sequency/lib/map.js

Functional sequences for processing iterable data in JavaScript

Object.defineProperty(exports, "__esModule", { value: true });
exports.Map = void 0;
var Sequence_1 = require("./Sequence");
var MapIterator = /** @class */ (function () {
    function MapIterator(transform, iterator) {
        this.transform = transform;
        this.iterator = iterator;
    }
    MapIterator.prototype.next = function (value) {
        var item = this.iterator.next();
        return item.done
            ? { done: true, value: undefined }
            : { done: false, value: this.transform(item.value) };
    };
    return MapIterator;
}());
var Map = /** @class */ (function () {
    function Map() {
    }
    /**
     * Transforms each element into another value by applying the given `transform` function and returns a new sequence.
     *
     * @param {(S) => T} transform
     * @returns {Sequence<T>}
     */
    Map.prototype.map = function (transform) {
        return (0, Sequence_1.createSequence)(new MapIterator(transform, this.iterator));
    };
    return Map;
}());
exports.Map = Map;
//# sourceMappingURL=map.js.map