autocomplete: switch autocomplete.js

Turns out implementing a autocomplete widget from scratch is more
tricky than expected. It's a shame no such widget has been implemented
part of the HTML standart :(

templates/landing_form.html

@@ -15,6 +15,8 @@
   <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js"
     integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM"
     crossorigin="anonymous"></script>
+  <script src="https://cdn.jsdelivr.net/npm/@tarekraafat/autocomplete.js@10.2.6/dist/autoComplete.min.js"></script>
+<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/@tarekraafat/autocomplete.js@10.2.6/dist/css/autoComplete.02.min.css">
 
   <title>Aquilenet: Éligibilité FTTH</title>
   <style>
@@ -63,14 +65,10 @@
         <div id="methodAddress" class="collapse testMethods">
           <h2 class="text-center form-title">Test d'éligibilité par adresse</h2>
             <form id="formAddressTest" method="post" action="/test/address">
-              <div class="form-group" id="communeForm">
+                <div class="form-group row" id="communeForm">
-                <label class="form-label" for="communeInput">Commune</label>
+                    <label class="form-label col-sm-2 my-1" for="commune-autocomplete">Commune</label>
-                <input autocomplete="off" type="text" list="communes" name="commune" class="form-control"
+                    <input id="commune-autocomplete" class="col-sm-9" type="search" dir="ltr" spellcheck=false autocorrect="off" autocomplete="off" class="form-control"  autocapitalize="off"/>
-                  id="communeInput" ondblclick="this.focus();this.select()" aria-describedby="communeHelp"
+                </div>
-                  placeholder="Nom de la commune ou code postal">
-                <datalist id="communes">
-                </datalist>
-              </div>
               <div class="form-row collapse" id="voieForm">
                 <div class="col-sm-3 my-1">
                   <label class="form-label" for="numeroVoieInput">Numéro de voie</label>
@@ -79,12 +77,9 @@
                     oninvalid="this.setCustomValidity('Veuillez renseigner le numéro de voie')"
                     oninput="setCustomValidity('')">
                 </div>
-                <div class="col-sm-9 my-1">
+                <div class="col-sm-7 my-1">
-                  <label class="form-label" for="voieInput">Nom de voie</label>
+                  <label class="form-label" for="fantoir-autocomplete">Nom de voie</label>
-                  <input autocomplete="off" type="text" name="voie" list="voies" class="form-control" id="voieInput"
+                  <input id="fantoir-autocomplete" class="form-control" type="search" dir="ltr" spellcheck=false autocorrect="off" autocomplete="off" autocapitalize="off"/>
-                    aria-describedby="voieHelp" placeholder="Nom de voie">
-                  <datalist id="voies">
-                  </datalist>
                 </div>
               </div>
               <br>
@@ -131,94 +126,6 @@
         return inputStr;
       }
 
-      // Function to update list of communes (calls backend API)
-      function updateCommunes(search = '') {
-        var api = "addresses/communes?limit=15";
-        if (search != '') {
-          api += "&s=" + search;
-        }
-        fetch(api, { signalCommunes })
-          .then(response => response.json())
-          .then(data => {
-            valueMatch=false;
-            if (JSON.stringify(data) !== JSON.stringify(communes)) {
-              $("#communes").empty();
-              communes = data
-              communes.forEach(commune => {
-                value=commune.codeZip + ' ' + commune.nom
-                $("#communes").append("<option codeInsee=" + commune.codeInsee + " value='" +
-                  value + "'></option>");
-                if (value === search) {
-                  valueMatch=true;
-                }
-
-              });
-            }
-            if (communes.length == 1 || valueMatch) {
-              codeInsee = communes[0].codeInsee;
-              $('#voieForm').collapse('show');
-            } else {
-              $('#voieInput').val('');
-              $('#voieForm').collapse('hide');
-            }
-          })
-          .catch(err => {
-            console.error("Error fetching communes:", err)
-          })
-      }
-
-      // Function to update list of voies (calls backend API)
-      function updateVoies(search = '') {
-        var api = "addresses/fantoirvoies/" + codeInsee + '?limit=15';
-        if (search != '') {
-          api += "&s=" + search;
-        }
-        fetch(api, { signalVoies })
-          .then(response => response.json())
-          .then(data => {
-            valueMatch=false;
-            if (JSON.stringify(data) !== JSON.stringify(voies)) {
-              $("#voies").empty();
-              voies = Object.entries(data);
-              let voie;
-              for (i in voies) {
-                voie = voies[i]
-                $("#voies").append("<option value='" +
-                  voie[0] + "'></option>");
-                if (voie[0] === search) {
-                  valueMatch=true;
-                }
-              }
-              if (voies.length == 1 || valueMatch) {
-                $('#btnTestAdresse').collapse('show');
-                voie = voies[0]
-                codeRivoli = voie[1]
-                $("#voieInput").val(voie[0]);
-                $('#btnTestAdresse').focus();
-              } else {
-                $('#btnTestAdresse').collapse('hide');
-              }
-            }
-          })
-          .catch(err => {
-            console.error("Error fetching communes:", err)
-          })
-      }
-
-      function fetchWithBackoff (fetchFn, timeout, input) {
-        if(timeout !== null) {
-            clearTimeout(timeout);
-        }
-        if (input.length < 3) {
-            return null;
-        }
-        timeout = setTimeout(() => {
-            const cleanInput = sanitizeInputStr(input);
-            fetchFn(cleanInput);
-        }, 100);
-        return timeout;
-      }
-
       $('#methodAddress').on('show.bs.collapse', function () {
         $('#communeInput').trigger('input')
         $('#communeInput').trigger('keyup')
@@ -234,27 +141,70 @@
         $('#numeroVoieInput').focus();
       });
 
