type-fest/source/screaming-snake-case.d.ts
Filip Wachowiak a463c30e64
Improve DelimiterCase (#930)
Co-authored-by: Som Shekhar Mukherjee <iamssmkhrj@gmail.com>
2025-02-26 22:42:30 +07:00

25 lines
714 B
TypeScript

import type {SnakeCase} from './snake-case';
import type {WordsOptions} from './words';
/**
Convert a string literal to screaming-snake-case.
This can be useful when, for example, converting a camel-cased object property to a screaming-snake-cased SQL column name.
@example
```
import type {ScreamingSnakeCase} from 'type-fest';
const someVariable: ScreamingSnakeCase<'fooBar'> = 'FOO_BAR';
const someVariableNoSplitOnNumbers: ScreamingSnakeCase<'p2pNetwork', {splitOnNumbers: false}> = 'P2P_NETWORK';
```
@category Change case
@category Template literal
*/
export type ScreamingSnakeCase<
Value,
Options extends WordsOptions = {},
> = Value extends string ? Uppercase<SnakeCase<Value, Options>> : Value;