diff --git a/.github/workflows/node-ci.yml b/.github/workflows/node-ci.yml
index ff74416a..6de8cda9 100644
--- a/.github/workflows/node-ci.yml
+++ b/.github/workflows/node-ci.yml
@@ -37,8 +37,8 @@ jobs:
npm run build -- --no-cache
npm start
- - name: Sleep For 15 Seconds
- run: sleep 15
+ - name: Sleep For 30 Seconds
+ run: sleep 30
- name: Run Tests
run: npm run test
diff --git a/README.md b/README.md
index 984ee765..503fb71b 100644
--- a/README.md
+++ b/README.md
@@ -26,6 +26,33 @@
- [Project Description](https://www.freecodecamp.org/learn/responsive-web-design/responsive-web-design-projects/build-a-personal-portfolio-webpage)
- [Example Project](https://personal-portfolio.freecodecamp.rocks/)
+## JavaScript Algorithms and Data Structures
+
+- Palindrome Checker
+
+ - [Project Description](https://www.freecodecamp.org/learn/2022/javascript-algorithms-and-data-structures/palindrome-checker-project/build-a-palindrome-checker)
+ - [Example project](https://palindrome-checker.freecodecamp.rocks/)
+
+- Roman Numeral Converter
+
+ - [Project Description](https://www.freecodecamp.org/learn/2022/javascript-algorithms-and-data-structures/roman-numeral-converter-project/build-a-roman-numeral-converter)
+ - [Example Project](https://roman-numeral-converter.freecodecamp.rocks/)
+
+- Telephone Number Validator
+
+ - [Project Description](https://www.freecodecamp.org/learn/2022/javascript-algorithms-and-data-structures/telephone-number-validator-project/build-a-telephone-number-validator)
+ - [Example Project](https://telephone-number-validator.freecodecamp.rocks/)
+
+- Cash Register
+
+ - [Project Description](https://www.freecodecamp.org/learn/2022/javascript-algorithms-and-data-structures/cash-register-project/build-a-cash-register)
+ - [Example Project](https://cash-register.freecodecamp.rocks/)
+
+- Pokémon Search App
+
+ - [Project Description](https://www.freecodecamp.org/learn/2022/javascript-algorithms-and-data-structures/pokemon-search-app-project/build-a-pokemon-search-app)
+ - [Example Project](https://pokemon-search-app.freecodecamp.rocks/)
+
## Data Visualization
- Bar Chart
diff --git a/apps/cash-register/.dockerignore b/apps/cash-register/.dockerignore
new file mode 100644
index 00000000..6d6356b8
--- /dev/null
+++ b/apps/cash-register/.dockerignore
@@ -0,0 +1,6 @@
+.env
+.git
+.gitignore
+.dockerignore
+node_modules
+Dockerfile
diff --git a/apps/cash-register/index.html b/apps/cash-register/index.html
new file mode 100644
index 00000000..b424a715
--- /dev/null
+++ b/apps/cash-register/index.html
@@ -0,0 +1,71 @@
+
+
+
+
+
+
+
+ Cash Register
+
+
+
+
+
+
+ Cash Register Project
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
Change in Drawer
+
Pennies: $1.01
+
Nickels: $2.05
+
Dimes: $3.10
+
Quarters: $4.25
+
Ones: $90
+
Fives: $55
+
Tens: $20
+
Twenties: $60
+
Hundreds: $100
+
+
+
+
+
+
+
+
diff --git a/apps/cash-register/package-lock.json b/apps/cash-register/package-lock.json
new file mode 100644
index 00000000..cdbe090e
--- /dev/null
+++ b/apps/cash-register/package-lock.json
@@ -0,0 +1,516 @@
+{
+ "name": "cash-register",
+ "version": "0.0.1",
+ "lockfileVersion": 3,
+ "requires": true,
+ "packages": {
+ "": {
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+ "dependencies": {
+ "mime-types": "~2.1.34",
+ "negotiator": "0.6.3"
+ },
+ "engines": {
+ "node": ">= 0.6"
+ }
+ },
+ "node_modules/array-flatten": {
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+ "iconv-lite": "0.4.24",
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+ }
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+ "version": "2.4.3",
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+ "dependencies": {
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+ "http-errors": "1.8.1",
+ "iconv-lite": "0.4.24",
+ "unpipe": "1.0.0"
+ },
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+ }
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+ "funding": [
+ {
+ "type": "github",
+ "url": "https://github.com/sponsors/feross"
+ },
+ {
+ "type": "patreon",
+ "url": "https://www.patreon.com/feross"
+ },
+ {
+ "type": "consulting",
+ "url": "https://feross.org/support"
+ }
+ ]
+ },
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+ "version": "2.1.2",
+ "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
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+ },
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+ "resolved": "https://registry.npmjs.org/send/-/send-0.17.2.tgz",
+ "integrity": "sha512-UJYB6wFSJE3G00nEivR5rgWp8c2xXvJ3OPWPhmuteU0IKj8nKbG3DrjiOmLwpnHGYWAVwA69zmTm++YG0Hmwww==",
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+ "debug": "2.6.9",
+ "depd": "~1.1.2",
+ "destroy": "~1.0.4",
+ "encodeurl": "~1.0.2",
+ "escape-html": "~1.0.3",
+ "etag": "~1.8.1",
+ "fresh": "0.5.2",
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+ "ms": "2.1.3",
+ "on-finished": "~2.3.0",
+ "range-parser": "~1.2.1",
+ "statuses": "~1.5.0"
+ },
+ "engines": {
+ "node": ">= 0.8.0"
+ }
+ },
+ "node_modules/send/node_modules/ms": {
+ "version": "2.1.3",
+ "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
+ "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA=="
+ },
+ "node_modules/serve-static": {
+ "version": "1.14.2",
+ "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.14.2.tgz",
+ "integrity": "sha512-+TMNA9AFxUEGuC0z2mevogSnn9MXKb4fa7ngeRMJaaGv8vTwnIEkKi+QGvPt33HSnf8pRS+WGM0EbMtCJLKMBQ==",
+ "dependencies": {
+ "encodeurl": "~1.0.2",
+ "escape-html": "~1.0.3",
+ "parseurl": "~1.3.3",
+ "send": "0.17.2"
+ },
+ "engines": {
+ "node": ">= 0.8.0"
+ }
+ },
+ "node_modules/setprototypeof": {
+ "version": "1.2.0",
+ "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.2.0.tgz",
+ "integrity": "sha512-E5LDX7Wrp85Kil5bhZv46j8jOeboKq5JMmYM3gVGdGH8xFpPWXUMsNrlODCrkoxMEeNi/XZIwuRvY4XNwYMJpw=="
+ },
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+ "version": "1.5.0",
+ "resolved": "https://registry.npmjs.org/statuses/-/statuses-1.5.0.tgz",
+ "integrity": "sha512-OpZ3zP+jT1PI7I8nemJX4AKmAX070ZkYPVWV/AaKTJl+tXCTGyVdC1a4SL8RUQYEwk/f34ZX8UTykN68FwrqAA==",
+ "engines": {
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+ }
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+ "version": "1.0.1",
+ "resolved": "https://registry.npmjs.org/toidentifier/-/toidentifier-1.0.1.tgz",
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+ "engines": {
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+ "media-typer": "0.3.0",
+ "mime-types": "~2.1.24"
+ },
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+ }
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+ "engines": {
+ "node": ">= 0.8"
+ }
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+ "version": "1.0.1",
+ "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
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+ "engines": {
+ "node": ">= 0.4.0"
+ }
+ },
+ "node_modules/vary": {
+ "version": "1.1.2",
+ "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
+ "integrity": "sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg==",
+ "engines": {
+ "node": ">= 0.8"
+ }
+ }
+ }
+}
diff --git a/apps/cash-register/package.json b/apps/cash-register/package.json
