diff --git a/.gitignore b/.gitignore
index 5e52727..07e6e47 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1 @@
 /node_modules
-package-lock.json
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 0000000..bdf8a30
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,104 @@
+{
+    "name": "@goodrequest/joi-type-extract",
+    "version": "0.0.4",
+    "lockfileVersion": 2,
+    "requires": true,
+    "packages": {
+        "": {
+            "name": "@goodrequest/joi-type-extract",
+            "version": "0.0.4",
+            "license": "MIT",
+            "dependencies": {
+                "joi": "^17.6.0"
+            }
+        },
+        "node_modules/@hapi/hoek": {
+            "version": "9.3.0",
+            "resolved": "https://registry.npmjs.org/@hapi/hoek/-/hoek-9.3.0.tgz",
+            "integrity": "sha512-/c6rf4UJlmHlC9b5BaNvzAcFv7HZ2QHaV0D4/HNlBdvFnvQq8RI4kYdhyPCl7Xj+oWvTWQ8ujhqS53LIgAe6KQ=="
+        },
+        "node_modules/@hapi/topo": {
+            "version": "5.1.0",
+            "resolved": "https://registry.npmjs.org/@hapi/topo/-/topo-5.1.0.tgz",
+            "integrity": "sha512-foQZKJig7Ob0BMAYBfcJk8d77QtOe7Wo4ox7ff1lQYoNNAb6jwcY1ncdoy2e9wQZzvNy7ODZCYJkK8kzmcAnAg==",
+            "dependencies": {
+                "@hapi/hoek": "^9.0.0"
+            }
+        },
+        "node_modules/@sideway/address": {
+            "version": "4.1.4",
+            "resolved": "https://registry.npmjs.org/@sideway/address/-/address-4.1.4.tgz",
+            "integrity": "sha512-7vwq+rOHVWjyXxVlR76Agnvhy8I9rpzjosTESvmhNeXOXdZZB15Fl+TI9x1SiHZH5Jv2wTGduSxFDIaq0m3DUw==",
+            "dependencies": {
+                "@hapi/hoek": "^9.0.0"
+            }
+        },
+        "node_modules/@sideway/formula": {
+            "version": "3.0.1",
+            "resolved": "https://registry.npmjs.org/@sideway/formula/-/formula-3.0.1.tgz",
+            "integrity": "sha512-/poHZJJVjx3L+zVD6g9KgHfYnb443oi7wLu/XKojDviHy6HOEOA6z1Trk5aR1dGcmPenJEgb2sK2I80LeS3MIg=="
+        },
+        "node_modules/@sideway/pinpoint": {
+            "version": "2.0.0",
+            "resolved": "https://registry.npmjs.org/@sideway/pinpoint/-/pinpoint-2.0.0.tgz",
+            "integrity": "sha512-RNiOoTPkptFtSVzQevY/yWtZwf/RxyVnPy/OcA9HBM3MlGDnBEYL5B41H0MTn0Uec8Hi+2qUtTfG2WWZBmMejQ=="
+        },
+        "node_modules/joi": {
+            "version": "17.7.0",
+            "resolved": "https://registry.npmjs.org/joi/-/joi-17.7.0.tgz",
+            "integrity": "sha512-1/ugc8djfn93rTE3WRKdCzGGt/EtiYKxITMO4Wiv6q5JL1gl9ePt4kBsl1S499nbosspfctIQTpYIhSmHA3WAg==",
+            "dependencies": {
+                "@hapi/hoek": "^9.0.0",
+                "@hapi/topo": "^5.0.0",
+                "@sideway/address": "^4.1.3",
+                "@sideway/formula": "^3.0.0",
+                "@sideway/pinpoint": "^2.0.0"
+            }
+        }
+    },
+    "dependencies": {
+        "@hapi/hoek": {
+            "version": "9.3.0",
+            "resolved": "https://registry.npmjs.org/@hapi/hoek/-/hoek-9.3.0.tgz",
+            "integrity": "sha512-/c6rf4UJlmHlC9b5BaNvzAcFv7HZ2QHaV0D4/HNlBdvFnvQq8RI4kYdhyPCl7Xj+oWvTWQ8ujhqS53LIgAe6KQ=="
+        },
+        "@hapi/topo": {
+            "version": "5.1.0",
+            "resolved": "https://registry.npmjs.org/@hapi/topo/-/topo-5.1.0.tgz",
+            "integrity": "sha512-foQZKJig7Ob0BMAYBfcJk8d77QtOe7Wo4ox7ff1lQYoNNAb6jwcY1ncdoy2e9wQZzvNy7ODZCYJkK8kzmcAnAg==",
+            "requires": {
+                "@hapi/hoek": "^9.0.0"
+            }
+        },
+        "@sideway/address": {
+            "version": "4.1.4",
+            "resolved": "https://registry.npmjs.org/@sideway/address/-/address-4.1.4.tgz",
+            "integrity": "sha512-7vwq+rOHVWjyXxVlR76Agnvhy8I9rpzjosTESvmhNeXOXdZZB15Fl+TI9x1SiHZH5Jv2wTGduSxFDIaq0m3DUw==",
+            "requires": {
+                "@hapi/hoek": "^9.0.0"
+            }
+        },
+        "@sideway/formula": {
+            "version": "3.0.1",
+            "resolved": "https://registry.npmjs.org/@sideway/formula/-/formula-3.0.1.tgz",
+            "integrity": "sha512-/poHZJJVjx3L+zVD6g9KgHfYnb443oi7wLu/XKojDviHy6HOEOA6z1Trk5aR1dGcmPenJEgb2sK2I80LeS3MIg=="
+        },
+        "@sideway/pinpoint": {
+            "version": "2.0.0",
+            "resolved": "https://registry.npmjs.org/@sideway/pinpoint/-/pinpoint-2.0.0.tgz",
+            "integrity": "sha512-RNiOoTPkptFtSVzQevY/yWtZwf/RxyVnPy/OcA9HBM3MlGDnBEYL5B41H0MTn0Uec8Hi+2qUtTfG2WWZBmMejQ=="
+        },
+        "joi": {
+            "version": "17.7.0",
+            "resolved": "https://registry.npmjs.org/joi/-/joi-17.7.0.tgz",
+            "integrity": "sha512-1/ugc8djfn93rTE3WRKdCzGGt/EtiYKxITMO4Wiv6q5JL1gl9ePt4kBsl1S499nbosspfctIQTpYIhSmHA3WAg==",
+            "requires": {
+                "@hapi/hoek": "^9.0.0",
+                "@hapi/topo": "^5.0.0",
+                "@sideway/address": "^4.1.3",
+                "@sideway/formula": "^3.0.0",
+                "@sideway/pinpoint": "^2.0.0"
+            }
+        }
+    }
+}