Initial commit

node_modules/safe-regex/LICENSE

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+This software is released under the MIT license:
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

node_modules/safe-regex/index.js

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+var parse = require('ret');
+var types = parse.types;
+
+module.exports = function (re, opts) {
+    if (!opts) opts = {};
+    var replimit = opts.limit === undefined ? 25 : opts.limit;
+    
+    if (isRegExp(re)) re = re.source;
+    else if (typeof re !== 'string') re = String(re);
+    
+    try { re = parse(re) }
+    catch (err) { return false }
+    
+    var reps = 0;
+    return (function walk (node, starHeight) {
+        if (node.type === types.REPETITION) {
+            starHeight ++;
+            reps ++;
+            if (starHeight > 1) return false;
+            if (reps > replimit) return false;
+        }
+        
+        if (node.options) {
+            for (var i = 0, len = node.options.length; i < len; i++) {
+                var ok = walk({ stack: node.options[i] }, starHeight);
+                if (!ok) return false;
+            }
+        }
+        var stack = node.stack || (node.value && node.value.stack);
+        if (!stack) return true;
+        
+        for (var i = 0; i < stack.length; i++) {
+            var ok = walk(stack[i], starHeight);
+            if (!ok) return false;
+        }
+        
+        return true;
+    })(re, 0);
+};
+
+function isRegExp (x) {
+    return {}.toString.call(x) === '[object RegExp]';
+}

node_modules/safe-regex/package.json

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+{
+  "name": "safe-regex",
+  "version": "1.1.0",
+  "description": "detect possibly catastrophic, exponential-time regular expressions",
+  "main": "index.js",
+  "dependencies": {
+    "ret": "~0.1.10"
+  },
+  "devDependencies": {
+    "tape": "^3.5.0"
+  },
+  "testling": {
+    "files": "test/*.js",
+    "browsers": [
+      "ie/8",
+      "ie/9",
+      "ie/10",
+      "firefox/latest",
+      "chrome/latest",
+      "opera/latest",
+      "safari/latest"
+    ]
+  },
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/substack/safe-regex.git"
+  },
+  "homepage": "https://github.com/substack/safe-regex",
+  "author": {
+    "name": "James Halliday",
+    "email": "mail@substack.net",
+    "url": "http://substack.net"
+  },
+  "license": "MIT"
+}