diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
new file mode 100644
index 0000000..6cfb678
--- /dev/null
+++ b/.github/workflows/build.yml
@@ -0,0 +1,27 @@
+name: Build
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Build
+        run: npm run build
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
new file mode 100644
index 0000000..0895156
--- /dev/null
+++ b/.github/workflows/test.yml
@@ -0,0 +1,27 @@
+name: Test
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Test
+        run: npm run test:ci
diff --git a/.gitignore b/.gitignore
index 45df8b7..ef8291e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /node_modules
 /dist
-/app
\ No newline at end of file
+/app
+/coverage
\ No newline at end of file
diff --git a/.prettierrc b/.prettierrc
index 4d23e4c..a563846 100644
--- a/.prettierrc
+++ b/.prettierrc
@@ -3,5 +3,6 @@
   "useTabs": false,
   "trailingComma": "all",
   "bracketSpacing": true,
-  "singleQuote": true
+  "singleQuote": true,
+  "semi": true
 }
diff --git a/package-lock.json b/package-lock.json
index 58d196f..bb9f977 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14,11 +14,75 @@
         "typescript": "^5.4.4"
       },
       "devDependencies": {
+        "@vitest/coverage-v8": "^1.4.0",
         "prettier": "^3.2.5",
         "tsup": "^8.0.2",
         "vitest": "^1.4.0"
       }
     },
+    "node_modules/@ampproject/remapping": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/@ampproject/remapping/-/remapping-2.3.0.tgz",
+      "integrity": "sha512-30iZtAPgz+LTIYoeivqYo853f02jBYSd5uGnGpkFV0M3xOt9aN73erkgYAmZU43x4VfqcnLxW9Kpg3R5LC4YYw==",
+      "dev": true,
+      "dependencies": {
+        "@jridgewell/gen-mapping": "^0.3.5",
+        "@jridgewell/trace-mapping": "^0.3.24"
+      },
+      "engines": {
+        "node": ">=6.0.0"
+      }
+    },
+    "node_modules/@babel/helper-string-parser": {
+      "version": "7.24.1",
+      "resolved": "https://registry.npmjs.org/@babel/helper-string-parser/-/helper-string-parser-7.24.1.tgz",
+      "integrity": "sha512-2ofRCjnnA9y+wk8b9IAREroeUP02KHp431N2mhKniy2yKIDKpbrHv9eXwm8cBeWQYcJmzv5qKCu65P47eCF7CQ==",
+      "dev": true,
+      "engines": {
+        "node": ">=6.9.0"
+      }
+    },
+    "node_modules/@babel/helper-validator-identifier": {
+      "version": "7.22.20",
+      "resolved": "https://registry.npmjs.org/@babel/helper-validator-identifier/-/helper-validator-identifier-7.22.20.tgz",
+      "integrity": "sha512-Y4OZ+ytlatR8AI+8KZfKuL5urKp7qey08ha31L8b3BwewJAoJamTzyvxPR/5D+KkdJCGPq/+8TukHBlY10FX9A==",
+      "dev": true,
+      "engines": {
+        "node": ">=6.9.0"
+      }
+    },
+    "node_modules/@babel/parser": {
+      "version": "7.24.4",
+      "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.24.4.tgz",
+      "integrity": "sha512-zTvEBcghmeBma9QIGunWevvBAp4/Qu9Bdq+2k0Ot4fVMD6v3dsC9WOcRSKk7tRRyBM/53yKMJko9xOatGQAwSg==",
+      "dev": true,
+      "bin": {
+        "parser": "bin/babel-parser.js"
+      },
+      "engines": {
+        "node": ">=6.0.0"
+      }
+    },
+    "node_modules/@babel/types": {
+      "version": "7.24.0",
+      "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.24.0.tgz",
+      "integrity": "sha512-+j7a5c253RfKh8iABBhywc8NSfP5LURe7Uh4qpsh6jc+aLJguvmIUBdjSdEMQv2bENrCR5MfRdjGo7vzS/ob7w==",
+      "dev": true,
+      "dependencies": {
+        "@babel/helper-string-parser": "^7.23.4",
