Change alias list output format to YAML (#6603)

Co-authored-by: Mislav Marohnić <mislav@github.com>

pkg/cmd/alias/list/list.go

@@ -1,14 +1,12 @@
 package list
 
 import (
-	"sort"
-
 	"github.com/MakeNowJust/heredoc"
 	"github.com/cli/cli/v2/internal/config"
 	"github.com/cli/cli/v2/pkg/cmdutil"
 	"github.com/cli/cli/v2/pkg/iostreams"
-	"github.com/cli/cli/v2/utils"
 	"github.com/spf13/cobra"
+	"gopkg.in/yaml.v3"
 )
 
 type ListOptions struct {
@@ -50,23 +48,11 @@ func listRun(opts *ListOptions) error {
 	aliasCfg := cfg.Aliases()
 
 	aliasMap := aliasCfg.All()
+
 	if len(aliasMap) == 0 {
 		return cmdutil.NewNoResultsError("no aliases configured")
 	}
 
-	//nolint:staticcheck // SA1019: utils.NewTablePrinter is deprecated: use internal/tableprinter
-	tp := utils.NewTablePrinter(opts.IO)
-	keys := []string{}
-	for alias := range aliasMap {
-		keys = append(keys, alias)
-	}
-	sort.Strings(keys)
-
-	for _, alias := range keys {
-		tp.AddField(alias+":", nil, nil)
-		tp.AddField(aliasMap[alias], nil, nil)
-		tp.EndRow()
-	}
-
-	return tp.Render()
+	enc := yaml.NewEncoder(opts.IO.Out)
+	return enc.Encode(aliasMap)
 }

pkg/cmd/alias/list/list_test.go

@@ -38,7 +38,20 @@ func TestAliasList(t *testing.T) {
 				  gc: "!gh gist create \"$@\" | pbcopy"
 			`),
 			isTTY:      true,
-			wantStdout: "co:  pr checkout\ngc:  !gh gist create \"$@\" | pbcopy\n",
+			wantStdout: "co: pr checkout\ngc: '!gh gist create \"$@\" | pbcopy'\n",
+			wantStderr: "",
+		},
+		{
+			name: "multiline",
+			config: heredoc.Doc(`
+				aliases:
+				  one: "foo\nbar\n"
+				  two: |-
+				    !chicken
+				    coop
+			`),
+			isTTY:      true,
+			wantStdout: "one: |\n    foo\n    bar\ntwo: |-\n    !chicken\n    coop\n",
 			wantStderr: "",
 		},
 	}