escss-estest

escss-estest

100% function coverage makes your life easier.

Installation

  npm install escss-estest

Usage

 // operator mode
 * esTest(1, '<', 5)
 * esTest(5, '>', 1)
 * esTest(1, '<=', 5)
 * esTest(5, '>=', 1)
 * esTest(1, '!==', 2)
 * esTest(1, '===', 1)
 * esTest(1, '===', 100) // error
 * esTest(1, '===', 100, 'foo') // error & message
 *
 * // type mode
 * esTest(1, 'number')
 * esTest(1n, 'bigint')
 * esTest('foo', 'string')
 * esTest(true, 'boolean')
 * esTest([], 'array')
 * esTest({}, 'object')
 * esTest(NaN, 'NaN')
 * esTest(null, 'null')
 * esTest(undefined, 'undefined')
 * esTest(Symbol(), 'symbol')
 * esTest(function () {}, 'function')
 * esTest(1, 'object') // error
 * esTest(1, 'object', 'foo') // error & message

Examples

  // basic
  function sum(a, b) {
    {
      esTest(a, 'number')
      esTest(b, 'number', 'should be number type')
    }

    return a + b
  }

  // async/await
  async function getData() {
    const url = "https://jsonplaceholder.typicode.com/todos/1";
    const response = await fetch(url);
    const json = await response.json();

    {
      esTest(json.completed, 'boolean')
      esTest(json.id, 'number')
      esTest(json.title, 'string')
      esTest(json.userId, 'number')
    }

    console.log(json);
  }

License

Dual Licensing（ Commercial or AGPL 3.0 ）, see here to know more