How to use

toPostgres

function

in

Array

describe(`for Array override`, () => {
    beforeEach(() => {
      Array.prototype.toPostgres = () => {
        return new MyType1(88); // testing recursive conversion;
      };
    });
    it(`must covert correctly`, () => {
      expect(pgp.as.format(`$1^`, [1, 2, 3])).toBe(`88.0000`);
    });
    afterEach(() => {
      delete Array.prototype.toPostgres;
    });
  });