@evokegroup/code-generator

Generates codes

Class: CodeGenerator

constructor(args)

Parameter	Type	Default	Description
batchCode	number, string	0	A batch code or length of a randomly generated batch code
batchCodeExclude	string[]	[]	An array of batch codes that the random batch code generator should not allow
chars	string	CodeGenerator.Charset.Microsoft	The set of characters to used to generate codes
length	number	8	The character length of the generated codes
format	string	null	A custom code format. Specify batch code characters with 'b'. Specify other code character with 'x'
dups	string[]	[]	Any previously generated codes that should not be duplicated. Codes must match the batchCode, chars, lenth, and format of those to be generated.

Usage

const CodeGenerator = require('@evokegroup/code-generator');
const generator1 = new CodeGenerator();
const generator2 = new CodeGenerator({
  chars: CodeGenerator.EChars.AlphaUpper | CodeGenerator.EChars.Numeric | CodeGenerator.EChars.Unambiguous,
  length: 8
});
const generator3 = new CodeGenerator({
  batchCode: 2,
  batchCodeExclude: ['BC', '9T', 'HX'],
  chars: CodeGenerator.CharacterSets.Microsoft,
  length: 10,
  format: 'bbxxx-xxxxx'
});

Methods

generate(count) ⇒ Array<string>

Parameter	Type	Default	Description
count	number	1	The number of codes to generate

Usage

const CodeGenerator = require('@evokegroup/code-generator');
const generator = new CodeGenerator({
  characters: CodeGenerator.EChars.AlphaUpper,
  length: 6,
  format: 'xx-xx-xx'
});
const codes = generator.generate(10);

totalCodes() ⇒ Number

The total number of possible codes given the code length, batch code length, and characters.

Static Properties

Charset

Property	Value	Description
Microsoft	2346789BCDFGHJKMPQRTVWXY	The characters Microsoft uses in it's product codes

EChars

See @evokegroup/string-generator -> StringGenerator.EChars