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

The Interactive Extensions for JavaScript

import { __extends, __generator } from "tslib";
import { IterableX } from './iterablex.js';
var GenerateIterable = /** @class */ (function (_super) {
    __extends(GenerateIterable, _super);
    function GenerateIterable(initialState, condition, iterate, resultSelector) {
        var _this = _super.call(this) || this;
        _this._initialState = initialState;
        _this._condition = condition;
        _this._iterate = iterate;
        _this._resultSelector = resultSelector;
        return _this;
    }
    GenerateIterable.prototype[Symbol.iterator] = function () {
        var i;
        return __generator(this, function (_a) {
            switch (_a.label) {
                case 0:
                    i = this._initialState;
                    _a.label = 1;
                case 1:
                    if (!this._condition(i)) return [3 /*break*/, 4];
                    return [4 /*yield*/, this._resultSelector(i)];
                case 2:
                    _a.sent();
                    _a.label = 3;
                case 3:
                    i = this._iterate(i);
                    return [3 /*break*/, 1];
                case 4: return [2 /*return*/];
            }
        });
    };
    return GenerateIterable;
}(IterableX));
/**
 * Generates an iterable sequence by running a state-driven loop producing the sequence's elements.
 *
 * @template TState The type of the state used in the generator loop.
 * @template TResult The type of the elements in the produced sequence.
 * @param {TState} initialState The initial state.
 * @param {((value: TState) => boolean)} condition Condition to terminate generation (upon returning false).
 * @param {((value: TState) => TState)} iterate Iteration step function.
 * @param {((value: TState) => TResult)} resultSelector Selector function for results produced in
 * the sequence.
 * @returns {IterableX<TResult>} The generated iterable sequence.
 */
export function generate(initialState, condition, iterate, resultSelector) {
    return new GenerateIterable(initialState, condition, iterate, resultSelector);
}

//# sourceMappingURL=generate.js.map