iota.rs wasm

index.js

const wasm = import('./pkg/iota_wasm')

class Client {
    constructor(uri) {
        this.clientConfig = {
            uri
        }
    }

    getNodeInfo() {
        return wasm().then(({ get_node_info, ClientConfig }) => {
          return get_node_info(new ClientConfig(this.clientConfig.uri))
        })
    }
}

module.exports = Client

main.rs

use wasm_bindgen::prelude::*;
use iota::client::response::{GetNodeInfoResponse};

#[wasm_bindgen]
pub struct ClientConfig {
    uri: String
}

#[wasm_bindgen]
impl ClientConfig {
    #[wasm_bindgen(constructor)]
    pub fn new(uri: String) -> Self {
        ClientConfig { uri }
    }
}

#[wasm_bindgen]
pub async fn get_node_info(client_config: ClientConfig) -> Result<JsValue, JsValue> {
    let client = iota::Client::new(&client_config.uri);
    let node_info = client.get_node_info()
        .await
        .map_err(|e| JsValue::from(e.to_string()))?;
    let res = JsValue::from_serde(&node_info)
        .map_err(|e| JsValue::from(e.to_string()))?;
    Ok(res)
}