[go_router_builder] Removes path_to_regexp from the dependencies

packages/go_router_builder/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 2.3.0
+
+* Removes `path_to_regexp` from the dependencies.
+
 ## 2.2.2
 
 * Bumps example go_router version and migrate example code.

packages/go_router_builder/lib/src/route_config.dart

@@ -11,11 +11,11 @@ import 'package:analyzer/dart/element/type.dart';
 import 'package:collection/collection.dart';
 import 'package:meta/meta.dart';
 import 'package:path/path.dart' as p;
-import 'package:path_to_regexp/path_to_regexp.dart';
 import 'package:source_gen/source_gen.dart';
 import 'package:source_helper/source_helper.dart';
 
 import 'type_helpers.dart';
+import 'utils/path_token.dart';
 
 /// Custom [Iterable] implementation with extra info.
 class InfoIterable extends IterableBase<String> {
@@ -84,7 +84,7 @@ class GoRouteConfig extends RouteBaseConfig {
       .map((ParameterToken e) => e.name));
 
   late final List<Token> _parsedPath =
-      List<Token>.unmodifiable(parse(_rawJoinedPath));
+      List<Token>.unmodifiable(Token.parse(_rawJoinedPath));
 
   String get _rawJoinedPath {
     final List<String> pathSegments = <String>[];
@@ -111,7 +111,7 @@ class GoRouteConfig extends RouteBaseConfig {
         return '\${Uri.encodeComponent(${_encodeFor(e.name)}${type?.isEnum ?? false ? '!' : ''})}';
       }
       if (e is PathToken) {
-        return e.value;
+        return e.name;
       }
       throw UnsupportedError(
         '$likelyIssueMessage '

packages/go_router_builder/lib/src/utils/path_token.dart

@@ -0,0 +1,61 @@
+// Copyright 2013 The Flutter Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+/// The base type of all tokens produced by a path specification.
+abstract class Token {
+  /// The name of the parameter.
+  String get name;
+
+  /// Parses a [path] specification.
+  static List<Token> parse(String path) => _parse(path);
+}
+
+/// Corresponds to a parameter of a path specification.
+class ParameterToken implements Token {
+  /// Creates a parameter token for [name].
+  ParameterToken(this.name);
+
+  /// The parameter name.
+  @override
+  final String name;
+}
+
+/// Corresponds to a non-parameterized section of a path specification.
+class PathToken implements Token {
+  /// Creates a path token with [name].
+  PathToken(this.name);
+
+  /// A substring of the path specification.
+  @override
+  final String name;
+}
+
+/// The regular expression used to extract parameters from a path specification.
+///
+/// Capture groups:
+///   1. The parameter name.
+///   2. An optional pattern.
+final RegExp _parameterRegExp = RegExp(
+  /* (1) */ r':(\w+)'
+  /* (2) */ r'(\((?:\\.|[^\\()])+\))?',
+);
+
+/// Parses a [path] specification.
+List<Token> _parse(String path) {
+  final Iterable<RegExpMatch> matches = _parameterRegExp.allMatches(path);
+  final List<Token> tokens = <Token>[];
+  int start = 0;
+  for (final RegExpMatch match in matches) {
+    if (match.start > start) {
+      tokens.add(PathToken(path.substring(start, match.start)));
+    }
+    final String name = match[1]!;
+    tokens.add(ParameterToken(name));
+    start = match.end;
+  }
+  if (start < path.length) {
+    tokens.add(PathToken(path.substring(start)));
+  }
+  return tokens;
+}

packages/go_router_builder/pubspec.yaml

@@ -2,7 +2,7 @@ name: go_router_builder
 description: >-
   A builder that supports generated strongly-typed route helpers for
   package:go_router
-version: 2.2.2
+version: 2.3.0
 repository: https://github.com/flutter/packages/tree/main/packages/go_router_builder
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+go_router_builder%22
 
@@ -17,7 +17,6 @@ dependencies:
   collection: ^1.14.0
   meta: ^1.7.0
   path: ^1.8.0
-  path_to_regexp: ^0.4.0
   source_gen: ^1.0.0
   source_helper: ^1.3.0