index.ts

import Roles from './roles';

interface RolesData {
  name: string;
  permissions?: Array<string>;
}

class RBAC {
  private roles: Array<Roles>;

  constructor() {
    this.roles = [];
  }

  blockPermission(name: string): void {

  }

  can(roleName: string, permission: string): boolean {
    const roleResult = this.getRole(roleName);

    return !!roleResult?.permissions.find((role) => role === permission);
  }

  createRole(name: string, permission: Array<string> = []): Roles {
    const role = new Roles(name, permission);

    this.roles.push(role);

    return role;
  }

  createRoles(rolesData: RolesData[]): void {
    rolesData.forEach((role) => {
      this.createRole(role.name, role.permissions);
    });
  }

  getRole(name: string): Roles | undefined {
    return this.roles.find((role) => role.name === name);
  }

  getRoles(): Array<string> {
    const roles: Array<string> = [];

    this.roles.forEach((role) => {
      roles.push(role.name);
    });

    return roles;
  }

  hasPermission(permission: string): boolean {
    return this.roles.some((role) => role.permissions.find((access) => access === permission));
  }

  hasRole(name: string): boolean {
    return !!this.getRole(name);
  }

  removeRole(name: string): void {
    this.roles = this.roles.filter((role) => role.name !== name);
  }
}

export default RBAC;