Initial Commit

main.go

@@ -0,0 +1,130 @@
+package logger
+
+import (
+	"fmt"
+)
+
+// LogLevel represents a log level
+type LogLevel uint8
+
+// Log levels
+const (
+	LogLevelDebug LogLevel = iota
+	LogLevelInfo
+	LogLevelWarn
+	LogLevelError
+	LogLevelFatal
+	LogLevelPanic
+)
+
+var logLevelNames = [...]string{
+	LogLevelDebug: "debug",
+	LogLevelInfo:  "info",
+	LogLevelWarn:  "warn",
+	LogLevelError: "error",
+	LogLevelFatal: "fatal",
+	LogLevelPanic: "panic",
+}
+
+// Logger represents a logger
+type Logger interface {
+	// NoPanic prevents the logger from panicking on panic events
+	NoPanic()
+
+	// NoExit prevents the logger from exiting on fatal events
+	NoExit()
+
+	// Debug creates a new debug event with the given message
+	Debug(string) LogBuilder
+
+	// Debugf creates a new debug event with the formatted message
+	Debugf(string, ...any) LogBuilder
+
+	// Info creates a new info event with the given message
+	Info(string) LogBuilder
+
+	// Infof creates a new info event with the formatted message
+	Infof(string, ...any) LogBuilder
+
+	// Warn creates a new warn event with the given message
+	Warn(string) LogBuilder
+
+	// Warnf creates a new warn event with the formatted message
+	Warnf(string, ...any) LogBuilder
+
+	// Error creates a new error event with the given message
+	Error(string) LogBuilder
+
+	// Errorf creates a new error event with the formatted message
+	Errorf(string, ...any) LogBuilder
+
+	// Fatal creates a new fatal event with the given message
+	//
+	// When sent, fatal events will cause a call to os.Exit(1)
+	Fatal(string) LogBuilder
+
+	// Fatalf creates a new fatal event with the formatted message
+	//
+	// When sent, fatal events will cause a call to os.Exit(1)
+	Fatalf(string, ...any) LogBuilder
+
+	// Panic creates a new panic event with the given message
+	//
+	// When sent, panic events will cause a panic
+	Panic(string) LogBuilder
+
+	// Panicf creates a new panic event with the formatted message
+	//
+	// When sent, panic events will cause a panic
+	Panicf(string, ...any) LogBuilder
+}
+
+// LogBuilder represents a log event builder
+type LogBuilder interface {
+	// Int adds an int field to the output
+	Int(string, int) LogBuilder
+	// Int8 adds an int8 field to the output
+	Int8(string, int8) LogBuilder
+	// Int16 adds an int16 field to the output
+	Int16(string, int16) LogBuilder
+	// Int32 adds an int32 field to the output
+	Int32(string, int32) LogBuilder
+	// Int64 adds an int64 field to the output
+	Int64(string, int64) LogBuilder
+	// Uint adds a uint field to the output
+	Uint(string, uint) LogBuilder
+	// Uint8 adds a uint8 field to the output
+	Uint8(string, uint8) LogBuilder
+	// Uint16 adds a uint16 field to the output
+	Uint16(string, uint16) LogBuilder
+	// Uint32 adds a uint32 field to the output
+	Uint32(string, uint32) LogBuilder
+	// Uint64 adds a uint64 field to the output
+	Uint64(string, uint64) LogBuilder
+	// Float32 adds a float32 field to the output
+	Float32(string, float32) LogBuilder
+	// Float64 adds a float64 field to the output
+	Float64(string, float64) LogBuilder
+	// Stringer calls the String method of an fmt.Stringer
+	// and adds the resulting string as a field to the output
+	Stringer(string, fmt.Stringer) LogBuilder
+	// Bytes adds []byte as a field to the output
+	Bytes(string, []byte) LogBuilder
+	// Timestamp adds the time formatted as RFC3339Nano
+	// as a field to the output using the key "timestamp"
+	Timestamp() LogBuilder
+	// Bool adds a bool as a field to the output
+	Bool(string, bool) LogBuilder
+	// Str adds a string as a field to the output
+	Str(string, string) LogBuilder
+	// Any uses reflection to marshal any type and writes
+	// the result as a field to the output. This is much slower
+	// than the type-specific functions.
+	Any(string, any) LogBuilder
+	// Err adds an error as a field to the output
+	Err(error) LogBuilder
+	// Send sends the event to the output.
+	//
+	// After calling send, do not use the event again.
+	Send()
+}