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48 lines
1.0 KiB
Markdown
48 lines
1.0 KiB
Markdown
5 years ago
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# irregular-plurals [](https://travis-ci.org/sindresorhus/irregular-plurals)
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> Map of nouns to their irregular plural form
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> An irregular plural in this library is defined as a noun that cannot be made plural by applying these rules:
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> - If the noun ends in an "s", "x", "z", "ch" or "sh", add "es"
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> - If the noun ends in a "y" and is preceded by a consonant, drop the "y" and add "ies"
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> - If the noun ends in a "y" and is preceded by a vowel, add "s"
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The list is just a [JSON file](irregular-plurals.json) and can be used wherever.
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## Install
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```
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$ npm install irregular-plurals
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```
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## Usage
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```js
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const irregularPlurals = require('irregular-plurals');
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console.log(irregularPlurals['cactus']);
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//=> 'cacti'
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console.log(irregularPlurals);
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/*
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{
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addendum: 'addenda',
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alga: 'algae',
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…
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}
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*/
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```
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## Related
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- [plur](https://github.com/sindresorhus/plur) - Pluralize a word
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## License
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MIT © [Sindre Sorhus](https://sindresorhus.com)
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