new file mode 100644
index 00000000..ee7faa70
--- /dev/null
+++ b/apps/cash-register/package.json
@@ -0,0 +1,13 @@
+{
+ "name": "cash-register",
+ "version": "0.0.1",
+ "description": "JavaScript Algorithms and Data Structures project for freeCodeCamp",
+ "main": "server.js",
+ "scripts": {
+ "start": "node server.js"
+ },
+ "dependencies": {
+ "dotenv": "16.0.0",
+ "express": "4.17.3"
+ }
+}
diff --git a/apps/cash-register/public/script.js b/apps/cash-register/public/script.js
new file mode 100644
index 00000000..dc0a7029
--- /dev/null
+++ b/apps/cash-register/public/script.js
@@ -0,0 +1,104 @@
+// Do not change code below this line
+const cid = [
+ ['Penny', 1.01],
+ ['Nickel', 2.05],
+ ['Dime', 3.1],
+ ['Quarter', 4.25],
+ ['One', 90],
+ ['Five', 55],
+ ['Ten', 20],
+ ['Twenty', 60],
+ ['One hundred', 100]
+];
+// Do not change code above this line
+
+const message = document.getElementById('message');
+const displayChangeDue = document.getElementById('change-due');
+const cash = document.getElementById('cash');
+const purchaseBtn = document.getElementById('purchase-btn');
+const newItemBtn = document.getElementById('new-btn');
+let newItemPrice = 4.23;
+
+const getNewPrice = () => {
+ displayChangeDue.innerHTML = '';
+ cash.value = '';
+ newItemPrice = Number((Math.random() * 200 + 1).toFixed(2));
+ message.innerHTML = `Total: $${newItemPrice}`;
+};
+
+const formatResults = (status, change) => {
+ displayChangeDue.innerHTML = `Status: ${status}`;
+ change.map(
+ money => (displayChangeDue.innerHTML += `${money[0]}: $${money[1]}
`)
+ );
+ return;
+};
+
+const checkCashRegister = () => {
+ if (Number(cash.value) < newItemPrice) {
+ alert('Customer does not have enough money to purchase item');
+ cash.value = '';
+ return;
+ }
+
+ if (Number(cash.value) === newItemPrice) {
+ displayChangeDue.innerHTML = 'No change due. Customer paid with exact cash';
+ cash.value = '';
+ return;
+ }
+
+ let changeDue = Number(cash.value) - newItemPrice;
+ let reversedCid = [...cid].reverse();
+ let denominations = [100, 20, 10, 5, 1, 0.25, 0.1, 0.05, 0.01];
+ let result = { status: 'OPEN', change: [] };
+ let totalCID = parseFloat(
+ cid
+ .map(total => total[1])
+ .reduce((prev, curr) => prev + curr)
+ .toFixed(2)
+ );
+
+ if (totalCID < changeDue) {
+ return (displayChangeDue.innerHTML = 'Status: INSUFFICIENT_FUNDS');
+ }
+
+ if (totalCID === changeDue) {
+ formatResults('CLOSED', cid);
+ }
+
+ for (let i = 0; i <= reversedCid.length; i++) {
+ if (changeDue > denominations[i] && changeDue > 0) {
+ let count = 0;
+ let total = reversedCid[i][1];
+ while (total > 0 && changeDue >= denominations[i]) {
+ total -= denominations[i];
+ changeDue = parseFloat((changeDue -= denominations[i]).toFixed(2));
+ count++;
+ }
+ result.change.push([reversedCid[i][0], count * denominations[i]]);
+ }
+ }
+ if (changeDue > 0) {
+ return (displayChangeDue.innerHTML = 'Status: INSUFFICIENT_FUNDS');
+ }
+
+ formatResults(result.status, result.change);
+ cash.value = '';
+ return;
+};
+
+const checkResults = () => {
+ if (!cash.value) {
+ return;
+ }
+ checkCashRegister();
+};
+
+purchaseBtn.addEventListener('click', checkResults);
+cash.addEventListener('keydown', e => {
+ if (e.key === 'Enter') {
+ checkResults();
+ }
+});
+
+newItemBtn.addEventListener('click', getNewPrice);
diff --git a/apps/cash-register/public/styles.css b/apps/cash-register/public/styles.css
new file mode 100644
index 00000000..ff9aa783
--- /dev/null
+++ b/apps/cash-register/public/styles.css
@@ -0,0 +1,154 @@
+* {
+ margin: 0;
+ padding: 0;
+ box-sizing: border-box;
+}
+
+:root {
+ --light-gray: #dfdfe2;
+ --dark-blue: #0a0a23;
+}
+
+body {
+ background-color: var(--dark-blue);
+ color: var(--light-gray);
+}
+
+main {
+ display: flex;
+ flex-wrap: wrap;
+ align-items: center;
+ justify-content: center;
+ flex-direction: column;
+ padding: 40px 10px;
+}
+
+.freecodecamp-logo {
+ width: 100%;
+ height: 30px;
+ margin-bottom: 20px;
+}
+
+h1 {
+ font-size: 2.5rem;
+ margin: 20px 0;
+ text-align: center;
+}
+
+#change-due {
+ text-align: left;
+ font-size: 1.2rem;
+}
+
+.container {
+ display: flex;
+ flex-direction: column;
+ justify-content: center;
+ align-items: center;
+}
+
+.input-div {
+ display: flex;
+ justify-content: center;
+ align-items: center;
+ flex-wrap: wrap;
+ margin: 10px 0 20px;
+}
+
+.user-input {
+ height: 30px;
+ padding: 10px;
+ margin: 10px;
+ font-size: 15px;
+}
+
+.change-title {
+ font-weight: bold;
+}
+
+.price-screen {
+ border: 10px solid #99c9ff;
+ background-color: black;
+ height: 50px;
+ width: 200px;
+ margin-left: -40px;
+ color: white;
+ font-size: 1.2rem;
+ text-align: center;
+ display: flex;
+ flex-wrap: wrap;
+ align-items: center;
+ justify-content: center;
+}
+
+#price {
+ font-size: 1.5rem;
+ text-align: center;
+}
+
+.connector {
+ margin-left: -20px;
+ background-color: #99c9ff;
+ height: 30px;
+ width: 40px;
+}
+
+.top-register {
+ display: flex;
+ justify-content: space-around;
+ border-radius: 35px 35px 0 0;
+ padding-top: 20px;
+ background-color: #99c9ff;
+ height: 250px;
+ width: 350px;
+}
+
+.btns-container {
+ width: 30%;
+}
+
+.btn {
+ border-radius: 10%;
+ border: none;
+ width: 30px;
+ height: 30px;
+ background-color: black;
+}
+
+.check-btn-styles {
+ cursor: pointer;
+ width: 100px;
+ height: 30px;
+ margin: 10px;
+ color: #0a0a23;
+ font-size: 18px;
+ font-weight: bold;
+ background-color: #feac32;
+ background-image: linear-gradient(#fecc4c, #ffac33);
+ border-color: #feac32;
+ border-width: 3px;
+}
+
+.results {
+ font-size: 1.1rem;
+ background-color: white;
+ width: 50%;
+ height: 95%;
+ color: black;
+ padding: 10px;
+}
+
+.bottom-register {
+ background-color: #99c9ff;
+ height: 50px;
+ width: 400px;
+ margin-top: 10px;
+}
+
+.circle {
+ margin: 15px auto;
+ border-radius: 50%;
+ width: 20px;
+ height: 20px;
+ background-color: black;
+}
diff --git a/apps/cash-register/sample.env b/apps/cash-register/sample.env
new file mode 100644
index 00000000..2fc80e3a
--- /dev/null
+++ b/apps/cash-register/sample.env
@@ -0,0 +1 @@
+PORT=3000
diff --git a/apps/cash-register/server.js b/apps/cash-register/server.js
new file mode 100644
index 00000000..a3edd40c
--- /dev/null
+++ b/apps/cash-register/server.js
@@ -0,0 +1,15 @@
+require('dotenv').config();
+const express = require('express');
+const app = express();
+
+app.use(express.static('public'));
+
+app.get('', (req, res) => {
+ res.sendFile(`${process.cwd()}/index.html`);
+});
+
+const portNum = process.env.PORT || 3000;
+
+app.listen(portNum, () => {
+ console.log(`Listening on port ${portNum}`);
+});
diff --git a/apps/palindrome-checker/.dockerignore b/apps/palindrome-checker/.dockerignore
new file mode 100644
index 00000000..6d6356b8
--- /dev/null
+++ b/apps/palindrome-checker/.dockerignore
@@ -0,0 +1,6 @@
+.env
+.git
+.gitignore
+.dockerignore
+node_modules
+Dockerfile
diff --git a/apps/palindrome-checker/index.html b/apps/palindrome-checker/index.html
new file mode 100644
index 00000000..9e7b30d4
--- /dev/null
+++ b/apps/palindrome-checker/index.html
@@ -0,0 +1,46 @@
+
+
+
+
+
+
+
+ Palindrome Checker
+
+
+
+
+
+
+ Is it a Palindrome?
