Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 12x 12x 12x 10x 9x 9x 1x 12x 2x 2x 3x 3x 3x 3x 3x 3x 3x 3x 3x 3x 10x 10x 12x 2x 2x 2x 2x 2x | /**
* @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';
// MODULES //
var isObject = require( '@stdlib/assert/is-plain-object' );
var format = require( '@stdlib/string/format' );
var assign = require( '@stdlib/object/assign' );
var Stream = require( './main.js' );
// MAIN //
/**
* Creates a reusable stream factory.
*
* @param {Options} [options] - stream options
* @param {(string|RegExp)} [options.sep=/\r?\n/] - separator used to split streamed data
* @param {boolean} [options.objectMode=false] - specifies whether a stream should operate in object mode
* @param {(string|null)} [options.encoding=null] - specifies how `Buffer` objects should be decoded to `strings`
* @param {NonNegativeNumber} [options.highWaterMark] - specifies the `Buffer` level for when `write()` starts returning `false`
* @param {boolean} [options.allowHalfOpen=false] - specifies whether the stream should remain open even if one side ends
* @param {boolean} [options.writableObjectMode=false] - specifies whether the writable side should be in object mode
* @throws {TypeError} options argument must be an object
* @returns {Function} stream factory
*
* @example
* var opts = {
* 'sep': '\t',
* 'objectMode': true,
* 'encoding': 'utf8'
* };
*
* var factory = streamFactory( opts );
*
* // Create 10 identically configured streams...
* var streams = [];
* var i;
* for ( i = 0; i < 10; i++ ) {
* streams.push( factory() );
* }
*/
function streamFactory( options ) {
var opts;
if ( arguments.length ) {
if ( !isObject( options ) ) {
throw new TypeError( format( 'invalid argument. Options argument must be an object. Value: `%s`.', options ) );
}
opts = assign( {}, options );
} else {
opts = {};
}
return splitStream;
/**
* Creates a transform stream for splitting streamed data.
*
* @private
* @throws {TypeError} must provide valid options
* @returns {SplitStream} split stream
*/
function splitStream() {
return new Stream( opts );
}
}
// EXPORTS //
module.exports = streamFactory;
|