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- import _typeof from "./typeof.js";
- import setPrototypeOf from "./setPrototypeOf.js";
- import inherits from "./inherits.js";
- export default function _wrapRegExp() {
- _wrapRegExp = function _wrapRegExp(re, groups) {
- return new BabelRegExp(re, void 0, groups);
- };
- var _super = RegExp.prototype,
- _groups = new WeakMap();
- function BabelRegExp(re, flags, groups) {
- var _this = new RegExp(re, flags);
- return _groups.set(_this, groups || _groups.get(re)), setPrototypeOf(_this, BabelRegExp.prototype);
- }
- function buildGroups(result, re) {
- var g = _groups.get(re);
- return Object.keys(g).reduce(function (groups, name) {
- var i = g[name];
- if ("number" == typeof i) groups[name] = result[i];else {
- for (var k = 0; void 0 === result[i[k]] && k + 1 < i.length;) k++;
- groups[name] = result[i[k]];
- }
- return groups;
- }, Object.create(null));
- }
- return inherits(BabelRegExp, RegExp), BabelRegExp.prototype.exec = function (str) {
- var result = _super.exec.call(this, str);
- if (result) {
- result.groups = buildGroups(result, this);
- var indices = result.indices;
- indices && (indices.groups = buildGroups(indices, this));
- }
- return result;
- }, BabelRegExp.prototype[Symbol.replace] = function (str, substitution) {
- if ("string" == typeof substitution) {
- var groups = _groups.get(this);
- return _super[Symbol.replace].call(this, str, substitution.replace(/\$<([^>]+)>/g, function (_, name) {
- var group = groups[name];
- return "$" + (Array.isArray(group) ? group.join("$") : group);
- }));
- }
- if ("function" == typeof substitution) {
- var _this = this;
- return _super[Symbol.replace].call(this, str, function () {
- var args = arguments;
- return "object" != _typeof(args[args.length - 1]) && (args = [].slice.call(args)).push(buildGroups(args, _this)), substitution.apply(this, args);
- });
- }
- return _super[Symbol.replace].call(this, str, substitution);
- }, _wrapRegExp.apply(this, arguments);
- }
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