11 lines
601 B
JavaScript
11 lines
601 B
JavaScript
|
import { EmptyError } from '../util/EmptyError';
|
||
|
import { filter } from './filter';
|
||
|
import { takeLast } from './takeLast';
|
||
|
import { throwIfEmpty } from './throwIfEmpty';
|
||
|
import { defaultIfEmpty } from './defaultIfEmpty';
|
||
|
import { identity } from '../util/identity';
|
||
|
export function last(predicate, defaultValue) {
|
||
|
const hasDefaultValue = arguments.length >= 2;
|
||
|
return (source) => source.pipe(predicate ? filter((v, i) => predicate(v, i, source)) : identity, takeLast(1), hasDefaultValue ? defaultIfEmpty(defaultValue) : throwIfEmpty(() => new EmptyError()));
|
||
|
}
|
||
|
//# sourceMappingURL=last.js.map
|