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@ -12,8 +12,8 @@
<br>
<!-- markdownlint-enable -->
`axum-htmx` is a small extension library providing extractors and request guards
for the various [htmx](https://htmx.org/) headers within
`axum-htmx` is a small extension library providing extractors, responders, and
request guards for all [htmx](https://htmx.org/) headers within
[axum](https://github.com/tokio-rs/axum). Additionally, the library exports
const values for all of the htmx headers, so there's no need to mess with
strings in your handlers.
@ -50,6 +50,27 @@ type.
| `HX-Trigger-Name` | `HxTriggerName` | `Option<String>` |
| `HX-Trigger` | `HxTrigger` | `Option<String>` |
## Responders
All of the [htmx response headers](https://htmx.org/reference/#response_headers)
have a supported responder. A responder is a simple type that implements
`IntoResponse`, allowing you to simply and safely apply the HX-* headers to any
of your responses.
| Header | Responder | Value |
|------------------|----------------|-------------------------------------|
| `HX-Location` | `HxLocation` | `axum::http::Uri` |
| `HX-Push-Url` | `HxPushUrl` | `axum::http::Uri` |
| `HX-Redirect` | `HxRedirect` | `axum::http::Uri` |
| `HX-Refresh` | `HxRefresh` | `bool` |
| `HX-Replace-Url` | `HxReplaceUrl` | `axum::http::Uri` |
| `HX-Reswap` | `HxReswap` | `axum_htmx::responders::SwapOption` |
| `HX-Retarget` | `HxRetarget` | `String |
| `HX-Reselect` | `HxReselect` | `String` |
| `HX-Trigger` | `HxResponseTrigger` | `String` or `axum_htmx::serde::HxEvent`|
| `HX-Trigger-After-Settle` | `HxResponseTriggerAfterSettle` | `String` or `axum_htmx::serde::HxEvent`|
| `HX-Trigger-After-Swap` | `HxResponseTriggerAfterSwap` | `String` or `axum_htmx::serde::HxEvent`|
## Request Guards
__Requires features `guards`.__
@ -93,6 +114,20 @@ async fn get_index(HxBoosted(boosted): HxBoosted) -> impl IntoResponse {
}
```
## Example: Responders
```rust
use axum_htmx::HxResponseTrigger;
// When we load our page, we will trigger any event listeners for "my-event.
async fn index() -> (&'static str, HxResponseTrigger) {
(
"Hello, world!",
HxResponseTrigger(vec!["my-event".to_string()]),
)
}
```
### Example: Router Guard
```rust
@ -115,8 +150,9 @@ fn router_two() -> Router {
<!-- markdownlint-disable -->
| Flag | Default | Description | Dependencies |
|----------|----------|----------------------------|---------------------------------------------|
|----------|----------|------------------------------------------|---------------------------------------------|
| `guards` | Disabled | Adds request guard layers. | `tower`, `futures-core`, `pin-project-lite` |
| `serde` | Disabled | Adds serde support for response headers. | `serde`, `serde_json` |
<!-- markdownlint-enable -->
## Contributing