1 | import _typeof from "@babel/runtime/helpers/typeof";
|
---|
2 | import setPrototypeOf from "./setPrototypeOf.js";
|
---|
3 | import inherits from "./inherits.js";
|
---|
4 | export default function _wrapRegExp() {
|
---|
5 | _wrapRegExp = function _wrapRegExp(re, groups) {
|
---|
6 | return new BabelRegExp(re, undefined, groups);
|
---|
7 | };
|
---|
8 |
|
---|
9 | var _super = RegExp.prototype;
|
---|
10 |
|
---|
11 | var _groups = new WeakMap();
|
---|
12 |
|
---|
13 | function BabelRegExp(re, flags, groups) {
|
---|
14 | var _this = new RegExp(re, flags);
|
---|
15 |
|
---|
16 | _groups.set(_this, groups || _groups.get(re));
|
---|
17 |
|
---|
18 | return setPrototypeOf(_this, BabelRegExp.prototype);
|
---|
19 | }
|
---|
20 |
|
---|
21 | inherits(BabelRegExp, RegExp);
|
---|
22 |
|
---|
23 | BabelRegExp.prototype.exec = function (str) {
|
---|
24 | var result = _super.exec.call(this, str);
|
---|
25 |
|
---|
26 | if (result) result.groups = buildGroups(result, this);
|
---|
27 | return result;
|
---|
28 | };
|
---|
29 |
|
---|
30 | BabelRegExp.prototype[Symbol.replace] = function (str, substitution) {
|
---|
31 | if (typeof substitution === "string") {
|
---|
32 | var groups = _groups.get(this);
|
---|
33 |
|
---|
34 | return _super[Symbol.replace].call(this, str, substitution.replace(/\$<([^>]+)>/g, function (_, name) {
|
---|
35 | return "$" + groups[name];
|
---|
36 | }));
|
---|
37 | } else if (typeof substitution === "function") {
|
---|
38 | var _this = this;
|
---|
39 |
|
---|
40 | return _super[Symbol.replace].call(this, str, function () {
|
---|
41 | var args = arguments;
|
---|
42 |
|
---|
43 | if (_typeof(args[args.length - 1]) !== "object") {
|
---|
44 | args = [].slice.call(args);
|
---|
45 | args.push(buildGroups(args, _this));
|
---|
46 | }
|
---|
47 |
|
---|
48 | return substitution.apply(this, args);
|
---|
49 | });
|
---|
50 | } else {
|
---|
51 | return _super[Symbol.replace].call(this, str, substitution);
|
---|
52 | }
|
---|
53 | };
|
---|
54 |
|
---|
55 | function buildGroups(result, re) {
|
---|
56 | var g = _groups.get(re);
|
---|
57 |
|
---|
58 | return Object.keys(g).reduce(function (groups, name) {
|
---|
59 | groups[name] = result[g[name]];
|
---|
60 | return groups;
|
---|
61 | }, Object.create(null));
|
---|
62 | }
|
---|
63 |
|
---|
64 | return _wrapRegExp.apply(this, arguments);
|
---|
65 | } |
---|