return a===b;}
function createSelector(targetEl,targetElProperty,settingsKey,defaultValue,items,opt_namespace){let defaultValueIndex;for(let i=0;i<items.length;i++){const item=items[i];if(valuesEqual(item.value,defaultValue)){defaultValueIndex=i;break;}}
if(defaultValueIndex===undefined){throw new Error('defaultValue must be in the items list');}