@reactivex/ix-es5-esm/iterable/whiledo.js

The Interactive Extensions for JavaScript

import { __extends, __generator, __values } from "tslib";
import { IterableX } from './iterablex.js';
var WhileIterable = /** @class */ (function (_super) {
    __extends(WhileIterable, _super);
    function WhileIterable(condition, source) {
        var _this = _super.call(this) || this;
        _this._condition = condition;
        _this._source = source;
        return _this;
    }
    WhileIterable.prototype[Symbol.iterator] = function () {
        return __generator(this, function (_a) {
            switch (_a.label) {
                case 0:
                    if (!this._condition()) return [3 /*break*/, 2];
                    return [5 /*yield**/, __values(this._source)];
                case 1:
                    _a.sent();
                    return [3 /*break*/, 0];
                case 2: return [2 /*return*/];
            }
        });
    };
    return WhileIterable;
}(IterableX));
/**
 * Repeats the given source as long as the specified conditions holds, where
 * the condition is evaluated before each repeated source is iterated.
 *
 * @template TSource
 * @param {Iterable<TSource>} source Source to repeat as long as the condition function evaluates to true.
 * @param {((signal?: AbortSignal) => boolean)} condition Condition that will be evaluated before the source sequence is iterated.
 * @returns {IterableX<TSource>} An iterable which is repeated while the condition returns true.
 */
export function whileDo(source, condition) {
    return new WhileIterable(condition, source);
}

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