Fix client.Read() context usage

cmd/salty-chat/read.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"context"
 	"fmt"
 	"os"
 	"os/signal"
@@ -9,7 +10,6 @@ import (
 	"github.com/mattn/go-isatty"
 	log "github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
-	"golang.org/x/net/context"
 
 	"go.salty.im/saltyim"
 )
@@ -76,32 +76,16 @@ func init() {
 }
 
 func read(follow bool, extraenvs, prehook, posthook string, args ...string) {
-	ctx, cancel := context.WithCancel(context.Background())
+	ctx, cancel := signal.NotifyContext(context.Background(), os.Interrupt, syscall.SIGTERM)
 	defer cancel()
 
-	sigs := make(chan os.Signal, 1)
-	signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
-
-	go func() {
-		<-sigs
-		cancel()
-	}()
-
 	opts := []saltyim.ReadOption{
 		saltyim.WithExtraEnvs(extraenvs),
 		saltyim.WithPreHook(prehook),
 		saltyim.WithPostHook(posthook),
 	}
 
-	if follow {
-		for msg := range cli.Subscribe(ctx, opts...) {
-			if isatty.IsTerminal(os.Stdout.Fd()) {
-				fmt.Println(saltyim.FormatMessage(msg.Text))
-			} else {
-				fmt.Println(msg.Text)
-			}
-		}
-	} else {
+	if !follow {
 		msg, err := cli.Read(opts...)
 		if err != nil {
 			if err == saltyim.ErrNoMessages {
@@ -115,5 +99,19 @@ func read(follow bool, extraenvs, prehook, posthook string, args ...string) {
 		} else {
 			fmt.Println(msg.Text)
 		}
+		return
+	}
+
+	msgs := cli.Subscribe(ctx, opts...)
+	select {
+	case msg := <-msgs:
+		if isatty.IsTerminal(os.Stdout.Fd()) {
+			fmt.Println(saltyim.FormatMessage(msg.Text))
+		} else {
+			fmt.Println(msg.Text)
+		}
+	case <-ctx.Done():
+		close(msgs)
+		return
 	}
 }

internal/web/app.wasm

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:a41cea81148f0a7b01c94011223272c9bcbd86ea086f4338d7b6cca2258a2e38
-size 29761883
+oid sha256:11a097d990f4dfee2f727c9aac96ba1bc46bac19e1803da3114dcc786b20f0c6
+size 30206460