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Questions tagged [web-sys]

22 questions
3
votes
2 answers

expected `()`, found opaque type for async function

I am following a guide for setting up a WebRTC data-channel with web-sys. I can copy and paste the code and it compiles correctly. The start() function is async which makes it possible to await a JsFuture inside the main scope, however I am trying…
Kevin
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3
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web-sys define js_sys::Function

How do I define a js_sys::Function that must be used in get_current_position to get the users latitude and longitude coordinates? I have the following let navigator = web_sys::window().expect("Missing window").navigator(); let geolocation =…
Kevin
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2
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0 answers

How to pass 64 bit float uniform to webgl shaders from wasm?

I'm currently attempting to interface with a webgl2 canvas from a WASM program using wasm_bindgen and the web_sys crate. I am passing two vectors into my fragment shader as uniforms however I cant determine how to send them as double precision. It…
Giraugh
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2
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1 answer

How to make POST request with JSON body using web-sys in WebAssembly?

How to create POST request with JSON body using web-sys in WebAssembly? This example below showing how to make GET request, I need to change opts.method("GET"); to opts.method("POST"); but how can i pass a JSON body to the reqeuest. let mut opts…
obei
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2
votes
1 answer

How to query and update the DOM with yew?

Is there any way to make DOM action via use_node_ref? or alternatively, how to do document.query_selector() in Rust using yew? use web_sys::HtmlInputElement; use yew::{ function_component, functional::*, html, NodeRef,…
Ali Husham
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1
vote
2 answers

How to invoke (Rust) web-sys AngleInstancedArrays?

https://developer.mozilla.org/en-US/docs/Web/API/ANGLE_instanced_arrays Given WebGL2RenderingContext as gl. We have gl.draw_arrays_instanced. There is also a web-sys object: web_sys::AngleInstancedArrays with functions like…
kulicuu
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1
vote
1 answer

How can I get a field of WebGlContextAttributes?

My case is like this, I just want to get the field of WebGlContextAttributes struct. let antialias_info = gl.get_context_attributes().unwrap(); match antialias_info.antialias { // ... } I get the following error: attempted to take value of…
holy zheng
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0
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1 answer

No click method defined on element when created via web_sys

In the JavaScript console, I can execute the following to create an element and demonstrate that it has a click method. let input = document.createElement("input"); input.type = "file"; console.log(input.click); // ƒ click() { [native code]…
Huckle
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0
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1 answer

Is there any way to cast a Callback into FnMut(MouseEvent)?

I'm implementing material 3 from scratch with web_sys and writing some adapters for different frameworks among them yew. I have implemented a basic structure for buttons something like this to use like this. This works fine on web_sys but I'm trying…
al3x
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0
votes
0 answers

animationcancel event fired off in Chrome but not in Firefox - CSSAnimation's playState property returns Finished

I'm using the web_sys crate in Rust to manually set a div's animation property: let animation1 = format!("animation1 {}ms ease-in-out forwards", DURATION); // html_element is type web_sys::HtmlElement …
brianxk
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How to `animate` an object using web-sys and js-sys

I've been trying to emulate this javascript code in a frontend framework and haven't been able to get much traction. window.onpointermove = event => { const { clientX, clientY } = event; blob.animate({ left: `${clientX}px`, top:…
financial_physician
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Bevy - Render to wgpu::Texture

I am looking for an elegant and hopefully bevy-esque way of rendering to a wgpu::Texture. The reason is that I'm am implementing a WebXR libary and the WebXRFramebuffer must be rendered to in immersive XR. let framebuffer = //get framebuffer from…
chantey
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0
votes
1 answer

How to convert a string to Blob in web_sys?

I am trying to convert a string to blob using web_sys let json_string = json::stringify(data); let json_jsvalue = JsValue::from_str(&json_string); let json_blob_result = Blob::new_with_str_sequence(&json_jsvalue); let json_blob =…
Amiya Behera
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0
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2 answers

How to select a file as bytes or text in Rust WASM?

I am trying to get the Vec or String (or more ideally a Blob ObjectURL) of a file uploaded as triggered by a button click. I am guessing this will require an invisible somewhere in the DOM but I can't figure out how to leverage web_sys…
Durfsurn
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0
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0 answers

Make DOM load in web_sys

How would I modify this to get the result below? The thing is there is no iterable. I am not sure what I am doing at this point as this code was AI generated. But my desired result it the js code snippet below. use web_sys::{Element,…
collinsmarra
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