lession 08: await in loops

Author: wangshijun

08-await-in-loops.js

@@ -0,0 +1,25 @@
+const fetch = require('node-fetch');
+const bluebird = require('bluebird');
+
+async function getZhihuColumn(id) {
+  await bluebird.delay(1000);
+  const url = `https://zhuanlan.zhihu.com/api/columns/${id}`;
+  const response = await fetch(url);
+  return await response.json();
+}
+
+const showColumnInfo = async () => {
+  console.time('showColumnInfo');
+
+  const names = ['feweekly', 'toolingtips'];
+  const promises = names.map(x => getZhihuColumn(x));
+  for (const promise of promises) {
+    const column = await promise;
+    console.log(`Name: ${column.name}`);
+    console.log(`Intro: ${column.intro}`);
+  }
+
+  console.timeEnd('showColumnInfo');
+};
+
+showColumnInfo();