From de98e0b232509d5f40c135d540a70e415272ff85 Mon Sep 17 00:00:00 2001
From: Florian Dold <florian.dold@gmail.com>
Date: Wed, 3 May 2017 15:35:00 +0200
Subject: node_modules

---
 node_modules/enhanced-resolve/lib/globToRegExp.js | 188 ++++++++++++++++++++++
 1 file changed, 188 insertions(+)
 create mode 100644 node_modules/enhanced-resolve/lib/globToRegExp.js

(limited to 'node_modules/enhanced-resolve/lib/globToRegExp.js')

diff --git a/node_modules/enhanced-resolve/lib/globToRegExp.js b/node_modules/enhanced-resolve/lib/globToRegExp.js
new file mode 100644
index 000000000..7b97a6924
--- /dev/null
+++ b/node_modules/enhanced-resolve/lib/globToRegExp.js
@@ -0,0 +1,188 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+function globToRegExp(glob) {
+	// * [^\\\/]*
+	// /**/ /.+/
+	// ^* \./.+ (concord special)
+	// ? [^\\\/]
+	// [!...] [^...]
+	// [^...] [^...]
+	// / [\\\/]
+	// {...,...} (...|...)
+	// ?(...|...) (...|...)?
+	// +(...|...) (...|...)+
+	// *(...|...) (...|...)*
+	// @(...|...) (...|...)
+	if(/^\(.+\)$/.test(glob)) {
+		// allow to pass an RegExp in brackets
+		return new RegExp(glob.substr(1, glob.length - 2));
+	}
+	var tokens = tokenize(glob);
+	var process = createRoot();
+	var regExpStr = tokens.map(process).join("");
+	return new RegExp("^" + regExpStr + "$");
+}
+
+var SIMPLE_TOKENS = {
+	"@(": "one",
+	"?(": "zero-one",
+	"+(": "one-many",
+	"*(": "zero-many",
+	"|": "segment-sep",
+	"/**/": "any-path-segments",
+	"**": "any-path",
+	"*": "any-path-segment",
+	"?": "any-char",
+	"{": "or",
+	"/": "path-sep",
+	",": "comma",
+	")": "closing-segment",
+	"}": "closing-or"
+};
+
+function tokenize(glob) {
+	return glob.split(/([@?+*]\(|\/\*\*\/|\*\*|[?*]|\[[\!\^]?(?:[^\]\\]|\\.)+\]|\{|,|\/|[|)}])/g).map(function(item) {
+		if(!item)
+			return null;
+		var t = SIMPLE_TOKENS[item];
+		if(t) {
+			return {
+				type: t
+			};
+		}
+		if(item[0] === "[") {
+			if(item[1] === "^" || item[1] === "!") {
+				return {
+					type: "inverted-char-set",
+					value: item.substr(2, item.length - 3)
+				};
+			} else {
+				return {
+					type: "char-set",
+					value: item.substr(1, item.length - 2)
+				};
+			}
+		}
+		return {
+			type: "string",
+			value: item
+		};
+	}).filter(Boolean).concat({
+		type: "end"
+	});
+}
+
+function createRoot() {
+	var inOr = [];
+	var process = createSeqment();
+	var initial = true;
+	return function(token) {
+		switch(token.type) {
+			case "or":
+				inOr.push(initial);
+				return "(";
+			case "comma":
+				if(inOr.length) {
+					initial = inOr[inOr.length - 1];
+					return "|";
+				} else {
+					return process({
+						type: "string",
+						value: ","
+					}, initial);
+				}
+			case "closing-or":
+				if(inOr.length === 0)
+					throw new Error("Unmatched '}'");
+				inOr.pop();
+				return ")";
+			case "end":
+				if(inOr.length)
+					throw new Error("Unmatched '{'");
+				return process(token, initial);
+			default:
+				var result = process(token, initial);
+				initial = false;
+				return result;
+		}
+	};
+}
+
+function createSeqment() {
+	var inSeqment = [];
+	var process = createSimple();
+	return function(token, initial) {
+		switch(token.type) {
+			case "one":
+			case "one-many":
+			case "zero-many":
+			case "zero-one":
+				inSeqment.push(token.type);
+				return "(";
+			case "segment-sep":
+				if(inSeqment.length) {
+					return "|";
+				} else {
+					return process({
+						type: "string",
+						value: "|"
+					}, initial);
+				}
+			case "closing-segment":
+				var segment = inSeqment.pop();
+				switch(segment) {
+					case "one":
+						return ")";
+					case "one-many":
+						return ")+";
+					case "zero-many":
+						return ")*";
+					case "zero-one":
+						return ")?";
+				}
+				throw new Error("Unexcepted segment " + segment);
+			case "end":
+				if(inSeqment.length > 0) {
+					throw new Error("Unmatched segment, missing ')'");
+				}
+				return process(token, initial);
+			default:
+				return process(token, initial);
+		}
+	};
+}
+
+function createSimple() {
+	return function(token, initial) {
+		switch(token.type) {
+			case "path-sep":
+				return "[\\\\/]+";
+			case "any-path-segments":
+				return "[\\\\/]+(?:(.+)[\\\\/]+)?";
+			case "any-path":
+				return "(.*)";
+			case "any-path-segment":
+				if(initial) {
+					return "\\.[\\\\/]+(?:.*[\\\\/]+)?([^\\\\/]+)";
+				} else {
+					return "([^\\\\/]*)";
+				}
+			case "any-char":
+				return "[^\\\\/]";
+			case "inverted-char-set":
+				return "[^" + token.value + "]";
+			case "char-set":
+				return "[" + token.value + "]";
+			case "string":
+				return token.value.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&");
+			case "end":
+				return "";
+			default:
+				throw new Error("Unsupported token '" + token.type + "'");
+		}
+	};
+}
+
+exports.globToRegExp = globToRegExp;
-- 
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