diff options
Diffstat (limited to 'node_modules/rxjs/dist/esm/internal/operators/refCount.js')
| -rw-r--r-- | node_modules/rxjs/dist/esm/internal/operators/refCount.js | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/node_modules/rxjs/dist/esm/internal/operators/refCount.js b/node_modules/rxjs/dist/esm/internal/operators/refCount.js new file mode 100644 index 0000000..e666637 --- /dev/null +++ b/node_modules/rxjs/dist/esm/internal/operators/refCount.js @@ -0,0 +1,26 @@ +import { operate } from '../util/lift'; +import { createOperatorSubscriber } from './OperatorSubscriber'; +export function refCount() { + return operate((source, subscriber) => { + let connection = null; + source._refCount++; + const refCounter = createOperatorSubscriber(subscriber, undefined, undefined, undefined, () => { + if (!source || source._refCount <= 0 || 0 < --source._refCount) { + connection = null; + return; + } + const sharedConnection = source._connection; + const conn = connection; + connection = null; + if (sharedConnection && (!conn || sharedConnection === conn)) { + sharedConnection.unsubscribe(); + } + subscriber.unsubscribe(); + }); + source.subscribe(refCounter); + if (!refCounter.closed) { + connection = source.connect(); + } + }); +} +//# sourceMappingURL=refCount.js.map
\ No newline at end of file |