hasResultRow
The hasResultRow
method returns a boolean indicating whether a given ResultRow
exists.
hasResultRow(
queryId: Id,
rowId: Id,
): boolean
Example
This example shows two simple ResultRow
existence checks.
const store = createStore().setTable('pets', {
fido: {species: 'dog', color: 'brown'},
felix: {species: 'cat', color: 'black'},
cujo: {species: 'dog', color: 'black'},
});
const queries = createQueries(store).setQueryDefinition(
'dogColors',
'pets',
({select, where}) => {
select('color');
where('species', 'dog');
},
);
console.log(queries.hasResultRow('dogColors', 'fido'));
// -> true
console.log(queries.hasResultRow('dogColors', 'felix'));
// -> false
Since
v2.0.0