diff --git a/.husky/commit-msg b/.husky/commit-msg
old mode 100644
new mode 100755
diff --git a/.husky/pre-commit b/.husky/pre-commit
index 618c2bf..30c869e 100755
--- a/.husky/pre-commit
+++ b/.husky/pre-commit
@@ -1,4 +1,5 @@
 #!/usr/bin/env sh
 . "$(dirname -- "$0")/_/husky.sh"
 
+npm run lint:fix
 
diff --git a/package-lock.json b/package-lock.json
index 933d0e1..2d7f15a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1426,7 +1426,7 @@
       "version": "22.8.1",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-22.8.1.tgz",
       "integrity": "sha512-k6Gi8Yyo8EtrNtkHXutUu2corfDf9su95VYVP10aGYMMROM6SAItZi0w1XszA6RtWTHSVp5OeFof37w0IEqCQg==",
-      "devOptional": true,
+      "dev": true,
       "license": "MIT",
       "dependencies": {
         "undici-types": "~6.19.8"
@@ -6531,7 +6531,7 @@
       "version": "6.19.8",
       "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-6.19.8.tgz",
       "integrity": "sha512-ve2KP6f/JnbPBFyobGHuerC9g1FYGn/F8n1LWTwNxCEzd6IfqTwUQcNXgEtmmQ6DlRrC1hrSrBnCZPokRrDHjw==",
-      "devOptional": true,
+      "dev": true,
       "license": "MIT"
     },
     "node_modules/unicorn-magic": {
diff --git a/package.json b/package.json
index eef7912..a725634 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
     "start": "ts-node src/launch.ts",
     "lint": "ts-standard src/**/*.ts",
     "lint:fix": "ts-standard --fix src/**/*.ts",
-    "prebuild": "npm run clean && ts-standard --fix src/**/*.ts",
+    "prebuild": "npm run clean && ts-standard --fix src/**/*.ts tests/**/*.ts",
     "prepare": "npm run build && husky install",
     "test": "vitest run"
   },
diff --git a/tests/lib/mediaQuery.test.ts b/tests/lib/mediaQuery.test.ts
index a34dd9c..7dab108 100644
--- a/tests/lib/mediaQuery.test.ts
+++ b/tests/lib/mediaQuery.test.ts
@@ -1,8 +1,8 @@
-import { describe, it, expect } from "vitest";
+import { describe, it, expect } from 'vitest'
 import {
   findIndexOfMediaQueries,
-  getMediaQueries,
-} from "../../src/lib/mediaQuery";
+  getMediaQueries
+} from '../../src/lib/mediaQuery'
 const simpleCssWithMediaQuery = `
 /* On screens that are 992px or less, set the background color to blue */
 @media screen and (max-width: 992px) {
@@ -17,7 +17,7 @@ const simpleCssWithMediaQuery = `
     background-color: olive;
   }
 }
-`;
+`
 const complexCssWithMediaQuery = `
 
 /* Small screens (phones) */
@@ -89,27 +89,27 @@ const complexCssWithMediaQuery = `
   section {
     flex-direction: column;
   }
-}`;
-
-describe("findIndexOfMediaQueries", () => {
-  it("return position of media query if present", () => {
-    expect(findIndexOfMediaQueries(simpleCssWithMediaQuery)).toEqual([75, 233]);
-  });
-
-  it("return empty array if no media query", () => {
-    expect(findIndexOfMediaQueries("")).toEqual([]);
-  });
-});
-
-describe("getMediaQueries", () => {
-  it("return media queries", () => {
-    const rules = getMediaQueries(simpleCssWithMediaQuery);
-    expect(rules.length).toEqual(2);
-  });
-
-  it("return media queries with complex css", () => {
-    const rules = getMediaQueries(complexCssWithMediaQuery);
-
-    expect(rules.length).toEqual(6);
-  });
-});
+}`
+
+describe('findIndexOfMediaQueries', () => {
+  it('return position of media query if present', () => {
+    expect(findIndexOfMediaQueries(simpleCssWithMediaQuery)).toEqual([75, 233])
+  })
+
+  it('return empty array if no media query', () => {
+    expect(findIndexOfMediaQueries('')).toEqual([])
+  })
+})
+
+describe('getMediaQueries', () => {
+  it('return media queries', () => {
+    const rules = getMediaQueries(simpleCssWithMediaQuery)
+    expect(rules.length).toEqual(2)
+  })
+
+  it('return media queries with complex css', () => {
+    const rules = getMediaQueries(complexCssWithMediaQuery)
+
+    expect(rules.length).toEqual(6)
+  })
+})
diff --git a/tests/lib/removeComments.test.ts b/tests/lib/removeComments.test.ts
index 8cd08fc..a3ef73e 100644
--- a/tests/lib/removeComments.test.ts
+++ b/tests/lib/removeComments.test.ts
@@ -1,14 +1,14 @@
-import { describe, it, expect } from "vitest";
-import { removeComments } from "../../src/lib/removeComments";
+import { describe, it, expect } from 'vitest'
+import { removeComments } from '../../src/lib/removeComments'
 