+        "@babel/helper-validator-identifier": "^7.22.20",
+        "to-fast-properties": "^2.0.0"
+      },
+      "engines": {
+        "node": ">=6.9.0"
+      }
+    },
+    "node_modules/@bcoe/v8-coverage": {
+      "version": "0.2.3",
+      "resolved": "https://registry.npmjs.org/@bcoe/v8-coverage/-/v8-coverage-0.2.3.tgz",
+      "integrity": "sha512-0hYQ8SB4Db5zvZB4axdMHGwEaQjkZzFjQiN9LVYvIFB2nSUHW9tYpxWriPrWDASIxiaXax83REcLxuSdnGPZtw==",
+      "dev": true
+    },
     "node_modules/@esbuild/aix-ppc64": {
       "version": "0.20.2",
       "resolved": "https://registry.npmjs.org/@esbuild/aix-ppc64/-/aix-ppc64-0.20.2.tgz",
@@ -404,6 +468,15 @@
         "node": ">=12"
       }
     },
+    "node_modules/@istanbuljs/schema": {
+      "version": "0.1.3",
+      "resolved": "https://registry.npmjs.org/@istanbuljs/schema/-/schema-0.1.3.tgz",
+      "integrity": "sha512-ZXRY4jNvVgSVQ8DL3LTcakaAtXwTVUxE81hslsyD2AtoXW/wVob10HkOJ1X/pAlcI7D+2YoZKg5do8G/w6RYgA==",
+      "dev": true,
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/@jest/schemas": {
       "version": "29.6.3",
       "resolved": "https://registry.npmjs.org/@jest/schemas/-/schemas-29.6.3.tgz",
@@ -729,6 +802,12 @@
       "integrity": "sha512-/kYRxGDLWzHOB7q+wtSUQlFrtcdUccpfy+X+9iMBpHK8QLLhx2wIPYuS5DYtR9Wa/YlZAbIovy7qVdB1Aq6Lyw==",
       "dev": true
     },
+    "node_modules/@types/istanbul-lib-coverage": {
+      "version": "2.0.6",
+      "resolved": "https://registry.npmjs.org/@types/istanbul-lib-coverage/-/istanbul-lib-coverage-2.0.6.tgz",
+      "integrity": "sha512-2QF/t/auWm0lsy8XtKVPG19v3sSOQlJe/YHZgfjb/KBBHOGSV+J2q/S671rcq9uTBrLAXmZpqJiaQbMT+zNU1w==",
+      "dev": true
+    },
     "node_modules/@types/node": {
       "version": "20.12.4",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-20.12.4.tgz",
@@ -740,6 +819,34 @@
         "undici-types": "~5.26.4"
       }
     },
+    "node_modules/@vitest/coverage-v8": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/@vitest/coverage-v8/-/coverage-v8-1.4.0.tgz",
+      "integrity": "sha512-4hDGyH1SvKpgZnIByr9LhGgCEuF9DKM34IBLCC/fVfy24Z3+PZ+Ii9hsVBsHvY1umM1aGPEjceRkzxCfcQ10wg==",
+      "dev": true,
+      "dependencies": {
+        "@ampproject/remapping": "^2.2.1",
+        "@bcoe/v8-coverage": "^0.2.3",
+        "debug": "^4.3.4",
+        "istanbul-lib-coverage": "^3.2.2",
+        "istanbul-lib-report": "^3.0.1",
+        "istanbul-lib-source-maps": "^5.0.4",
+        "istanbul-reports": "^3.1.6",
+        "magic-string": "^0.30.5",
+        "magicast": "^0.3.3",
+        "picocolors": "^1.0.0",
+        "std-env": "^3.5.0",
+        "strip-literal": "^2.0.0",
+        "test-exclude": "^6.0.0",
+        "v8-to-istanbul": "^9.2.0"
+      },
+      "funding": {
+        "url": "https://opencollective.com/vitest"
+      },
+      "peerDependencies": {
+        "vitest": "1.4.0"
+      }
+    },
     "node_modules/@vitest/expect": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/@vitest/expect/-/expect-1.4.0.tgz",
@@ -1085,6 +1192,18 @@
         "node": ">= 6"
       }
     },
+    "node_modules/concat-map": {
+      "version": "0.0.1",
+      "resolved": "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz",
+      "integrity": "sha512-/Srv4dswyQNBfohGpz9o6Yb3Gz3SrUDqBH5rTuhGR7ahtlbYKnVxw2bCFMRljaA7EXHaXZ8wsHdodFvbkhKmqg==",
+      "dev": true
+    },
+    "node_modules/convert-source-map": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/convert-source-map/-/convert-source-map-2.0.0.tgz",
