alef 0.19.15

Opinionated polyglot binding generator for Rust libraries
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

fn nodecontext_to_js_value(
    ctx: &{{ core_crate }}::visitor::NodeContext,
) -> wasm_bindgen::JsValue {
    let obj = js_sys::Object::new();
    js_sys::Reflect::set(&obj, &wasm_bindgen::JsValue::from_str("nodeType"), &wasm_bindgen::JsValue::from_str(&format!("{:?}", ctx.node_type))).ok();
    js_sys::Reflect::set(&obj, &wasm_bindgen::JsValue::from_str("tagName"), &wasm_bindgen::JsValue::from_str(&ctx.tag_name)).ok();
    js_sys::Reflect::set(&obj, &wasm_bindgen::JsValue::from_str("depth"), &wasm_bindgen::JsValue::from_f64(ctx.depth as f64)).ok();
    js_sys::Reflect::set(&obj, &wasm_bindgen::JsValue::from_str("indexInParent"), &wasm_bindgen::JsValue::from_f64(ctx.index_in_parent as f64)).ok();
    js_sys::Reflect::set(&obj, &wasm_bindgen::JsValue::from_str("isInline"), &wasm_bindgen::JsValue::from_bool(ctx.is_inline)).ok();
    let parent_tag_val = match &ctx.parent_tag {
        Some(s) => wasm_bindgen::JsValue::from_str(s),
        None => wasm_bindgen::JsValue::null(),
    };
    js_sys::Reflect::set(&obj, &wasm_bindgen::JsValue::from_str("parentTag"), &parent_tag_val).ok();
    let attrs = js_sys::Object::new();
    for (k, v) in &ctx.attributes {
        js_sys::Reflect::set(&attrs, &wasm_bindgen::JsValue::from_str(k), &wasm_bindgen::JsValue::from_str(v)).ok();
    }
    js_sys::Reflect::set(&obj, &wasm_bindgen::JsValue::from_str("attributes"), &attrs).ok();
    obj.into()
}

pub struct {{ struct_name }} {
    js_obj: wasm_bindgen::JsValue,
}

impl std::fmt::Debug for {{ struct_name }} {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        write!(f, "{{ struct_name }}")
    }
}

impl {{ struct_name }} {
    pub fn new(js_obj: wasm_bindgen::JsValue) -> Self {
        Self { js_obj }
    }
}

// SAFETY: WebAssembly is single-threaded — there is exactly one thread per wasm
// instance, so `JsValue` is never actually accessed from multiple threads
// simultaneously. These impls are required to satisfy the `Arc<Mutex<dyn
// HtmlVisitor + Send>>` type alias for `VisitorHandle`.
unsafe impl Send for {{ struct_name }} {}
// SAFETY: see Send impl above.
unsafe impl Sync for {{ struct_name }} {}

impl {{ trait_path }} for {{ struct_name }} {
{%- for method in methods %}
    {{ method.code }}
{%- endfor %}
}