[yew-devel] [PATCH yew-widget-toolkit 1/2] dom: add convenience functions to get often used elements

Mon May 5 10:27:35 CEST 2025

On Mon May 5, 2025 at 10:13 AM CEST, Dietmar Maurer wrote:
> We can use gloo_utils instead?
>

I'd also prefer gloo_utils here, especially because that also uses the
`UnwraptThrowExt` traits, which is a bit nicer [1] and pwt already
depends on it indirectly anyway (through, e.g., gloo-history).

[1]: https://docs.rs/gloo-utils/latest/src/gloo_utils/lib.rs.html

>> On 2.5.2025 14:49 CEST Dominik Csapak <d.csapak at proxmox.com> wrote:
>>
>>
>> Namely window/document/body. We use them throughout our codebase with
>> inline unwraps, instead we can use these helpers instead.
>>
>> Signed-off-by: Dominik Csapak <d.csapak at proxmox.com>
>> ---
>>  src/dom/mod.rs | 20 +++++++++++++++++++-
>>  1 file changed, 19 insertions(+), 1 deletion(-)
>>
>> diff --git a/src/dom/mod.rs b/src/dom/mod.rs
>> index f61dd21..679fab7 100644
>> --- a/src/dom/mod.rs
>> +++ b/src/dom/mod.rs
>> @@ -13,7 +13,7 @@ pub use dom_size_observer::{DomSizeObserver, IntoSizeCallback, SizeCallback};
>>  mod dom_visibility_observer;
>>  pub use dom_visibility_observer::DomVisibilityObserver;
>>
>> -use web_sys::Node;
>> +use web_sys::{window, Document, HtmlElement, Node, Window};
>>  use yew::prelude::*;
>>
>>  /// A Trait to convert structs into HtmlElement when possible
>> @@ -77,3 +77,21 @@ pub fn get_system_prefer_dark_mode() -> bool {
>>          false
>>      }
>>  }
>> +
>> +/// Convenience function to get the [`Window`] object.
>> +/// Panics if not in a browser context
>> +pub fn get_window() -> Window {
>> +    window().unwrap()
>> +}
>> +
>> +/// Convenience function to get the [`Document`] object.
>> +/// Panics if not in a browser context
>> +pub fn get_document() -> Document {
>> +    get_window().document().unwrap()
>> +}
>> +
>> +/// Convenience function to get the a reference to the <body> tag as [`HtmlElement`].
>> +/// Panics if not in a browser context
>> +pub fn get_body() -> HtmlElement {
>> +    get_document().body().unwrap()
>> +}
>> --
>> 2.39.5
>>
>>
>>
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