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lib/app/app.logger.dart

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+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+// **************************************************************************
+// StackedLoggerGenerator
+// **************************************************************************
+
+// ignore_for_file: avoid_print, depend_on_referenced_packages
+
+/// Maybe this should be generated for the user as well?
+///
+/// import 'package:customer_app/services/stackdriver/stackdriver_service.dart';
+import 'package:flutter/foundation.dart';
+import 'package:logger/logger.dart';
+
+class SimpleLogPrinter extends LogPrinter {
+  final String className;
+  final bool printCallingFunctionName;
+  final bool printCallStack;
+  final List<String> exludeLogsFromClasses;
+  final String? showOnlyClass;
+
+  SimpleLogPrinter(
+    this.className, {
+    this.printCallingFunctionName = true,
+    this.printCallStack = false,
+    this.exludeLogsFromClasses = const [],
+    this.showOnlyClass,
+  });
+
+  @override
+  List<String> log(LogEvent event) {
+    var color = PrettyPrinter.levelColors[event.level];
+    var emoji = PrettyPrinter.levelEmojis[event.level];
+    var methodName = _getMethodName();
+
+    var methodNameSection =
+        printCallingFunctionName && methodName != null ? ' | $methodName' : '';
+    var stackLog = event.stackTrace.toString();
+    var output =
+        '$emoji $className$methodNameSection - ${event.message}${event.error != null ? '\nERROR: ${event.error}\n' : ''}${printCallStack ? '\nSTACKTRACE:\n$stackLog' : ''}';
+
+    if (exludeLogsFromClasses
+            .any((excludeClass) => className == excludeClass) ||
+        (showOnlyClass != null && className != showOnlyClass)) return [];
+
+    final pattern = RegExp('.{1,800}'); // 800 is the size of each chunk
+    List<String> result = [];
+
+    for (var line in output.split('\n')) {
+      result.addAll(pattern.allMatches(line).map((match) {
+        if (kReleaseMode) {
+          return match.group(0)!;
+        } else {
+          return color!(match.group(0)!);
+        }
+      }));
+    }
+
+    return result;
+  }
+
+  String? _getMethodName() {
+    try {
+      final currentStack = StackTrace.current;
+      final formattedStacktrace = _formatStackTrace(currentStack, 3);
+      if (kIsWeb) {
+        final classNameParts = _splitClassNameWords(className);
+        return _findMostMatchedTrace(formattedStacktrace!, classNameParts)
+            .split(' ')
+            .last;
+      } else {
+        final realFirstLine = formattedStacktrace
+            ?.firstWhere((line) => line.contains(className), orElse: () => "");
+
+        final methodName = realFirstLine?.replaceAll('$className.', '');
+        return methodName;
+      }
+    } catch (e) {
+      // There's no deliberate function call from our code so we return null;
+      return null;
+    }
+  }
+
+  List<String> _splitClassNameWords(String className) {
+    return className
+        .split(RegExp(r'(?=[A-Z])'))
+        .map((e) => e.toLowerCase())
+        .toList();
+  }
+
+  /// When the faulty word exists in the begging this method will not be very usefull
+  String _findMostMatchedTrace(
+      List<String> stackTraces, List<String> keyWords) {
+    String match = stackTraces.firstWhere(
+        (trace) => _doesTraceContainsAllKeywords(trace, keyWords),
+        orElse: () => '');
+    if (match.isEmpty) {
+      match = _findMostMatchedTrace(
+          stackTraces, keyWords.sublist(0, keyWords.length - 1));
+    }
+    return match;
+  }
+
+  bool _doesTraceContainsAllKeywords(String stackTrace, List<String> keywords) {
+    final formattedKeywordsAsRegex = RegExp(keywords.join('.*'));
+    return stackTrace.contains(formattedKeywordsAsRegex);
+  }
+}
+
+final stackTraceRegex = RegExp(r'#[0-9]+[\s]+(.+) \(([^\s]+)\)');
+
+List<String>? _formatStackTrace(StackTrace stackTrace, int methodCount) {
+  var lines = stackTrace.toString().split('\n');
+
+  var formatted = <String>[];
+  var count = 0;
+  for (var line in lines) {
+    var match = stackTraceRegex.matchAsPrefix(line);
+    if (match != null) {
+      if (match.group(2)!.startsWith('package:logger')) {
+        continue;
+      }
+      var newLine = ("${match.group(1)}");
+      formatted.add(newLine.replaceAll('<anonymous closure>', '()'));
+      if (++count == methodCount) {
+        break;
+      }
+    } else {
+      formatted.add(line);
+    }
+  }
+
+  if (formatted.isEmpty) {
+    return null;
+  } else {
+    return formatted;
+  }
+}
+
+Logger getLogger(
+  String className, {
+  bool printCallingFunctionName = true,
+  bool printCallstack = false,
+  List<String> exludeLogsFromClasses = const [],
+  String? showOnlyClass,
+}) {
+  return Logger(
+    printer: SimpleLogPrinter(
+      className,
+      printCallingFunctionName: printCallingFunctionName,
+      printCallStack: printCallstack,
+      showOnlyClass: showOnlyClass,
+      exludeLogsFromClasses: exludeLogsFromClasses,
+    ),
+    output: MultiOutput([
+      if (!kReleaseMode) ConsoleOutput(),
+    ]),
+  );
+}