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import {DelimiterCase} from './delimiter-case';
/**
Convert a string literal to snake-case.
This can be useful when, for example, converting a camel-cased object property to a snake-cased SQL column name.
@example
```
import {SnakeCase} from 'type-fest';
// Simple
const someVariable: SnakeCase<'fooBar'> = 'foo_bar';
// Advanced
type SnakeCasedProps<T> = {
[K in keyof T as SnakeCase<K>]: T[K]
};
interface ModelProps {
isHappy: boolean;
fullFamilyName: string;
foo: number;
}
const dbResult: SnakeCasedProps<ModelProps> = {
'is_happy': true,
'full_family_name': 'Carla Smith',
foo: 123
};
```
*/
export type SnakeCase<Value> = DelimiterCase<Value, '_'>;
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