chore: upgrade dependencies. remove deprecated code. conform to linter style

irc/client.go

@@ -54,7 +54,7 @@ type Channel struct {
 
 type Client struct {
 	// tcp connection
-	TcpConn net.Conn
+	TCPConn net.Conn
 
 	// Host that client is connected to
 	Host string
@@ -98,7 +98,7 @@ type MsgFmtOpts struct {
 
 var notImpl = lipgloss.NewStyle().Foreground(ui.ErrorColor).Render("[NOT IMPL]")
 var serverMsgStyle = lipgloss.NewStyle().Foreground(ui.ServerMsgColor)
-var timestampStyle = serverMsgStyle.Copy()
+var timestampStyle = serverMsgStyle
 var dateStyle = lipgloss.NewStyle().Foreground(ui.DateColor)
 
 const CRLF = "\r\n"
@@ -127,7 +127,7 @@ func (c *Channel) AppendMsg(timestamp string, fullMsg string, opts MsgFmtOpts) {
 	c.History += prefixes + style.Render(fullMsg) + CRLF
 }
 
-func (s *Client) Initialize(host string, port string, tlsEnabled bool) {
+func (c *Client) Initialize(host string, port string, tlsEnabled bool) {
 	addr := fmt.Sprintf("%s:%s", host, port)
 
 	if tlsEnabled {
@@ -138,12 +138,12 @@ func (s *Client) Initialize(host string, port string, tlsEnabled bool) {
 			log.Fatal(err)
 		}
 
-		s.TcpConn = conn
-		s.Host = host
-		s.Port = port
-		s.ActiveChannel = host
-		s.Channels = make([]Channel, 0)
-		s.EnabledCapabilities = make(Capabilities, 0)
+		c.TCPConn = conn
+		c.Host = host
+		c.Port = port
+		c.ActiveChannel = host
+		c.Channels = make([]Channel, 0)
+		c.EnabledCapabilities = make(Capabilities, 0)
 		return
 	}
 
@@ -157,12 +157,12 @@ func (s *Client) Initialize(host string, port string, tlsEnabled bool) {
 		log.Fatal(err)
 	}
 
-	s.TcpConn = conn
-	s.Host = host
-	s.Port = port
-	s.ActiveChannel = host
-	s.Channels = make([]Channel, 0)
-	s.EnabledCapabilities = make(Capabilities, 0)
+	c.TCPConn = conn
+	c.Host = host
+	c.Port = port
+	c.ActiveChannel = host
+	c.Channels = make([]Channel, 0)
+	c.EnabledCapabilities = make(Capabilities, 0)
 }
 
 func (c *Client) Register(nick string, password string, channel string) {
@@ -198,7 +198,7 @@ func (c *Client) SetDay() {
 }
 
 func (c Client) SendCommand(cmd string, params ...string) {
-	if c.TcpConn == nil {
+	if c.TCPConn == nil {
 		// TODO: properly handle the error instead of Fatal-ing
 		log.Fatal("Attempted to write data to nil connection")
 	}
@@ -229,5 +229,5 @@ func (c Client) SendCommand(cmd string, params ...string) {
 		}
 	}
 
-	c.TcpConn.Write([]byte(cmd + paramsString + CRLF))
+	c.TCPConn.Write([]byte(cmd + paramsString + CRLF))
 }

irc/handler/handler.go

@@ -25,6 +25,8 @@ import (
 	"strings"
 	"time"
 
+	"slices"
+
 	"github.com/illusionman1212/gorc/cmds"
 	"github.com/illusionman1212/gorc/irc"
 	"github.com/illusionman1212/gorc/irc/commands"
@@ -33,7 +35,7 @@ import (
 
 func ReadLoop(client *irc.Client) {
 	// 512 bytes as a base + 8192 additional bytes for tags
-	r := bufio.NewReaderSize(client.TcpConn, 8192+512)
+	r := bufio.NewReaderSize(client.TCPConn, 8192+512)
 
 	for {
 		msg, err := r.ReadString('\n')
@@ -41,7 +43,7 @@ func ReadLoop(client *irc.Client) {
 			if err != io.EOF {
 				log.Println(err)
 			}
-			client.TcpConn.Close()
+			client.TCPConn.Close()
 			return
 		}
 
@@ -153,7 +155,7 @@ func handlePart(msg parser.IRCMessage, client *irc.Client) {
 	for i, c := range client.Channels {
 		if c.Name == channel {
 			if nick == client.Nickname {
-				client.Channels = append(client.Channels[:i], client.Channels[i+1:]...)
+				client.Channels = slices.Delete(client.Channels, i, i+1)
 				if client.ActiveChannelIndex >= i {
 					client.ActiveChannelIndex--
 					client.ActiveChannel = client.Channels[client.ActiveChannelIndex].Name

irc/parser/parser.go

@@ -115,9 +115,9 @@ func parseTags(rawTags string) Tags {
 
 func ParseIRCMessage(line string) (IRCMessage, bool) {
 	ircMessage := IRCMessage{}
-	multipleSpacesRegex := regexp.MustCompile("[^\\S\\t]+")
-	trailingParamRegex := regexp.MustCompile("[^\\S\\t]+:")
-	whitespaceRegex := regexp.MustCompile("^[^\\S\\t]+$")
+	multipleSpacesRegex := regexp.MustCompile(`[^\S\t]+`)
+	trailingParamRegex := regexp.MustCompile(`[^\S\t]+:`)
+	whitespaceRegex := regexp.MustCompile(`^[^\S\t]+$`)
 
 	if len(line) <= 0 {
 		// TODO: do something here ???