create test file

.github/workflows/main.yml

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+# .github/workflows/main.yml
+name: Run Jest Tests
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+        with:
+          node-version: "16"
+      - run: npm install
+      - run: npm test -- --ci --reporters=default --reporters=jest-junit
+      - name: update Airtable
+        if: always()
+        run: node ./.scripts/main.js JS ${{github.actor}} https://github.com/${{github.repository}}

.gitignore

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+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+.pnpm-debug.log*
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+*.lcov
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# Snowpack dependency directory (https://snowpack.dev/)
+web_modules/
+
+# TypeScript cache
+*.tsbuildinfo
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional stylelint cache
+.stylelintcache
+
+# Microbundle cache
+.rpt2_cache/
+.rts2_cache_cjs/
+.rts2_cache_es/
+.rts2_cache_umd/
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variable files
+.env
+.env.development.local
+.env.test.local
+.env.production.local
+.env.local
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+.parcel-cache
+
+# Next.js build output
+.next
+out
+
+# Nuxt.js build / generate output
+.nuxt
+dist
+
+# Gatsby files
+.cache/
+# Comment in the public line in if your project uses Gatsby and not Next.js
+# https://nextjs.org/blog/next-9-1#public-directory-support
+# public
+
+# vuepress build output
+.vuepress/dist
+
+# vuepress v2.x temp and cache directory
+.temp
+.cache
+
+# Docusaurus cache and generated files
+.docusaurus
+
+# Serverless directories
+.serverless/
+
+# FuseBox cache
+.fusebox/
+
+# DynamoDB Local files
+.dynamodb/
+
+# TernJS port file
+.tern-port
+
+# Stores VSCode versions used for testing VSCode extensions
+.vscode-test
+
+# yarn v2
+.yarn/cache
+.yarn/unplugged
+.yarn/build-state.yml
+.yarn/install-state.gz
+.pnp.*

.scripts/main.js

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+const axios = require("axios");
+const fs = require("fs");
+const { argv } = require("process");
+const xml2js = require("xml2js");
+
+// Constants and configuration
+const TOPIC = argv[2];
+const STUDENT_GITHUB = argv[3];
+const STUDENT_REPO = argv[4];
+const JEST_REPORT_PATH = "./junit.xml";
+
+// Airtable API functions
+const airtableApiServer = axios.create({
+  baseURL: `https://airtable-be.vercel.app/`,
+});
+
+// Jest report parsing
+function parseJestReport(xmlContent) {
+  return new Promise((resolve, reject) => {
+    xml2js.parseString(xmlContent, (err, result) => {
+      if (err) {
+        reject(err);
+      } else {
+        const testsuites = result.testsuites;
+        const totalTests = parseInt(testsuites.$.tests);
+        const failedTests = parseInt(testsuites.$.failures);
+        const passedTests = totalTests - failedTests;
+        const grade = (passedTests / totalTests) * 100;
+
+        resolve({ totalTests, passedTests, failedTests, grade });
+      }
+    });
+  });
+}
+
+const sendDataToServer = async (
+  passedTests,
+  failedTests,
+  grade,
+  studentGitHub,
+  studentRepo
+) => {
+  try {
+    await airtableApiServer
+      .post("/", {
+        passedTests,
+        failedTests,
+        grade,
+        studentGitHub,
+        studentRepo,
+        topic: TOPIC,
+      })
+      .then((response) => console.log("Sent Data Successfully"));
+  } catch (error) {
+    console.log("error in sending data to server", error);
+  }
+};
+
+// Main function
+async function main() {
+  try {
+    const jestResults = fs.readFileSync(JEST_REPORT_PATH, "utf8");
+    const { totalTests, passedTests, failedTests, grade } =
+      await parseJestReport(jestResults);
+
+    console.log(`Total tests: ${totalTests}`);
+    console.log(`Passed tests: ${passedTests}`);
+    console.log(`Failed tests: ${failedTests}`);
+    console.log(`Grade: ${grade.toFixed(2)}%`);
+
+    await sendDataToServer(
+      passedTests,
+      failedTests,
+      grade.toFixed(2),
+      STUDENT_GITHUB,
+      STUDENT_REPO
+    );
+  } catch (error) {
+    console.error("An error occurred:", error.message);
+    process.exit(1);
+  }
+}
+
+// Run the main function
+main();

iterationMethods.js

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+// Array of numbers
+const numbers = [10, 13, 20, 25, 38, 35, 40];
+
+// 1) Using `greaterThanTwentyFive` function that returns a new array containing numbers that are greater than or equal to 25.
+const greaterThanTwentyFive = (numbers) => {
+  // write your code here...
+};
+
+// 2) Using `divisibleByFive` function return a new array containing numbers that are divisible by 5.
+const divisibleByFive = (numbers) => {
+  // write your code here...
+};
+
+// 3) Using `squaredNumbers` function return a new array that contains each number squared.
+const squaredNumbers = (numbers) => {
+  // write your code here...
+};
+
+// 4) Using `doubledNumbers` function return a new array that contains each number multiplied by 2.
+const doubledNumbers = (numbers) => {
+  // write your code here...
+};
+
+// 5) Using `filteredAndSquared` function return the numbers that are greater than or equal to 20 and then square each of them.
+const filteredAndSquared = (numbers) => {
+  // write your code here...
+};
+
+// 6) Using `filteredAndTripled` return the numbers that are divisible by 5 and then multiply each of them by 3.
+const filteredAndTripled = (numbers) => {
+  // write your code here...
+};
+
+// 🌶️🌶️🌶️ Extra
+
+// 1) Using `logger` function log every element in an array
+function logger(array) {
+  // write your code here...
+}
+
+// 2) using `toCelsius` function return an array of temperatures in Celsius
+function toCelsius(temperatures) {
+  // write your code here...
+}
+
+// 3) using `hottestDays` function return an array of temperatures that exceed the threshold
+function hottestDays(temperatures, threshold) {
+  // write your code here...
+}
+
+// 4) Using `logHottestDays` function log temperatures that exceed the threshold to the console IN DEGREES CELSIUS  (hint: you can combine all previous functions)
+function logHottestDays(temperatures, threshold) {
+  // write your code here...
+}
+
+module.exports = {
+  greaterThanTwentyFive,
+  divisibleByFive,
+  squaredNumbers,
+  doubledNumbers,
+  filteredAndSquared,
+  filteredAndTripled,
+  logger,
+  toCelsius,
+  hottestDays,
+  logHottestDays,
+};