Code Samples
Community Forum

Localities autocomplete and details

Use the LocalitiesService to autocomplete and get details of localities, postal codes or addresses.
  1. Example
  2. Running the Sample Locally

Example

Localities autocomplete and details
        let map: woosmap.map.Map;
let marker: woosmap.map.Marker;
let infoWindow: woosmap.map.InfoWindow;
let localitiesService: woosmap.map.LocalitiesService;
let request: woosmap.map.localities.LocalitiesAutocompleteRequest;
let debouncedLocalitiesAutocomplete: (...args: any[]) => Promise<any>;

function initMap(): void {
  map = new window.woosmap.map.Map(
    document.getElementById("map") as HTMLElement,
    {
      center: { lat: 51.50940214, lng: -0.133012 },
      zoom: 4,
    },
  );
  infoWindow = new woosmap.map.InfoWindow({});
  localitiesService = new window.woosmap.map.LocalitiesService();

  request = {
    input: "",
    types: ["locality", "address", "postal_code"],
  };

  debouncedLocalitiesAutocomplete = debouncePromise(
    localitiesService.autocomplete,
    0,
  );
}

const inputElement = document.getElementById(
  "autocomplete-input",
) as HTMLInputElement;
const suggestionsList = document.getElementById(
  "suggestions-list",
) as HTMLUListElement;
const clearSearchBtn = document.getElementsByClassName(
  "clear-searchButton",
)[0] as HTMLButtonElement;
if (inputElement && suggestionsList) {
  inputElement.addEventListener("input", handleAutocomplete);
  inputElement.addEventListener("keydown", (event) => {
    if (event.key === "Enter") {
      const firstLi = suggestionsList.querySelector("li");
      if (firstLi) {
        firstLi.click();
      }
    }
  });
}
clearSearchBtn.addEventListener("click", () => {
  inputElement.value = "";
  suggestionsList.style.display = "none";
  clearSearchBtn.style.display = "none";
  if (marker) {
    marker.setMap(null);
    infoWindow.close();
  }
  inputElement.focus();
});

function handleAutocomplete(): void {
  if (inputElement && suggestionsList) {
    request.input = inputElement.value;
    if (request.input) {
      debouncedLocalitiesAutocomplete(request)
        .then((localities) => displaySuggestions(localities))
        .catch((error) =>
          console.error("Error autocomplete localities:", error),
        );
    } else {
      suggestionsList.style.display = "none";
      clearSearchBtn.style.display = "none";
    }
  }
}

function handleDetails(publicId: string) {
  localitiesService
    .getDetails({ publicId })
    .then((locality) => displayLocality(locality.result))
    .catch((error) => console.error("Error getting locality details:", error));
}

function displayLocality(
  locality: woosmap.map.localities.LocalitiesDetailsResult,
) {
  if (marker) {
    marker.setMap(null);
    infoWindow.close();
  }
  if (locality?.geometry) {
    marker = new woosmap.map.Marker({
      position: locality.geometry.location,
      icon: {
        url: "https://images.woosmap.com/marker.png",
        scaledSize: {
          height: 50,
          width: 32,
        },
      },
    });
    marker.setMap(map);
    infoWindow.setContent(`<span>${locality.formatted_address}</span>`);
    infoWindow.open(map, marker);
    map.flyTo({ center: locality.geometry.location, zoom: 14 });
  }
}

function displaySuggestions(
  localitiesPredictions: woosmap.map.localities.LocalitiesAutocompleteResponse,
) {
  if (inputElement && suggestionsList) {
    suggestionsList.innerHTML = "";
    if (localitiesPredictions.localities.length > 0 && request["input"]) {
      localitiesPredictions.localities.forEach((locality) => {
        const li = document.createElement("li");
        li.textContent = locality.description ?? "";
        li.addEventListener("click", () => {
          inputElement.value = locality.description ?? "";
          suggestionsList.style.display = "none";
          handleDetails(locality.public_id);
        });
        suggestionsList.appendChild(li);
      });
      suggestionsList.style.display = "block";
      clearSearchBtn.style.display = "block";
    } else {
      suggestionsList.style.display = "none";
    }
  }
}

document.addEventListener("click", (event) => {
  const targetElement = event.target as Element;
  const isClickInsideAutocomplete = targetElement.closest(
    "#autocomplete-container",
  );

  if (!isClickInsideAutocomplete && suggestionsList) {
    suggestionsList.style.display = "none";
  }
});


type DebouncePromiseFunction<T, Args extends any[]> = (
  ...args: Args
) => Promise<T>;

function debouncePromise<T, Args extends any[]>(
  fn: (...args: Args) => Promise<T>,
  delay: number,
): DebouncePromiseFunction<T, Args> {
  let timeoutId: ReturnType<typeof setTimeout> | null = null;
  let latestResolve: ((value: T | PromiseLike<T>) => void) | null = null;
  let latestReject: ((reason?: any) => void) | null = null;

