maximize-iterator/dist/cjs/worker.js

Maximize the parallel calls of an iterator supporting asyncIterator interface

"use strict";
Object.defineProperty(exports, "__esModule", {
    value: true
});
Object.defineProperty(exports, "default", {
    enumerable: true,
    get: function() {
        return worker;
    }
});
var _iteratornextcallback = /*#__PURE__*/ _interop_require_default(require("iterator-next-callback"));
var _createProcessorts = /*#__PURE__*/ _interop_require_default(require("./createProcessor.js"));
function _interop_require_default(obj) {
    return obj && obj.__esModule ? obj : {
        default: obj
    };
}
var DEFAULT_CONCURRENCY = 4096;
var DEFAULT_LIMIT = Infinity;
function worker(iterator, each, options_, callback) {
    var options = {
        callbacks: options_.callbacks,
        concurrency: options_.concurrency || DEFAULT_CONCURRENCY,
        limit: options_.limit || DEFAULT_LIMIT,
        // default is exit on error
        error: options_.error || function() {
            return true;
        },
        each: each,
        canProcess: options_.canProcess || function() {
            return true;
        },
        total: 0,
        counter: 0,
        done: false
    };
    var processor = (0, _createProcessorts.default)((0, _iteratornextcallback.default)(iterator), options, function(err) {
        options = null;
        processor = null;
        callback(err);
    });
    processor();
}
/* CJS INTEROP */ if (exports.__esModule && exports.default) { try { Object.defineProperty(exports.default, '__esModule', { value: true }); for (var key in exports) { exports.default[key] = exports[key]; } } catch (_) {}; module.exports = exports.default; }