cf8e83552a
git-subtree-dir: packages/pretty_logging git-subtree-mainline:a13d02069egit-subtree-split:d5150f9dee
50 lines
1.4 KiB
Dart
50 lines
1.4 KiB
Dart
import 'package:logging/logging.dart';
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import 'package:io/ansi.dart';
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/// Prints the contents of a [LogRecord] with pretty colors.
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///
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/// By passing [omitError], you can omit printing the error of a given
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/// [LogRecord].
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///
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/// You can also pass a custom [printFunction] or [logColorChooser].
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void prettyLog(LogRecord record,
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{bool Function(LogRecord) omitError,
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void Function(String) printFunction,
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AnsiCode Function(Level) logColorChooser}) {
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logColorChooser ??= chooseLogColor;
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omitError ??= (_) => false;
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printFunction ??= print;
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var code = logColorChooser(record.level);
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if (record.error == null) printFunction(code.wrap(record.toString()));
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if (record.error != null) {
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var err = record.error;
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if (omitError(record)) return;
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printFunction(code.wrap(record.toString() + '\n'));
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printFunction(code.wrap(err.toString()));
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if (record.stackTrace != null) {
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printFunction(code.wrap(record.stackTrace.toString()));
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}
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}
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}
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/// Chooses a color based on the logger [level].
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AnsiCode chooseLogColor(Level level) {
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if (level == Level.SHOUT) {
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return backgroundRed;
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} else if (level == Level.SEVERE) {
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return red;
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} else if (level == Level.WARNING) {
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return yellow;
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} else if (level == Level.INFO) {
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return cyan;
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} else if (level == Level.CONFIG ||
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level == Level.FINE ||
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level == Level.FINER ||
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level == Level.FINEST) {
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return lightGray;
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}
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return resetAll;
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}
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