  return function (...args: Args): Promise<T> {
    return new Promise<T>((resolve, reject) => {
      if (timeoutId !== null) {
        clearTimeout(timeoutId);
      }
      latestResolve = resolve;
      latestReject = reject;
      timeoutId = setTimeout(() => {
        fn(...args)
          .then((result) => {
            if (latestResolve === resolve && latestReject === reject) {
              resolve(result);
            }
          })
          .catch((error) => {
            if (latestResolve === resolve && latestReject === reject) {
              reject(error);
            }
          });
      }, delay);
    });
  };
}


declare global {
  interface Window {
    initMap: () => void;
  }
}
window.initMap = initMap;

    
        let map;
let marker;
let infoWindow;
let localitiesService;
let request;
let debouncedLocalitiesAutocomplete;

function initMap() {
  map = new window.woosmap.map.Map(document.getElementById("map"), {
    center: { lat: 51.50940214, lng: -0.133012 },
    zoom: 4,
  });
  infoWindow = new woosmap.map.InfoWindow({});
  localitiesService = new window.woosmap.map.LocalitiesService();
  request = {
    input: "",
    types: ["locality", "address", "postal_code"],
  };
  debouncedLocalitiesAutocomplete = debouncePromise(
    localitiesService.autocomplete,
    0,
  );
}

const inputElement = document.getElementById("autocomplete-input");
const suggestionsList = document.getElementById("suggestions-list");
const clearSearchBtn = document.getElementsByClassName("clear-searchButton")[0];

if (inputElement && suggestionsList) {
  inputElement.addEventListener("input", handleAutocomplete);
  inputElement.addEventListener("keydown", (event) => {
    if (event.key === "Enter") {
      const firstLi = suggestionsList.querySelector("li");

      if (firstLi) {
        firstLi.click();
      }
    }
  });
}

clearSearchBtn.addEventListener("click", () => {
  inputElement.value = "";
  suggestionsList.style.display = "none";
  clearSearchBtn.style.display = "none";
  if (marker) {
    marker.setMap(null);
    infoWindow.close();
  }

  inputElement.focus();
});

function handleAutocomplete() {
  if (inputElement && suggestionsList) {
    request.input = inputElement.value;
    if (request.input) {
      debouncedLocalitiesAutocomplete(request)
        .then((localities) => displaySuggestions(localities))
        .catch((error) =>
          console.error("Error autocomplete localities:", error),
        );
    } else {
      suggestionsList.style.display = "none";
      clearSearchBtn.style.display = "none";
    }
  }
}

function handleDetails(publicId) {
  localitiesService
    .getDetails({ publicId })
    .then((locality) => displayLocality(locality.result))
    .catch((error) => console.error("Error getting locality details:", error));
}

function displayLocality(locality) {
  if (marker) {
    marker.setMap(null);
    infoWindow.close();
  }

  if (locality?.geometry) {
    marker = new woosmap.map.Marker({
      position: locality.geometry.location,
      icon: {
        url: "https://images.woosmap.com/marker.png",
        scaledSize: {
          height: 50,
          width: 32,
        },
      },
    });
    marker.setMap(map);
    infoWindow.setContent(`<span>${locality.formatted_address}</span>`);
    infoWindow.open(map, marker);
    map.flyTo({ center: locality.geometry.location, zoom: 14 });
  }
}

function displaySuggestions(localitiesPredictions) {
  if (inputElement && suggestionsList) {
    suggestionsList.innerHTML = "";
    if (localitiesPredictions.localities.length > 0 && request["input"]) {
      localitiesPredictions.localities.forEach((locality) => {
        const li = document.createElement("li");

        li.textContent = locality.description ?? "";
        li.addEventListener("click", () => {
          inputElement.value = locality.description ?? "";
          suggestionsList.style.display = "none";
          handleDetails(locality.public_id);
        });
        suggestionsList.appendChild(li);
      });
      suggestionsList.style.display = "block";
      clearSearchBtn.style.display = "block";
    } else {
      suggestionsList.style.display = "none";
    }
  }
}

document.addEventListener("click", (event) => {
  const targetElement = event.target;
  const isClickInsideAutocomplete = targetElement.closest(
    "#autocomplete-container",
  );

  if (!isClickInsideAutocomplete && suggestionsList) {
    suggestionsList.style.display = "none";
  }
});

function debouncePromise(fn, delay) {
  let timeoutId = null;
  let latestResolve = null;
  let latestReject = null;

  return function (...args) {
    return new Promise((resolve, reject) => {
      if (timeoutId !== null) {
        clearTimeout(timeoutId);
      }

      latestResolve = resolve;
      latestReject = reject;
      timeoutId = setTimeout(() => {
        fn(...args)
          .then((result) => {
            if (latestResolve === resolve && latestReject === reject) {
              resolve(result);
            }
          })
          .catch((error) => {
            if (latestResolve === resolve && latestReject === reject) {
              reject(error);
            }
          });
      }, delay);
    });
  };
}

window.initMap = initMap;

