@naturalcycles/nodejs-lib/dist/stream/readable/readableForEach.js

Standard library for Node.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.readableForEachSync = exports.readableForEach = void 0;
const js_lib_1 = require("@naturalcycles/js-lib");
const index_1 = require("../../index");
const transformMap_1 = require("../transform/transformMap");
/**
 * Convenience function to do `.forEach` over a Readable.
 * Typed! (unlike default Readable).
 *
 * @experimental
 */
async function readableForEach(readable, mapper, opt = {}) {
    await (0, index_1._pipeline)([
        readable,
        (0, transformMap_1.transformMap)(mapper, { ...opt, predicate: js_lib_1._passNothingPredicate }),
    ]);
}
exports.readableForEach = readableForEach;
/**
 * Convenience function to do `.forEach` over a Readable.
 * Typed! (unlike default Readable).
 *
 * @experimental
 */
async function readableForEachSync(readable, mapper) {
    // async iteration
    let index = 0;
    for await (const item of readable) {
        mapper(item, index++);
    }
}
exports.readableForEachSync = readableForEachSync;