Ajax calls

chapter02/src/get_service_with_async_await.js

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+const axios = require("axios");
+
+const BASE_URL = "https://weather.com/en-IN/weather/today/l/";
+
+const MONTEVIDEO_UY = "-34.90,-56.16";
+const LONDON_EN = "51.51,-0.13";
+const PUNE_IN = "18.52,73.86";
+
+const get_weather = coords => axios.get(`${BASE_URL}${coords}`);
+
+async function getMontevideo() {
+    try {
+        const montevideoData = await get_weather(MONTEVIDEO_UY);
+
+        console.log("Montevideo, with promises");
+        console.log(`Montevideo: ${montevideoData.data.length} bytes`);
+    } catch (error) {
+        console.log(error.message);
+    }
+}
+
+async function getLondonAndPuneInSeries() {
+    try {
+        const londonData = await get_weather(LONDON_EN);
+        const puneData = await get_weather(PUNE_IN);
+
+        console.log("London and Pune, in series");
+        console.log(`London: ${londonData.data.length} b`);
+        console.log(`Pune: ${puneData.data.length} b`);
+    } catch (error) {
+        console.log(error.message);
+    }
+}
+
+async function getCitiesInParallel() {
+    try {
+        const montevideoGet = get_weather(MONTEVIDEO_UY);
+        const londonGet = get_weather(LONDON_EN);
+        const puneGet = get_weather(PUNE_IN);
+
+        const [montevideoData, londonData, puneData] = await Promise.all([
+            montevideoGet,
+            londonGet,
+            puneGet
+        ]);
+
+        console.log("All three cities in parallel, with async/await");
+        console.log(`Montevideo: ${montevideoData.data.length} b`);
+        console.log(`London: ${londonData.data.length} b`);
+        console.log(`Pune: ${puneData.data.length} b`);
+    } catch (error) {
+        console.log(error.message);
+    }
+}
+
+getMontevideo();
+getLondonAndPuneInSeries();
+getCitiesInParallel();