Google Places AutocompleteService

by woosmap

HTML

<div class="autocomplete-input-container">
  <div class="autocomplete-input">
    <input id="my-input-autocomplete" placeholder="AutocompleteService" autocomplete="off" role="combobox">
  </div>
  <ul class="autocomplete-results">
  </ul>
</div>
<div id="map"></div>
<!-- Replace the value of the key parameter with your own API key. -->
<script src="https://maps.googleapis.com/maps/api/js?key=AIzaSyCkUOdZ5y7hMm0yrcCQoCvLwzdM6M8s5qk&libraries=places&callback"></script>

CSS

#map {
  height: 100%;
}

html,
body {
  height: 100%;
  margin: 0;
  padding: 0;
}

.autocomplete-input-container {
  position: absolute;
  z-index: 1;
  width: 100%;
}

.autocomplete-input {
  text-align: center;
}

#my-input-autocomplete {
  box-shadow: 0 2px 2px 0 rgba(0, 0, 0, 0.16), 0 0 0 1px rgba(0, 0, 0, 0.08);
  font-size: 15px;
  border-radius: 3px;
  border: 0;
  margin-top: 10px;
  width: 290px;
  height: 40px;
  text-overflow: ellipsis;
  padding: 0 1em;
}

#my-input-autocomplete:focus {
  outline: none;
}

.autocomplete-results {
  margin: 0 auto;
  right: 0;
  left: 0;
  position: absolute;
  display: none;
  background-color: white;
  width: 320px;
  padding: 0;
  list-style-type: none;
  margin: 0 auto;
  border: 1px solid #d2d2d2;
  border-top: 0;
  box-sizing: border-box;
}

.autocomplete-item {
  padding: 5px 5px 5px 35px;
  height: 26px;
  line-height: 26px;
  border-top: 1px solid #d9d9d9;
  position: relative;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}

.autocomplete-icon {
  display: block;
  position: absolute;
  top: 7px;
  bottom: 0;
  left: 8px;
  width: 20px;
  height: 20px;
  background-repeat: no-repeat;
  background-position: center center;
}

.autocomplete-icon.icon-localities {
  background-image: url(https://images.woosmap.com/icons/locality.svg);
}

.autocomplete-item:hover .autocomplete-icon.icon-localities {
  background-image: url(https://images.woosmap.com/icons/locality-selected.svg);
}

.autocomplete-item:hover {
  background-color: #f2f2f2;
  cursor: pointer;
}
.autocomplete-results::after {
    content: "";
    padding: 1px 1px 1px 0;
    height: 18px;
    box-sizing: border-box;
    text-align: right;
    display: block;
    background-image: url(https://maps.gstatic.com/mapfiles/api-3/images/powered-by-google-on-white3_hdpi.png);
    background-position: right;
    background-repeat: no-repeat;
    background-size: 120px 14px
}

JavaScript

function debounce(func, wait, immediate) {
  let timeout;
  return function() {
    let context = this,
      args = arguments;
    let later = function() {
      timeout = null;
      if (!immediate) func.apply(context, args);
    };
    let callNow = immediate && !timeout;
    clearTimeout(timeout);
    timeout = setTimeout(later, wait);
    if (callNow) func.apply(context, args);
  };
}

function initAutocomplete() {
  let map = new google.maps.Map(document.getElementById('map'), {
    center: {
      lat: 48,
      lng: 4
    },
    zoom: 4,
    disableDefaultUI: true
  });

  // Create the search box and link it to the UI element.
  let inputContainer = document.querySelector('autocomplete-input-container');
  let autocomplete_results = document.querySelector('.autocomplete-results');
  let service = new google.maps.places.AutocompleteService();
  let serviceDetails = new google.maps.places.PlacesService(map);
  let marker = new google.maps.Marker({
    map: map
  });
  let displaySuggestions = function(predictions, status) {
    if (status != google.maps.places.PlacesServiceStatus.OK) {
      alert(status);
      return;
    }
    let results_html = [];
    predictions.forEach(function(prediction) {
      results_html.push(`<li class="autocomplete-item" data-type="place" data-place-id=${prediction.place_id}><span class="autocomplete-icon icon-localities"></span>      			    <span class="autocomplete-text">${prediction.description}</span></li>`);
    });
    autocomplete_results.innerHTML = results_html.join("");
    autocomplete_results.style.display = 'block';
    let autocomplete_items = autocomplete_results.querySelectorAll('.autocomplete-item');
    for (let autocomplete_item of autocomplete_items) {
      autocomplete_item.addEventListener('click', function() {
        let prediction = {};
        const selected_text = this.querySelector('.autocomplete-text').textContent;
        const place_id = this.getAttribute('data-place-id');
        let request...