base/node_modules/regenerate-unicode-properties/Script/Limbu.js

const set = require('regenerate')(0x1940);
set.addRange(0x1900, 0x191E).addRange(0x1920, 0x192B).addRange(0x1930, 0x193B).addRange(0x1944, 0x194F);
exports.characters = set;