feat: add godoc examples

logger/example_test.go

@@ -0,0 +1,109 @@
+package logger_test
+
+import (
+	"bytes"
+	"context"
+	"fmt"
+	"log/slog"
+	"os"
+
+	clog "github.com/charmbracelet/log"
+	"github.com/lvlcn-t/loggerhead/logger"
+)
+
+func ExampleLogger_Debug() {
+	var buf bytes.Buffer
+	log := logger.NewLogger(logger.Options{Handler: clog.NewWithOptions(&buf, clog.Options{Level: clog.DebugLevel})})
+
+	log.Debug("This is a debug message!")
+	log.Debugf("This is a %s message!", "debug")
+	log.DebugContext(context.Background(), "This is a debug message!")
+
+	fmt.Println(buf.String())
+	// Output:
+	// DEBU This is a debug message!
+	// DEBU This is a debug message!
+	// DEBU This is a debug message!
+}
+
+func ExampleLogger_Info() {
+	var buf bytes.Buffer
+	log := logger.NewLogger(logger.Options{Handler: clog.NewWithOptions(&buf, clog.Options{Level: clog.DebugLevel})})
+
+	log.Info("Hello, world!")
+	log.Infof("Hello, %s!", "world")
+	log.InfoContext(context.Background(), "Hello, world!")
+
+	fmt.Println(buf.String())
+	// Output:
+	// INFO Hello, world!
+	// INFO Hello, world!
+	// INFO Hello, world!
+}
+
+func ExampleLogger_Warn() {
+	var buf bytes.Buffer
+	log := logger.NewLogger(logger.Options{Handler: clog.NewWithOptions(&buf, clog.Options{Level: clog.DebugLevel})})
+
+	log.Warn("This is a warning!")
+	log.Warnf("This is a %s!", "warning")
+	log.WarnContext(context.Background(), "This is a warning!")
+
+	fmt.Println(buf.String())
+	// Output:
+	// WARN This is a warning!
+	// WARN This is a warning!
+	// WARN This is a warning!
+}
+
+func ExampleLogger_Error() {
+	var buf bytes.Buffer
+	log := logger.NewLogger(logger.Options{Handler: clog.NewWithOptions(&buf, clog.Options{Level: clog.DebugLevel})})
+
+	log.Error("This is an error!")
+	log.Errorf("This is an %s!", "error")
+	log.ErrorContext(context.Background(), "This is an error!")
+
+	fmt.Println(buf.String())
+	// Output:
+	// ERRO This is an error!
+	// ERRO This is an error!
+	// ERRO This is an error!
+}
+
+func ExampleNewLogger() {
+	// Create a new logger with the default configuration.
+	log := logger.NewLogger()
+	log.Info("Hello, world!")
+}
+
+func ExampleNewNamedLogger() {
+	// Create a new logger with a name.
+	log := logger.NewNamedLogger("my-logger")
+	log.Info("Hello, world!")
+}
+
+func ExampleIntoContext() {
+	// Create a new logger with the default configuration.
+	log := logger.NewLogger()
+	// Inject the logger into the context.
+	_ = logger.IntoContext(context.Background(), log)
+	log.Info("Hello, world!")
+}
+
+func ExampleFromContext() {
+	// Create a new logger with the default configuration.
+	log := logger.NewLogger()
+	// Inject the logger into the context.
+	ctx := logger.IntoContext(context.Background(), log)
+	// Retrieve the logger from the context.
+	logger.FromContext(ctx).Info("Hello, world!")
+}
+
+func ExampleFromSlog() {
+	// Create a new slog.Logger.
+	sl := slog.New(slog.NewTextHandler(os.Stdout, nil))
+	// Convert the slog.Logger to a logger.Logger.
+	log := logger.FromSlog(sl)
+	log.Info("Hello, world!")
+}