+      "integrity": "sha512-Kvp459HrV2FEJ1CAsi1Ku+MY3kasH19TFykTz2xWmMeq6bk2NU3XXvfJ+Q61m0xktWwt+1HSYf3JZsTms3aRJg==",
+      "dev": true
+    },
     "node_modules/cross-spawn": {
       "version": "7.0.3",
       "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-7.0.3.tgz",
@@ -1309,6 +1428,12 @@
         "url": "https://github.com/sponsors/isaacs"
       }
     },
+    "node_modules/fs.realpath": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz",
+      "integrity": "sha512-OO0pH2lK6a0hZnAdau5ItzHPI6pUlvI7jMVnxUQRtw4owF2wk8lOSabtGDCTP4Ggrg2MbGnWO9X8K1t4+fGMDw==",
+      "dev": true
+    },
     "node_modules/fsevents": {
       "version": "2.3.3",
       "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.3.3.tgz",
@@ -1386,6 +1511,21 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/has-flag": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/has-flag/-/has-flag-4.0.0.tgz",
+      "integrity": "sha512-EykJT/Q1KjTWctppgIAgfSO0tKVuZUjhgMr17kqTumMl6Afv3EISleU7qZUzoXDFTAHTDC4NOoG/ZxU3EvlMPQ==",
+      "dev": true,
+      "engines": {
+        "node": ">=8"
+      }
+    },
+    "node_modules/html-escaper": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/html-escaper/-/html-escaper-2.0.2.tgz",
+      "integrity": "sha512-H2iMtd0I4Mt5eYiapRdIDjp+XzelXQ0tFE4JS7YFwFevXXMmOp9myNrUvCg0D6ws8iqkRPBfKHgbwig1SmlLfg==",
+      "dev": true
+    },
     "node_modules/human-signals": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/human-signals/-/human-signals-2.1.0.tgz",
@@ -1404,6 +1544,22 @@
         "node": ">= 4"
       }
     },
+    "node_modules/inflight": {
+      "version": "1.0.6",
+      "resolved": "https://registry.npmjs.org/inflight/-/inflight-1.0.6.tgz",
+      "integrity": "sha512-k92I/b08q4wvFscXCLvqfsHCrjrF7yiXsQuIVvVE7N82W3+aqpzuUdBbfhWcy/FZR3/4IgflMgKLOsvPDrGCJA==",
+      "dev": true,
+      "dependencies": {
+        "once": "^1.3.0",
+        "wrappy": "1"
+      }
+    },
+    "node_modules/inherits": {
+      "version": "2.0.4",
+      "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
+      "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
+      "dev": true
+    },
     "node_modules/is-binary-path": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/is-binary-path/-/is-binary-path-2.1.0.tgz",
@@ -1470,6 +1626,56 @@
       "integrity": "sha512-RHxMLp9lnKHGHRng9QFhRCMbYAcVpn69smSGcq3f36xjgVVWThj4qqLbTLlq7Ssj8B+fIQ1EuCEGI2lKsyQeIw==",
       "dev": true
     },
+    "node_modules/istanbul-lib-coverage": {
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/istanbul-lib-coverage/-/istanbul-lib-coverage-3.2.2.tgz",
+      "integrity": "sha512-O8dpsF+r0WV/8MNRKfnmrtCWhuKjxrq2w+jpzBL5UZKTi2LeVWnWOmWRxFlesJONmc+wLAGvKQZEOanko0LFTg==",
+      "dev": true,
+      "engines": {
+        "node": ">=8"
+      }
+    },
+    "node_modules/istanbul-lib-report": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/istanbul-lib-report/-/istanbul-lib-report-3.0.1.tgz",
+      "integrity": "sha512-GCfE1mtsHGOELCU8e/Z7YWzpmybrx/+dSTfLrvY8qRmaY6zXTKWn6WQIjaAFw069icm6GVMNkgu0NzI4iPZUNw==",
+      "dev": true,
+      "dependencies": {
+        "istanbul-lib-coverage": "^3.0.0",
+        "make-dir": "^4.0.0",
+        "supports-color": "^7.1.0"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
+    "node_modules/istanbul-lib-source-maps": {
+      "version": "5.0.4",
