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sapinder-singh · Jan 9, 2021 · 7a6a2ea · 7a6a2ea
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diff --git a/index.html b/index.html
@@ -0,0 +1,17 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="UTF-8">
+  <title>Type Ahead 👀</title>
+  <link rel="stylesheet" href="style.css">
+</head>
+<body>
+
+  <form class="search-form">
+    <input type="text" class="search-bar" placeholder="Search a City or a State">
+    <ul class="suggestions">
+    </ul>
+  </form>
+<script src="script.js"></script>
+</body>
+</html>
diff --git a/script.js b/script.js
@@ -0,0 +1,75 @@
+const endpoint = 'https://gist.githubusercontent.com/Miserlou/c5cd8364bf9b2420bb29/raw/2bf258763cdddd704f8ffd3ea9a3e81d25e2c6f6/cities.json';
+
+let places, matchedPlaces;
+
+document.addEventListener("DOMContentLoaded", async () => {
+	places = await fetchData();
+
+	const suggestions = document.querySelector(".suggestions");
+
+	// listen for change in input
+	document.querySelector(".search-bar")
+		.addEventListener("input", 
+			e => handleChange(e.target, suggestions)
+		);
+});
+
+
+async function fetchData() {
+	try {
+		return await fetch(endpoint)
+			.then(res => res.json())
+			.then(obj => obj);
+	} 
+	catch(err) {
+		console.error(err);
+		alert("An unknown error occurred! Please open the console for more info.");
+	}
+}
+
+function handleChange(searchBar, suggestions) {
+	if(searchBar.value) {
+		const matchedPlaces = findMatches(searchBar.value);
+
+		// create <li> nodes for matchedPlaces
+		const listItems = matchedPlaces.map(place =>
+					getListItemHTML(place, searchBar.value)
+		);
+
+		suggestions.innerHTML = listItems.join("");
+		return;
+	}
+	// if searchBar is empty
+	suggestions.innerHTML = "";
+}
+
+
+function findMatches(input) {
+	return (
+		places.filter(place => {
+			const regExp = new RegExp(input, "gi");
+
+			// find either city or state should match
+			return place.city.match(regExp) || place.state.match(regExp);
+		})
+)}
+
+
+function getListItemHTML(place, input) {
+	// for highlighting the substring that matches the input
+	const regExp = new RegExp(input, "gi");
+	const spanHighlight = `<span class="highlight">${input}</span>`;
+
+	// replace substring with highlighted one
+	const city = place.city.replace(regExp, spanHighlight);
+	const state = place.state.replace(regExp, spanHighlight);
+
+	return `<li>
+		<span>${city}, ${state}</span>
+		<span class="population">${formatPopulation(place.population)}</span>
+	</li>`;
+}
+
+function formatPopulation(number) {
+  return number.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ',');
+}
diff --git a/style.css b/style.css
@@ -0,0 +1,73 @@
+html {
+  box-sizing: border-box;
+  background: #ffc600;
+  font-family: 'helvetica neue';
+  font-size: 20px;
+  font-weight: 200;
+}
+
+*, *:before, *:after {
+  box-sizing: inherit;
+}
+
+input {
+  width: 100%;
+  padding: 20px;
+}
+
+.search-form {
+  max-width: 400px;
+  margin: 50px auto;
+}
+
+input {
+  margin: 0;
+  text-align: center;
+  outline: 0;
+  border: 10px solid #F7F7F7;
+  width: 120%;
+  left: -10%;
+  position: relative;
+  top: 10px;
+  z-index: 2;
+  border-radius: 5px;
+  font-size: 30px;
+  box-shadow: 0 0 5px rgba(0, 0, 0, 0.12), inset 0 0 2px rgba(0, 0, 0, 0.19);
+}
+
+.suggestions {
+  margin: 0;
+  padding: 0;
+  position: relative;
+  /*perspective: 20px;*/
+}
+
+.suggestions li {
+  background: white;
+  list-style: none;
+  border-bottom: 1px solid #D8D8D8;
+  box-shadow: 0 0 10px rgba(0, 0, 0, 0.14);
+  margin: 0;
+  padding: 20px;
+  transition: background 0.2s;
+  display: flex;
+  justify-content: space-between;
+  text-transform: capitalize;
+}
+
+.suggestions li:nth-child(even) {
+  transform: perspective(100px) rotateX(3deg) translateY(2px) scale(1.001);
+  background: linear-gradient(to bottom,  #ffffff 0%,#EFEFEF 100%);
+}
+
+.suggestions li:nth-child(odd) {
+  transform: perspective(100px) rotateX(-3deg) translateY(3px);
+  background: linear-gradient(to top,  #ffffff 0%,#EFEFEF 100%);
+}
+
+span.population {
+  font-size: 15px;
+}
+.highlight {
+  background: #ffc600;
+}