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