Fix eslint error

Author: Mar-Issah

0x05-Node_JS_basic/3-read_file_async.js

@@ -5,38 +5,37 @@ const fs = require('fs');
  * @param {String} path - The path to the CSV data file.
  * @returns {Promise<void>}
  */
-const countStudents = (path) =>
-  new Promise((resolve, reject) => {
-    fs.readFile(path, 'utf-8', (err, data) => {
-      if (err) {
-        reject(new Error('Cannot load the database'));
-      }
-      if (data) {
-        const fileLines = data.toString('utf-8').trim().split('\n');
-        const stuObj = {};
-        const fieldNames = fileLines[0].split(',');
-        const stuPropNames = fieldNames.slice(0, fieldNames.length - 1);
+const countStudents = (path) => new Promise((resolve, reject) => {
+  fs.readFile(path, 'utf-8', (err, data) => {
+    if (err) {
+      reject(new Error('Cannot load the database'));
+    }
+    if (data) {
+      const fileLines = data.toString('utf-8').trim().split('\n');
+      const stuObj = {};
+      const fieldNames = fileLines[0].split(',');
+      const stuPropNames = fieldNames.slice(0, fieldNames.length - 1);
 
-        for (const line of fileLines.slice(1)) {
-          const studentRow = line.split(',');
-          const studentPropValues = studentRow.slice(0, studentRow.length - 1);
-          const field = studentRow[studentRow.length - 1];
-          if (!Object.keys(stuObj).includes(field)) {
-            stuObj[field] = [];
-          }
-          const stuEntries = stuPropNames.map((propName, idx) => [propName, studentPropValues[idx]]);
-          stuObj[field].push(Object.fromEntries(stuEntries));
+      for (const line of fileLines.slice(1)) {
+        const studentRow = line.split(',');
+        const studentPropValues = studentRow.slice(0, studentRow.length - 1);
+        const field = studentRow[studentRow.length - 1];
+        if (!Object.keys(stuObj).includes(field)) {
+          stuObj[field] = [];
         }
+        const stuEntries = stuPropNames.map((propName, idx) => [propName, studentPropValues[idx]]);
+        stuObj[field].push(Object.fromEntries(stuEntries));
+      }
 
-        const total = Object.values(stuObj).reduce((pre, cur) => (pre || []).length + cur.length);
-        console.log(`Number of students: ${total}`);
-        for (const [field, group] of Object.entries(stuObj)) {
-          const studentNames = group.map((student) => student.firstname).join(', ');
-          console.log(`Number of students in ${field}: ${group.length}. List: ${studentNames}`);
-        }
-        resolve(true);
+      const total = Object.values(stuObj).reduce((pre, cur) => (pre || []).length + cur.length);
+      console.log(`Number of students: ${total}`);
+      for (const [field, group] of Object.entries(stuObj)) {
+        const studentNames = group.map((student) => student.firstname).join(', ');
+        console.log(`Number of students in ${field}: ${group.length}. List: ${studentNames}`);
       }
-    });
+      resolve(true);
+    }
   });
+});
 
 module.exports = countStudents;