Group element helpers in different files (#21)

According to the section at https://developer.mozilla.org/en-US/docs/Web/HTML/Element

1 files changed, 52 insertions, 0 deletions

diff --git a/el/form.go b/el/form.go
new file mode 100644
index 0000000..9ada591
--- /dev/null
+++ b/el/form.go
@@ -0,0 +1,52 @@
+package el
+
+import (
+	"fmt"
+
+	g "github.com/maragudk/gomponents"
+)
+
+// Button returns an element with name "button" and the given children.
+func Button(children ...g.Node) g.NodeFunc {
+	return g.El("button", children...)
+}
+
+// Form returns an element with name "form", the given action and method attributes, and the given children.
+func Form(action, method string, children ...g.Node) g.NodeFunc {
+	return g.El("form", prepend2(g.Attr("action", action), g.Attr("method", method), children)...)
+}
+
+// Input returns an element with name "input", the given type and name attributes, and the given children.
+// Note that "type" is a keyword in Go, so the parameter is called typ.
+func Input(typ, name string, children ...g.Node) g.NodeFunc {
+	return g.El("input", prepend2(g.Attr("type", typ), g.Attr("name", name), children)...)
+}
+
+// Label returns an element with name "label", the given for attribute, and the given children.
+// Note that "for" is a keyword in Go, so the parameter is called forr.
+func Label(forr string, children ...g.Node) g.NodeFunc {
+	return g.El("label", prepend(g.Attr("for", forr), children)...)
+}
+
+// Option returns an element with name "option", the given text content and value attribute, and the given children.
+func Option(text, value string, children ...g.Node) g.NodeFunc {
+	return g.El("option", prepend2(g.Attr("value", value), g.Text(text), children)...)
+}
+
+// Progress returns an element with name "progress", the given value and max attributes, and the given children.
+func Progress(value, max float64, children ...g.Node) g.NodeFunc {
+	return g.El("progress", prepend2(
+		g.Attr("value", fmt.Sprintf("%v", value)),
+		g.Attr("max", fmt.Sprintf("%v", max)),
+		children)...)
+}
+
+// Select returns an element with name "select", the given name attribute, and the given children.
+func Select(name string, children ...g.Node) g.NodeFunc {
+	return g.El("select", prepend(g.Attr("name", name), children)...)
+}
+
+// Textarea returns an element with name "textarea", the given name attribute, and the given children.
+func Textarea(name string, children ...g.Node) g.NodeFunc {
+	return g.El("textarea", prepend(g.Attr("name", name), children)...)
+}