added <i> tag

Author: John Doak

html/i.go

@@ -0,0 +1,37 @@
+package html
+
+import (
+	"html/template"
+	"strings"
+)
+
+var iTmpl = template.Must(template.New("i").Parse(strings.TrimSpace(`
+<i {{.Self.Attr }} {{.Self.GlobalAttrs.Attr}} {{.Self.Events.Attr}}>
+	{{- $data := .}}
+	{{- .Self.Element.Execute $data}}
+</i>
+`)))
+
+// I defines a part of text in an alternate voice or mood.
+type I struct {
+	GlobalAttrs
+
+	Element TextElement
+
+	Events *Events
+}
+
+func (i *I) Attr() template.HTMLAttr {
+	output := structToString(i)
+	return template.HTMLAttr(output)
+}
+
+func (i *I) Execute(pipe Pipeline) string {
+	pipe.Self = i
+
+	if err := iTmpl.Execute(pipe.W, pipe); err != nil {
+		panic(err)
+	}
+
+	return EmptyString
+}

html/i_test.go

@@ -0,0 +1,43 @@
+package html
+
+import (
+	"context"
+	"strings"
+	"testing"
+)
+
+func TestI(t *testing.T) {
+	tests := []struct {
+		desc string
+		i    *I
+		want string
+	}{
+		{
+			desc: "Empty attributes",
+			i:    &I{},
+			want: `<i   >
+</i>`,
+		},
+		{
+			desc: "All attributes + 1 global + 1 event",
+			i: &I{
+				GlobalAttrs: GlobalAttrs{
+					AccessKey: "key",
+				},
+				Element:       TextElement("text"),
+				Events:         (&Events{}).AddScript(OnError, "handleError"),
+			},
+			want: `<i  accesskey="key" onerror="handleError">text
+</i>`,
+		},
+	}
+
+	for _, test := range tests {
+		got := &strings.Builder{}
+		pipe := NewPipeline(context.Background(), nil, got)
+		test.i.Execute(pipe)
+		if test.want != got.String() {
+			t.Errorf("TestI(%s): \n\tgot  %q\n\twant %q", test.desc, got, test.want)
+		}
+	}
+}

html/textarea.go

@@ -47,7 +47,7 @@ type TextArea struct {
 	Wrap WrapType
 	// Placeholder specifies a short hint that describes the expected value of a text area.
 	Placeholder string
-	
+
 	// AutoFocus specifies that a text area should automatically get focus when the page loads.
 	AutoFocus bool `html:"attr"`
 	// Disabled specifies that a text area should be disabled.