+      "resolved": "https://registry.npmjs.org/istanbul-lib-source-maps/-/istanbul-lib-source-maps-5.0.4.tgz",
+      "integrity": "sha512-wHOoEsNJTVltaJp8eVkm8w+GVkVNHT2YDYo53YdzQEL2gWm1hBX5cGFR9hQJtuGLebidVX7et3+dmDZrmclduw==",
+      "dev": true,
+      "dependencies": {
+        "@jridgewell/trace-mapping": "^0.3.23",
+        "debug": "^4.1.1",
+        "istanbul-lib-coverage": "^3.0.0"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
+    "node_modules/istanbul-reports": {
+      "version": "3.1.7",
+      "resolved": "https://registry.npmjs.org/istanbul-reports/-/istanbul-reports-3.1.7.tgz",
+      "integrity": "sha512-BewmUXImeuRk2YY0PVbxgKAysvhRPUQE0h5QRM++nVWyubKGV0l8qQ5op8+B2DOmwSe63Jivj0BjkPQVf8fP5g==",
+      "dev": true,
+      "dependencies": {
+        "html-escaper": "^2.0.0",
+        "istanbul-lib-report": "^3.0.0"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/jackspeak": {
       "version": "2.3.6",
       "resolved": "https://registry.npmjs.org/jackspeak/-/jackspeak-2.3.6.tgz",
@@ -1806,6 +2012,32 @@
         "node": ">=12"
       }
     },
+    "node_modules/magicast": {
+      "version": "0.3.3",
+      "resolved": "https://registry.npmjs.org/magicast/-/magicast-0.3.3.tgz",
+      "integrity": "sha512-ZbrP1Qxnpoes8sz47AM0z08U+jW6TyRgZzcWy3Ma3vDhJttwMwAFDMMQFobwdBxByBD46JYmxRzeF7w2+wJEuw==",
+      "dev": true,
+      "dependencies": {
+        "@babel/parser": "^7.23.6",
+        "@babel/types": "^7.23.6",
+        "source-map-js": "^1.0.2"
+      }
+    },
+    "node_modules/make-dir": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/make-dir/-/make-dir-4.0.0.tgz",
+      "integrity": "sha512-hXdUTZYIVOt1Ex//jAQi+wTZZpUpwBj/0QsOzqegb3rGMMeJiSEu5xLHnYfBrRV4RH2+OCSOO95Is/7x1WJ4bw==",
+      "dev": true,
+      "dependencies": {
+        "semver": "^7.5.3"
+      },
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/merge-stream": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/merge-stream/-/merge-stream-2.0.0.tgz",
@@ -1955,6 +2187,15 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/once": {
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/once/-/once-1.4.0.tgz",
+      "integrity": "sha512-lNaJgI+2Q5URQBkccEKHTQOPaXdUxnZZElQTZY0MFUAuaEqe1E+Nyvgdz/aIyNi6Z9MzO5dv1H8n58/GELp3+w==",
+      "dev": true,
+      "dependencies": {
+        "wrappy": "1"
+      }
+    },
     "node_modules/onetime": {
       "version": "5.1.2",
       "resolved": "https://registry.npmjs.org/onetime/-/onetime-5.1.2.tgz",
@@ -1975,6 +2216,15 @@
       "resolved": "https://registry.npmjs.org/path-browserify/-/path-browserify-1.0.1.tgz",
       "integrity": "sha512-b7uo2UCUOYZcnF/3ID0lulOJi/bafxa1xPe7ZPsammBSpjSWQkjNxlt635YGS2MiR9GjvuXCtz2emr3jbsz98g=="
     },
+    "node_modules/path-is-absolute": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/path-is-absolute/-/path-is-absolute-1.0.1.tgz",
+      "integrity": "sha512-AVbw3UJ2e9bq64vSaS9Am0fje1Pa8pbGqTTsmXfaIiMpnr5DlDhfJOuLj9Sf95ZPVDAUerDfEk88MPmPe7UCQg==",
+      "dev": true,
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/path-key": {
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/path-key/-/path-key-3.1.1.tgz",
@@ -2287,6 +2537,33 @@
         "queue-microtask": "^1.2.2"
       }
     },
+    "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/semver/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/shebang-command": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-2.0.0.tgz",
