updated wesbos#6

Author: komegi1215

06 - Type Ahead/index-START.html

@@ -17,7 +17,44 @@
   </form>
 <script>
 const endpoint = 'https://gist.githubusercontent.com/Miserlou/c5cd8364bf9b2420bb29/raw/2bf258763cdddd704f8ffd3ea9a3e81d25e2c6f6/cities.json';
+const cities = [];
+fetch(endpoint)
+  .then(blob => blob.json())
+  .then(data => cities.push(...data))
 
+function findMatches (wordToMatch, cities) {
+  return cities.filter(place => {
+    //here we need to figure out if the city or state matches what was searched
+    const regex = new RegExp(wordToMatch, 'gi');
+    return place.city.match(regex) || place.state.match(regex)
+  });
+}
+
+function numberwithCommas(x){
+  return x.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ',');
+}
+function displayMatches() {
+  const matchArray = findMatches(this.value, cities);
+  const html = matchArray.map(place => {
+    const regex = new RegExp(this.value, 'gi');
+    const cityName = place.city.replace(regex, `<span class="hl">${this.value}</span>`);
+    const stateName = place.state.replace(regex, `<span class="hl">${this.value}</span>`);
+    return `
+    <li>
+      <span class = "name">${cityName}, ${stateName}</span>
+      <span class = "population> ${numberwithCommas(place.population)}"</span>
+    </li>
+    `;
+  }).join('');
+  console.log(html);
+  suggestions.innerHTML = html;
+}
+
+const searchInput = document.querySelector('.search');
+const suggestions = document.querySelector('.suggestions');
+
+searchInput.addEventListener('change', displayMatches);
+searchInput.addEventListener('keyup', displayMatches);
 </script>
 </body>
 </html>