MobileNumberT

mobile.test.ts

import { isRight } from "fp-ts/lib/Either";
import { MobileNumberFromString, PatternString } from "../strings";

describe("MobileNumberFromString", () => {
  it("should fail", () => {
    const ps = MobileNumberFromString.decode("ABCD");
    expect(isRight(ps)).toBeFalsy();
  });
  it("should success", () => {
    const ps = MobileNumberFromString.decode("123456789");
    expect(isRight(ps)).toBeTruthy();
  });
  it("should fail", () => {
    const ps = MobileNumberFromString.decode("12345678");
    expect(isRight(ps)).toBeFalsy();
  });
  it("should success", () => {
    const ps = MobileNumberFromString.decode("123 45 67 89");
    expect(isRight(ps)).toBeTruthy();
  });
  it("should success", () => {
    const ps = MobileNumberFromString.decode("123asdad45$%&/(67 89");
    expect(isRight(ps)).toBeTruthy();
    if (isRight(ps)) {
      expect(ps.right).toEqual("123456789");
    }
  });
});

mobile.ts

export const MobileNumber = PatternString("^[0-9]{9,10}$");
export type MobileNumber = t.TypeOf<typeof MobileNumber>;

export const MobileNumberFromString = new t.Type<MobileNumber, string>(
  "MobileNumberFromString",
  MobileNumber.is,
  (m, c) =>
    pipe(
      t.string.validate(m, c),
      E.map(s => s.replace(/[^0-9]/g, "")),
      E.chain(s => MobileNumber.validate(s, c))
    ),
  String
);
export type MobileNumberFromString = t.TypeOf<typeof MobileNumberFromString>;