@@ -2501,6 +2778,74 @@
         "node": ">=16 || 14 >=14.17"
       }
     },
+    "node_modules/supports-color": {
+      "version": "7.2.0",
+      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-7.2.0.tgz",
+      "integrity": "sha512-qpCAvRl9stuOHveKsn7HncJRvv501qIacKzQlO/+Lwxc9+0q2wLyv4Dfvt80/DPn2pqOBsJdDiogXGR9+OvwRw==",
+      "dev": true,
+      "dependencies": {
+        "has-flag": "^4.0.0"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
+    "node_modules/test-exclude": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/test-exclude/-/test-exclude-6.0.0.tgz",
+      "integrity": "sha512-cAGWPIyOHU6zlmg88jwm7VRyXnMN7iV68OGAbYDk/Mh/xC/pzVPlQtY6ngoIH/5/tciuhGfvESU8GrHrcxD56w==",
+      "dev": true,
+      "dependencies": {
+        "@istanbuljs/schema": "^0.1.2",
+        "glob": "^7.1.4",
+        "minimatch": "^3.0.4"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
+    "node_modules/test-exclude/node_modules/brace-expansion": {
+      "version": "1.1.11",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",
+      "integrity": "sha512-iCuPHDFgrHX7H2vEI/5xpz07zSHB00TpugqhmYtVmMO6518mCuRMoOYFldEBl0g187ufozdaHgWKcYFb61qGiA==",
+      "dev": true,
+      "dependencies": {
+        "balanced-match": "^1.0.0",
+        "concat-map": "0.0.1"
+      }
+    },
+    "node_modules/test-exclude/node_modules/glob": {
+      "version": "7.2.3",
+      "resolved": "https://registry.npmjs.org/glob/-/glob-7.2.3.tgz",
+      "integrity": "sha512-nFR0zLpU2YCaRxwoCJvL6UvCH2JFyFVIvwTLsIf21AuHlMskA1hhTdk+LlYJtOlYt9v6dvszD2BGRqBL+iQK9Q==",
+      "dev": true,
+      "dependencies": {
+        "fs.realpath": "^1.0.0",
+        "inflight": "^1.0.4",
+        "inherits": "2",
+        "minimatch": "^3.1.1",
+        "once": "^1.3.0",
+        "path-is-absolute": "^1.0.0"
+      },
+      "engines": {
+        "node": "*"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/isaacs"
+      }
+    },
+    "node_modules/test-exclude/node_modules/minimatch": {
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
+      "integrity": "sha512-J7p63hRiAjw1NDEww1W7i37+ByIrOWO5XQQAzZ3VOcL0PNybwpfmV/N05zFAzwQ9USyEcX6t3UO+K5aqBQOIHw==",
+      "dev": true,
+      "dependencies": {
+        "brace-expansion": "^1.1.7"
+      },
+      "engines": {
+        "node": "*"
+      }
+    },
     "node_modules/thenify": {
       "version": "3.3.1",
       "resolved": "https://registry.npmjs.org/thenify/-/thenify-3.3.1.tgz",
@@ -2546,6 +2891,15 @@
         "node": ">=14.0.0"
       }
     },
+    "node_modules/to-fast-properties": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/to-fast-properties/-/to-fast-properties-2.0.0.tgz",
+      "integrity": "sha512-/OaKK0xYrs3DmxRYqL/yDc+FxFUVYhDlXMhRmv3z915w2HF1tnN1omB354j8VUGO/hbRzyD6Y3sA7v7GS/ceog==",
+      "dev": true,
+      "engines": {
+        "node": ">=4"
+      }
+    },
     "node_modules/to-regex-range": {
       "version": "5.0.1",
       "resolved": "https://registry.npmjs.org/to-regex-range/-/to-regex-range-5.0.1.tgz",
@@ -3080,6 +3434,20 @@
       "optional": true,
       "peer": true
     },
+    "node_modules/v8-to-istanbul": {
+      "version": "9.2.0",
+      "resolved": "https://registry.npmjs.org/v8-to-istanbul/-/v8-to-istanbul-9.2.0.tgz",
+      "integrity": "sha512-/EH/sDgxU2eGxajKdwLCDmQ4FWq+kpi3uCmBGpw1xJtnAxEjlD8j8PEiGWpCIMIs3ciNAgH0d3TTJiUkYzyZjA==",
