustand/-/zustand-5.0.8.tgz",
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+      "license": "MIT",
+      "engines": {
+        "node": ">=12.20.0"
+      },
+      "peerDependencies": {
+        "@types/react": ">=18.0.0",
+        "immer": ">=9.0.6",
+        "react": ">=18.0.0",
+        "use-sync-external-store": ">=1.2.0"
+      },
+      "peerDependenciesMeta": {
+        "@types/react": {
+          "optional": true
+        },
+        "immer": {
+          "optional": true
+        },
+        "react": {
+          "optional": true
+        },
+        "use-sync-external-store": {
+          "optional": true
+        }
+      }
+    }
+  }
+}
diff --git a/crates/oxc_language_server/fixtures/linter/memory/package.json b/crates/oxc_language_server/fixtures/linter/memory/package.json
new file mode 100644
index 0000000000000..8188eb402478d
--- /dev/null
+++ b/crates/oxc_language_server/fixtures/linter/memory/package.json
@@ -0,0 +1,6 @@
+
+{
+  "dependencies": {
+    "@react-three/fiber": "^9.2"
+  }
+}
diff --git a/crates/oxc_language_server/src/lib.rs b/crates/oxc_language_server/src/lib.rs
new file mode 100644
index 0000000000000..1af015ece8458
--- /dev/null
+++ b/crates/oxc_language_server/src/lib.rs
@@ -0,0 +1,57 @@
+use rustc_hash::FxBuildHasher;
+use tower_lsp_server::{
+    LanguageServer, LspService, Server, UriExt,
+    lsp_types::{
+        ClientCapabilities, DocumentFormattingClientCapabilities, InitializeParams,
+        InitializedParams, TextDocumentClientCapabilities, Uri,
+    },
+};
+
+mod backend;
+mod capabilities;
+mod code_actions;
+mod commands;
+mod file_system;
+mod formatter;
+mod linter;
+mod options;
+#[cfg(test)]
+mod tester;
+mod worker;
+
+use crate::{
+    backend::Backend,
+    linter::{
+        options::LintOptions,
+        server_linter::{ServerLinter, ServerLinterRun},
+    },
+};
+
+type ConcurrentHashMap<K, V> = papaya::HashMap<K, V, FxBuildHasher>;
+
+const OXC_CONFIG_FILE: &str = ".oxlintrc.json";
+
+// max range for LSP integer is 2^31 - 1
+// https://microsoft.github.io/language-server-protocol/specifications/lsp/3.17/specification/#baseTypes
+const LSP_MAX_INT: u32 = 2u32.pow(31) - 1;
+
+#[global_allocator]
+static ALLOC: dhat::Alloc = dhat::Alloc;
+
+#[tokio::main]
+async fn main() {
+    let _profiler = dhat::Profiler::new_heap();
+
+    let cwd = std::env::current_dir().expect("Failed to get current working directory");
+    let fixture_path = cwd.join("crates/oxc_language_server/fixtures/linter/memory");
+    let fake_file_path = fixture_path.join("file.ts");
+    let uri = Uri::from_file_path(fake_file_path).unwrap();
+
+    let server =
+        ServerLinter::new(&Uri::from_file_path(fixture_path).unwrap(), &LintOptions::default());
+
+    for _i in 0..100 {
+        let _ = server.run_single(&uri, None, ServerLinterRun::OnType).await;
+        server.remove_diagnostics(&uri);
+    }
+}