lbc 0.1.19

A Leptos component library based on the Bulma CSS framework.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132

/*!
Leptos version of Bulma Block element.

Bulma docs: https://bulma.io/documentation/elements/block/
*/

use leptos::prelude::{
    Children, ClassAttribute, CustomAttribute, ElementChild, GetUntracked, IntoView, Signal,
    component, view,
};

use crate::util::TestAttr;

/// Bulma’s most basic spacer block
#[component]
pub fn Block(
    /// Additional CSS classes to append to the base "block" class
    #[prop(optional, into)]
    classes: Option<Signal<String>>,

    /// Optional test attribute (renders as data-* attribute) on the root <div>.
    ///
    /// When provided as a &str or String, this becomes `data-testid="value"`.
    /// You can also pass a full `TestAttr` to override the attribute key.
    #[prop(optional, into)]
    test_attr: Option<TestAttr>,

    /// Child content to render inside the block
    children: Children,
) -> impl IntoView {
    // Build class attribute: "block [extra classes]"
    let mut class_attr = String::from("block");

    if let Some(extra) = classes {
        let extra_val = extra.get_untracked();
        if !extra_val.trim().is_empty() {
            class_attr.push(' ');
            class_attr.push_str(extra_val.trim());
        }
    }

    let (data_testid, data_cy) = match &test_attr {
        Some(attr) if attr.key == "data-testid" => (Some(attr.value.clone()), None),
        Some(attr) if attr.key == "data-cy" => (None, Some(attr.value.clone())),
        _ => (None, None),
    };

    view! {
        <div
            class=class_attr
            attr:data-testid=move || data_testid.clone()
            attr:data-cy=move || data_cy.clone()
        >
            {children()}
        </div>
    }
}

#[cfg(test)]
mod tests {
    use super::*;
    use leptos::prelude::RenderHtml;

    #[test]
    fn block_renders_default() {
        let html = view! { <Block>"X"</Block> }.to_html();
        assert!(
            html.contains(r#"class="block""#),
            "expected base 'block' class, got: {}",
            html
        );
        assert!(html.contains('X'));
    }

    #[test]
    fn block_with_extra_classes() {
        let html = view! { <Block classes="my cls">"Y"</Block> }.to_html();
        assert!(
            html.contains(r#"class="block my cls""#),
            "expected combined classes, got: {}",
            html
        );
        assert!(html.contains('Y'));
    }

    #[test]
    fn block_renders_test_id() {
        let html = view! {
            <Block test_attr=TestAttr::test_id("block-test")>"Content"</Block>
        }
        .to_html();

        assert!(
            html.contains(r#"data-testid="block-test""#),
            "expected data-testid attribute; got: {}",
            html
        );
    }

    #[test]
    fn block_no_test_id_when_not_provided() {
        let html = view! {
            <Block>"Content"</Block>
        }
        .to_html();

        assert!(
            !html.contains("data-testid") && !html.contains("data-cy"),
            "expected no test attribute; got: {}",
            html
        );
    }

    #[test]
    fn block_accepts_custom_test_attr_key() {
        let html = view! {
            <Block test_attr=TestAttr::new("data-cy", "block-cy")>"Content"</Block>
        }
        .to_html();

        assert!(
            html.contains(r#"data-cy="block-cy""#),
            "expected custom data-cy attribute; got: {}",
            html
        );
    }
}

#[cfg(all(test, target_arch = "wasm32"))]
mod wasm_tests {
    // No wasm-specific tests needed for now.
}