path-to-regexp - npm Package Compare versions

Comparing version 3.2.0 to 3.3.0

index.js

@@ -93,2 +93,3 @@ /**
     var delimiter = prev || defaultDelimiter
+    var prevText = prev || (typeof tokens[tokens.length - 1] === 'string' ? tokens[tokens.length - 1] : '')
 
@@ -103,3 +104,3 @@ tokens.push({
         ? escapeGroup(pattern)
-        : '[^' + escapeString(delimiter === defaultDelimiter ? delimiter : (delimiter + defaultDelimiter)) + ']+?'
+        : restrictBacktrack(delimiter, defaultDelimiter, prevText)
     })
@@ -116,2 +117,12 @@ }
 
+function restrictBacktrack (delimiter, defaultDelimiter, prevText) {
+  var charGroup = '[^' + escapeString(delimiter === defaultDelimiter ? delimiter : (delimiter + defaultDelimiter)) + ']'
+
+  if (!prevText || prevText.indexOf(delimiter) > -1 || prevText.indexOf(defaultDelimiter) > -1) {
+    return charGroup + '+?'
+  }
+
+  return escapeString(prevText) + '|(?:(?!' + escapeString(prevText) + ')' + charGroup + ')+?'
+}
+
 /**
@@ -118,0 +129,0 @@ * Compile a string to a template function for the path.

package.json

 {
   "name": "path-to-regexp",
   "description": "Express style path to RegExp utility",
-  "version": "3.2.0",
+  "version": "3.3.0",
   "main": "index.js",
@@ -6,0 +6,0 @@ "typings": "index.d.ts",

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Improved metrics

Lines of code

458

increased by1.78%

Worsened metrics

Total package byte prevSize

25834

decreased by-16.32%

Number of package files

5

decreased by-16.67%

No dependency changes