+
+
+
+ 💡
+ A palindrome is a word or phrase that can be read the same way
+ forwards and backwards.
+
+
+
+
+
+
+
diff --git a/apps/palindrome-checker/package-lock.json b/apps/palindrome-checker/package-lock.json
new file mode 100644
index 00000000..ced445de
--- /dev/null
+++ b/apps/palindrome-checker/package-lock.json
@@ -0,0 +1,516 @@
+{
+ "name": "portfolio",
+ "version": "0.0.1",
+ "lockfileVersion": 3,
+ "requires": true,
+ "packages": {
+ "": {
+ "name": "portfolio",
+ "version": "0.0.1",
+ "dependencies": {
+ "dotenv": "16.0.0",
+ "express": "4.17.3"
+ }
+ },
+ "node_modules/accepts": {
+ "version": "1.3.8",
+ "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.8.tgz",
+ "integrity": "sha512-PYAthTa2m2VKxuvSD3DPC/Gy+U+sOA1LAuT8mkmRuvw+NACSaeXEQ+NHcVF7rONl6qcaxV3Uuemwawk+7+SJLw==",
+ "dependencies": {
+ "mime-types": "~2.1.34",
+ "negotiator": "0.6.3"
+ },
+ "engines": {
+ "node": ">= 0.6"
+ }
+ },
+ "node_modules/array-flatten": {
+ "version": "1.1.1",
+ "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
+ "integrity": "sha512-PCVAQswWemu6UdxsDFFX/+gVeYqKAod3D3UVm91jHwynguOwAvYPhx8nNlM++NqRcK6CxxpUafjmhIdKiHibqg=="
+ },
+ "node_modules/body-parser": {
+ "version": "1.19.2",
+ "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.19.2.tgz",
+ "integrity": "sha512-SAAwOxgoCKMGs9uUAUFHygfLAyaniaoun6I8mFY9pRAJL9+Kec34aU+oIjDhTycub1jozEfEwx1W1IuOYxVSFw==",
+ "dependencies": {
+ "bytes": "3.1.2",
+ "content-type": "~1.0.4",
+ "debug": "2.6.9",
+ "depd": "~1.1.2",
+ "http-errors": "1.8.1",
+ "iconv-lite": "0.4.24",
+ "on-finished": "~2.3.0",
+ "qs": "6.9.7",
+ "raw-body": "2.4.3",
+ "type-is": "~1.6.18"
+ },
+ "engines": {
+ "node": ">= 0.8"
+ }
+ },
+ "node_modules/bytes": {
+ "version": "3.1.2",
+ "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.2.tgz",
+ "integrity": "sha512-/Nf7TyzTx6S3yRJObOAV7956r8cr2+Oj8AC5dt8wSP3BQAoeX58NoHyCU8P8zGkNXStjTSi6fzO6F0pBdcYbEg==",
+ "engines": {
+ "node": ">= 0.8"
+ }
+ },
+ "node_modules/content-disposition": {
+ "version": "0.5.4",
+ "resolved": "https://registry.npmjs.org/content-disposition/-/content-disposition-0.5.4.tgz",
+ "integrity": "sha512-FveZTNuGw04cxlAiWbzi6zTAL/lhehaWbTtgluJh4/E95DqMwTmha3KZN1aAWA8cFIhHzMZUvLevkw5Rqk+tSQ==",
+ "dependencies": {
+ "safe-buffer": "5.2.1"
+ },
+ "engines": {
+ "node": ">= 0.6"
+ }
+ },
+ "node_modules/content-type": {
+ "version": "1.0.5",
+ "resolved": "https://registry.npmjs.org/content-type/-/content-type-1.0.5.tgz",
+ "integrity": "sha512-nTjqfcBFEipKdXCv4YDQWCfmcLZKm81ldF0pAopTvyrFGVbcR6P/VAAd5G7N+0tTr8QqiU0tFadD6FK4NtJwOA==",
+ "engines": {
+ "node": ">= 0.6"
+ }
+ },
+ "node_modules/cookie": {
+ "version": "0.4.2",
+ "resolved": "https://registry.npmjs.org/cookie/-/cookie-0.4.2.tgz",
+ "integrity": "sha512-aSWTXFzaKWkvHO1Ny/s+ePFpvKsPnjc551iI41v3ny/ow6tBG5Vd+FuqGNhh1LxOmVzOlGUriIlOaokOvhaStA==",
+ "engines": {
+ "node": ">= 0.6"
+ }
+ },
+ "node_modules/cookie-signature": {
+ "version": "1.0.6",
+ "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz",
+ "integrity": "sha512-QADzlaHc8icV8I7vbaJXJwod9HWYp8uCqf1xa4OfNu1T7JVxQIrUgOWtHdNDtPiywmFbiS12VjotIXLrKM3orQ=="
+ },
+ "node_modules/debug": {
+ "version": "2.6.9",
+ "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
+ "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+ "dependencies": {
+ "ms": "2.0.0"
+ }
+ },
+ "node_modules/depd": {
+ "version": "1.1.2",
+ "resolved": "https://registry.npmjs.org/depd/-/depd-1.1.2.tgz",
+ "integrity": "sha512-7emPTl6Dpo6JRXOXjLRxck+FlLRX5847cLKEn00PLAgc3g2hTZZgr+e4c2v6QpSmLeFP3n5yUo7ft6avBK/5jQ==",
+ "engines": {
+ "node": ">= 0.6"
+ }
+ },
+ "node_modules/destroy": {
+ "version": "1.0.4",
+ "resolved": "https://registry.npmjs.org/destroy/-/destroy-1.0.4.tgz",
+ "integrity": "sha512-3NdhDuEXnfun/z7x9GOElY49LoqVHoGScmOKwmxhsS8N5Y+Z8KyPPDnaSzqWgYt/ji4mqwfTS34Htrk0zPIXVg=="
+ },
+ "node_modules/dotenv": {
+ "version": "16.0.0",
+ "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-16.0.0.tgz",
+ "integrity": "sha512-qD9WU0MPM4SWLPJy/r2Be+2WgQj8plChsyrCNQzW/0WjvcJQiKQJ9mH3ZgB3fxbUUxgc/11ZJ0Fi5KiimWGz2Q==",
+ "engines": {
+ "node": ">=12"
+ }
+ },
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diff --git a/apps/palindrome-checker/package.json b/apps/palindrome-checker/package.json
new file mode 100644
index 00000000..b427f0a0
--- /dev/null
+++ b/apps/palindrome-checker/package.json
@@ -0,0 +1,13 @@
+{
+ "name": "palindrome-checker",
+ "version": "0.0.1",
+ "description": "JavaScript Algorithms and Data Structures project for freeCodeCamp",
+ "main": "server.js",
+ "scripts": {
+ "start": "node server.js"
+ },
+ "dependencies": {
+ "dotenv": "16.0.0",
+ "express": "4.17.3"
+ }
+}
diff --git a/apps/palindrome-checker/public/script.js b/apps/palindrome-checker/public/script.js
new file mode 100644
index 00000000..79839510
--- /dev/null
+++ b/apps/palindrome-checker/public/script.js
@@ -0,0 +1,44 @@
+const userInput = document.getElementById('text-input');
+const checkPalindromeBtn = document.getElementById('btn');
+const resultDiv = document.getElementById('result');
+
+const checkForPalindrome = input => {
+ const hasSpecialCharactersOrDigits = /[\W\d_]/.test(input);
+
+ if (input === '') {
+ alert('Please input a value');
+ return;
+ }
+
+ if (hasSpecialCharactersOrDigits === true) {
+ alert('Input should not include numbers and special characters');
+ return;
+ }
+ // Remove the previous result.
