Добавлен пакет detect-file-type

package-lock.json

@@ -3247,6 +3247,11 @@
       "integrity": "sha1-8NZtA2cqglyxtzvbP+YjEMjlUrc=",
       "dev": true
     },
+    "detect-file-type": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/detect-file-type/-/detect-file-type-0.2.0.tgz",
+      "integrity": "sha512-RO/pUyKObaN3KZFVAxTzq6zUIweCu45deaUj2ZpbA1wCrmHeHYHpCXT6ZMLtlMtYSgEbpGuCxzQz8a9IuwOfNw=="
+    },
     "detect-indent": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/detect-indent/-/detect-indent-4.0.0.tgz",

package.json

@@ -59,6 +59,7 @@
     "axios": "^0.18.0",
     "compression": "^1.7.3",
     "decompress": "^4.2.0",
+    "detect-file-type": "^0.2.0",
     "download": "^7.1.0",
     "element-ui": "^2.4.11",
     "express": "^4.16.4",