2023-10-03 11:14:36 +08:00
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# decamelize-keys [](https://travis-ci.org/dsblv/decamelize-keys)
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> Convert object keys from camelCase to lowercase with a custom separator using [`decamelize`](https://github.com/sindresorhus/decamelize)
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*This project was forked from [`camelcase-keys`](https://github.com/sindresorhus/camelcase-keys) and converted to do the opposite*
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## Install
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```sh
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$ npm install --save decamelize-keys
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```
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## Usage
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```js
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const decamelizeKeys = require('decamelize-keys');
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decamelizeKeys({fooBar: true}, '-');
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//=> {'foo-bar': true}
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```
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## API
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### decamelizeKeys(input, [separator], [options])
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### input
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Type: `object`
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*Required*
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Object to decamelize.
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### separator
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Type: `string`
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Default: `_`
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A string to insert between words.
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### options
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Type: `object`
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#### separator
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Type: `string`
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Default: `_`
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Alternative way to specify [separator](#separator).
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#### exclude
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Type: `array`
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Default: `[]`
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Exclude keys from being decamelized.
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## Related
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See [`camelcase-keys`](https://github.com/sindresorhus/camelcase-keys) for the inverse.
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## License
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MIT © [Sindre Sorhus](http://sindresorhus.com), [Dmirty Sobolev](https://github.com/dsblv)
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