fix: added clean step to build process

package.json

@@ -5,11 +5,12 @@
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
   "scripts": {
+    "clean": "rimraf dist",
     "lint": "eslint --ignore-path .eslintignore --ext .js,.ts .",
     "lint-fix": "eslint --fix --ignore-path .eslintignore --ext .js,.ts . --max-warnings=0",
     "format-staged": "pretty-quick --staged",
     "format": "pretty-quick",
-    "build": "npm run tests && npm run format && tsc",
+    "build": "npm run lint-fix && npm run tests && npm run format && npm run clean && tsc",
     "tests": "mocha -R progress -r ts-node/register ./tests/**/*.spec.ts",
     "test": "mocha -r ts-node/register",
     "test-coverage": "nyc npm run tests",