sequency/lib/chunk.js

Functional sequences for processing iterable data in JavaScript

Object.defineProperty(exports, "__esModule", { value: true });
exports.Chunk = void 0;
var Chunk = /** @class */ (function () {
    function Chunk() {
    }
    /**
     * Splits the elements of the sequence into arrays which length is determined by
     * the given `chunkSize` and returns all chunks as array.
     *
     * @param {number} chunkSize
     * @returns {Array<Array<T>>}
     */
    Chunk.prototype.chunk = function (chunkSize) {
        if (chunkSize < 1) {
            throw new Error("chunkSize must be > 0 but is " + chunkSize);
        }
        var result = [];
        var index = 0;
        for (var item = this.iterator.next(); !item.done; item = this.iterator.next()) {
            var chunkIndex = Math.floor(index / chunkSize);
            if (result[chunkIndex] == null) {
                result[chunkIndex] = [item.value];
            }
            else {
                result[chunkIndex].push(item.value);
            }
            index++;
        }
        return result;
    };
    return Chunk;
}());
exports.Chunk = Chunk;
//# sourceMappingURL=chunk.js.map