    
        /*
 * Always set the map height explicitly to define the size of the div element
 * that contains the map.
 */
#map {
  height: 100%;
}

/*
 * Optional: Makes the sample page fill the window.
 */
html,
body {
  height: 100%;
  margin: 0;
  padding: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Helvetica Neue, Arial, Noto Sans, sans-serif, Apple Color Emoji, Segoe UI Emoji, Segoe UI Symbol, Noto Color Emoji;
}

#autocomplete-container {
  display: flex;
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 1;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2), 0 -1px 0px rgba(0, 0, 0, 0.02);
  background: #fff;
  border-radius: 12px;
  padding: 0 12px;
  max-width: 320px;
  width: 100%;
  height: 42px;
  border: none;
  box-sizing: border-box;
  align-items: center;
  cursor: text;
  font-size: 15px;
}

#autocomplete-container .search-icon, #autocomplete-container .clear-icon {
  color: inherit;
  flex-shrink: 0;
  height: 16px;
  width: 16px;
}

#autocomplete-container .clear-icon {
  transform: scale(1.3);
}

#autocomplete-input {
  box-sizing: border-box;
  padding: 0;
  height: 40px;
  line-height: 24px;
  vertical-align: top;
  transition-property: color;
  transition-duration: 0.3s;
  width: 100%;
  text-overflow: ellipsis;
  background: transparent;
  border-radius: 0;
  border: 0;
  margin: 0 8px;
  outline: 0;
  overflow: visible;
  appearance: textfield;
  font-size: 100%;
}

.clear-searchButton {
  display: none;
  height: 18px;
  width: 22px;
  background: none;
  border: none;
  vertical-align: middle;
  pointer-events: all;
  cursor: pointer;
}

#suggestions-list {
  border-radius: 12px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2), 0 -1px 0px rgba(0, 0, 0, 0.02);
  box-sizing: border-box;
  position: absolute;
  max-width: 320px;
  width: 100%;
  top: 100%;
  left: 0;
  z-index: 1;
  list-style: none;
  max-height: 80vh;
  margin: 5px 0 0;
  padding: 0;
  display: none;
  overflow-y: auto;
  background-color: #fff;
}

#suggestions-list.visible {
  display: block;
}

#suggestions-list li {
  padding: 12px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

#suggestions-list li:hover {
  background-color: #f2f2f2;
}

#app {
  height: 100%;
}


    
        <html>
  <head>
    <title>Localities autocomplete and details</title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta charset="utf-8" />

    <link rel="stylesheet" type="text/css" href="./style.css" />
    <script type="module" src="./index.js"></script>
  </head>
  <body>
    <div id="app">
      <div id="autocomplete-container">
        <svg class="search-icon" viewBox="0 0 16 16">
          <path
            d="M3.617 7.083a4.338 4.338 0 1 1 8.676 0 4.338 4.338 0 0 1-8.676 0m4.338-5.838a5.838 5.838 0 1 0 2.162 11.262l2.278 2.279a1 1 0 0 0 1.415-1.414l-1.95-1.95A5.838 5.838 0 0 0 7.955 1.245"
            fill-rule="evenodd"
            clip-rule="evenodd"
          ></path>
        </svg>

        <input
          type="text"
          id="autocomplete-input"
          placeholder="Search Localities..."
          autocomplete="off"
        />
        <button aria-label="Clear" class="clear-searchButton" type="button">
          <svg class="clear-icon" viewBox="0 0 24 24">
            <path
              d="M7.074 5.754a.933.933 0 1 0-1.32 1.317L10.693 12l-4.937 4.929a.931.931 0 1 0 1.319 1.317l4.938-4.93 4.937 4.93a.933.933 0 0 0 1.581-.662.93.93 0 0 0-.262-.655L13.331 12l4.937-4.929a.93.93 0 0 0-.663-1.578.93.93 0 0 0-.656.261l-4.938 4.93z"
            ></path>
          </svg>
        </button>
        <ul id="suggestions-list"></ul>
      </div>

      <div id="map"></div>
    </div>

    <script
      src="https://sdk.woosmap.com/map/map.js?key=woos-48c80350-88aa-333e-835a-07f4b658a9a4&callback=initMap"
      defer
    ></script>
  </body>
</html>

Running the Sample Locally

Before you can run this sample on your local machine, you need to have Git and Node.js installed. If they’re not already installed, follow these instructions to get them set up.

Once you have Git and Node.js installed, you can run the sample by following these steps:

  1. Clone the repository and navigate to the directory of the sample.

  2. Install the necessary dependencies.

  3. Start running the sample.

Here are the commands you can use in your terminal to do this:

Shell
        git clone -b sample/localities-autocomplete https://github.com/woosmap/js-samples.git
cd js-samples
npm i
npm start

You can experiment with other samples by switching to any branch that starts with the pattern sample/SAMPLE_NAME.

Shell
        git checkout sample/SAMPLE_NAME
npm i
npm start
Was this article helpful?
Have more questions? Submit a request