init - add project files

ui/extensions.go

@@ -0,0 +1,76 @@
+// This file contains a few extensions to the "gomponents" library.
+package ui
+
+import (
+	"maxwarden/security"
+
+	. "maragu.dev/gomponents"
+)
+
+// Map a `map[T]U` to a [Group]
+func MapMap[T comparable, U comparable](m map[T]U, cb func(U) Node) Group {
+	var nodes []Node
+
+	for k, _ := range m {
+		nodes = append(nodes, cb(m[k]))
+	}
+
+	return nodes
+}
+
+// Map a `map[T]U` to a [Group]
+// The callback provided must take the map key as an argument
+func MapMapWithKey[T comparable, U comparable](m map[T]U, cb func(T, U) Node) Group {
+	var nodes []Node
+
+	for k, _ := range m {
+		nodes = append(nodes, cb(k, m[k]))
+	}
+
+	return nodes
+}
+
+// Map a slice of anything to a [Group] (which is just a slice of [Node]-s).
+// The callback must accept the index as an argument.
+func MapWithIndex[T any](collection []T, callback func(index int, item T) Node) Group {
+	nodes := make([]Node, 0, len(collection))
+	for index, item := range collection {
+		nodes = append(nodes, callback(index, item))
+	}
+	return nodes
+}
+
+func IfElse(condition bool, t Node, f Node) Node {
+	if condition {
+		return t
+	} else {
+		return f
+	}
+}
+
+func IffElse(condition bool, t func() Node, f func() Node) Node {
+	if condition {
+		return t()
+	} else {
+		return f()
+	}
+}
+
+// Sanitizes user input HTML
+func SafeRaw(html string) Node {
+	sanitized := security.SanitizationPolicy.Sanitize(html)
+	return Raw(sanitized)
+}
+
+func CSSID(input string) string {
+	return "#" + input
+}
+
+// For some reason this isn't included in the base distribution
+func Template(children ...Node) Node {
+	return El("template", children...)
+}
+
+func Open() Node {
+	return Attr("open")
+}