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- /**
- * Generate secure URL-friendly unique ID.
- *
- * By default, the ID will have 21 symbols to have a collision probability
- * similar to UUID v4.
- *
- * ```js
- * import { nanoid } from 'nanoid'
- * model.id = nanoid() //=> "Uakgb_J5m9g-0JDMbcJqL"
- * ```
- *
- * @param size Size of the ID. The default size is 21.
- * @returns A random string.
- */
- export function nanoid(size?: number): string
- /**
- * Generate secure unique ID with custom alphabet.
- *
- * Alphabet must contain 256 symbols or less. Otherwise, the generator
- * will not be secure.
- *
- * @param alphabet Alphabet used to generate the ID.
- * @param defaultSize Size of the ID. The default size is 21.
- * @returns A random string generator.
- *
- * ```js
- * const { customAlphabet } = require('nanoid')
- * const nanoid = customAlphabet('0123456789абвгдеё', 5)
- * nanoid() //=> "8ё56а"
- * ```
- */
- export function customAlphabet(
- alphabet: string,
- defaultSize?: number
- ): (size?: number) => string
- /**
- * Generate unique ID with custom random generator and alphabet.
- *
- * Alphabet must contain 256 symbols or less. Otherwise, the generator
- * will not be secure.
- *
- * ```js
- * import { customRandom } from 'nanoid/format'
- *
- * const nanoid = customRandom('abcdef', 5, size => {
- * const random = []
- * for (let i = 0; i < size; i++) {
- * random.push(randomByte())
- * }
- * return random
- * })
- *
- * nanoid() //=> "fbaef"
- * ```
- *
- * @param alphabet Alphabet used to generate a random string.
- * @param size Size of the random string.
- * @param random A random bytes generator.
- * @returns A random string generator.
- */
- export function customRandom(
- alphabet: string,
- size: number,
- random: (bytes: number) => Uint8Array
- ): () => string
- /**
- * URL safe symbols.
- *
- * ```js
- * import { urlAlphabet } from 'nanoid'
- * const nanoid = customAlphabet(urlAlphabet, 10)
- * nanoid() //=> "Uakgb_J5m9"
- * ```
- */
- export const urlAlphabet: string
- /**
- * Generate an array of random bytes collected from hardware noise.
- *
- * ```js
- * import { customRandom, random } from 'nanoid'
- * const nanoid = customRandom("abcdef", 5, random)
- * ```
- *
- * @param bytes Size of the array.
- * @returns An array of random bytes.
- */
- export function random(bytes: number): Uint8Array
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