@fav/type.is-string/index.js

Checks whether a value is a string or not.

'use strict';

function isString(value) {
  if (typeof value === 'string') {
    return true;
  }
  if (Object.prototype.toString.call(value) === '[object String]') {
    return true;
  }
  return false;
}

function isNotString(value) {
  return !isString(value);
}

Object.defineProperty(isString, 'not', {
  enumerable: true,
  value: isNotString,
});

module.exports = isString;