-describe("removeComments", () => {
-  it("should remove single-line comments", () => {
-    expect(removeComments("color: black; // background-color: white")).toBe(
-      "color: black;"
-    );
-  });
+describe('removeComments', () => {
+  it('should remove single-line comments', () => {
+    expect(removeComments('color: black; // background-color: white')).toBe(
+      'color: black;'
+    )
+  })
 
-  it("should remove comments and duplicate characters", () => {
+  it('should remove comments and duplicate characters', () => {
     const input = `
             /*
                 Multi-line Comment
@@ -27,7 +27,7 @@ describe("removeComments", () => {
 
             // this is the closing comment
 
-        `;
+        `
     const expected = `
             body {
                 color: black;
@@ -36,9 +36,9 @@ describe("removeComments", () => {
             div {
                 border: 1px solid black;
             }
-        `;
-    const result = removeComments(input);
-    
+        `
+    const result = removeComments(input)
+
     expect(result.replace(/[\s\t]*/g, '')).toEqual(expected.replace(/[\s\t]*/g, ''))
   })
 })
diff --git a/tests/lib/removeDuplicates.test.ts b/tests/lib/removeDuplicates.test.ts
index ffa4883..14df78b 100644
--- a/tests/lib/removeDuplicates.test.ts
+++ b/tests/lib/removeDuplicates.test.ts
@@ -1,28 +1,28 @@
-import { describe, it, expect } from "vitest";
-import { removeDuplicates } from "../../src/lib/removeDuplicates";
+import { describe, it, expect } from 'vitest'
+import { removeDuplicates } from '../../src/lib/removeDuplicates'
 
-describe("removeDuplicates", () => {
-  it("should remove duplicate semicolons", () => {
-    expect(removeDuplicates("color: black;;", [";"])).toBe("color: black;");
-  });
+describe('removeDuplicates', () => {
+  it('should remove duplicate semicolons', () => {
+    expect(removeDuplicates('color: black;;', [';'])).toBe('color: black;')
+  })
 
-  it("should remove duplicate periods", () => {
-    expect(removeDuplicates("..className", ["."])).toBe(".className");
-  });
+  it('should remove duplicate periods', () => {
+    expect(removeDuplicates('..className', ['.'])).toBe('.className')
+  })
 
-  it("should remove duplicate comma", () => {
-    expect(removeDuplicates(".className,, .bar", [","])).toBe(
-      ".className, .bar"
-    );
-  });
+  it('should remove duplicate comma', () => {
+    expect(removeDuplicates('.className,, .bar', [','])).toBe(
+      '.className, .bar'
+    )
+  })
 
-  it("should remove duplicate spaces", () => {
-    expect(removeDuplicates("color:  black", [" "])).toBe("color: black");
-  });
+  it('should remove duplicate spaces', () => {
+    expect(removeDuplicates('color:  black', [' '])).toBe('color: black')
+  })
 
-  it("should remove multiple duplicate characters", () => {
-    expect(removeDuplicates("color:  black;; 1..0", [";", ".", " "])).toBe(
-      "color: black; 1.0"
-    );
-  });
-});
+  it('should remove multiple duplicate characters', () => {
+    expect(removeDuplicates('color:  black;; 1..0', [';', '.', ' '])).toBe(
+      'color: black; 1.0'
+    )
+  })
+})
diff --git a/tests/lib/tokenize.test.ts b/tests/lib/tokenize.test.ts
index a40caed..fc8e3ba 100644
--- a/tests/lib/tokenize.test.ts
+++ b/tests/lib/tokenize.test.ts
@@ -1,8 +1,8 @@
-import { describe, test, expect } from "vitest";
-import { tokenize } from "../../src/lib/tokenize";
+import { describe, test, expect } from 'vitest'
+import { tokenize } from '../../src/lib/tokenize'
 
-describe("tokenize", () => {
-  test("tokenize", () => {
+describe('tokenize', () => {
+  test('tokenize', () => {
     const css = `
         a {  color: purple;}
         div { border: none; }
@@ -10,8 +10,8 @@ describe("tokenize", () => {
         .mickey { color: purple;}
         .don { color: purple; background: red; }
         .goofy { background: red; }
-        .goofy { color: purple; }`;
-    const res = tokenize(css);
-    expect(res).toBeDefined();
-  });
-});
+        .goofy { color: purple; }`
+    const res = tokenize(css)
+    expect(res).toBeDefined()
+  })
+})