Charset utilities. Contains helper functions related to charset.

Installation

npm install charset-utils
# Or
yarn add charset-utils

Usage

const { getIndexVal } = require('charset-utils');
// Or
const getIndexVal = require('charset-utils/libs/getIndexVal');

getIndexVal(100, 'abcdefghijklmnopqrstuvwxyz');
// Output: dw

Available Function

getIndexVal(index, charset) string

• index - Desired index value
• charset - Target charset

Get charset value based on the index entered. Example:

getIndexVal(1502, '0123456789');
// Output: 1502

getIndexVal(2, 'abcdef');
// Output: c

getIndexVal(25, 'abcdefghijklmnopqrstuvwxyz');
// Output: z

getIndexVal(26, 'abcdefghijklmnopqrstuvwxyz');
// Output: ba

// With .padStart
getIndexVal(6, '0123456789').padStart(4, '0');
// Output: 0006

randomIntInclusive(min, max) number

• min - Minimal random value will be generated (inclusive)
• max - Max random value will be generated (inclusive)

Generate random number with min(inclusive) and max(inclusive). Example:

randomIntInclusive(0, 5);
// Output: 4

randomIntInclusive(0, 5);
// Output: 0

randomIntInclusive(0, 8);
// Output: 8

shuffleCharset(charset) string

• charset - Target charset

Randomize the entered charset. Example:

shuffleCharset('abc');
// Output: bca

shuffleCharset('abcd');
// Output: dacb

shuffleCharset('0123456');
// Output: 214653