1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465 |
- import _typeof from "@babel/runtime/helpers/typeof";
- import setPrototypeOf from "./setPrototypeOf.js";
- import inherits from "./inherits.js";
- export default function _wrapRegExp() {
- _wrapRegExp = function _wrapRegExp(re, groups) {
- return new BabelRegExp(re, undefined, groups);
- };
- var _super = RegExp.prototype;
- var _groups = new WeakMap();
- function BabelRegExp(re, flags, groups) {
- var _this = new RegExp(re, flags);
- _groups.set(_this, groups || _groups.get(re));
- return setPrototypeOf(_this, BabelRegExp.prototype);
- }
- inherits(BabelRegExp, RegExp);
- BabelRegExp.prototype.exec = function (str) {
- var result = _super.exec.call(this, str);
- if (result) result.groups = buildGroups(result, this);
- return result;
- };
- BabelRegExp.prototype[Symbol.replace] = function (str, substitution) {
- if (typeof substitution === "string") {
- var groups = _groups.get(this);
- return _super[Symbol.replace].call(this, str, substitution.replace(/\$<([^>]+)>/g, function (_, name) {
- return "$" + groups[name];
- }));
- } else if (typeof substitution === "function") {
- var _this = this;
- return _super[Symbol.replace].call(this, str, function () {
- var args = arguments;
- if (_typeof(args[args.length - 1]) !== "object") {
- args = [].slice.call(args);
- args.push(buildGroups(args, _this));
- }
- return substitution.apply(this, args);
- });
- } else {
- return _super[Symbol.replace].call(this, str, substitution);
- }
- };
- function buildGroups(result, re) {
- var g = _groups.get(re);
- return Object.keys(g).reduce(function (groups, name) {
- groups[name] = result[g[name]];
- return groups;
- }, Object.create(null));
- }
- return _wrapRegExp.apply(this, arguments);
- }
|