solution

__tests__/index.test.js

@@ -1,54 +1,54 @@
-import { beforeEach, test, expect } from '@jest/globals';
-
-import { execFileSync } from 'child_process';
-import { fileURLToPath } from "node:url";
-import path from "node:path";
-
-const __filename = fileURLToPath(import.meta.url);
-const __dirname = path.dirname(__filename);
-
-let rows1;
-let rows2;
-
-beforeEach(() => {
-  const options = { encoding: 'utf8', cwd: path.join(__dirname, '..') };
-
-  const result1 = execFileSync(
-    'bin/weather.js',
-    ['__fixtures__/weather1.csv'],
-    options,
-  );
-  rows1 = result1.trim().split('\n')
-
-  const result2 = execFileSync(
-    'bin/weather.js',
-    ['__fixtures__/weather2.csv'],
-    options,
-  );
-  rows2 = result2.trim().split('\n')
-});
-
-test('step1', () => {
-  expect(rows1[0]).toEqual('Count: 20');
-  expect(rows2[0]).toEqual('Count: 9');
-});
-
-test('step2', () => {
-  expect(rows1[1]).toEqual('Cities: Chicago, Denver, Los Angeles, Miami, Seattle');
-  expect(rows2[1]).toEqual('Cities: Chicago, Denver, Miami, Seattle');
-});
-
-test('step3', () => {
-  expect(rows1[2]).toEqual('Humidity: Min: 58, Max: 80');
-  expect(rows2[2]).toEqual('Humidity: Min: 30, Max: 83');
-});
-
-test('step4', () => {
-  expect(rows1[3]).toEqual('HottestDay: 2023-04-18 Los Angeles');
-  expect(rows2[3]).toEqual('HottestDay: 2023-04-18 Miami');
-});
-
-test('step5', () => {
-  expect(rows1[4]).toEqual('HottestCity: Miami');
-  expect(rows2[4]).toEqual('HottestCity: Miami');
-});
+import { beforeEach, test, expect } from '@jest/globals';
+
+import { execFileSync } from 'child_process';
+import { fileURLToPath } from "node:url";
+import path from "node:path";
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+
+let rows1;
+let rows2;
+
+beforeEach(() => {
+  const options = { encoding: 'utf8', cwd: path.join(__dirname, '..') };
+
+  const result1 = execFileSync(
+    'bin/weather.js',
+    ['__fixtures__/weather1.csv'],
+    options,
+  );
+  rows1 = result1.trim().split('\n')
+
+  const result2 = execFileSync(
+    'bin/weather.js',
+    ['__fixtures__/weather2.csv'],
+    options,
+  );
+  rows2 = result2.trim().split('\n')
+});
+
+test('step1', () => {
+  expect(rows1[0]).toEqual('Count: 20');
+  expect(rows2[0]).toEqual('Count: 9');
+});
+
+test('step2', () => {
+  expect(rows1[1]).toEqual('Cities: Chicago, Denver, Los Angeles, Miami, Seattle');
+  expect(rows2[1]).toEqual('Cities: Chicago, Denver, Miami, Seattle');
+});
+
+test('step3', () => {
+  expect(rows1[2]).toEqual('Humidity: Min: 58, Max: 80');
+  expect(rows2[2]).toEqual('Humidity: Min: 30, Max: 83');
+});
+
+test('step4', () => {
+  expect(rows1[3]).toEqual('HottestDay: 2023-04-18 Los Angeles');
+  expect(rows2[3]).toEqual('HottestDay: 2023-04-18 Miami');
+});
+
+test('step5', () => {
+  expect(rows1[4]).toEqual('HottestCity: Miami');
+  expect(rows2[4]).toEqual('HottestCity: Miami');
+});

bin/weather.js

@@ -1,22 +1,23 @@
-#!/usr/bin/env node
-
-import { fileURLToPath } from "node:url";
-import path from "node:path";
-import fs from 'fs';
-import _ from 'lodash';
-import solution from "../index.js";
-
-const __filename = fileURLToPath(import.meta.url);
-const __dirname = path.dirname(__filename);
-
-
-const fileName = process.argv[2];
-const content = fs.readFileSync(path.join(
-  __dirname,
-  '..',
-  fileName
-), 'utf-8');
-
-// BEGIN
-
-// END
+#!/usr/bin/env node
+
+import { fileURLToPath } from "node:url";
+import path from "node:path";
+import fs from 'fs';
+import _ from 'lodash';
+import solution from "../index.js";
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+
+
+const fileName = process.argv[2];
+const content = fs.readFileSync(path.join(
+  __dirname,
+  '..',
+  fileName
+), 'utf-8');
+
+// BEGIN
+solution(content);
+
+// END

index.js

@@ -1,5 +1,48 @@
-export default function solution(content){
-  // BEGIN
-
-  // END
+import getData from './src/utils.js'
+
+export default function solution(content){
+  // BEGIN
+  const data = getData(content);
+  const count = data.length;
+  console.log(`Count: ${count}`);
+
+  //TASK2
+  const cities = [];
+
+  data.map((item) => {
+    if (!cities.includes(item[7])) {cities.push(item[7])} 
+  });
+  cities.sort();
+  console.log(`Cities: ${cities.join(', ')}`);
+
+//TASK3
+const minHum = 100;
+const maxHum = 0;
+
+const max = data.reduce((acc, item) => {
+  return Number(item[3]) >= acc? acc = Number(item[3]): acc;
+}, 0);
+const min = data.reduce((acc, item) => {
+  return Number(item[3]) <= acc? acc = Number(item[3]): acc;
+}, 100);
+
+console.log(`Humidity: Min: ${min}, Max: ${max}`);
+
+//TASK4
+const result4 = data.reduce((preVal, curVal) => {
+  return curVal[1] > preVal[1] ? curVal: preVal;
+});
+
+console.log(`HottestDay: ${result4[0]} ${result4[7]}`);
+
+//TASK5
+ const result5 = data.reduce((preVal, curVal) => {
+   const overagePre = (Number(preVal[1]) + Number(preVal[2])) / 2;
+   const overageCur = (Number(curVal[1]) + Number(curVal[2])) / 2;
+   return overageCur >= overagePre ? curVal: preVal;
+ });
+
+console.log(`HottestCity: ${result5[7]}`);
+
+  // END
 }