File size: 3,320 Bytes
4fea3ee | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 | const fs = require('fs'); const path = require('path'); const crypto = require('crypto');
let globalCounter = 0; var randomStuff = 'hello world'; const weirdArray = [1, 2, 3, 'four', { five: 6 }];
function doSomethingWeird(input) {
if (!input) return null;
let result = input.toString().split('').reverse().join('');
for (let i = 0; i < result.length; i++) {
if (result[i] === 'a') { result = result.replace('a', '@'); }
}
return result;
} class MessyClass {
constructor(name) {
this.name = name || 'unnamed';
this.data = new Map();
this.cache = {};
this.isActive = true;
}
addData(key, value) {
this.data.set(key, value);
this.cache[key] = Date.now();
}
processData() {
let output = [];
this.data.forEach((v, k) => {
if (typeof v === 'string') {
output.push(k.toUpperCase() + ':' + v.toLowerCase());
} else if (typeof v === 'number') {
output.push(k + '=' + (v * 2));
} else {
output.push(k + '->' + JSON.stringify(v));
}
});
return output;
}
async fetchSomething(url) {
return new Promise((resolve) => {
setTimeout(() => {
resolve({ status: 200, data: `Mock data for ${url}` });
}, Math.random() * 1000);
});
}
calculateStuff(a, b, c) {
if (a > b) {
return a * c + (b / 2);
} else if (b > c) {
return b * a - (c * 0.5);
}
return Math.sqrt(a * b * c);
}
}
const messyInstance = new MessyClass('test');
messyInstance.addData('foo', 'bar');
messyInstance.addData('number', 42);
messyInstance.addData('object', { x: 1, y: 2 });
function recursiveFunction(n) {
if (n <= 0) return 1;
if (n === 1) return 1;
return n * recursiveFunction(n - 1);
}
async function runComplexOperation() {
const results = [];
for (let i = 0; i < 5; i++) {
const data = await messyInstance.fetchSomething(`/api/endpoint${i}`);
results.push({
id: i,
hash: crypto.createHash('md5').update(data.data).digest('hex'),
processed: doSomethingWeird(data.data)
});
}
return results;
}
const arrowFunction = (x, y) => x * y + Math.random();
const asyncArrowFunction = async (param) => {
const wait = () => new Promise(r => setTimeout(r, 100));
await wait();
return param.toString().repeat(3);
};
function* generatorFunction() {
let index = 0;
while (index < 10) {
yield index * index;
index++;
}
}
class ExtendedMessyClass extends MessyClass {
constructor(name, config) {
super(name); this.config = config || {}; this.modules = [];
} addModule(module) { this.modules.push({ name: module.name || 'anonymous', init: module.init || function () { }, active: true }); } executeModules() {
return this.modules.map(m => {
try { return m.init(); } catch (e) {
return { error: e.message };
}
});
}
} module.exports = { MessyClass, ExtendedMessyClass, doSomethingWeird, recursiveFunction, runComplexOperation }; |