-      let timeoutCommune = null;
+      const autoCompleteCommune = new autoComplete({
-      $('#communeInput').on('input', function () {
+          selector: "#commune-autocomplete",
-        controllerCommunes.abort();
+          placeHolder: "Code postal/nom de commune...",
-        timeoutCommune = fetchWithBackoff(updateCommunes, timeoutCommune, $(this).val());
+          data: {
+              src: async (query) => {
+                  const api = "addresses/communes?limit=100";
+                  const reqUrl = query === '' ? api : api + "&s=" + query
+                  const source = await fetch(reqUrl, { signalCommunes });
+                  const data = await source.json();
+                  return data;
+              },
+              keys: [ "codeZip", "nom" ],
+          },
+          resultList: {
+              element: (list, data) => {
+              }
+          },
+          resultItem: {
+              highlight: true
+          },
+          debounce: 300,
+          events: {
+              input: {
+                  selection: (event) => {
+                      const selection = event.detail.selection.value;
+                      autoCompleteCommune.input.value = selection.codeZip + " - " + selection.nom ;
+                      codeInsee = selection.codeInsee;
+                      $("#voieForm").collapse("show");
+                  }
+              }
+          }
       });
 
-      $('#communeInput').on('input', function () {
+      const autoCompleteFantoir = new autoComplete({
-        if ($(this).val() === '') {
+          selector: "#fantoir-autocomplete",
-          $('#voieForm').collapse('hide');
+          placeHolder: "Nom de la voie...",
-        }
+          data: {
-      });
+              src: async (query) => {
-
+                  const api = "addresses/fantoirvoies/" + codeInsee + "?limit=100";
-      let timeoutVoie = null;
+                  const reqUrl = query === '' ? api : api + "&s=" + query
-      $('#voieInput').on('input', function () {
+                  const source = await fetch(reqUrl, { signalVoies });
-        controllerVoies.abort();
+                  const data = await source.json();
-        timeoutVoie = fetchWithBackoff(updateVoies, timeoutVoie, $(this).val());
+                  return Object.entries(data).map(e => {return {"name": e[0], "value": e[1]}; });
-      });
+              },
-      $('#voieInput').on('input', function () {
+              keys: [ "name" ],
-        if ($(this).val() === '') {
+          },
-          $('#btnTestAdresse').collapse('hide');
+          resultList: {
-        }
+              element: (list, data) => {
+              }
+          },
+          resultItem: {
+              highlight: true
+          },
+          debounce: 300,
+          events: {
+              input: {
+                  selection: (event) => {
+                      const selection = event.detail.selection.value;
+                      autoCompleteFantoir.input.value = selection.name;
+                      codeRivoli = selection.value;
+                      $('#btnTestAdresse').collapse('show');
+                  }
+              }
+          }
       });
 
       $('#formAddressTest').submit(function(eventObj) {

templates/style.css

@@ -72,6 +72,10 @@ body {
   text-shadow: dimgray 0 1px 1px;
   background-image: linear-gradient(to bottom, #ffd38c 0%, #ffedd0 51%,  #e0e0e0 100%);
 }
+
+/* Autocomplete */
+
+
 /* #fda085 51%, */
 
 /*