├── .gitignore
├── LICENSE
├── README.md
├── bin.js
└── package.json


/.gitignore:
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1 | node_modules
2 | sandbox.js
3 | 


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/LICENSE:
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 1 | The MIT License (MIT)
 2 | 
 3 | Copyright (c) 2019 Mathias Buus
 4 | 
 5 | Permission is hereby granted, free of charge, to any person obtaining a copy
 6 | of this software and associated documentation files (the "Software"), to deal
 7 | in the Software without restriction, including without limitation the rights
 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 9 | copies of the Software, and to permit persons to whom the Software is
10 | furnished to do so, subject to the following conditions:
11 | 
12 | The above copyright notice and this permission notice shall be included in
13 | all copies or substantial portions of the Software.
14 | 
15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
21 | THE SOFTWARE.
22 | 


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/README.md:
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 1 | # lines-per-second
 2 | 
 3 | CLI tool that counts how many lines per second is written to it
 4 | 
 5 | ```
 6 | npm install -g lines-per-second
 7 | ```
 8 | 
 9 | ## Usage
10 | 
11 | ``` sh
12 | # just pipe a program to lps and it will start counting lines written per second
13 | ./some-program-that-prints | lps
14 | ```
15 | 
16 | ## License
17 | 
18 | MIT
19 | 


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/bin.js:
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 1 | #!/usr/bin/env node
 2 | 
 3 | const split = require('split2')
 4 | const speedometer = require('speedometer')
 5 | const { EOL } = require('os')
 6 | 
 7 | const speed = speedometer()
 8 | 
 9 | let max = 0
10 | const barLength = 15
11 | 
12 | process.stdin
13 |   .pipe(split(map))
14 |   .pipe(process.stdout)
15 | 
16 | function map (line) {
17 |   const s = speed(1)
18 |   return getBar(s) + ' - ' + s.toFixed(1) + ' lines/s - ' + line + EOL
19 | }
20 | 
21 | function getBar (s) {
22 |   if (s > max) max = s
23 |   const percentage = s / max
24 |   const proportion = (percentage * barLength).toFixed(0)
25 |   const bar = []
26 |   for (let index = 0; index < barLength; index++) {
27 |     bar[index] = index <= proportion ? '█' : '░';
28 | 
29 |   }
30 |   return bar.join('')
31 | }
32 | 


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/package.json:
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 1 | {
 2 |   "name": "lines-per-second",
 3 |   "version": "1.1.0",
 4 |   "description": "CLI tool that counts how many lines per second is written to it",
 5 |   "main": "bin.js",
 6 |   "dependencies": {
 7 |     "speedometer": "^1.1.0",
 8 |     "split2": "^3.1.1"
 9 |   },
10 |   "devDependencies": {
11 |     "standard": "^13.1.0"
12 |   },
13 |   "scripts": {
14 |     "test": "standard"
15 |   },
16 |   "bin": {
17 |     "lps": "./bin.js"
18 |   },
19 |   "repository": {
20 |     "type": "git",
21 |     "url": "https://github.com/mafintosh/lines-per-second.git"
22 |   },
23 |   "author": "Mathias Buus (@mafintosh)",
24 |   "license": "MIT",
25 |   "bugs": {
26 |     "url": "https://github.com/mafintosh/lines-per-second/issues"
27 |   },
28 |   "homepage": "https://github.com/mafintosh/lines-per-second"
29 | }
30 | 


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