OVERVIEW

ensurejs is an assertion utility package for nodejs.

CODE EXAMPLE

const ensure = require('ensurejs');

function register(username, password) {
  ensure(username.length).isGreaterThan(6);
  ensure(password).isNotEqualTo('password');
  ...
}

INSTALLATION

npm install ensurejs

API Reference

  // Throws if "x" is not truthy
  ensure(x).isTrue();

  // Throws if "x" is truthy
  ensure(x).isFalse();

  // Throws if "x" is not null or undefined
  ensure(x).isNull();

  // Throws if "x" is null or undefined
  ensure(x).isNotNull();

  // Throws if "x" and "y" are not equal
  ensure(x).isEqualTo(y);

  // Throws if "x" and "y" are equal
  ensure(x).isNotEqualTo(y);

  // Throws if "x" is less than or equal to "y"
  ensure(x).isGreaterThan(y);

  // Throws if "x" is less than "y"
  ensure(x).isGreaterEqualTo(y);

  // Throws if "x" is greater than or equal to "y"
  ensure(x).isLessThan(y);

  // Throws if "x" is greater than "y"
  ensure(x).isLesserEqualTo(y);

  // Throws if "x" is not of type "y"
  ensure(x).isTypeOf(y);

  // Throws if "x" does not contain "y"
  ensure(x).contains(y);

TESTS

Run the unit tests using the below command.

npm test

LICENSE

ISC License