downgraded prettier

package-lock.json

@@ -11362,9 +11362,9 @@
             "optional": true
         },
         "prettier": {
-            "version": "2.0.2",
-            "resolved": "https://registry.npmjs.org/prettier/-/prettier-2.0.2.tgz",
-            "integrity": "sha512-5xJQIPT8BraI7ZnaDwSbu5zLrB6vvi8hVV58yHQ+QK64qrY40dULy0HSRlQ2/2IdzeBpjhDkqdcFBnFeDEMVdg=="
+            "version": "1.19.1",
+            "resolved": "https://registry.npmjs.org/prettier/-/prettier-1.19.1.tgz",
+            "integrity": "sha512-s7PoyDv/II1ObgQunCbB9PdLmUcBZcnWOcxDh7O0N/UwDEsHyqkW+Qh28jW+mVuCdx7gLB0BotYI1Y6uI9iyew=="
         },
         "prettier-linter-helpers": {
             "version": "1.0.0",

package.json

@@ -74,7 +74,7 @@
         "pikaday": "1.8.0",
         "pkcs11-smartcard-sign": "^1.0.1",
         "postcss-loader": "^3.0.0",
-        "prettier": "^2.0.2",
+        "prettier": "^1.19.1",
         "puppeteer": "^2.1.1",
         "raw-loader": "^4.0.0",
         "sass-loader": "^8.0.2",