/** * @license Apache-2.0 * * Copyright (c) 2018 The Stdlib Authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ 'use strict'; /** * Writable stream which inspects streamed data. * * @module @stdlib/streams/node/inspect-sink * * @example * var inspectSinkStream = require( '@stdlib/streams/node/inspect-sink' ); * * function log( chunk, idx ) { * console.log( 'index: %d', idx ); * console.log( chunk ); * } * * var stream = inspectSinkStream( log ); * * stream.write( 'a' ); * stream.write( 'b' ); * stream.write( 'c' ); * * stream.end(); * * // prints: index: 0 * // prints: a * // prints: index: 1 * // prints: b * // prints: index: 2 * // prints: c * * * @example * var inspectSinkStream = require( '@stdlib/streams/node/inspect-sink' ); * * function log( chunk, idx ) { * console.log( 'index: %d', idx ); * console.log( chunk ); * } * * var stream = inspectSinkStream.objectMode( log ); * * stream.write( {'value': 'a'} ); * stream.write( {'value': 'b'} ); * stream.write( {'value': 'c'} ); * * stream.end(); * * // prints: index: 0 * // prints: {'value': 'a'} * // prints: index: 1 * // prints: {'value': 'b'} * // prints: index: 2 * // prints: {'value': 'c'} * * @example * var inspectSinkStream = require( '@stdlib/streams/node/inspect-sink' ); * * function log( chunk, idx ) { * console.log( 'index: %d', idx ); * console.log( chunk ); * } * * var opts = { * 'objectMode': true, * 'highWaterMark': 64 * }; * * var factory = inspectSinkStream.factory( opts ); * * // Create 10 identically configured streams... * var streams = []; * var i; * for ( i = 0; i < 10; i++ ) { * streams.push( factory( log ) ); * } */ // MODULES // var setReadOnly = require( '@stdlib/utils/define-nonenumerable-read-only-property' ); var stream = require( './main.js' ); var objectMode = require( './object_mode.js' ); var factory = require( './factory.js' ); // MAIN // setReadOnly( stream, 'objectMode', objectMode ); setReadOnly( stream, 'factory', factory ); // EXPORTS // module.exports = stream;