This node package contains multiple utilies to manage audience codes (ONIX).
$ npm install audiences-utils
Include the library:
var audiences = require("audiences-utils");
By code:
var audience = audiences.byCode("01");
// audience.title -> "General/trade"
By ID:
var audience = audiences.byID('general');
// audience.code -> "01"
All ONIX codes:
audiences.all.onix