13 lines
665 B
JavaScript
13 lines
665 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) {
|
||
|
|
var hasDefaultValue = arguments.length >= 2;
|
||
|
|
return function (source) {
|
||
|
|
return source.pipe(predicate ? filter(function (v, i) { return predicate(v, i, source); }) : identity, takeLast(1), hasDefaultValue ? defaultIfEmpty(defaultValue) : throwIfEmpty(function () { return new EmptyError(); }));
|
||
|
|
};
|
||
|
|
}
|
||
|
|
//# sourceMappingURL=last.js.map
|