fix: typescript is a devDep

package-lock.json

@@ -4525,7 +4525,8 @@
     "typescript": {
       "version": "3.7.0-beta",
       "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.7.0-beta.tgz",
-      "integrity": "sha512-4jyCX+IQamrPJxgkABPq9xf+hUN+GWHVxoj+oey1TadCPa4snQl1RKwUba+1dyzYCamwlCxKvZQ3TjyWLhMGBA=="
+      "integrity": "sha512-4jyCX+IQamrPJxgkABPq9xf+hUN+GWHVxoj+oey1TadCPa4snQl1RKwUba+1dyzYCamwlCxKvZQ3TjyWLhMGBA==",
+      "dev": true
     },
     "uglify-js": {
       "version": "3.6.0",

package.json

@@ -23,9 +23,7 @@
     "benchmark": "^2.1.4",
     "serve-marked": "^2.0.2",
     "standard": "^14.3.1",
-    "tap": "^14.6.9"
-  },
-  "dependencies": {
+    "tap": "^14.6.9",
     "typescript": "^3.7.0-beta"
   }
 }