jpmschweitzerandClaude Opus 4.5
4b0c6b292a
Replace manual generate_version.dart script with a custom build_runner builder that automatically generates lib/version.g.dart from pubspec.yaml during the build process. This eliminates manual steps and ensures version info stays in sync. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
50 lines
1.6 KiB
Dart
50 lines
1.6 KiB
Dart
import 'dart:async';
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import 'package:build/build.dart';
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import 'package:yaml/yaml.dart';
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/// Builder that generates version.g.dart from pubspec.yaml.
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Builder versionBuilder(BuilderOptions options) => VersionBuilder();
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class VersionBuilder implements Builder {
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@override
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final buildExtensions = const {
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r'$package$': ['lib/version.g.dart'],
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};
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@override
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Future<void> build(BuildStep buildStep) async {
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final pubspecId = AssetId(buildStep.inputId.package, 'pubspec.yaml');
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final pubspecContent = await buildStep.readAsString(pubspecId);
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final pubspec = loadYaml(pubspecContent) as YamlMap;
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final name = pubspec['name'] as String;
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final description = pubspec['description'] as String? ?? '';
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final versionString = pubspec['version'] as String;
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// Parse version: "0.2.0+2" -> version="0.2.0", buildNumber=2
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final versionParts = versionString.split('+');
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final version = versionParts[0];
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final buildNumber = versionParts.length > 1 ? int.parse(versionParts[1]) : 0;
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final output = '''
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// GENERATED FILE - DO NOT EDIT
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// Generated by build_runner from pubspec.yaml
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/// Application version information from pubspec.yaml
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class AppVersion {
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AppVersion._();
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static const String name = '$name';
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static const String description = '$description';
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static const String version = '$version';
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static const int buildNumber = $buildNumber;
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static const String fullVersion = '$version+$buildNumber';
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}
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''';
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final outputId = AssetId(buildStep.inputId.package, 'lib/version.g.dart');
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await buildStep.writeAsString(outputId, output);
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}
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}
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