147 lines
3.3 KiB
Dart
147 lines
3.3 KiB
Dart
import 'dart:convert';
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import 'dart:developer';
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import 'package:flutter/foundation.dart';
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import 'package:talker_flutter/talker_flutter.dart';
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class SkyLog {
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SkyLog._();
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static final SkyLog _instance = SkyLog._();
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static SkyLog get instance => _instance;
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final Talker _talker = TalkerFlutter.init();
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factory SkyLog() => _instance;
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Talker get tLog => _talker;
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/// DevTools / 控制台里可按名称过滤。
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static const String logName = 'SkyLog';
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Future<void> initLogger() async {
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/// app 信息
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}
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/// 仅 [kDebugMode] 输出；内容经安全格式化，不会因无法 JSON 编码而中断业务逻辑。
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static void print(
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Object? message, {
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String? tag,
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String name = logName,
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}) {
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if (!kDebugMode) return;
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try {
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final text = _stringify(message);
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final line = tag != null ? '[debug-tag: $tag] ===== $text' : text;
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log(line, name: name);
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} catch (e, st) {
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log(
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'[SkyLog.print failed] $e',
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name: name,
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error: e,
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stackTrace: st,
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);
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}
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}
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/// 尽量输出缩进 JSON；无法编码时退回 [toString]，不向外抛错。
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static String _stringify(Object? value) {
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if (value == null) return 'null';
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if (value is String) return value;
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if (value is num || value is bool) return value.toString();
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const encoder = JsonEncoder.withIndent(' ');
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if (value is Map) {
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try {
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return encoder.convert(value);
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} catch (_) {
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return value.toString();
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}
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}
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if (value is List) {
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try {
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return encoder.convert(value);
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} catch (_) {
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return value.toString();
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}
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}
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if (value is Iterable) {
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try {
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return encoder.convert(value.toList());
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} catch (_) {
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return value.toString();
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}
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}
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try {
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return encoder.convert(value);
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} catch (_) {
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try {
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return '${value.runtimeType}: $value';
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} catch (_) {
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return '<unprintable ${value.runtimeType}>';
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}
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}
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}
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/// 错误日志走 Talker；若 Talker 抛错，在 Debug 下用 [log] 兜底，仍不向外抛。
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static void error(
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Object? message, {
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String? tag,
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StackTrace? stackTrace,
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}) {
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final text = message == null ? 'null' : '$message';
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try {
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_instance._talker.logCustom(
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CustomLog(
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text,
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settings: _instance._talker.settings,
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tag: tag,
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logLevel: LogLevel.error,
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stackTrace: stackTrace,
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),
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);
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} catch (e, st) {
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if (kDebugMode) {
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log(
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'[SkyLog.error fallback] $text | $e',
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name: logName,
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error: e,
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stackTrace: st,
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);
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}
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}
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}
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}
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class CustomLog extends TalkerLog {
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final String? tag;
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final TalkerSettings settings;
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final LogLevel? _logLevel;
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final StackTrace? _stackTrace;
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CustomLog(
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super.message, {
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this.tag,
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required this.settings,
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LogLevel logLevel = LogLevel.debug,
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StackTrace? stackTrace,
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}) : _logLevel = logLevel,
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_stackTrace = stackTrace;
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@override
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String? get key => tag;
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@override
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LogLevel? get logLevel => _logLevel;
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@override
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StackTrace? get stackTrace => _stackTrace;
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@override
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AnsiPen? get pen =>
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settings.colors[TalkerKey.fromLogLevel(logLevel ?? LogLevel.info)];
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}
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