deno.land / x / froebel@v0.23.2 / prefix.ts
1234567891011121314151617181920212223242526import { capitalize } from "./case.ts";import type { Prefix, StringCase } from "./types.ts";
/** * Returns `str` prefixed with `prefix`. Optionally, allows prefxing in camel * case, i.e. `prefix('foo', 'bar', 'camel') => 'fooBar'`, or snake case, i.e. * `prefix('foo', 'bar', 'snake') => 'foo_bar'`. * * The result is strictly typed, so `prefix('foo', 'bar')` will return the type * `'foobar'`, not just a generic `string`. */const prefix = < T0 extends string, T1 extends string, C extends StringCase | void = void,>( prefix: T0, str: T1, caseMod?: C,): Prefix<T1, T0, C> => `${prefix}${caseMod === "snake" ? "_" : ""}${ caseMod === "camel" ? capitalize(str) : str }` as any;
export default prefix;
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