text: const {isNil, uniqBy} = require('lodash');
  const semver = require('semver');
  const {isMaintenanceRange} = require('../utils');
  
  const maintenance = {
    filter: ({name, range}) => (!isNil(range) && range !== false) || isMaintenanceRange(name),
    branchValidator: ({range}) => (isNil(range) ? true : isMaintenanceRange(range)),
    branchesValidator: (branches) => uniqBy(branches, ({range}) => semver.validRange(range)).length === branches.length,
  };
  
  const prerelease = {
    filter: ({prerelease}) => !isNil(prerelease) && prerelease !== false,
    branchValidator: ({name, prerelease}) =>
      Boolean(prerelease) && Boolean(semver.valid(`1.0.0-${prerelease === true ? name : prerelease}.1`)),
    branchesValidator: (branches) => uniqBy(branches, 'prerelease').length === branches.length,
  };
  
  const release = {
    filter: (branch) => !maintenance.filter(branch) && !prerelease.filter(branch),
    branchesValidator: (branches) => branches.length <= 3 && branches.length > 0,
  };
  
  module.exports = {maintenance, prerelease, release};
  