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55 lines
1.9 KiB
55 lines
1.9 KiB
var _typeof = require("./typeof.js")["default"]; |
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var setPrototypeOf = require("./setPrototypeOf.js"); |
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var inherits = require("./inherits.js"); |
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function _wrapRegExp() { |
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module.exports = _wrapRegExp = function _wrapRegExp(re, groups) { |
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return new BabelRegExp(re, void 0, groups); |
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}, module.exports.__esModule = true, module.exports["default"] = module.exports; |
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var _super = RegExp.prototype, |
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_groups = new WeakMap(); |
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function BabelRegExp(re, flags, groups) { |
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var _this = new RegExp(re, flags); |
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return _groups.set(_this, groups || _groups.get(re)), setPrototypeOf(_this, BabelRegExp.prototype); |
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} |
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function buildGroups(result, re) { |
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var g = _groups.get(re); |
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return Object.keys(g).reduce(function (groups, name) { |
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return groups[name] = result[g[name]], groups; |
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}, Object.create(null)); |
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} |
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return inherits(BabelRegExp, RegExp), BabelRegExp.prototype.exec = function (str) { |
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var result = _super.exec.call(this, str); |
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return result && (result.groups = buildGroups(result, this)), result; |
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}, BabelRegExp.prototype[Symbol.replace] = function (str, substitution) { |
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if ("string" == typeof substitution) { |
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var groups = _groups.get(this); |
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return _super[Symbol.replace].call(this, str, substitution.replace(/\$<([^>]+)>/g, function (_, name) { |
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return "$" + groups[name]; |
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})); |
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} |
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if ("function" == typeof substitution) { |
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var _this = this; |
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return _super[Symbol.replace].call(this, str, function () { |
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var args = arguments; |
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return "object" != _typeof(args[args.length - 1]) && (args = [].slice.call(args)).push(buildGroups(args, _this)), substitution.apply(this, args); |
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}); |
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} |
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return _super[Symbol.replace].call(this, str, substitution); |
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}, _wrapRegExp.apply(this, arguments); |
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} |
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module.exports = _wrapRegExp, module.exports.__esModule = true, module.exports["default"] = module.exports; |