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https://github.com/words/syllable

Count syllables in an English word
https://github.com/words/syllable

count language natural syllable syllables

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Count syllables in an English word

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README 

        
# syllable



[![Build][build-badge]][build]

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Count syllables in an English word.



## Contents



*   [What is this?](#what-is-this)

*   [When should I use this?](#when-should-i-use-this)

*   [Install](#install)

*   [Use](#use)

*   [API](#api)

    *   [`syllable(value)`](#syllablevalue)

*   [CLI](#cli)

*   [Types](#types)

*   [Compatibility](#compatibility)

*   [Related](#related)

*   [Contribute](#contribute)

*   [Security](#security)

*   [Notice](#notice)

*   [License](#license)



## What is this?



This package estimates how many syllables are in an English word.



## When should I use this?



Use this when you want to do fun things with natural language, like rhyming,

detecting reading ease, etc.



## Install



This package is [ESM only][esm].

In Node.js (version 14.14+, 16.0+), install with [npm][]:



```sh

npm install syllable

```



In Deno with [`esm.sh`][esmsh]:



```js

import {syllable} from 'https://esm.sh/syllable@5'

```



In browsers with [`esm.sh`][esmsh]:



```html



  import {syllable} from 'https://esm.sh/syllable@5?bundle'



```



## Use



```js

import {syllable} from 'syllable'



syllable('syllable') // 3

syllable('unicorn') // 3

syllable('hi') // 1

syllable('hihi') // 2

syllable('mmmmmmmmmmmmmmmm') // 1

syllable('wine') // 1

syllable('bottle') // 2

syllable('wine-bottle') // 3

syllable('Åland') // 2

```



## API



This package exports the identifier `syllable`.

There is no default export.



### `syllable(value)`



Get the number of syllables in `value`.



###### `value`



Value to check (`string`, required).



##### Returns



Syllables in `value` (`number`).



## CLI



```txt

Usage: syllable [options] 



Count syllables in English words



Options:



  -h, --help           output usage information

  -v, --version        output version number



Usage:



# output syllables

$ syllable syllable unicorn

# 6



# output syllables from stdin

$ echo "syllable unicorn banana" | syllable

# 9

```



## Types



This package is fully typed with [TypeScript][].

It exports no additional types.



## Compatibility



This package is at least compatible with all maintained versions of Node.js.

As of now, that is Node.js 14.14+ and 16.0+.

It also works in Deno and modern browsers.



## Related



*   [`automated-readability`](https://github.com/words/automated-readability)

    — formula to detect ease of reading according to the Automated Readability

    Index (1967)

*   [`buzzwords`](https://github.com/words/buzzwords)

    — list of buzzwords

*   [`coleman-liau`](https://github.com/words/coleman-liau)

    — formula to detect the ease of reading a text according to the Coleman-Liau

    index (1975)

*   [`cuss`](https://github.com/words/cuss)

    — map of profane words to a rating of sureness

*   [`dale-chall`](https://github.com/words/dale-chall)

    — list of easy American-English words: The New Dale-Chall (1995)

*   [`dale-chall-formula`](https://github.com/words/dale-chall-formula)

    — formula to find the grade level according to the (revised) Dale–Chall

    Readability Formula (1995)

*   [`fillers`](https://github.com/words/fillers)

    — list of filler words

*   [`flesch`](https://github.com/words/flesch)

    — formula to detect the ease of reading a text according to Flesch Reading

    Ease (1975)

*   [`flesch-kincaid`](https://github.com/words/flesch-kincaid)

    — formula to detect the grade level of text according to Flesch–Kincaid

    Grade Level (1975)

*   [`gunning-fog`](https://github.com/words/gunning-fog)

    — formula to detect the ease of reading a text according to the Gunning fog

    index (1952)

*   [`hedges`](https://github.com/words/hedges)

    — list of hedge words

*   [`profanities`](https://github.com/words/profanities)

    — list of profane words

*   [`smog-formula`](https://github.com/words/smog-formula)

    — formula to detect the ease of reading a text according to the SMOG

    (Simple Measure of Gobbledygook) formula (1969)

*   [`spache`](https://github.com/words/spache)

    — list of familiar American-English words (1974)

*   [`spache-formula`](https://github.com/words/spache-formula)

    — uses a dictionary, suited for lower reading levels

*   [`weasels`](https://github.com/words/weasels)

    — formula to detect the grade level of text according to the (revised)

    Spache Readability Formula (1974)



## Contribute



Yes please!

See [How to Contribute to Open Source][contribute].



## Security



This package is safe.



## Notice



Based on the syllable functionality found in [`Text-Statistics`][stats] (PHP),

in turn inspired by [`Lingua::EN::Syllable`][lingua] (Perl).



Support for word-breaks, non-ASCII characters, and many fixes added later.



## License



[MIT][license] © [Titus Wormer][author]



[build-badge]: https://github.com/words/syllable/workflows/main/badge.svg



[build]: https://github.com/words/syllable/actions



[coverage-badge]: https://img.shields.io/codecov/c/github/words/syllable.svg



[coverage]: https://codecov.io/github/words/syllable



[downloads-badge]: https://img.shields.io/npm/dm/syllable.svg



[downloads]: https://www.npmjs.com/package/syllable



[size-badge]: https://img.shields.io/bundlephobia/minzip/syllable.svg



[size]: https://bundlephobia.com/result?p=syllable



[npm]: https://docs.npmjs.com/cli/install



[esm]: https://gist.github.com/sindresorhus/a39789f98801d908bbc7ff3ecc99d99c



[esmsh]: https://esm.sh



[typescript]: https://www.typescriptlang.org



[contribute]: https://opensource.guide/how-to-contribute/



[license]: license



[author]: https://wooorm.com



[stats]: https://github.com/DaveChild/Text-Statistics



[lingua]: https://metacpan.org/pod/Lingua::EN::Syllable