+      "dev": true,
+      "dependencies": {
+        "@jridgewell/trace-mapping": "^0.3.12",
+        "@types/istanbul-lib-coverage": "^2.0.1",
+        "convert-source-map": "^2.0.0"
+      },
+      "engines": {
+        "node": ">=10.12.0"
+      }
+    },
     "node_modules/vite": {
       "version": "5.2.8",
       "resolved": "https://registry.npmjs.org/vite/-/vite-5.2.8.tgz",
@@ -3523,6 +3891,18 @@
         "node": ">=8"
       }
     },
+    "node_modules/wrappy": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
+      "integrity": "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ==",
+      "dev": true
+    },
+    "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/yaml": {
       "version": "2.4.1",
       "resolved": "https://registry.npmjs.org/yaml/-/yaml-2.4.1.tgz",
diff --git a/package.json b/package.json
index cebcc17..d5fa469 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,9 @@
   },
   "sideEffects": false,
   "scripts": {
-    "build": "tsup"
+    "build": "tsup",
+    "test": "vitest",
+    "test:ci": "vitest run --coverage --reporter=basic"
   },
   "author": "Jon Ambas <jon@jonambas.com>",
   "license": "MIT",
@@ -34,6 +36,7 @@
     "typescript": "^5.4.4"
   },
   "devDependencies": {
+    "@vitest/coverage-v8": "^1.4.0",
     "prettier": "^3.2.5",
     "tsup": "^8.0.2",
     "vitest": "^1.4.0"
diff --git a/src/__tests__/get.test.ts b/src/__tests__/get.test.ts
new file mode 100644
index 0000000..9fb3a7b
--- /dev/null
+++ b/src/__tests__/get.test.ts
@@ -0,0 +1,72 @@
+import { get, getTemplate } from '../get';
+
+const tokens = {
+  foo: { a: { b: { c: { value: { base: '10px', lg: '20px' } } } } },
+  bar: { baz: { 100: { value: {} }, 200: { value: {} } } },
+  baz: { 100: 'hello', 200: { value: 'goodbye' } },
+};
+
+describe('get', () => {
+  it('gets a string', () => {
+    expect(get(tokens)('baz.100')).toBe('"hello"');
+  });
+
+  it('gets a value object', () => {
+    expect(get(tokens)('foo.a.b.c')).toMatchInlineSnapshot(
+      `"{"base":"10px","lg":"20px"}"`,
+    );
+  });
+
+  it('gets a value string', () => {
+    expect(get(tokens)('baz.200')).toMatchInlineSnapshot(`""goodbye""`);
+  });
+
+  it('gets an undefined token', () => {
+    expect(get(tokens)('nope.nope')).toBe(`"panda-plugin-ct-alias-not-found"`);
+  });
+
+  it('gets an undefined path', () => {
+    // @ts-expect-error Checking arg omission
+    expect(get(tokens)()).toBe(`"panda-plugin-ct-alias-not-found"`);
+  });
+});
+
+describe('getTemplate', () => {
+  it('generates a ct function', () => {
+    expect(getTemplate({ foo: { value: { base: '#fff', md: '#000' } } }))
+      .toMatchInlineSnapshot(`
+        "
+        const pluginCtTokens = {
+          "foo": {
+            "value": {
+              "base": "#fff",
+              "md": "#000"
+            }
+          }
+        };
+
+        export const ct = (path) => {
+          if (!path) return "panda-plugin-ct-alias-not-found";
+
+          const parts = path.split('.');
+          let current = pluginCtTokens;
+
+          for (const part of parts) {
+            if (!current[part]) break;
+            current = current[part];
+          }
+
+          if (typeof current === 'string') {
+            return current;
+          }
+          
+          if (typeof current === 'object' && current != null && !Array.isArray(current) && 'value' in current) {
+            return current.value;
