babel-core/lib/babel/transformation/transformers/es6/unicode-regex.js

Turn ES6 code into readable vanilla ES5 with source maps

"use strict";

var _interopRequire = function (obj) { return obj && obj.__esModule ? obj["default"] : obj; };

exports.check = check;
exports.Literal = Literal;

var rewritePattern = _interopRequire(require("regexpu/rewrite-pattern"));

var pull = _interopRequire(require("lodash/array/pull"));

var t = _interopRequire(require("../../../types"));

function check(node) {
  return t.isLiteral(node) && node.regex && node.regex.flags.indexOf("u") >= 0;
}

function Literal(node) {
  var regex = node.regex;
  if (!regex) return;

  var flags = regex.flags.split("");
  if (regex.flags.indexOf("u") < 0) return;
  pull(flags, "u");

  regex.pattern = rewritePattern(regex.pattern, regex.flags);
  regex.flags = flags.join("");
}
exports.__esModule = true;