stonewareslord/this_algorithm
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Implement wasm bindgen initial version

Browse Source
This commit is contained in:
Austen Adler 2023-02-25 14:12:18 -05:00
parent 0edb09c632
commit 7b88580fe7
3 changed files with 46 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
this_algorithm-wasm/index.html
View File

@ -5,11 +5,16 @@
<title>hello-wasm example</title>
</head>
<body>
<script type="module">
import init, { greet } from "./pkg/this_algorithm_wasm.js";
init().then(() => {
greet("WebAssembly");
});
<input id="address-lat" type="text"></input>
<input id="address-lon" type="text"></input>
<p id="address-result">(None)</p>
<script>
const addressResult = document.getElementById("address-result");
const addressLat = document.getElementById("address-lat");
const addressLon = document.getElementById("address-lon");
var lta;
</script>
<script type="module" src="index.js">
</script>
</body>
</html>

23
this_algorithm-wasm/index.js Normal file
View File

@ -0,0 +1,23 @@
// import init, { log_to_address, greet } from "./pkg/this_algorithm_wasm.js";
// init().then(() => {
// console.log(greet());
// });
import init, { address_lat_lon } from "./pkg/this_algorithm_wasm.js";
init().then(() => {
let update = () => {
let lat = parseFloat(addressLat.value);
let lon = parseFloat(addressLon.value);
if (!(lat || lat == 0.0) && !(lon || lon == 0.0)) {
return;
}
let ret = address_lat_lon(lat, lon);
addressResult.textContent = ret;
};
addressLat.addEventListener("input", update);
addressLon.addEventListener("input", update);
update();
});

16
this_algorithm-wasm/src/lib.rs
View File

@ -1,11 +1,21 @@
use this_algorithm::Address;
use wasm_bindgen::prelude::*;
#[wasm_bindgen]
extern "C" {
pub fn alert(s: &str);
// fn alert(s: &str);
#[wasm_bindgen(js_namespace = console, js_name = log)]
fn log_str(s: &str);
}
#[wasm_bindgen]
pub fn greet(name: &str) {
alert(&format!("Hello, {}!", name));
pub fn address_lat_lon(lat: f64, lon: f64) -> Result<String, String> {
Address::from_lat_lon(lat, lon)
.map(|a| a.to_string())
.map_err(|e| e.to_string())
}
// #[wasm_bindgen]
// pub fn to_lat_lon(address: &str) -> Result>< {
// }