+          }
+          
+          return "panda-plugin-ct-alias-not-found";
+        };
+        "
+      `);
+  });
+});
diff --git a/src/__tests__/tsconfig.json b/src/__tests__/tsconfig.json
new file mode 100644
index 0000000..4a57ad7
--- /dev/null
+++ b/src/__tests__/tsconfig.json
@@ -0,0 +1,6 @@
+{
+  "compilerOptions": {
+    "types": ["vitest/globals"]
+  },
+  "include": ["./**/*.ts"]
+}
diff --git a/src/__tests__/utils.test.ts b/src/__tests__/utils.test.ts
new file mode 100644
index 0000000..7f7599c
--- /dev/null
+++ b/src/__tests__/utils.test.ts
@@ -0,0 +1,49 @@
+import { isObject, makePaths } from '../utils';
+
+describe('isObject', () => {
+  it('returns true if an object', () => {
+    expect(isObject({})).toBe(true);
+    expect(isObject({ foo: 'bar' })).toBe(true);
+  });
+
+  it('returns false if not an object', () => {
+    expect(isObject(1)).toBe(false);
+    expect(isObject('1')).toBe(false);
+    expect(isObject(undefined)).toBe(false);
+    expect(isObject(null)).toBe(false);
+    expect(isObject([1, 2, 3])).toBe(false);
+  });
+});
+
+describe('makePaths', () => {
+  it('makes paths', () => {
+    expect(
+      makePaths({
+        foo: { 100: { value: '#fff' }, 200: '' },
+        bar: { 100: '', 200: '' },
+      }),
+    ).toMatchInlineSnapshot(`
+        [
+          "foo.100",
+          "foo.200",
+          "bar.100",
+          "bar.200",
+        ]
+      `);
+  });
+
+  it('makes paths with object values', () => {
+    expect(
+      makePaths({
+        foo: { a: { b: { c: { value: { base: '', lg: '' } } } } },
+        bar: { baz: { 100: { value: '#fff' }, 200: { value: {} } } },
+      }),
+    ).toMatchInlineSnapshot(`
+      [
+        "foo.a.b.c",
+        "bar.baz.100",
+        "bar.baz.200",
+      ]
+    `);
+  });
+});
diff --git a/src/codegen.ts b/src/codegen.ts
index 5c5cccf..90113bb 100644
--- a/src/codegen.ts
+++ b/src/codegen.ts
@@ -5,6 +5,7 @@ import type {
 } from '@pandacss/types';
 import { makePaths } from './utils';
 import type { PluginContext } from './types';
+import { getTemplate } from './get';
 
 export const codegen = (
   args: CodegenPrepareHookArgs,
@@ -19,26 +20,7 @@ export const codegen = (
   const cssFile = cssFn.files.find((f) => f.file.includes('css.mjs'));
   if (!cssFile) return args.artifacts;
 
-  cssFile.code += `\n
-  const ctTokens = ${JSON.stringify(tokens, null, 2)};
-
-  export const ct = (path) => {
-    const parts = path.split(".");
-    let current = ctTokens;
-  
-    for (const part of parts) {
-      if (!current[part]) {
-        break;
-      }
-      current = current[part];
-    }
-  
-    if (typeof current !== "string") {
-      return "panda-plugin-ct-alias-not-found";
-    }
-  
-    return current;
-  }`;
+  cssFile.code += getTemplate(tokens);
 
   const cssDtsFile = cssFn.files.find((f) => f.file.includes('css.d.'));
   if (!cssDtsFile) return args.artifacts;
diff --git a/src/get.ts b/src/get.ts
new file mode 100644
index 0000000..fe2fe0d
--- /dev/null
+++ b/src/get.ts
@@ -0,0 +1,56 @@
+import type { ComponentTokens } from './types';
+import { isObject } from './utils';
+
+const missing = `"panda-plugin-ct-alias-not-found"`;
+
+export const get =
+  (tokens: ComponentTokens) =>
+  (path: string): string => {
+    if (!path) return missing;
+
+    const parts = path.split('.');
+    let current = tokens;
+
+    for (const part of parts) {
+      if (!current[part]) break;