+ resultDiv.replaceChildren();
+
+ const lowerCaseStr = input.replace(/[^A-Z0-9]/gi, '').toLowerCase();
+ let resultMsg = `${input} ${
+ lowerCaseStr === [...lowerCaseStr].reverse().join('') ? 'is' : 'is not'
+ } a palindrome.`;
+
+ const pTag = document.createElement('p');
+ pTag.className = 'user-input';
+ pTag.appendChild(document.createTextNode(resultMsg));
+ resultDiv.appendChild(pTag);
+
+ // Show the result.
+ resultDiv.classList.remove('hidden');
+};
+
+checkPalindromeBtn.addEventListener('click', () => {
+ checkForPalindrome(userInput.value);
+ userInput.value = '';
+});
+
+userInput.addEventListener('keydown', e => {
+ if (e.key === 'Enter') {
+ checkForPalindrome(userInput.value);
+ userInput.value = '';
+ }
+});
diff --git a/apps/palindrome-checker/public/styles.css b/apps/palindrome-checker/public/styles.css
new file mode 100644
index 00000000..ae69db98
--- /dev/null
+++ b/apps/palindrome-checker/public/styles.css
@@ -0,0 +1,110 @@
+* {
+ margin: 0;
+ padding: 0;
+ box-sizing: border-box;
+}
+
+body {
+ font-family: Verdana, Geneva, Tahoma, sans-serif;
+ background-color: #0a0a23;
+ color: #ffffff;
+}
+
+.container {
+ width: 100%;
+ min-height: 100vh;
+ position: relative;
+ display: flex;
+ align-items: center;
+ justify-content: center;
+ flex-direction: column;
+}
+
+.freecodecamp-logo {
+ height: 30px;
+ margin-bottom: 20px;
+}
+
+.title {
+ text-align: center;
+ padding: 10px 0;
+ font-size: 2.5rem;
+ margin-bottom: 20px;
+}
+
+.palindrome-div {
+ width: min(100vw, 450px);
+ min-height: 100px;
+ border-radius: 20px;
+ display: flex;
+ align-items: center;
+ justify-content: center;
+ flex-wrap: wrap;
+ padding: 20px;
+ margin: 10px 0;
+ background-color: white;
+ box-shadow: 0 6px 6px #002ead;
+}
+
+.palindrome-btn {
+ width: 90px;
+ border: none;
+ padding: 10px;
+ border-radius: 15px;
+ background-color: #5a01a7;
+ color: #fff;
+ cursor: pointer;
+}
+
+.palindrome-input {
+ height: 30px;
+ width: 250px;
+ text-align: center;
+ font-size: 1.2rem;
+ margin: 10px;
+ border: none;
+ border-bottom: 2px solid #5a01a7;
+}
+
+.palindrome-input:focus {
+ border-bottom: 3px solid #5a01a7;
+}
+
+.palindrome-input::placeholder {
+ text-align: center;
+}
+
+.user-input {
+ font-size: 1.4rem;
+ margin-top: 10px;
+ text-align: center;
+}
+
+.results-div {
+ overflow-y: auto;
+ word-wrap: break-word;
+ min-height: 50px;
+ color: black;
+}
+
+.hidden {
+ display: none;
+}
+
+.palindrome-definition-div {
+ width: min(100vw, 450px);
+ font-size: 1.3rem;
+ min-height: 140px;
+ background-color: #00471b;
+ margin-top: 20px;
+ padding: 20px;
+ border-radius: 20px;
+ display: flex;
+ align-items: center;
+ justify-content: center;
+}
+
+.palindrome-definition {
+ vertical-align: middle;
+ text-align: center;
+}
diff --git a/apps/palindrome-checker/sample.env b/apps/palindrome-checker/sample.env
new file mode 100644
index 00000000..2fc80e3a
--- /dev/null
+++ b/apps/palindrome-checker/sample.env
@@ -0,0 +1 @@
+PORT=3000
diff --git a/apps/palindrome-checker/server.js b/apps/palindrome-checker/server.js
new file mode 100644
index 00000000..a3edd40c
--- /dev/null
+++ b/apps/palindrome-checker/server.js
@@ -0,0 +1,15 @@
+require('dotenv').config();
+const express = require('express');
+const app = express();
+
+app.use(express.static('public'));
+
+app.get('', (req, res) => {
+ res.sendFile(`${process.cwd()}/index.html`);
+});
+
+const portNum = process.env.PORT || 3000;
+
+app.listen(portNum, () => {
+ console.log(`Listening on port ${portNum}`);
+});
diff --git a/apps/pokemon-search-app/.dockerignore b/apps/pokemon-search-app/.dockerignore
new file mode 100644
index 00000000..6d6356b8
--- /dev/null
+++ b/apps/pokemon-search-app/.dockerignore
@@ -0,0 +1,6 @@
+.env
+.git
+.gitignore
+.dockerignore
+node_modules
+Dockerfile
diff --git a/apps/pokemon-search-app/index.html b/apps/pokemon-search-app/index.html
new file mode 100644
index 00000000..8d7f57fe
--- /dev/null
+++ b/apps/pokemon-search-app/index.html
@@ -0,0 +1,80 @@
+
+
+
+
+
+
+
+ Pokémon Search App
+
+
+
+ Pokémon Search App
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ Base |
+ Stats |
+
+
+ HP: |
+ |
+
+
+ Attack: |
+ |
+
+
+ Defense: |
+ |
+
+
+ Sp. Attack: |
+ |
+
+
+ Sp. Defense: |
+ |
+
+
+ Speed: |
+ |
+
+
+
+
+
+
+
+
diff --git a/apps/pokemon-search-app/package-lock.json b/apps/pokemon-search-app/package-lock.json
new file mode 100644
index 00000000..d5aec98e
--- /dev/null
+++ b/apps/pokemon-search-app/package-lock.json
@@ -0,0 +1,516 @@
+{
+ "name": "random-quote-machine-js",
+ "version": "0.0.1",
+ "lockfileVersion": 3,
+ "requires": true,
+ "packages": {
+ "": {
+ "name": "random-quote-machine-js",
+ "version": "0.0.1",
+ "dependencies": {
+ "dotenv": "16.0.0",
+ "express": "4.17.3"
+ }
+ },
+ "node_modules/accepts": {
+ "version": "1.3.8",
+ "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.8.tgz",
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+ "dependencies": {
+ "mime-types": "~2.1.34",
+ "negotiator": "0.6.3"
+ },
+ "engines": {
+ "node": ">= 0.6"
+ }
+ },
+ "node_modules/array-flatten": {
+ "version": "1.1.1",
+ "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
+ "integrity": "sha512-PCVAQswWemu6UdxsDFFX/+gVeYqKAod3D3UVm91jHwynguOwAvYPhx8nNlM++NqRcK6CxxpUafjmhIdKiHibqg=="
+ },
+ "node_modules/body-parser": {
+ "version": "1.19.2",
+ "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.19.2.tgz",
+ "integrity": "sha512-SAAwOxgoCKMGs9uUAUFHygfLAyaniaoun6I8mFY9pRAJL9+Kec34aU+oIjDhTycub1jozEfEwx1W1IuOYxVSFw==",
+ "dependencies": {
+ "bytes": "3.1.2",
+ "content-type": "~1.0.4",
+ "debug": "2.6.9",
+ "depd": "~1.1.2",
+ "http-errors": "1.8.1",
+ "iconv-lite": "0.4.24",
+ "on-finished": "~2.3.0",
+ "qs": "6.9.7",
+ "raw-body": "2.4.3",
+ "type-is": "~1.6.18"
+ },
+ "engines": {
+ "node": ">= 0.8"
+ }
+ },
+ "node_modules/bytes": {
+ "version": "3.1.2",
+ "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.2.tgz",
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+ "engines": {
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+ },
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+ "engines": {
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diff --git a/apps/pokemon-search-app/package.json b/apps/pokemon-search-app/package.json
