stardom_nodes/
macros.rs

1use stardom_macros::create_tagged_macros;
2
3#[macro_export]
4macro_rules! text_node {
5    ($content:expr $(;* $parent:expr)?) => {{
6        let text = stardom_nodes::Node::text();
7
8        let t = ::std::clone::Clone::clone(&text);
9        stardom_reactive::effect(move || {
10            let content = ::std::string::ToString::to_string(&$content);
11            stardom_nodes::Node::set_text(&t, &content);
12        });
13
14        $(stardom_nodes::Node::insert($parent, &text, None);)?
15        text
16    }};
17}
18
19#[macro_export]
20macro_rules! raw_node {
21    ($content:expr $(;* $parent:expr)?) => {{
22        let raw = stardom_nodes::Node::raw();
23
24        let r = ::std::clone::Clone::clone(&raw);
25        stardom_reactive::effect(move || {
26            let content = ::std::string::ToString::to_string(&$content);
27            stardom_nodes::Node::set_text(&r, &content);
28        });
29
30        $(stardom_nodes::Node::insert($parent, &raw, None);)?
31        raw
32    }}
33}
34
35#[macro_export]
36macro_rules! element {
37    ($name:expr, $($body:tt)*) => {{
38        let name = ::std::string::ToString::to_string(&$name);
39        let element = stardom_nodes::Node::element(None, &name);
40
41        let parent = stardom_macros::node_body!(&element, $($body)*);
42        if let Some(parent) = parent {
43            stardom_nodes::Node::insert(parent, &element, None);
44        }
45
46        element
47    }};
48}
49
50#[macro_export]
51macro_rules! fragment {
52    ($($body:tt)*) => {{
53        let fragment = stardom_nodes::Node::fragment();
54
55        let parent = stardom_macros::node_body!(&fragment, $($body)*);
56        if let Some(parent) = parent {
57            stardom_nodes::Node::insert(parent, &fragment, None);
58        }
59
60        fragment
61    }};
62}
63
64create_tagged_macros!(stardom_nodes::element);
65
66#[macro_export]
67macro_rules! show {
68    ($condition:expr, { $($body:tt)* } ;* $parent:expr) => {{
69        let fragment = stardom_nodes::Node::fragment();
70        let child = stardom_nodes::Node::fragment();
71
72        let _: Option<()> = stardom_macros::node_body!(&child, $($body)*);
73
74        let f = ::std::clone::Clone::clone(&fragment);
75        let last = ::std::cell::Cell::new(false);
76        stardom_reactive::effect(move || {
77            let now = $condition;
78            if now == last.get() {
79                return;
80            } else {
81                last.set(now);
82            }
83
84            if $condition {
85                stardom_nodes::Node::insert(&f, &child, None);
86            } else {
87                stardom_nodes::Node::remove(&f, &child);
88            }
89        });
90
91        stardom_nodes::Node::insert($parent, &fragment, None);
92    }};
93}
stardom_nodes/macros.rs

stardom_nodes/
macros.rs
