@shelf/fast-normalize-spaces

fast-normalize-spaces

fast-normalize-spaces

Install

$ yarn add @shelf/fast-normalize-spaces

Usage

const {normalizeSpaces} = require('@shelf/fast-normalize-spaces');

normalizeSpaces('   hello     \n\n\n   \n \n \t world   ');
// 'hello world'

Benchmark

All tests was launched on MacBook Pro 2020:

• CPU: 2 GHz Quad-Core Intel Core i5 10th gen
• RAM: 16 GB 3733 MHz LPDDR4X

Speed

normalize-space-x	@shelf/fast-normalize-spaces	Improvement
~33 kb: 2 994 ops/s, ±2.34%	~33 kb: 3 599 ops/s, ±2.37%	16.81%
~330 kb: 267 ops/s, ±1.66%	~330 kb: 395 ops/s, ±1.89%	32.41%
~3.3 mb: 9 ops/s, ±1.15%	~3.3 mb: 31 ops/s, ±3.76%	70.97%
~33 mb: 1 ops/s, ±12.91%	~33 mb: 3 ops/s, ±2.70%	66.67%

You can run yarn benchmark:speed to test on your own.

Memory usage

Text size	normalize-space-x	@shelf/fast-normalize-spaces	Improvement
33 kb	0.50mb	1.29mb	-
330 kb	6.79mb	2.16mb	3.14x
3.3 mb	77.94mb	12.35mb	6.3x
33 mb	498.12mb	112.62mb	4.42x
100mb	1446.14mb	338.11mb	4.28x
150mb	2003.53mb	506.54mb	3.96x
200mb	2660.09mb	674.83mb	3.94x

The larger the string the faster it gets. Memory usage is approximately 3x than the input data size.

Set TEXT_SIZE variable value you want in the test.sh script and run the following command to test memory usage:

yarn benchmark:memory

See Also

• fast-natural-order-by
• fast-uslug
• fast-chunk-string

Publish

$ git checkout master
$ yarn version
$ yarn publish
$ git push origin master --tags

License

MIT © Shelf