diff --git a/package-lock.json b/package-lock.json
index 4dc2aae4..a39fe5ee 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -24,9 +24,9 @@
         "@types/jest": "^28.1.6",
         "@types/lodash": "^4.14.202",
         "@types/node": "^20.11.20",
-        "@typescript-eslint/parser": "^7.1.0",
+        "@typescript-eslint/eslint-plugin": "^7.1.0",
+        "@typescript-eslint/parser": "^7.0.2",
         "eslint": "^8.57.0",
-        "eslint-plugin-typescript": "^0.14.0",
         "jest": "^28.1.3",
         "minimatch": ">=9.0.3",
         "nodemon": "^3.1.0",
@@ -1495,6 +1495,12 @@
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       "dev": true
     },
+    "node_modules/@types/semver": {
+      "version": "7.5.8",
+      "resolved": "https://registry.npmjs.org/@types/semver/-/semver-7.5.8.tgz",
+      "integrity": "sha512-I8EUhyrgfLrcTkzV3TSsGyl1tSuPrEDzr0yd5m90UgNxQkyDXULk3b6MlQqTCpZpNtWe1K0hzclnZkTcLBe2UQ==",
+      "dev": true
+    },
     "node_modules/@types/stack-utils": {
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/@types/stack-utils/-/stack-utils-2.0.3.tgz",
@@ -1516,6 +1522,74 @@
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       "dev": true
     },
+    "node_modules/@typescript-eslint/eslint-plugin": {
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/eslint-plugin/-/eslint-plugin-7.1.0.tgz",
+      "integrity": "sha512-j6vT/kCulhG5wBmGtstKeiVr1rdXE4nk+DT1k6trYkwlrvW9eOF5ZbgKnd/YR6PcM4uTEXa0h6Fcvf6X7Dxl0w==",
+      "dev": true,
+      "dependencies": {
+        "@eslint-community/regexpp": "^4.5.1",
+        "@typescript-eslint/scope-manager": "7.1.0",
+        "@typescript-eslint/type-utils": "7.1.0",
+        "@typescript-eslint/utils": "7.1.0",
+        "@typescript-eslint/visitor-keys": "7.1.0",
+        "debug": "^4.3.4",
+        "graphemer": "^1.4.0",
+        "ignore": "^5.2.4",
+        "natural-compare": "^1.4.0",
+        "semver": "^7.5.4",
+        "ts-api-utils": "^1.0.1"
+      },
+      "engines": {
+        "node": "^16.0.0 || >=18.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      },
+      "peerDependencies": {
+        "@typescript-eslint/parser": "^7.0.0",
+        "eslint": "^8.56.0"
+      },
+      "peerDependenciesMeta": {
+        "typescript": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/@typescript-eslint/eslint-plugin/node_modules/lru-cache": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-6.0.0.tgz",
+      "integrity": "sha512-Jo6dJ04CmSjuznwJSS3pUeWmd/H0ffTlkXXgwZi+eq1UCmqQwCh+eLsYOYCwY991i2Fah4h1BEMCx4qThGbsiA==",
+      "dev": true,
+      "dependencies": {
+        "yallist": "^4.0.0"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
+    "node_modules/@typescript-eslint/eslint-plugin/node_modules/semver": {
+      "version": "7.6.0",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-7.6.0.tgz",
+      "integrity": "sha512-EnwXhrlwXMk9gKu5/flx5sv/an57AkRplG3hTK68W7FRDN+k+OWBj65M7719OkA82XLBxrcX0KSHj+X5COhOVg==",
+      "dev": true,
+      "dependencies": {
+        "lru-cache": "^6.0.0"
+      },
+      "bin": {
+        "semver": "bin/semver.js"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
+    "node_modules/@typescript-eslint/eslint-plugin/node_modules/yallist": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
+      "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A==",
+      "dev": true
+    },
     "node_modules/@typescript-eslint/parser": {
       "version": "7.1.0",
       "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-7.1.0.tgz",
@@ -1561,6 +1635,33 @@
         "url": "https://opencollective.com/typescript-eslint"
       }
     },
+    "node_modules/@typescript-eslint/type-utils": {
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/type-utils/-/type-utils-7.1.0.tgz",
+      "integrity": "sha512-UZIhv8G+5b5skkcuhgvxYWHjk7FW7/JP5lPASMEUoliAPwIH/rxoUSQPia2cuOj9AmDZmwUl1usKm85t5VUMew==",
+      "dev": true,
+      "dependencies": {
+        "@typescript-eslint/typescript-estree": "7.1.0",
+        "@typescript-eslint/utils": "7.1.0",
+        "debug": "^4.3.4",
+        "ts-api-utils": "^1.0.1"
+      },
+      "engines": {
+        "node": "^16.0.0 || >=18.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      },
+      "peerDependencies": {
+        "eslint": "^8.56.0"
+      },
+      "peerDependenciesMeta": {
+        "typescript": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/@typescript-eslint/types": {
       "version": "7.1.0",
       "resolved": "https://registry.npmjs.org/@typescript-eslint/types/-/types-7.1.0.tgz",
