Merging upstream version 5.3.3+dfsg.

Signed-off-by: Daniel Baumann <daniel@debian.org>

.eslintrc.json

@@ -51,6 +51,7 @@
         "SwitchCase": 1
       }
     ],
+    "logical-assignment-operators": "off",
     "max-params": [
       "warn",
       5
@@ -75,6 +76,7 @@
       "error",
       "after"
     ],
+    "prefer-object-has-own": "off",
     "prefer-template": "error",
     "semi": [
       "error",
@@ -108,7 +110,7 @@
         "node": true
       },
       "parserOptions": {
-        "sourceType": "script"
+        "sourceType": "module"
       },
       "rules": {
         "no-console": "off",