undefined robustness

This commit is contained in:
Pieter Vander Vennet 2021-10-25 14:02:32 +02:00
parent b7d0b67ae2
commit 084d22928b

View file

@ -122,13 +122,13 @@ export default class WikidataPreviewBox extends VariableUiElement {
const els : BaseUIElement[] = [] const els : BaseUIElement[] = []
for (const extraProperty of WikidataPreviewBox.extraProperties) { for (const extraProperty of WikidataPreviewBox.extraProperties) {
let hasAllRequirements =true let hasAllRequirements = true
for (const requirement of extraProperty.requires) { for (const requirement of extraProperty.requires) {
if(!wikidata.claims.has("P"+requirement.p)){ if(!wikidata.claims?.has("P"+requirement.p)){
hasAllRequirements = false; hasAllRequirements = false;
break break
} }
if(!wikidata.claims.get("P"+requirement.p).has("Q"+requirement.q)){ if(!wikidata.claims?.get("P"+requirement.p).has("Q"+requirement.q)){
hasAllRequirements = false; hasAllRequirements = false;
break break
} }