@@ -1635,6 +1736,64 @@
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       "dev": true
     },
+    "node_modules/@typescript-eslint/utils": {
+      "version": "7.1.0",
+      "resolved": "https://registry.npmjs.org/@typescript-eslint/utils/-/utils-7.1.0.tgz",
+      "integrity": "sha512-WUFba6PZC5OCGEmbweGpnNJytJiLG7ZvDBJJoUcX4qZYf1mGZ97mO2Mps6O2efxJcJdRNpqweCistDbZMwIVHw==",
+      "dev": true,
+      "dependencies": {
+        "@eslint-community/eslint-utils": "^4.4.0",
+        "@types/json-schema": "^7.0.12",
+        "@types/semver": "^7.5.0",
+        "@typescript-eslint/scope-manager": "7.1.0",
+        "@typescript-eslint/types": "7.1.0",
+        "@typescript-eslint/typescript-estree": "7.1.0",
+        "semver": "^7.5.4"
+      },
+      "engines": {
+        "node": "^16.0.0 || >=18.0.0"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/typescript-eslint"
+      },
+      "peerDependencies": {
+        "eslint": "^8.56.0"
+      }
+    },
+    "node_modules/@typescript-eslint/utils/node_modules/lru-cache": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-6.0.0.tgz",
+      "integrity": "sha512-Jo6dJ04CmSjuznwJSS3pUeWmd/H0ffTlkXXgwZi+eq1UCmqQwCh+eLsYOYCwY991i2Fah4h1BEMCx4qThGbsiA==",
+      "dev": true,
+      "dependencies": {
+        "yallist": "^4.0.0"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
+    "node_modules/@typescript-eslint/utils/node_modules/semver": {
+      "version": "7.6.0",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-7.6.0.tgz",
+      "integrity": "sha512-EnwXhrlwXMk9gKu5/flx5sv/an57AkRplG3hTK68W7FRDN+k+OWBj65M7719OkA82XLBxrcX0KSHj+X5COhOVg==",
+      "dev": true,
+      "dependencies": {
+        "lru-cache": "^6.0.0"
+      },
+      "bin": {
+        "semver": "bin/semver.js"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
+    "node_modules/@typescript-eslint/utils/node_modules/yallist": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
+      "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A==",
+      "dev": true
+    },
     "node_modules/@typescript-eslint/visitor-keys": {
       "version": "7.1.0",
       "resolved": "https://registry.npmjs.org/@typescript-eslint/visitor-keys/-/visitor-keys-7.1.0.tgz",
@@ -2659,19 +2818,6 @@
         "url": "https://opencollective.com/eslint"
       }
     },
-    "node_modules/eslint-plugin-typescript": {
-      "version": "0.14.0",
-      "resolved": "https://registry.npmjs.org/eslint-plugin-typescript/-/eslint-plugin-typescript-0.14.0.tgz",
-      "integrity": "sha512-2u1WnnDF2mkWWgU1lFQ2RjypUlmRoBEvQN02y9u+IL12mjWlkKFGEBnVsjs9Y8190bfPQCvWly1c2rYYUSOxWw==",
-      "deprecated": "Deprecated: Use @typescript-eslint/eslint-plugin instead",
-      "dev": true,
-      "dependencies": {
-        "requireindex": "~1.1.0"
-      },
-      "engines": {
-        "node": ">=6"
-      }
-    },
     "node_modules/eslint-scope": {
       "version": "5.1.1",
       "resolved": "https://registry.npmjs.org/eslint-scope/-/eslint-scope-5.1.1.tgz",
@@ -5051,15 +5197,6 @@
         "node": ">=0.10.0"
       }
     },
-    "node_modules/requireindex": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/requireindex/-/requireindex-1.1.0.tgz",
-      "integrity": "sha512-LBnkqsDE7BZKvqylbmn7lTIVdpx4K/QCduRATpO5R+wtPmky/a8pN1bO2D6wXppn1497AJF9mNjqAXr6bdl9jg==",
-      "dev": true,
-      "engines": {
-        "node": ">=0.10.5"
-      }
-    },
     "node_modules/resolve": {
       "version": "1.22.8",
       "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.22.8.tgz",
diff --git a/package.json b/package.json
index d2c9afb9..577203b1 100644
--- a/package.json
+++ b/package.json
@@ -4,10 +4,9 @@
     "@types/jest": "^28.1.6",
     "@types/lodash": "^4.14.202",
     "@types/node": "^20.11.20",
-    "@typescript-eslint/parser": "^7.1.0",
     "@typescript-eslint/parser": "^7.0.2",
+    "@typescript-eslint/eslint-plugin": "^7.1.0",
     "eslint": "^8.57.0",
-    "eslint-plugin-typescript": "^0.14.0",
     "jest": "^28.1.3",
     "minimatch": ">=9.0.3",
     "nodemon": "^3.1.0",
diff --git a/src/chromeos_ime.ts b/src/chromeos_ime.ts
index c98153fe..799a9c66 100644
--- a/src/chromeos_ime.ts
+++ b/src/chromeos_ime.ts
@@ -491,12 +491,7 @@ chrome.input.ime.onKeyEvent.addListener((engineID, keyData) => {
     chromeMcBopomofo.isShiftHold = keyData.key === "Shift";
   }
 
-  if (
-    keyData.altKey ||
-    keyData.ctrlKey ||
-    keyData.altgrKey ||
-    keyData.capsLock
-  ) {
+  if (keyData.altKey || keyData.altgrKey || keyData.capsLock) {
     return false;
   }