@kitiumai/utils-ts/dist/types/template.d.ts

Comprehensive TypeScript utilities for KitiumAI projects

/**
 * Template literal type utilities for string manipulation at the type level
 */
/**
 * Convert string to camelCase
 */
export type CamelCase<S extends string> = S extends `${infer P1}_${infer P2}${infer P3}` ? `${Lowercase<P1>}${Uppercase<P2>}${CamelCase<P3>}` : S extends `${infer P1}-${infer P2}${infer P3}` ? `${Lowercase<P1>}${Uppercase<P2>}${CamelCase<P3>}` : S extends `${infer P1} ${infer P2}${infer P3}` ? `${Lowercase<P1>}${Uppercase<P2>}${CamelCase<P3>}` : Lowercase<S>;
/**
 * Convert string to PascalCase
 */
export type PascalCase<S extends string> = Capitalize<CamelCase<S>>;
/**
 * Convert string to kebab-case
 */
export type KebabCase<S extends string> = S extends `${infer C}${infer T}` ? T extends Uncapitalize<T> ? `${Uncapitalize<C>}${KebabCase<T>}` : `${Uncapitalize<C>}-${KebabCase<T>}` : S;
/**
 * Convert string to snake_case
 */
export type SnakeCase<S extends string> = S extends `${infer C}${infer T}` ? T extends Uncapitalize<T> ? `${Uncapitalize<C>}${SnakeCase<T>}` : `${Uncapitalize<C>}_${SnakeCase<T>}` : S;
/**
 * Split string by delimiter
 */
export type Split<S extends string, D extends string> = S extends `${infer T}${D}${infer U}` ? [T, ...Split<U, D>] : [S];
/**
 * Join array of strings with delimiter
 */
export type Join<T extends string[], D extends string> = T extends [infer F, ...infer R] ? F extends string ? R extends string[] ? R['length'] extends 0 ? F : `${F}${D}${Join<R, D>}` : never : never : '';
/**
 * Trim whitespace from start and end
 */
export type Trim<S extends string> = S extends ` ${infer R}` | `${infer R} ` ? Trim<R> : S;
/**
 * Replace first occurrence of From with To
 */
export type Replace<S extends string, From extends string, To extends string> = S extends `${infer L}${From}${infer R}` ? `${L}${To}${R}` : S;
/**
 * Replace all occurrences of From with To
 */
export type ReplaceAll<S extends string, From extends string, To extends string> = S extends `${infer L}${From}${infer R}` ? ReplaceAll<`${L}${To}${R}`, From, To> : S;
/**
 * Get length of string
 */
export type StringLength<S extends string> = Split<S, ''>['length'];
/**
 * Check if string starts with prefix
 */
export type StartsWith<S extends string, Prefix extends string> = S extends `${Prefix}${string}` ? true : false;
/**
 * Check if string ends with suffix
 */
export type EndsWith<S extends string, Suffix extends string> = S extends `${string}${Suffix}` ? true : false;
/**
 * Check if string includes substring
 */
export type Includes<S extends string, Sub extends string> = S extends `${string}${Sub}${string}` ? true : false;
//# sourceMappingURL=template.d.ts.map