stream-line-wrapper

0.1.1 • Public • Published

Stream line wrapper Build Status

Wrap each lines of a stream with a prefix, suffix or a custom function.

Usage

var childProcess = require('child_process');
var LineWrapper = require('stream-line-wrapper');
var ls = childProcess.exec('ls');
 
var lineWrapper = new LineWrapper({ prefix: '-- ' });
ls.stdout.pipe(lineWrapper).pipe(process.stdout);
 
// -- file1.js
// -- file2.js
// -- file3.js

Options

prefix

Prefix each lines with a string.

var lineWrapper = new LineWrapper({ prefix: '-- ' });
ls.stdout.pipe(lineWrapper).pipe(process.stdout);
 
// -- file1.js

suffix

Suffix each lines with a string.

var lineWrapper = new LineWrapper({ suffix: ' @' });
ls.stdout.pipe(lineWrapper).pipe(process.stdout);
 
// file1.js @

wrapper

Use a function to wrapper each lines.

var lineWrapper = new LineWrapper({ wrapper: countChars });
 
/**
 * Prefix each lines with char count.
 *
 * @param {String} line 
 * @param {Function} cb 
 */
 
function countChars(line, cb) {
  return cb(null, '(' + line.length + '' + line);
}
 
ls.stdout.pipe(lineWrapper).pipe(process.stdout);
 
// (8) file1.js

License

MIT

Readme

Keywords

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Install

npm i stream-line-wrapper

Weekly Downloads

6,207

Version

0.1.1

License

MIT

Last publish

Collaborators

  • neoziro