new file mode 100644
index 00000000..4f18ee27
--- /dev/null
+++ b/apps/pokemon-search-app/package.json
@@ -0,0 +1,13 @@
+{
+ "name": "pokemon-search-app",
+ "version": "0.0.1",
+ "description": "JavaScript Algorithms and Data Structures project for freeCodeCamp",
+ "main": "server.js",
+ "scripts": {
+ "start": "node server.js"
+ },
+ "dependencies": {
+ "dotenv": "16.0.0",
+ "express": "4.17.3"
+ }
+}
diff --git a/apps/pokemon-search-app/public/script.js b/apps/pokemon-search-app/public/script.js
new file mode 100644
index 00000000..666ac2fb
--- /dev/null
+++ b/apps/pokemon-search-app/public/script.js
@@ -0,0 +1,78 @@
+const pokemonID = document.getElementById("pokemon-id");
+const pokemonName = document.getElementById("pokemon-name");
+const sprite = document.getElementById("sprite");
+const types = document.getElementById("types");
+const height = document.getElementById("height");
+const weight = document.getElementById("weight");
+const hp = document.getElementById("hp");
+const attack = document.getElementById("attack");
+const defense = document.getElementById("defense");
+const specialAttack = document.getElementById("special-attack");
+const specialDefense = document.getElementById("special-defense");
+const speed = document.getElementById("speed");
+const searchForm = document.getElementById("search-form");
+const searchInput = document.getElementById("search-input");
+
+const getPokemon = async () => {
+ try {
+ const pokemonNameOrId = searchInput.value.toLowerCase();
+ const response = await fetch(
+ `https://pokeapi-proxy.freecodecamp.rocks/api/pokemon/${pokemonNameOrId}`
+ );
+ const data = await response.json();
+
+ // Set Pokémon info
+ pokemonName.innerHTML = `${data.name.toUpperCase()}`;
+ pokemonID.innerHTML = `#${data.id}`;
+ weight.innerHTML = `Weight: ${data.weight}`;
+ height.innerHTML = `Height: ${data.height}`;
+ sprite.src = data.sprites.front_default;
+ sprite.alt = `${data.name} front default sprite`;
+
+ // Set stats
+ hp.innerHTML = data.stats[0].base_stat;
+ attack.innerHTML = data.stats[1].base_stat;
+ defense.innerHTML = data.stats[2].base_stat;
+ specialAttack.innerHTML = data.stats[3].base_stat;
+ specialDefense.innerHTML = data.stats[4].base_stat;
+ speed.innerHTML = data.stats[5].base_stat;
+
+ // Set types
+ let typesHTML = "";
+
+ data.types.forEach((obj) => {
+ typesHTML += `${obj.type.name}`;
+ });
+ types.innerHTML = typesHTML;
+ } catch (err) {
+ resetDisplay();
+ alert("Pokémon not found");
+ console.log(`Pokémon not found: ${err}`);
+ }
+};
+
+searchForm.addEventListener("submit", (e) => {
+ e.preventDefault();
+ getPokemon();
+});
+
+function resetDisplay() {
+ // reset to default display if pokemon is not found
+
+ // reset image src and alt
+ sprite.src = "";
+ sprite.alt = "";
+
+ // reset stats
+ pokemonName.innerHTML = "";
+ pokemonID.innerHTML = "";
+ types.innerHTML = "";
+ height.innerHTML = "";
+ weight.innerHTML = "";
+ hp.innerHTML = "";
+ attack.innerHTML = "";
+ defense.innerHTML = "";
+ specialAttack.innerHTML = "";
+ specialDefense.innerHTML = "";
+ speed.innerHTML = "";
+}
diff --git a/apps/pokemon-search-app/public/styles.css b/apps/pokemon-search-app/public/styles.css
new file mode 100644
index 00000000..ca21b4e0
--- /dev/null
+++ b/apps/pokemon-search-app/public/styles.css
@@ -0,0 +1,254 @@
+/* CSS reset */
+
+*,
+*::before,
+*::after {
+ box-sizing: border-box;
+}
+
+* {
+ margin: 0;
+}
+
+body {
+ line-height: 1.5;
+}
+
+img {
+ display: block;
+}
+
+/* Project styling */
+
+body {
+ font-family: sans-serif;
+ background-color: #0a0a23;
+ color: #0a0a23;
+ font-family: Verdana, Geneva, Tahoma, sans-serif;
+ display: flex;
+ flex-direction: column;
+ align-items: center;
+}
+
+h1 {
+ color: #fff;
+ margin-top: 20px;
+}
+
+.container {
+ width: 325px;
+ margin: 30px 0;
+ background-color: #fff;
+ color: #000;
+ border: 1px solid #fff;
+ border-radius: 15px;
+ box-shadow: 10px 10px 0px 0px rgba(223, 220, 220, 0.75);
+}
+
+.output,
+#search-form {
+ display: flex;
+ justify-content: center;
+}
+
+#search-form {
+ margin: 10px 0;
+ padding: 5px;
+ border-radius: 8px 8px 0 0;
+ gap: 10px;
+}
+
+#search-input {
+ height: 40px;
+ padding-left: 10px;
+ width: 200px;
+}
+
+#search-button {
+ padding: 14px 0;
+ width: 80px;
+ border-radius: 20px;
+ text-align: center;
+ background-color: #a230d7;
+ outline: none;
+ border: none;
+}
+
+.sr-only {
+ position: absolute;
+ left: -10000px;
+ width: 1px;
+ height: 1px;
+}
+
+.output {
+ margin: 10px 0;
+ padding: 5px;
+ flex-direction: column;
+ align-items: center;
+}
+
+.top-container,
+.bottom-container {
+ display: flex;
+ flex-direction: column;
+ min-width: 400px;
+ min-height: 305px;
+}
+
+.top-container {
+ margin-bottom: 10px;
+ padding: 10px;
+ background-color: #f0f1f7;
+}
+
+.name-and-id {
+ height: 28px;
+ font-size: 1.1em;
+ text-transform: capitalize;
+ margin-bottom: 5px;
+}
+
+.size {
+ height: 22px;
+ font-size: 0.85rem;
+}
+
+#sprite {
+ margin: 20px 0;
+ min-width: 180px;
+ min-height: 180px;
+ align-self: center;
+}
+
+#types {
+ min-height: 30px;
+ display: flex;
+ flex-wrap: wrap;
+ justify-content: flex-start;
+ gap: 5px;
+}
+
+.type {
+ width: 66px;
+ padding: 5px;
+ font-size: 0.7rem;
+ text-align: center;
+ border-radius: 5px;
+ background-color: red;
+ text-transform: uppercase;
+}
+
+table {
+ border-collapse: collapse;
+ border-spacing: 0;
+ width: 100%;
+ font-size: 1 rem;
+ color: #fff;
+ background-color: #a230d7;
+}
+
+th:nth-child(even),
+td:nth-child(even) {
+ border-left: 5px solid #fff;
+}
+
+tr {
+ border-bottom: 5px solid #fff;
+}
+
+td,
+th {
+ text-align: center;
+ padding: 8px;
+}
+
+/* Special styling for Pokémon types */
+
+.normal {
+ background-color: #b7b7aa;
+}
+
+.fire {
+ background-color: #ff6f52;
+}
+
+.water {
+ background-color: #42a1ff;
+}
+
+.electric {
+ background-color: #fecc33;
+}
+
+.grass {
+ background-color: #78cc55;
+}
+
+.ice {
+ background-color: #66ccfe;
+}
+
+.fighting {
+ background-color: #d3887e;
+}
+
+.poison {
+ background-color: #c68bb7;
+}
+
+.ground {
+ background-color: #dfba52;
+}
+
+.flying {
+ background-color: #8899ff;
+}
+
+.psychic {
+ background-color: #ff66a3;
+}
+
