nanoid_custom.txt

/*
* @HISTORY
* Created 08-28-2024 by Nick Cheatwood
*
* @PURPOSE
* Generates a nanoid using specified length and custom alphabet
* 
* @NOTES
* See: https://github.com/ai/nanoid
*
* @PARAMETERS
* id_length: the length of the nanoid to be generated
* alphabet: the custom alphabet to use when generating the nanoid
*
* @USAGE
* nanoid_custom( 21 ; "_-0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ" )
*/

Let([

/* Length of the ID */
len = id_length;

/* Custom alphabet */
alphabet = alphabet;

/* Length of the custom alphabet */
charCount = Length ( alphabet );

/* Generate fn */
Generate = While (

/* Init variables */
[ i = 1 ; result = "" ]; 

/* Iterator (execute while this statement is truthy) */
i <= len; 

[ 
  /* Build nanoid using random character from alphabet */
  result = result & Middle(alphabet; Int ( Random * charCount ) + 1 ; 1 ); 

  /* Increment index */
  i = i + 1 
]; 

/* Result */
result 

) /* End While() */

];

/* Generate nanoid */
Generate

)