this_algorithm/xpin-wasm/index.js

// import init, { log_to_address, greet } from "./pkg/xpin_wasm.js";
// init().then(() => {
//     console.log(greet());
// });

import init, { address_from_lat_lon, address_to_lat_lon } from "./pkg/xpin_wasm.js";
init().then(() => {
  let updateEncode = () => {
    if (!encodeAddressLat.value || !encodeAddressLon.value) {
        encodeAddressResult.value = "";
        encodeAddressError.textContent = "";
        return;
    }

    let lat = parseFloat(encodeAddressLat.value);
    let lon = parseFloat(encodeAddressLon.value);

    try {
        encodeAddressResult.value = address_from_lat_lon(lat, lon);
        encodeAddressError.textContent = "";
    } catch(e) {
        encodeAddressResult.value = "";
        encodeAddressError.textContent = e;
    }
  };

  let updateDecode = () => {
      let addressString = decodeAddressInput.value.trim();
      if (!addressString) {
          return;
      }

      try {
          let latLon = address_to_lat_lon(addressString);

          decodeAddressError.textContent = "";
          decodeAddressLat.value = latLon[0];
          decodeAddressLon.value = latLon[1];
      } catch(e) {
          decodeAddressError.textContent = e;
          decodeAddressLat.value = "";
          decodeAddressLon.value = "";
      }
  }

  // Bind events
  encodeAddressLat.addEventListener("input", updateEncode);
  encodeAddressLon.addEventListener("input", updateEncode);
  decodeAddressInput.addEventListener("input", updateDecode);

  // Run in case either field contains data
  updateEncode();
  updateDecode();
});