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