EntregaFinalAV3/node_modules/rxjs/dist/cjs/internal/operators/pairwise.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.pairwise = void 0;
var lift_1 = require("../util/lift");
var OperatorSubscriber_1 = require("./OperatorSubscriber");
function pairwise() {
    return lift_1.operate(function (source, subscriber) {
        var prev;
        var hasPrev = false;
        source.subscribe(OperatorSubscriber_1.createOperatorSubscriber(subscriber, function (value) {
            var p = prev;
            prev = value;
            hasPrev && subscriber.next([p, value]);
            hasPrev = true;
        }));
    });
}
exports.pairwise = pairwise;
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