- this.state.variants = json.variantArray.sort(
- (v1,v2) => v1.name.localeCompare(v2.name));
+ if (!Array.isArray(json.variantArray)) {
+ alert("Variants loading failed: reload the page");
+ return;
+ }
+ this.state.variants = json.variantArray
+ .sort((v1,v2) => v1.name.localeCompare(v2.name));