helper script translated to dart

Author: danylo-safonov-solid

README.md

@@ -36,8 +36,9 @@ The main scenario is Supabase Edge Functions, but it should also work for other
 
 4. Add imports to generated file by calling the script:
    ```bash
-   python3 add_imports.py example/functions/dart_edge/main.dart.js
+   dart run tools/add_imports/bin/add_imports.dart
+     --filename=example/functions/dart_edge/main.dart.js
    ```
-   Note: your filepath may differ from the example
+   Note: your filename may differ from the example
 
 5. You can use the function now.

add_imports.py

@@ -0,0 +1,3 @@
+# https://dart.dev/guides/libraries/private-files
+# Created by `dart pub`
+.dart_tool/

tools/add_imports/.gitignore

@@ -0,0 +1,8 @@
+include: package:solid_lints/analysis_options.yaml
+
+linter:
+  rules:
+    package_api_docs: true
+    prefer_foreach: true
+    prefer_single_quotes: true
+    public_member_api_docs: false

tools/add_imports/analysis_options.yaml

@@ -0,0 +1,51 @@
+import 'dart:io';
+
+import 'package:add_imports/src/args.dart';
+import 'package:add_imports/src/config.dart';
+import 'package:collection/collection.dart';
+
+void main(List<String> arguments) {
+  final args = Args.tryParse(arguments);
+  if (args == null) {
+    print(Args.usage);
+
+    return;
+  }
+
+  final config = Config.fromYaml(File(args.configpath).readAsStringSync());
+  final sourceFile = File(args.filename);
+  final sourceString = sourceFile.readAsStringSync();
+
+  final classes = RegExp(r'new self.([A-Za-z]+)\(')
+      .allMatches(sourceString)
+      .map((e) => e.group(1))
+      .whereNotNull()
+      .toSet()
+      .intersection(config.classesMap.values.flattened.toSet())
+      .whereNot((e) => sourceString.contains('import { $e }'))
+      .toList();
+
+  if (classes.isEmpty) return;
+
+  final imports = classes.map(
+    (classname) {
+      final filename = config.classesMap.entries
+          .firstWhere((e) => e.value.contains(classname))
+          .key;
+
+      final url = '${config.fileUrlPrefix}$filename';
+
+      return 'import { $classname } from "$url";';
+    },
+  );
+
+  final inits = classes.map((e) => 'self.$e = $e');
+
+  final newSource = [
+    imports.join('\n'),
+    inits.join('\n'),
+    sourceString,
+  ].join('\n');
+
+  sourceFile.writeAsStringSync(newSource);
+}

tools/add_imports/bin/add_imports.dart

@@ -0,0 +1,3 @@
+int calculate() {
+  return 6 * 7;
+}

tools/add_imports/lib/add_imports.dart

@@ -0,0 +1,32 @@
+import 'package:args/args.dart';
+
+class Args {
+  static final parser = ArgParser()
+    ..addOption('filename')
+    ..addOption('configpath', defaultsTo: 'add_imports.yaml');
+
+  final String filename;
+  final String configpath;
+
+  static String get usage => parser.usage;
+
+  Args({required this.filename, required this.configpath});
+
+  factory Args.parse(List<String> arguments) {
+    final result = parser.parse(arguments);
+
+
+    return Args(
+      filename: result['filename'] as String,
+      configpath: result['configpath'] as String,
+    );
+  }
+
+  static Args? tryParse(List<String> arguments) {
+    try {
+      return Args.parse(arguments);
+    } catch (_) {
+      return null;
+    }
+  }
+}

tools/add_imports/lib/src/args.dart

@@ -0,0 +1,32 @@
+import 'package:yaml/yaml.dart';
+
+class Config {
+  final String fileUrlPrefix;
+  final Map<String, List<String>> classesMap;
+
+  Config({required this.fileUrlPrefix, required this.classesMap});
+
+  factory Config.fromYaml(String yamlString) {
+    final parsedYaml = loadYaml(yamlString) as YamlMap;
+
+    final classesMap = (parsedYaml['classes_map'] as YamlMap).map(
+      (key, value) => MapEntry(
+        key as String,
+        [...value as YamlList].cast<String>(),
+      ),
+    );
+
+    return Config(
+      classesMap: classesMap,
+      fileUrlPrefix: parsedYaml['file_url_prefix'] as String,
+    );
+  }
+
+  static Config? tryFromYaml(String yamlString) {
+    try {
+      return Config.fromYaml(yamlString);
+    } catch (_) {
+      return null;
+    }
+  }
+}

tools/add_imports/lib/src/config.dart

@@ -0,0 +1,14 @@
+name: add_imports
+description: add_imports.
+version: 1.0.0
+
+environment:
+  sdk: ^3.1.0
+
+dependencies:
+  args: ^2.4.2
+  collection: ^1.18.0
+  yaml: ^3.1.2
+
+dev_dependencies:
+  solid_lints: ^0.0.19