Check-in lists: Fix exception in rule validation

This commit is contained in:
Raphael Michel
2023-05-19 16:08:25 +02:00
parent 1c3623b223
commit db013f5e8c

View File

@@ -2,7 +2,7 @@ function convert_to_dnf(rules) {
// Converts a set of rules to disjunctive normal form, i.e. returns something of the form
// `(a AND b AND c) OR (a AND d AND f)`
// without further nesting.
if (typeof rules !== "object" || Array.isArray(rules)) {
if (typeof rules !== "object" || Array.isArray(rules) || rules === null) {
return rules
}