Files F99492021

wrapRegExp.js
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Created: Sat, Jan 25, 00:03

wrapRegExp.js
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	import _typeof from "@babel/runtime/helpers/esm/typeof";
	import wrapNativeSuper from "@babel/runtime/helpers/esm/wrapNativeSuper";
	import getPrototypeOf from "@babel/runtime/helpers/esm/getPrototypeOf";
	import possibleConstructorReturn from "@babel/runtime/helpers/esm/possibleConstructorReturn";
	import inherits from "@babel/runtime/helpers/esm/inherits";
	export default function _wrapRegExp(re, groups) {
	_wrapRegExp = function _wrapRegExp(re, groups) {
	return new BabelRegExp(re, undefined, groups);
	};

	var _RegExp = wrapNativeSuper(RegExp);

	var _super = RegExp.prototype;

	var _groups = new WeakMap();

	function BabelRegExp(re, flags, groups) {
	var _this = _RegExp.call(this, re, flags);

	_groups.set(_this, groups \|\| _groups.get(re));

	return _this;
	}

	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 = [];
	args.push.apply(args, arguments);

	if (_typeof(args[args.length - 1]) !== "object") {
	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);
	}

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