+      current = current[part] as ComponentTokens;
+    }
+
+    if (typeof current === 'string') {
+      return `"${current}"`;
+    }
+
+    if (isObject(current) && 'value' in current) {
+      return typeof current.value === 'string'
+        ? `"${current.value}"`
+        : JSON.stringify(current.value);
+    }
+
+    return missing;
+  };
+
+export const getTemplate = (tokens: ComponentTokens) => `
+const pluginCtTokens = ${JSON.stringify(tokens, null, 2)};
+
+export const ct = (path) => {
+  if (!path) return ${missing};
+
+  const parts = path.split('.');
+  let current = pluginCtTokens;
+
+  for (const part of parts) {
+    if (!current[part]) break;
+    current = current[part];
+  }
+
+  if (typeof current === 'string') {
+    return current;
+  }
+  
+  if (typeof current === 'object' && current != null && !Array.isArray(current) && 'value' in current) {
+    return current.value;
+  }
+  
+  return ${missing};
+};
+`;
diff --git a/src/parser.ts b/src/parser.ts
index 7365537..ae9df4c 100644
--- a/src/parser.ts
+++ b/src/parser.ts
@@ -1,5 +1,6 @@
 import type { ParserResultBeforeHookArgs } from '@pandacss/types';
-import type { ComponentTokens, PluginContext } from './types';
+import type { PluginContext } from './types';
+import { get } from './get';
 
 export const parser = (
   args: ParserResultBeforeHookArgs,
@@ -20,32 +21,16 @@ export const parser = (
 
   const text = source.getText();
   const calls = text.match(/ct\(['"][\w.]+['"]\)/g) ?? [];
+  const ct = get(tokens);
   let newText = text;
 
-  const get = (path: string): string => {
-    const parts = path.split('.');
-    let current = tokens;
-
-    for (const part of parts) {
-      if (!current[part]) break;
-      current = current[part] as ComponentTokens;
-    }
-
-    // TODO: allow passing through style objects
-    if (typeof current !== 'string') {
-      return 'panda-plugin-ct-alias-not-found';
-    }
-
-    return current as unknown as string;
-  };
-
   for (const call of calls) {
     const path = call
       .match(/['"][\w.]+['"]/)
       ?.toString()
       .replace(/['"]/g, '');
     if (!path) continue;
-    newText = newText.replace(call, `"${get(path)}"`);
+    newText = newText.replace(call, ct(path));
   }
 
   return newText;
diff --git a/src/utils.ts b/src/utils.ts
index d61fa57..650c222 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -6,15 +6,16 @@ export const makePaths = (
   obj: Record<string, any>,
   prefix?: string,
 ): string[] => {
-  const keys = Object.keys(obj);
   const pathPrefix = prefix ? prefix + '.' : '';
+  const paths = [];
 
-  return keys.reduce<string[]>((acc, key) => {
-    if (isObject(obj[key])) {
-      acc = acc.concat(makePaths(obj[key], pathPrefix + key));
+  for (const [key, value] of Object.entries(obj)) {
+    if (!isObject(value) || 'value' in value) {
+      paths.push(`${pathPrefix}${key}`);
     } else {
-      acc.push(pathPrefix + key);
+      paths.push(...makePaths(value, `${pathPrefix}${key}`));
     }
-    return acc;
-  }, []);
+  }
+
+  return paths;
 };
diff --git a/vitest.config.mts b/vitest.config.mts
new file mode 100644
index 0000000..de71548
--- /dev/null
+++ b/vitest.config.mts
@@ -0,0 +1,10 @@
+import { defineConfig } from 'vitest/config';
+
+export default defineConfig({
+  test: {
+    globals: true,
+    coverage: {
+      include: ['src', '!src/**/__tests__/**'],
+    },
+  },
+});