diff options
Diffstat (limited to 'node_modules/rxjs/dist/cjs/internal/operators/skipLast.js')
| -rw-r--r-- | node_modules/rxjs/dist/cjs/internal/operators/skipLast.js | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/node_modules/rxjs/dist/cjs/internal/operators/skipLast.js b/node_modules/rxjs/dist/cjs/internal/operators/skipLast.js new file mode 100644 index 0000000..66e789d --- /dev/null +++ b/node_modules/rxjs/dist/cjs/internal/operators/skipLast.js @@ -0,0 +1,32 @@ +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +exports.skipLast = void 0; +var identity_1 = require("../util/identity"); +var lift_1 = require("../util/lift"); +var OperatorSubscriber_1 = require("./OperatorSubscriber"); +function skipLast(skipCount) { + return skipCount <= 0 + ? + identity_1.identity + : lift_1.operate(function (source, subscriber) { + var ring = new Array(skipCount); + var seen = 0; + source.subscribe(OperatorSubscriber_1.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; + }; + }); +} +exports.skipLast = skipLast; +//# sourceMappingURL=skipLast.js.map
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