+.bug {
+ background-color: #aabb23;
+}
+
+.rock {
+ background-color: #baaa66;
+}
+
+.ghost {
+ background-color: #9995d0;
+}
+
+.dragon {
+ background-color: #9e93f1;
+}
+
+.dark {
+ background-color: #b59682;
+}
+
+.steel {
+ background-color: #abaabb;
+}
+
+.fairy {
+ background-color: #ed99ed;
+}
+
+@media screen and (min-width: 550px) {
+ .container {
+ width: 450px;
+ }
+
+ #search-form,
+ .top-container,
+ .bottom-container {
+ width: 95%;
+ }
+
+ .type {
+ width: 75px;
+ }
+}
diff --git a/apps/pokemon-search-app/sample.env b/apps/pokemon-search-app/sample.env
new file mode 100644
index 00000000..2fc80e3a
--- /dev/null
+++ b/apps/pokemon-search-app/sample.env
@@ -0,0 +1 @@
+PORT=3000
diff --git a/apps/pokemon-search-app/server.js b/apps/pokemon-search-app/server.js
new file mode 100644
index 00000000..a3edd40c
--- /dev/null
+++ b/apps/pokemon-search-app/server.js
@@ -0,0 +1,15 @@
+require('dotenv').config();
+const express = require('express');
+const app = express();
+
+app.use(express.static('public'));
+
+app.get('', (req, res) => {
+ res.sendFile(`${process.cwd()}/index.html`);
+});
+
+const portNum = process.env.PORT || 3000;
+
+app.listen(portNum, () => {
+ console.log(`Listening on port ${portNum}`);
+});
diff --git a/apps/roman-numeral-converter/.dockerignore b/apps/roman-numeral-converter/.dockerignore
new file mode 100644
index 00000000..6d6356b8
--- /dev/null
+++ b/apps/roman-numeral-converter/.dockerignore
@@ -0,0 +1,6 @@
+.env
+.git
+.gitignore
+.dockerignore
+node_modules
+Dockerfile
diff --git a/apps/roman-numeral-converter/index.html b/apps/roman-numeral-converter/index.html
new file mode 100644
index 00000000..928d2397
--- /dev/null
+++ b/apps/roman-numeral-converter/index.html
@@ -0,0 +1,38 @@
+
+
+
+
+
+
+
+
+
+ Roman Numeral Converter
+
+
+
+
+ Roman Numeral Converter
+
+
+
+
+
+
diff --git a/apps/roman-numeral-converter/package-lock.json b/apps/roman-numeral-converter/package-lock.json
new file mode 100644
index 00000000..e9d57cc0
--- /dev/null
+++ b/apps/roman-numeral-converter/package-lock.json
@@ -0,0 +1,516 @@
+{
+ "name": "roman-numeral-converter",
+ "version": "0.0.1",
+ "lockfileVersion": 3,
+ "requires": true,
+ "packages": {
+ "": {
+ "name": "roman-numeral-converter",
+ "version": "0.0.1",
+ "dependencies": {
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+ "express": "4.17.3"
+ }
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+ },
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diff --git a/apps/roman-numeral-converter/package.json b/apps/roman-numeral-converter/package.json
new file mode 100644
index 00000000..0734eaa8
--- /dev/null
+++ b/apps/roman-numeral-converter/package.json
@@ -0,0 +1,13 @@
+{
+ "name": "roman-numeral-converter",
+ "version": "0.0.1",
+ "description": "JavaScript Algorithms and Data Structures project for freeCodeCamp",
+ "main": "server.js",
+ "scripts": {
+ "start": "node server.js"
+ },
+ "dependencies": {
+ "dotenv": "16.0.0",
+ "express": "4.17.3"
+ }
+}
diff --git a/apps/roman-numeral-converter/public/script.js b/apps/roman-numeral-converter/public/script.js
new file mode 100644
index 00000000..5292548d
--- /dev/null
+++ b/apps/roman-numeral-converter/public/script.js
@@ -0,0 +1,79 @@
+const form = document.getElementById('form');
+const convertButton = document.getElementById('convert-btn');
+const output = document.getElementById('output');
+
+const convertToRoman = num => {
+ const ref = [
+ ['M', 1000],
+ ['CM', 900],
+ ['D', 500],
+ ['CD', 400],
+ ['C', 100],
+ ['XC', 90],
+ ['L', 50],
+ ['XL', 40],
+ ['X', 10],
+ ['IX', 9],
+ ['V', 5],
+ ['IV', 4],
+ ['I', 1]
+ ];
+ const res = [];
+
+ ref.forEach(function (arr) {
+ while (num >= arr[1]) {
+ res.push(arr[0]);
+ num -= arr[1];
+ }
+ });
+
+ return res.join('');
+};
+
+const isValid = (str, int) => {
+ let errText = '';
+
+ if (!str || str.match(/[e.]/g)) {
+ errText = 'Please enter a valid number.';
+ } else if (int < 1) {
+ errText = 'Please enter a number greater than or equal to 1.';
+ } else if (int > 3999) {
+ errText = 'Please enter a number less than or equal to 3999.';
+ } else {
+ // No errors detected
+ return true;
+ }
+
+ // Handle error text and output styling
+ output.innerText = errText;
+ output.classList.add('alert');
+
+ return false;
+};
+
+const clearOutput = () => {
+ output.innerText = '';
+ output.classList.remove('alert');
+};
+
+form.addEventListener('submit', e => {
+ e.preventDefault();
+ updateUI();
+});
+
+convertButton.addEventListener('click', () => {
+ updateUI();
+});
+
+const updateUI = () => {
+ const numStr = document.getElementById('number').value;
+ const int = parseInt(numStr, 10);
+
+ output.classList.remove('hidden');
+
+ clearOutput();
+
+ if (isValid(numStr, int)) {
+ output.innerText = convertToRoman(int);
+ }
+};
diff --git a/apps/roman-numeral-converter/public/styles.css b/apps/roman-numeral-converter/public/styles.css
new file mode 100644
index 00000000..a85384a2
--- /dev/null
+++ b/apps/roman-numeral-converter/public/styles.css
@@ -0,0 +1,135 @@
+:root {
+ --gray-00: #ffffff;
+ --gray-05: #f5f6f7;
+ --gray-15: #d0d0d5;
+ --gray-75: #3b3b4f;
+ --gray-85: #1b1b32;
+ --gray-90: #0a0a23;
+ --error: #a94442;
+ --danger-color: #850000;
+ --danger-background: #ffadad;
+}
+
+*,
+::before,
+::after {
+ padding: 0;
+ margin: 0;
+ box-sizing: border-box;
+}
+
+body {
+ min-height: 100vh;
+ padding: 50px 20px;
+ font-family: 'Lato', Helvetica, Arial, sans-serif;
+ font-size: 18px;
+ background-color: #dfdfe2;
+ color: var(--gray-85);
+ display: flex;
+ flex-wrap: wrap;
+ align-items: center;
+ justify-content: center;
+}
+
+main {
+ display: flex;
+ flex-direction: column;
+ align-items: center;
+ justify-content: center;
+}
+
+.freecodecamp-logo {
+ height: 30px;
+ margin-bottom: 20px;
+}
+
+h1 {
+ text-align: center;
+ margin: 20px auto;
+ max-width: 350px;
+ font-family: 'Castoro Titling', cursive;
+}
+
+form {
+ color: white;
+ margin: auto 25px;
+ padding: 15px auto;
+ border: 3px solid var(--gray-90);
+ text-align: center;
+ width: 90%;
+ background-color: var(--gray-85);
+}
+
+fieldset {
+ border: 0 none;
+ height: 100%;
+ padding: 25px;
+ margin: 10px 20px;
+}
+
+label {
+ display: inline-block;
+ font-size: 1.5rem;
