| 1 | import { IterableX } from './iterablex';
|
| 2 | class DeferIterable extends IterableX {
|
| 3 | constructor(fn) {
|
| 4 | super();
|
| 5 | this._fn = fn;
|
| 6 | }
|
| 7 | *[Symbol.iterator]() {
|
| 8 | for (const item of this._fn()) {
|
| 9 | yield item;
|
| 10 | }
|
| 11 | }
|
| 12 | }
|
| 13 | /**
|
| 14 | * Returns an iterable sequence that invokes the specified factory function whenever a call to [Symbol.iterator] has been made.
|
| 15 | *
|
| 16 | * @export
|
| 17 | * @template TSource The type of the elements in the sequence returned by the factory function, and in the resulting sequence.
|
| 18 | * @param {(() => Iterable<TSource>)} factory iterable factory function to invoke for each call to [Symbol.iterator].
|
| 19 | * @returns {AsyncIterableX<TSource>} An iterable sequence whose observers trigger an invocation of the given iterable factory function.
|
| 20 | */
|
| 21 | export function defer(factory) {
|
| 22 | return new DeferIterable(factory);
|
| 23 | }
|
| 24 |
|
| 25 | //# sourceMappingURL=defer.mjs.map
|