project: testing

testing/.eslintrc.js

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+module.exports = {
+  env: {
+    browser: true,
+    es2021: true,
+    node: true,
+  },
+  extends: ["eslint:recommended", "prettier"],
+  parserOptions: {
+    ecmaVersion: "latest",
+    sourceType: "module",
+  },
+};

testing/.gitignore

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+# ---> Node
+# 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.*
+

testing/.prettierrc

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+{
+  "tabWidth": 4,
+  "singleQuote": true
+}

testing/README.md

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+# webpack-template
+
+Vanilla template for webpack
+
+sets up common utilities needed for vanilla JS/HTML/CSS development

testing/babel.config.js

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+module.exports = {
+    presets: [['@babel/preset-env', { targets: { node: 'current' } }]],
+};

testing/package.json

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+{
+    "name": "webpack-template",
+    "version": "1.0.0",
+    "description": "Vanilla template for webpack",
+    "main": "index.js",
+    "scripts": {
+        "test": "jest",
+        "start": "webpack serve --open --config webpack.dev.js",
+        "build": "webpack --config webpack.prod.js"
+    },
+    "keywords": [],
+    "author": "",
+    "license": "ISC",
+    "devDependencies": {
+        "@babel/core": "^7.23.9",
+        "@babel/preset-env": "^7.23.9",
+        "babel-jest": "^29.7.0",
+        "css-loader": "^6.8.1",
+        "eslint": "^8.56.0",
+        "eslint-config-prettier": "^9.1.0",
+        "html-webpack-plugin": "^5.6.0",
+        "jest": "^29.7.0",
+        "style-loader": "^3.3.3",
+        "webpack": "^5.89.0",
+        "webpack-cli": "^5.1.4",
+        "webpack-dev-server": "^4.15.1",
+        "webpack-merge": "^5.10.0"
+    }
+}

testing/src/index.js

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+import { calculator } from './odinTests';
+
+console.log(calculator(1, 2, '+'));

testing/src/odinTests.js

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+const capitalize = (thing) => thing.charAt(0).toUpperCase() + thing.slice(1);
+const reverseString = (thing) => thing.split('').reverse().join('');
+const calculator = (a, b, operation) => {
+    switch (operation) {
+        case '+':
+            return a + b;
+        case '-':
+            return a - b;
+        case '*':
+            return a * b;
+        case '/':
+            if (b === 0) {
+                return 'error';
+            }
+            return a / b;
+    }
+};
+
+const ceaserCipher = (thing) => {
+    let cipher = thing.split('').map((item) => {
+        let charCode = item.charCodeAt(0);
+        return String.fromCharCode(charCode + 3);
+    });
+
+    return cipher.join('');
+};
+
+const analyzeArray = (arr) => {
+    let min = Math.min(...arr);
+    let max = Math.max(...arr);
+    let length = arr.length;
+    let avg = arr.reduce((sum, num) => sum + num, 0) / length;
+
+    return {
+        average: avg,
+        min: min,
+        max: max,
+        length: length,
+    };
+};
+
+export { analyzeArray, ceaserCipher, calculator, capitalize, reverseString };

testing/src/odinTests.test.js

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+import {
+    analyzeArray,
+    ceaserCipher,
+    calculator,
+    reverseString,
+    capitalize,
+} from './odinTests';
+
+test('make sure mike = Mike', () => {
+    expect(capitalize('mike')).toBe('Mike');
+});
+
+test('make sure mike = ekim', () => {
+    expect(reverseString('mike')).toBe('ekim');
+});
+
+test('Make sure calculator works', () => {
+    expect(calculator(1, 2, '+')).toBe(3);
+    expect(calculator(1, 2, '-')).toBe(-1);
+    expect(calculator(1, 2, '*')).toBe(2);
+    expect(calculator(1, 0, '/')).toBe('error');
+    expect(calculator(1, 2, '/')).toBe(0.5);
+    expect(ceaserCipher('bob')).toBe('ere');
+    expect(analyzeArray([1, 2, 3, 4])).toEqual({
+        average: 2.5,
+        min: 1,
+        max: 4,
+        length: 4,
+    });
+});

testing/src/style.css

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+input {
+    outline: none;
+}
+input:user-invalid {
+    outline: none;
+    border: 3px solid red;
+}
+
+input:valid {
+    outline: none;
+    border: 3px solid green;
+}
+
+span {
+    margin-left: 10px;
+    color: red;
+}

testing/src/sum.js

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+function sum(a, b) {
+    return a + b;
+}
+
+module.exports = sum;

testing/src/sum.test.js

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+const sum = require('./sum');
+
+test('adds 1 + 2 to equal 3', () => {
+    expect(sum(1, 2)).toBe(3);
+});

testing/webpack.common.js

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+const path = require('path');
+const HtmlWebpackPlugin = require('html-webpack-plugin');
+
+module.exports = {
+    entry: {
+        index: './src/index.js',
+    },
+    plugins: [
+        new HtmlWebpackPlugin({
+            title: 'Testing',
+        }),
+    ],
+    output: {
+        filename: 'bundle.js',
+        path: path.resolve(__dirname, 'dist'),
+        clean: true,
+    },
+    module: {
+        rules: [
+            {
+                test: /\.css$/i,
+                use: ['style-loader', 'css-loader'],
+            },
+            {
+                test: /\.(png|svg|jpg|jpeg|gif)$/i,
+                type: 'asset/resource',
+            },
+            {
+                test: /\.(woff|woff2|eot|ttf|otf)$/i,
+                type: 'asset/resource',
+            },
+        ],
+    },
+};

testing/webpack.dev.js

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+const { merge } = require("webpack-merge");
+const common = require("./webpack.common.js");
+
+module.exports = merge(common, {
+  mode: "development",
+  devtool: "inline-source-map",
+  devServer: {
+    static: "./dist",
+  },
+});

testing/webpack.prod.js

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+const { merge } = require("webpack-merge");
+const common = require("./webpack.common.js");
+
+module.exports = merge(common, {
+  mode: "production",
+});