iteragain/dist/es5/internal/RoundrobinIterator.js

Javascript Iterable/Iterator/Generator-function utilities.

var RoundrobinIterator = /** @class */ (function () {
    function RoundrobinIterator(iterators) {
        this.iterators = iterators;
        this.i = 0;
    }
    RoundrobinIterator.prototype[Symbol.iterator] = function () {
        return this;
    };
    RoundrobinIterator.prototype.next = function () {
        var _a;
        var args = [];
        for (var _i = 0; _i < arguments.length; _i++) {
            args[_i] = arguments[_i];
        }
        if (!this.iterators.length)
            return { done: true, value: undefined };
        var next = (_a = this.iterators[this.i]).next.apply(_a, args);
        if (next.done) {
            this.iterators.splice(this.i, 1);
            this.i %= this.iterators.length;
            return this.next.apply(this, args);
        }
        this.i = (this.i + 1) % this.iterators.length;
        return next;
    };
    return RoundrobinIterator;
}());
export { RoundrobinIterator };
export default RoundrobinIterator;
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