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For a Rust WebAssembly front end that needs status badges without writing the component from scratch, the most directly documented starting points are the Badge components from Rust/UI, which has versions for both Leptos and Dioxus. Each version includes a short usage example, common visual variants, semantic status colors, and a way to pass custom CSS classes. The part that often surprises Rust developers is the install model: Rust/UI is a copy-and-paste component collection, not a runtime package you import, so the code ends up in your own project.
This guide covers Leptos and Dioxus only. The badge documentation I could verify for other Rust WASM frameworks, including Yew, was not comparable, so I have not included them in the comparison.
Which badge option to start with
Three options are relevant, and they solve different problems. Two are ready-made badge components. The third is a general bridge that can expose a Dioxus component to non-Rust pages, and it is not a badge package.
| Option | Badge documentation | Setup model | Best fit | Limits |
|---|---|---|---|---|
| Rust/UI Badge for Leptos | Basic example; default, secondary, destructive and outline variants; success, warning and info semantic examples; custom class example; right-to-left (RTL) example | CLI, or manually copied component code | Leptos apps that want a working starting component | Install commands and compatibility change with releases; check the current Rust/UI pages before you copy anything |
| Rust/UI Badge for Dioxus | Basic RSX example; common variants; semantic colors; custom classes | CLI, or manually copied component code | Dioxus apps written in RSX that want the same Rust/UI look | Same currency caveat as the Leptos version |
| dioxus_web_component bridge (version 0.4.0 on docs.rs) | Not badge-specific. It is a general bridge for exposing a Dioxus component as a web component | Procedural macro, registration through wasm-bindgen, packaging through wasm-pack | Teams that need a Dioxus component usable as a custom element in other front ends | Documented limitations, listed below |
Performance, bundle size and rendering speed are not stated in the Rust/UI pages or the framework documentation I reviewed, so this comparison rests on features and setup, not measured results.
#1 Best Overall
How Rust/UI components reach your project
Rust/UI describes its components as copy-and-paste code, supported by a CLI that installs components into projects and supports more than one framework. In practice, the badge source becomes part of your repository. That gives you full control over markup and classes, but it also means updates from upstream are not applied automatically.
The CLI path
Use the CLI when you want the generated files placed for you. Before running it, confirm the package name and the framework target on the Rust/UI site, because the CLI is the part of the workflow most likely to change between releases.
Rank #2
The manual path
The manual route copies the component code from the Rust/UI page into your own module tree. It is slower, but it makes the dependency visible: you can see exactly what the badge uses and adapt it without fighting a wrapper.
Before you install
- Confirm that your project already builds and runs a minimal page for your framework version.
- Check the Rust/UI page for the framework you are targeting, not the other one. The Leptos and Dioxus versions are separate components with separate examples.
- Decide where the copied file will live, and keep it in version control so that later edits are visible in diffs.
Who will find these badges easy to use
“Easy” depends on your background. The Leptos book describes itself as “an introduction to the Leptos Web framework” and assumes familiarity with Rust, HTML, CSS, the DOM and basic Web APIs. It also says that prior experience with React, Svelte, Yew or Dioxus may help. A developer who knows Rust and basic web development can usually get a badge rendering from the example alone. A developer new to both Rust and the browser will need to learn the framework first.
Rank #3
Using a Badge in Leptos
The Rust/UI Leptos Badge page covers the following, according to its published description:
- Basic usage: one example that shows the component in its simplest form.
- Variants: default, secondary, destructive and outline.
- Semantic colors: success, warning and info examples, so status meaning is not conveyed by color alone only if you add text, which the examples do.
- Customization: a class example for adjusting the look without editing the component.
- Right-to-left layout: an RTL example, useful if your interface is bidirectional.
Keep the variant names from the page when you write your own usage. If you rename them in the copied source, your call sites must change too.
Using a Badge in Dioxus
The Rust/UI Dioxus Badge page provides a basic RSX example, the common variants, semantic colors and custom classes. It does not list an RTL example, so do not assume one is provided. The same copy-and-paste model applies, so the same rule holds: keep the component source under your control and review it when you upgrade your Rust/UI-derived code.
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If you want a Dioxus component to be used from pages that are not written in Dioxus, the dioxus_web_component crate is the documented route. Its docs.rs page lists version 0.4.0 and describes a bridge that “exposes a Dioxus component as a web component.” It is a general mechanism, not a badge library, so you would still need to write or import a badge component in Dioxus first.
The crate’s documented limitations are important before you commit to this route:
Quick Recap
- The extension is limited to HTMLElement.
- Annotations must follow the constraints the crate documents.
- There is no JavaScript-callable method for the exposed component.
- Property getters return Promises.
Choosing between them
- Building a Leptos app: start with the Rust/UI Leptos Badge. It has the most complete example set of the options described here.
- Building a Dioxus app: use the Rust/UI Dioxus Badge, and expect the same copy-and-paste workflow.
- Need a Dioxus badge inside a non-Dioxus page: evaluate the dioxus_web_component route, and test the listed limitations against your own usage before relying on it.
- Using Yew or another Rust WASM framework: this guide does not establish a comparable badge component for those frameworks. Search their own component libraries directly.
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