+ margin-bottom: 10px;
+ font-weight: bold;
+}
+
+input {
+ display: block;
+ font-size: 2.5rem;
+ width: 100%;
+ height: 60px;
+ padding: 6px 12px;
+ margin: 10px 0;
+ line-height: 1.4;
+ color: white;
+ background-color: var(--gray-90);
+ border-color: var(--gray-85);
+ border-radius: 0;
+ outline: none;
+ outline-style: none;
+}
+
+button {
+ outline: none;
+ cursor: pointer;
+ margin-top: 15px;
+ text-decoration: none;
+ background-image: linear-gradient(#fecc4c, #ffac33);
+ border: 3px solid #feac32;
+ padding: 10px 16px;
+ font-size: 23px;
+ width: 100%;
+}
+
+.output {
+ color: white;
+ background-color: var(--gray-85);
+ border: 3px solid var(--gray-90);
+ font-size: 2.5rem;
+ width: 90%;
+ min-height: 55px;
+ margin-top: 25px;
+ border-radius: 0;
+ padding: 15px;
+ overflow-wrap: break-word;
+ text-align: center;
+}
+
+.alert {
+ font-size: 2rem;
+ background-color: var(--danger-background);
+ border: 3px solid var(--danger-color);
+ color: var(--danger-color);
+}
+
+.hidden {
+ display: none;
+}
+
+@media (min-width: 700px) {
+ form,
+ .output {
+ max-width: 450px;
+ }
+}
diff --git a/apps/roman-numeral-converter/sample.env b/apps/roman-numeral-converter/sample.env
new file mode 100644
index 00000000..2fc80e3a
--- /dev/null
+++ b/apps/roman-numeral-converter/sample.env
@@ -0,0 +1 @@
+PORT=3000
diff --git a/apps/roman-numeral-converter/server.js b/apps/roman-numeral-converter/server.js
new file mode 100644
index 00000000..a3edd40c
--- /dev/null
+++ b/apps/roman-numeral-converter/server.js
@@ -0,0 +1,15 @@
+require('dotenv').config();
+const express = require('express');
+const app = express();
+
+app.use(express.static('public'));
+
+app.get('', (req, res) => {
+ res.sendFile(`${process.cwd()}/index.html`);
+});
+
+const portNum = process.env.PORT || 3000;
+
+app.listen(portNum, () => {
+ console.log(`Listening on port ${portNum}`);
+});
diff --git a/apps/telephone-number-validator/.dockerignore b/apps/telephone-number-validator/.dockerignore
new file mode 100644
index 00000000..6d6356b8
--- /dev/null
+++ b/apps/telephone-number-validator/.dockerignore
@@ -0,0 +1,6 @@
+.env
+.git
+.gitignore
+.dockerignore
+node_modules
+Dockerfile
diff --git a/apps/telephone-number-validator/index.html b/apps/telephone-number-validator/index.html
new file mode 100644
index 00000000..ce8f4055
--- /dev/null
+++ b/apps/telephone-number-validator/index.html
@@ -0,0 +1,47 @@
+
+
+
+
+
+
+
+ Telephone Number Validator
+
+
+
+
+
+
+ Is This a Valid Phone Number in the United States?
+
+
+
+
+
diff --git a/apps/telephone-number-validator/package-lock.json b/apps/telephone-number-validator/package-lock.json
new file mode 100644
index 00000000..766e1463
--- /dev/null
+++ b/apps/telephone-number-validator/package-lock.json
@@ -0,0 +1,516 @@
+{
+ "name": "telephone-number-validator",
+ "version": "0.0.1",
+ "lockfileVersion": 3,
+ "requires": true,
+ "packages": {
+ "": {
+ "name": "telephone-number-validator",
+ "version": "0.0.1",
+ "dependencies": {
+ "dotenv": "16.0.0",
+ "express": "4.17.3"
+ }
+ },
+ "node_modules/accepts": {
+ "version": "1.3.8",
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+ "dependencies": {
+ "mime-types": "~2.1.34",
+ "negotiator": "0.6.3"
+ },
+ "engines": {
+ "node": ">= 0.6"
+ }
+ },
+ "node_modules/array-flatten": {
+ "version": "1.1.1",
+ "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
+ "integrity": "sha512-PCVAQswWemu6UdxsDFFX/+gVeYqKAod3D3UVm91jHwynguOwAvYPhx8nNlM++NqRcK6CxxpUafjmhIdKiHibqg=="
+ },
+ "node_modules/body-parser": {
+ "version": "1.19.2",
+ "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.19.2.tgz",
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+ "dependencies": {
+ "bytes": "3.1.2",
+ "content-type": "~1.0.4",
+ "debug": "2.6.9",
+ "depd": "~1.1.2",
+ "http-errors": "1.8.1",
+ "iconv-lite": "0.4.24",
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+ "qs": "6.9.7",
+ "raw-body": "2.4.3",
+ "type-is": "~1.6.18"
+ },
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+ }
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+ "engines": {
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+ "url": "https://github.com/sponsors/feross"
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+ "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
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+}
diff --git a/apps/telephone-number-validator/package.json b/apps/telephone-number-validator/package.json
new file mode 100644
index 00000000..b4bf1ac2
--- /dev/null
+++ b/apps/telephone-number-validator/package.json
@@ -0,0 +1,13 @@
+{
+ "name": "telephone-number-validator",
+ "version": "0.0.1",
+ "description": "JavaScript Algorithms and Data Structures project for freeCodeCamp",
+ "main": "server.js",
+ "scripts": {
+ "start": "node server.js"
+ },
+ "dependencies": {
+ "dotenv": "16.0.0",
+ "express": "4.17.3"
+ }
+}
diff --git a/apps/telephone-number-validator/public/script.js b/apps/telephone-number-validator/public/script.js
new file mode 100644
index 00000000..e859dfa3
--- /dev/null
+++ b/apps/telephone-number-validator/public/script.js
@@ -0,0 +1,46 @@
+const userInput = document.getElementById('user-input');
+const checkBtn = document.getElementById('check-btn');
+const clearBtn = document.getElementById('clear-btn');
+const resultDiv = document.getElementById('results-div');
+
+const checkValidNumber = input => {
+ if (input === '') {
+ alert('Please provide a phone number');
+ return;
+ }
+ const countryCode = '^(1\\s?)?';
+ const areaCode = '(\\([0-9]{3}\\)|[0-9]{3})';
+ const spacesDashes = '[\\s\\-]?';
+ const phoneNumber = '[0-9]{3}[\\s\\-]?[0-9]{4}$';
+ const phoneRegex = new RegExp(
+ `${countryCode}${areaCode}${spacesDashes}${phoneNumber}`
+ );
+
+ const pTag = document.createElement('p');
+ pTag.className = 'results-text';
+ phoneRegex.test(input)
+ ? (pTag.style.color = '#00471b')
+ : (pTag.style.color = '#4d3800');
+ pTag.appendChild(
+ document.createTextNode(
+ `${phoneRegex.test(input) ? 'Valid' : 'Invalid'} U.S. number: ${input}`
+ )
+ );
+ resultDiv.appendChild(pTag);
+};
+
+checkBtn.addEventListener('click', () => {
+ checkValidNumber(userInput.value);
+ userInput.value = '';
+});
+
+userInput.addEventListener('keydown', e => {
