diff options
Diffstat (limited to 'node_modules/rxjs/dist/esm5/internal/operators/skipLast.js')
| -rw-r--r-- | node_modules/rxjs/dist/esm5/internal/operators/skipLast.js | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/node_modules/rxjs/dist/esm5/internal/operators/skipLast.js b/node_modules/rxjs/dist/esm5/internal/operators/skipLast.js new file mode 100644 index 0000000..8a69d32 --- /dev/null +++ b/node_modules/rxjs/dist/esm5/internal/operators/skipLast.js @@ -0,0 +1,28 @@ +import { identity } from '../util/identity'; +import { operate } from '../util/lift'; +import { createOperatorSubscriber } from './OperatorSubscriber'; +export function skipLast(skipCount) { + return skipCount <= 0 + ? + identity + : operate(function (source, subscriber) { + var ring = new Array(skipCount); + var seen = 0; + source.subscribe(createOperatorSubscriber(subscriber, function (value) { + var valueIndex = seen++; + if (valueIndex < skipCount) { + ring[valueIndex] = value; + } + else { + var index = valueIndex % skipCount; + var oldValue = ring[index]; + ring[index] = value; + subscriber.next(oldValue); + } + })); + return function () { + ring = null; + }; + }); +} +//# sourceMappingURL=skipLast.js.map
\ No newline at end of file |