time-to-botec

Benchmark sampling in different programming languages
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index.js (2539B)


      1 /**
      2 * @license Apache-2.0
      3 *
      4 * Copyright (c) 2018 The Stdlib Authors.
      5 *
      6 * Licensed under the Apache License, Version 2.0 (the "License");
      7 * you may not use this file except in compliance with the License.
      8 * You may obtain a copy of the License at
      9 *
     10 *    http://www.apache.org/licenses/LICENSE-2.0
     11 *
     12 * Unless required by applicable law or agreed to in writing, software
     13 * distributed under the License is distributed on an "AS IS" BASIS,
     14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     15 * See the License for the specific language governing permissions and
     16 * limitations under the License.
     17 */
     18 
     19 'use strict';
     20 
     21 /**
     22 * Writable stream which inspects streamed data.
     23 *
     24 * @module @stdlib/streams/node/inspect-sink
     25 *
     26 * @example
     27 * var inspectSinkStream = require( '@stdlib/streams/node/inspect-sink' );
     28 *
     29 * function log( chunk, idx ) {
     30 *     console.log( 'index: %d', idx );
     31 *     console.log( chunk );
     32 * }
     33 *
     34 * var stream = inspectSinkStream( log );
     35 *
     36 * stream.write( 'a' );
     37 * stream.write( 'b' );
     38 * stream.write( 'c' );
     39 *
     40 * stream.end();
     41 *
     42 * // prints: index: 0
     43 * // prints: a
     44 * // prints: index: 1
     45 * // prints: b
     46 * // prints: index: 2
     47 * // prints: c
     48 *
     49 *
     50 * @example
     51 * var inspectSinkStream = require( '@stdlib/streams/node/inspect-sink' );
     52 *
     53 * function log( chunk, idx ) {
     54 *     console.log( 'index: %d', idx );
     55 *     console.log( chunk );
     56 * }
     57 *
     58 * var stream = inspectSinkStream.objectMode( log );
     59 *
     60 * stream.write( {'value': 'a'} );
     61 * stream.write( {'value': 'b'} );
     62 * stream.write( {'value': 'c'} );
     63 *
     64 * stream.end();
     65 *
     66 * // prints: index: 0
     67 * // prints: {'value': 'a'}
     68 * // prints: index: 1
     69 * // prints: {'value': 'b'}
     70 * // prints: index: 2
     71 * // prints: {'value': 'c'}
     72 *
     73 * @example
     74 * var inspectSinkStream = require( '@stdlib/streams/node/inspect-sink' );
     75 *
     76 * function log( chunk, idx ) {
     77 *     console.log( 'index: %d', idx );
     78 *     console.log( chunk );
     79 * }
     80 *
     81 * var opts = {
     82 *     'objectMode': true,
     83 *     'highWaterMark': 64
     84 * };
     85 *
     86 * var factory = inspectSinkStream.factory( opts );
     87 *
     88 * // Create 10 identically configured streams...
     89 * var streams = [];
     90 * var i;
     91 * for ( i = 0; i < 10; i++ ) {
     92 *     streams.push( factory( log ) );
     93 * }
     94 */
     95 
     96 
     97 // MODULES //
     98 
     99 var setReadOnly = require( '@stdlib/utils/define-nonenumerable-read-only-property' );
    100 var stream = require( './main.js' );
    101 var objectMode = require( './object_mode.js' );
    102 var factory = require( './factory.js' );
    103 
    104 
    105 // MAIN //
    106 
    107 setReadOnly( stream, 'objectMode', objectMode );
    108 setReadOnly( stream, 'factory', factory );
    109 
    110 
    111 // EXPORTS //
    112 
    113 module.exports = stream;