+ if (e.key === 'Enter') {
+ checkValidNumber(userInput.value);
+ userInput.value = '';
+ }
+});
+
+clearBtn.addEventListener('click', () => {
+ resultDiv.textContent = '';
+});
diff --git a/apps/telephone-number-validator/public/styles.css b/apps/telephone-number-validator/public/styles.css
new file mode 100644
index 00000000..3214ddc0
--- /dev/null
+++ b/apps/telephone-number-validator/public/styles.css
@@ -0,0 +1,112 @@
+* {
+ margin: 0;
+ padding: 0;
+ box-sizing: border-box;
+}
+
+:root {
+ --phone-colors: #dfdfe2;
+ --center-text: center;
+ --gray-00: #fff;
+}
+
+body {
+ background-color: #3b3b4f;
+ font-family: Verdana, Geneva, Tahoma, sans-serif;
+ color: var(--phone-colors);
+}
+
+main {
+ display: flex;
+ flex-wrap: wrap;
+ align-items: center;
+ justify-content: center;
+ flex-direction: column;
+ padding: 40px 10px;
+}
+
+.freecodecamp-logo {
+ width: 100%;
+ height: 30px;
+ margin-bottom: 20px;
+}
+
+h1 {
+ color: white;
+ width: 100%;
+ max-width: 480px;
+ margin: 15px 0;
+ text-align: var(--center-text);
+}
+
+.phone-container {
+ position: relative;
+ background-color: var(--phone-colors);
+ width: 250px;
+ height: 460px;
+ margin: 30px auto;
+ border-radius: 15px;
+ border: 15px solid black;
+}
+
+.phone-background {
+ background-color: black;
+ width: 100%;
+ height: 25px;
+}
+
+.phone-camera {
+ background-color: var(--phone-colors);
+ width: 10px;
+ height: 10px;
+ border-radius: 50%;
+ margin: auto;
+}
+
+#user-input {
+ display: block;
+ margin: 10px auto;
+ padding: 5px;
+ border: 1px solid black;
+ border-radius: 10px;
+ text-align: var(--center-text);
+ width: 90%;
+ height: 42px;
+ font-size: 16px;
+}
+
+.phone-footer {
+ background-color: black;
+ width: 100%;
+ height: 40px;
+ position: absolute;
+ bottom: 0;
+ display: flex;
+ align-items: center;
+ justify-content: center;
+}
+
+.btn-styles {
+ cursor: pointer;
+ width: 100px;
+ margin: 10px;
+ color: #0a0a23;
+ font-size: 18px;
+ background-color: #ffffff;
+ background-image: linear-gradient(#ffffff, #928d86);
+ border-color: #ffffff;
+ border-width: 3px;
+}
+
+#results-div {
+ overflow-y: auto;
+ height: 290px;
+}
+
+.results-text {
+ font-size: 1.2rem;
+ padding: 5px;
+ color: black;
+ text-align: var(--center-text);
+ margin: 10px 0;
+}
diff --git a/apps/telephone-number-validator/sample.env b/apps/telephone-number-validator/sample.env
new file mode 100644
index 00000000..2fc80e3a
--- /dev/null
+++ b/apps/telephone-number-validator/sample.env
@@ -0,0 +1 @@
+PORT=3000
diff --git a/apps/telephone-number-validator/server.js b/apps/telephone-number-validator/server.js
new file mode 100644
index 00000000..a3edd40c
--- /dev/null
+++ b/apps/telephone-number-validator/server.js
@@ -0,0 +1,15 @@
+require('dotenv').config();
+const express = require('express');
+const app = express();
+
+app.use(express.static('public'));
+
+app.get('', (req, res) => {
+ res.sendFile(`${process.cwd()}/index.html`);
+});
+
+const portNum = process.env.PORT || 3000;
+
+app.listen(portNum, () => {
+ console.log(`Listening on port ${portNum}`);
+});
diff --git a/docker-compose.yml b/docker-compose.yml
index 03cf4fcd..b72027b0 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -91,6 +91,17 @@ services:
ports:
- 50030:3000
+ cash-register:
+ container_name: cash-register
+ restart: unless-stopped
+ networks:
+ - proxy
+ build:
+ context: ./apps/cash-register
+ dockerfile: ../../shared.Dockerfile
+ ports:
+ - 50330:3000
+
chart-the-stock-market:
container_name: chart-the-stock-market
restart: unless-stopped
@@ -268,6 +279,17 @@ services:
ports:
- 50100:3000
+ palindrome-checker:
+ container_name: palindrome-checker
+ restart: unless-stopped
+ networks:
+ - proxy
+ build:
+ context: ./apps/palindrome-checker
+ dockerfile: ../../shared.Dockerfile
+ ports:
+ - 50300:3000
+
personal-library:
container_name: personal-library
restart: unless-stopped
@@ -294,6 +316,17 @@ services:
ports:
- 50260:3000
+ pokemon-search-app:
+ container_name: pokemon-search-app
+ restart: unless-stopped
+ networks:
+ - proxy
+ build:
+ context: ./apps/pokemon-search-app
+ dockerfile: ../../shared.Dockerfile
+ ports:
+ - 50340:3000
+
product-landing-page:
container_name: product-landing-page
restart: unless-stopped
@@ -327,6 +360,17 @@ services:
ports:
- 50110:3000
+ roman-numeral-converter:
+ container_name: roman-numeral-converter
+ restart: unless-stopped
+ networks:
+ - proxy
+ build:
+ context: ./apps/roman-numeral-converter
+ dockerfile: ../../shared.Dockerfile
+ ports:
+ - 50310:3000
+
scatterplot-graph:
container_name: scatterplot-graph
restart: unless-stopped
@@ -411,6 +455,17 @@ services:
ports:
- 50250:3000
+ telephone-number-validator:
+ container_name: telephone-number-validator
+ restart: unless-stopped
+ networks:
+ - proxy
+ build:
+ context: ./apps/telephone-number-validator
+ dockerfile: ../../shared.Dockerfile
+ ports:
+ - 50320:3000
+
timestamp-microservice:
container_name: timestamp-microservice
restart: unless-stopped
diff --git a/port-map.json b/port-map.json
index fc1b5370..508cea37 100644
--- a/port-map.json
+++ b/port-map.json
@@ -4,6 +4,7 @@
"anonymous-message-board": 50020,
"bar-chart": 50025,
"build-a-pinterest-clone": 50030,
+ "cash-register": 50330,
"chart-the-stock-market": 50035,
"choropleth-map": 50037,
"drum-machine": 50038,
@@ -17,20 +18,24 @@
"manage-a-book-trading-club": 50200,
"markdown-previewer": 50205,
"metric-imperial-converter": 50090,
+ "p2p-video-chat-application": 50100,
+ "palindrome-checker": 50300,
"personal-library": 50210,
"personal-portfolio": 50260,
+ "pokemon-search-app": 50340,
"product-landing-page": 50240,
- "p2p-video-chat-application": 50100,
"random-quote-machine": 50105,
"request-header-parser-microservice": 50110,
+ "roman-numeral-converter": 50310,
"scatterplot-graph": 50115,
"secure-real-time-multiplayer-game": 50120,
- "stock-price-checker-proxy": 50130,
"stock-price-checker": 50140,
+ "stock-price-checker-proxy": 50130,
"sudoku-solver": 50150,
"survey-form": 50280,
- "timestamp-microservice": 50160,
"technical-documentation-page": 50250,
+ "telephone-number-validator": 50320,
+ "timestamp-microservice": 50160,
"treemap-diagram": 50255,
"tribute-page": 50270,
"twitch-proxy": 50170,