Convert a camelized string into a lowercased one with a custom separator
Example: unicornRainbow → unicorn_rainbow

$ npm install --save decamelize

const decamelize = require('decamelize');

decamelize('unicornRainbow');
//=> 'unicorn_rainbow'

decamelize('unicornRainbow', '-');
//=> 'unicorn-rainbow'

Type: string

Type: string
Default: _

See camelcase for the inverse.

MIT © Sindre Sorhus