@wmfs/j2119/lib/j2119/role_constraints.js

A general-purpose validator generator that uses RFC2119-style assertions as input.

class RoleConstraints {
  constructor () {
    this.constraints = new Map()
  }

  add (role, constraint) {
    if (!this.constraints.has(role)) this.constraints.set(role, [])

    this.constraints.get(role).push(constraint)
  } // add

  getConstraints (role) {
    return this.constraints.has(role)
      ? this.constraints.get(role)
      : []
  } // getConstraints

  toString () {
    let msg = 'Role Constraints: '
    this.constraints.forEach((fields, role) => {
      msg += `\n  ${role} => ${fields.join()}`
    })
    return msg
  } // toString
} // class RoleConstraints

module.exports = () => new RoleConstraints()