Add os.Exit to LogFatal to mimic the zaplogger behavior

app/component.go

@@ -142,12 +142,12 @@ func (c *Component) LogWarnf(template string, args ...interface{}) {
 	c.Logger().LogWarnf(template, args...)
 }
 
-// LogFatal uses fmt.Sprint to construct and log a message.
+// LogFatal uses fmt.Sprint to construct and log a message, then calls os.Exit(1).
 func (c *Component) LogFatal(msg string, args ...interface{}) {
 	c.Logger().LogFatal(msg, args...)
 }
 
-// LogFatalf uses fmt.Sprintf to log a templated message.
+// LogFatalf uses fmt.Sprintf to log a templated message, then calls os.Exit(1).
 func (c *Component) LogFatalf(template string, args ...interface{}) {
 	c.Logger().LogFatalf(template, args...)
 }

log/logger.go

@@ -72,13 +72,13 @@ type Logger interface {
 	// LogErrorAttrs emits a log message with the ERROR level and the given attributes.
 	LogErrorAttrs(msg string, args ...slog.Attr)
 
-	// LogFatal emits a log message with the FATAL level.
+	// LogFatal emits a log message with the FATAL level, then calls os.Exit(1).
 	LogFatal(msg string, args ...any)
 
-	// LogFatalf emits a formatted log message with the FATAL level.
+	// LogFatalf emits a formatted log message with the FATAL level, then calls os.Exit(1).
 	LogFatalf(fmtString string, args ...any)
 
-	// LogFatalAttrs emits a log message with the FATAL level and the given attributes.
+	// LogFatalAttrs emits a log message with the FATAL level and the given attributes, then calls os.Exit(1).
 	LogFatalAttrs(fmtString string, args ...slog.Attr)
 
 	// Log emits a log message with the given level.

log/logger_impl.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"fmt"
 	"log/slog"
+	"os"
 	"strconv"
 	"strings"
 	"sync"
@@ -192,19 +193,22 @@ func (l *logger) LogErrorAttrs(msg string, args ...slog.Attr) {
 	l.LogAttrs(msg, LevelError, args...)
 }
 
-// LogFatal emits a log message with the FATAL level.
+// LogFatal emits a log message with the FATAL level, then calls os.Exit(1).
 func (l *logger) LogFatal(msg string, args ...any) {
 	l.Log(msg, LevelPanic, args...)
+	os.Exit(1)
 }
 
-// LogFatalf emits a formatted log message with the FATAL level.
+// LogFatalf emits a formatted log message with the FATAL level, then calls os.Exit(1).
 func (l *logger) LogFatalf(fmtString string, args ...any) {
 	l.Logf(fmtString, LevelPanic, args...)
+	os.Exit(1)
 }
 
-// LogFatalAttrs emits a log message with the FATAL level and the given attributes.
+// LogFatalAttrs emits a log message with the FATAL level and the given attributes, then calls os.Exit(1).
 func (l *logger) LogFatalAttrs(msg string, args ...slog.Attr) {
 	l.LogAttrs(msg, LevelPanic, args...)
+	os.Exit(1)
 }
 
 // Log emits a log message with the given level.