diff options
Diffstat (limited to 'node_modules/rxjs/dist/cjs/internal/operators/sequenceEqual.js')
| -rw-r--r-- | node_modules/rxjs/dist/cjs/internal/operators/sequenceEqual.js | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/node_modules/rxjs/dist/cjs/internal/operators/sequenceEqual.js b/node_modules/rxjs/dist/cjs/internal/operators/sequenceEqual.js new file mode 100644 index 0000000..9416b3a --- /dev/null +++ b/node_modules/rxjs/dist/cjs/internal/operators/sequenceEqual.js @@ -0,0 +1,44 @@ +"use strict"; +Object.defineProperty(exports, "__esModule", { value: true }); +exports.sequenceEqual = void 0; +var lift_1 = require("../util/lift"); +var OperatorSubscriber_1 = require("./OperatorSubscriber"); +var innerFrom_1 = require("../observable/innerFrom"); +function sequenceEqual(compareTo, comparator) { + if (comparator === void 0) { comparator = function (a, b) { return a === b; }; } + return lift_1.operate(function (source, subscriber) { + var aState = createState(); + var bState = createState(); + var emit = function (isEqual) { + subscriber.next(isEqual); + subscriber.complete(); + }; + var createSubscriber = function (selfState, otherState) { + var sequenceEqualSubscriber = OperatorSubscriber_1.createOperatorSubscriber(subscriber, function (a) { + var buffer = otherState.buffer, complete = otherState.complete; + if (buffer.length === 0) { + complete ? emit(false) : selfState.buffer.push(a); + } + else { + !comparator(a, buffer.shift()) && emit(false); + } + }, function () { + selfState.complete = true; + var complete = otherState.complete, buffer = otherState.buffer; + complete && emit(buffer.length === 0); + sequenceEqualSubscriber === null || sequenceEqualSubscriber === void 0 ? void 0 : sequenceEqualSubscriber.unsubscribe(); + }); + return sequenceEqualSubscriber; + }; + source.subscribe(createSubscriber(aState, bState)); + innerFrom_1.innerFrom(compareTo).subscribe(createSubscriber(bState, aState)); + }); +} +exports.sequenceEqual = sequenceEqual; +function createState() { + return { + buffer: [], + complete: false, + }; +} +//# sourceMappingURL=sequenceEqual.js.map
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