chore: migrate to vitest for 10x faster tests (#257)

* chore migrate to vitest

* chore: cleanup jest stuff

* chore: install the coverage dep

package.json

@@ -8,7 +8,8 @@
     "start": "next start",
     "lint": "next lint",
     "format": "prettier --write .",
-    "test": "jest"
+    "test": "vitest",
+    "coverage": "vitest run --coverage"
   },
   "dependencies": {
     "@dqbd/tiktoken": "^1.0.2",
@@ -30,26 +31,20 @@
   },
   "devDependencies": {
     "@tailwindcss/typography": "^0.5.9",
-    "@testing-library/jest-dom": "^5.16.5",
-    "@testing-library/react": "^14.0.0",
-    "@types/jest": "^29.5.0",
     "@types/node": "18.15.0",
     "@types/react": "18.0.28",
     "@types/react-dom": "18.0.11",
     "@types/react-syntax-highlighter": "^15.5.6",
     "@types/uuid": "^9.0.1",
+    "@vitest/coverage-c8": "^0.29.7",
     "autoprefixer": "^10.4.14",
     "eslint": "8.36.0",
     "eslint-config-next": "13.2.4",
-    "jest": "^29.5.0",
-    "jest-environment-jsdom": "^29.5.0",
-    "jest-junit": "^15.0.0",
     "postcss": "^8.4.21",
     "prettier": "^2.8.7",
     "prettier-plugin-tailwindcss": "^0.2.5",
     "tailwindcss": "^3.2.7",
-    "ts-jest": "^29.0.5",
-    "ts-node": "^10.9.1",
-    "typescript": "4.9.5"
+    "typescript": "4.9.5",
+    "vitest": "^0.29.7"
   }
 }