How to use the @lskjs/utils/canonize function in @lskjs/utils

controller.silent = async function (req) {
    const UserModel = ctx.models.UserModel || ctx.models.User;
    const params = req.allParams();
    if (params.username) params.username = canonize(params.username);
    if (params.email) params.email = canonize(params.email);
    const username = `__s${Date.now()}__`;
    const user = new UserModel(Object.assign({
      username,
      type: 'silent',
    }, params));
    await user.save();
    req.user = user;
    return {
      __pack: 1,
      signup: true,
      user: await UserModel.prepare(user, { req, withAppState: true }),
      token: user.generateAuthToken(),
    };
  };
  // get for create

controller.silent = async function (req) {
    const UserModel = ctx.models.UserModel || ctx.models.User;
    const params = req.allParams();
    if (params.username) params.username = canonize(params.username);
    if (params.email) params.email = canonize(params.email);
    const username = `__s${Date.now()}__`;
    const user = new UserModel(Object.assign({
      username,
      type: 'silent',
    }, params));
    await user.save();
    req.user = user;
    return {
      __pack: 1,
      signup: true,
      user: await UserModel.prepare(user, { req, withAppState: true }),
      token: user.generateAuthToken(),
    };
  };
  // get for create

const params = req.allParams();
    if (params.username) {
      return {
        username: canonize(params.username),
      };
    }
    if (params.email) {
      return {
        email: canonize(params.email),
      };
    }
    if (params.login) {
      return {
        $or: [
          {
            username: canonize(params.login),
          },
          {
            email: canonize(params.login),
          },
        ],
      };
    }
    throw this.app.errors.e400('Параметр username, email, login не передан');
  }

controller.getUserCriteria = function (req) {
    const params = req.allParams();
    if (params.username) {
      return {
        username: canonize(params.username),
      };
    }
    if (params.email) {
      return {
        email: canonize(params.email),
      };
    }
    if (params.login) {
      return {
        $or: [
          {
            username: canonize(params.login),
          },
          {
            email: canonize(params.login),
          },

username: canonize(params.username),
      };
    }
    if (params.email) {
      return {
        email: canonize(params.email),
      };
    }
    if (params.login) {
      return {
        $or: [
          {
            username: canonize(params.login),
          },
          {
            email: canonize(params.login),
          },
        ],
      };
    }
    throw this.app.errors.e400('Параметр username, email, login не передан');
  }

getUserCriteria(req) {
    const params = req.allParams();
    if (params.username) {
      return {
        username: canonize(params.username),
      };
    }
    if (params.email) {
      return {
        email: canonize(params.email),
      };
    }
    if (params.login) {
      return {
        $or: [
          {
            username: canonize(params.login),
          },
          {
            email: canonize(params.login),
          },