node_modules/babel-register/node_modules/core-js/modules/_string-context.js


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// helper for String#{startsWith, endsWith, includes}
var isRegExp = require('./_is-regexp');
var defined = require('./_defined');

module.exports = function (that, searchString, NAME) {
  if (isRegExp(searchString)) throw TypeError('String#' + NAME + " doesn't accept regex!");
  return String(defined(that));
};