hopefully two simple questions

function add (a, b) {
    return a + b;
};

function add (a, b) {
    return a + b;
};

file:///c:/Users/user/OneDrive/Desktop/i%20hate%20programming/javascript%20(pain)/index.js:1
const fs = require('node:fs');
           ^

ReferenceError: require is not defined in ES module scope, you can use import instead
This file is being treated as an ES module because it has a '.js' file extension and 'c:\Users\user\OneDrive\Desktop\i hate programming\javascript (pain)\package.json' contains "type": "module". To treat it as a CommonJS script, rename it to use the '.cjs' file extension.
    at file:///c:/Users/user/OneDrive/Desktop/i%20hate%20programming/javascript%20(pain)/index.js:1:12
    at ModuleJob.run (node:internal/modules/esm/module_job:218:25)
    at async ModuleLoader.import (node:internal/modules/esm/loader:329:24)
    at async loadESM (node:internal/process/esm_loader:34:7)
    at async handleMainPromise (node:internal/modules/run_main:113:12)

Node.js v20.10.0

file:///c:/Users/user/OneDrive/Desktop/i%20hate%20programming/javascript%20(pain)/index.js:1
const fs = require('node:fs');
           ^

ReferenceError: require is not defined in ES module scope, you can use import instead
This file is being treated as an ES module because it has a '.js' file extension and 'c:\Users\user\OneDrive\Desktop\i hate programming\javascript (pain)\package.json' contains "type": "module". To treat it as a CommonJS script, rename it to use the '.cjs' file extension.
    at file:///c:/Users/user/OneDrive/Desktop/i%20hate%20programming/javascript%20(pain)/index.js:1:12
    at ModuleJob.run (node:internal/modules/esm/module_job:218:25)
    at async ModuleLoader.import (node:internal/modules/esm/loader:329:24)
    at async loadESM (node:internal/process/esm_loader:34:7)
    at async handleMainPromise (node:internal/modules/run_main:113:12)

Node.js v20.10.0

import { fs } from 'node:fs';
         ^^
SyntaxError: The requested module 'node:fs' does not provide an export named 'fs'
    at ModuleJob._instantiate (node:internal/modules/esm/module_job:132:21)
    at async ModuleJob.run (node:internal/modules/esm/module_job:214:5)
    at async ModuleLoader.import (node:internal/modules/esm/loader:329:24)
    at async loadESM (node:internal/process/esm_loader:34:7)
    at async handleMainPromise (node:internal/modules/run_main:113:12)

Node.js v20.10.0

import { fs } from 'node:fs';
         ^^
SyntaxError: The requested module 'node:fs' does not provide an export named 'fs'
    at ModuleJob._instantiate (node:internal/modules/esm/module_job:132:21)
    at async ModuleJob.run (node:internal/modules/esm/module_job:214:5)
    at async ModuleLoader.import (node:internal/modules/esm/loader:329:24)
    at async loadESM (node:internal/process/esm_loader:34:7)
    at async handleMainPromise (node:internal/modules/run_main:113:12)

Node.js v20.10.0

import * as fs from 'fs';
import * as path from 'path';

import { readFileSync } from "fs";
import { Client, Collection, Events, GatewayIntentBits } from 'discord.js';
const token = readFileSync('./token.txt', 'utf-8');

const client = new Client({intents: [GatewayIntentBits.Guilds]});

const commands = new Collection();

const foldersPath = path.join(__dirname, 'commands');
const commandFolders = fs.readdirSync(foldersPath);

for (const folder of commandFolders) {
    const commandsPath = path.join(foldersPath, folder);
    const commandFiles = fs.readdirSync(commands.Path).filter(file => file.endsWith('.js'));

    for (const file of commandFiles) {
        const filePath  = path.join(commandsPath, file);
        const command = require(filePath);

        if ('data' in command && 'execute' in command) {
            client.commands.set(command.data.name, command);
        } else {
            console.log(`[WARNING] The command at ${filePath} is missing a required "data" or "execute" property.`);
        }
    }
}

client.once(Events.ClientReady, readyClient => {
    console.log(`Ready! Logged in as ${readyClient.user.tag}`)
})

client.login(token);

import * as fs from 'fs';
import * as path from 'path';

import { readFileSync } from "fs";
import { Client, Collection, Events, GatewayIntentBits } from 'discord.js';
const token = readFileSync('./token.txt', 'utf-8');

const client = new Client({intents: [GatewayIntentBits.Guilds]});

const commands = new Collection();

const foldersPath = path.join(__dirname, 'commands');
const commandFolders = fs.readdirSync(foldersPath);

for (const folder of commandFolders) {
    const commandsPath = path.join(foldersPath, folder);
    const commandFiles = fs.readdirSync(commands.Path).filter(file => file.endsWith('.js'));

    for (const file of commandFiles) {
        const filePath  = path.join(commandsPath, file);
        const command = require(filePath);

        if ('data' in command && 'execute' in command) {
            client.commands.set(command.data.name, command);
        } else {
            console.log(`[WARNING] The command at ${filePath} is missing a required "data" or "execute" property.`);
        }
    }
}

client.once(Events.ClientReady, readyClient => {
    console.log(`Ready! Logged in as ${readyClient.user.tag}`)
})

client.login(token);

    const cw = new ConsoleWarning()
    const ci = new ConsoleInfo()
    const commands = new Collection<string, any>()
    const apps: any[] = []
    const subDirs = readdirSync('./Commands')
    for (const dir of subDirs) {
        const files = readdirSync(`./Commands/${dir}`)
        for (const file of files) {
            const module = await import(`./Commands/${dir}/${file}`)
            const command = module.default
            if (!command || !command.data || !command.data.name || !command.data.description) {
                cw.show(`Befehl in Commands/${dir}/${file} ist ungültig`)
                continue
            }

            commands.set(command.data.name, command)
            apps.push(command)
            ci.show(`Befehl "/${command.data.name}" geladen`)
        }
    }

    const cw = new ConsoleWarning()
    const ci = new ConsoleInfo()
    const commands = new Collection<string, any>()
    const apps: any[] = []
    const subDirs = readdirSync('./Commands')
    for (const dir of subDirs) {
        const files = readdirSync(`./Commands/${dir}`)
        for (const file of files) {
            const module = await import(`./Commands/${dir}/${file}`)
            const command = module.default
            if (!command || !command.data || !command.data.name || !command.data.description) {
                cw.show(`Befehl in Commands/${dir}/${file} ist ungültig`)
                continue
            }

            commands.set(command.data.name, command)
            apps.push(command)
            ci.show(`Befehl "/${command.data.name}" geladen`)
        }
    }

as unknown as ____

as unknown as ____

channel.send({ embeds: [embed], components: [row as unknown as APIActionRowComponent<APIMessageActionRowComponent>] })

channel.send({ embeds: [embed], components: [row as unknown as APIActionRowComponent<APIMessageActionRowComponent>] })

const row = new ActionRowBuilder<ButtonBuilder>().addComponents(button)
const row = new ActionRowBuilder<StringSelectMenuBuilder>().addComponents(selectMenu)
const row = new ActionRowBuilder<TextInputBuilder>().addComponents(textInput)

const row = new ActionRowBuilder<ButtonBuilder>().addComponents(button)
const row = new ActionRowBuilder<StringSelectMenuBuilder>().addComponents(selectMenu)
const row = new ActionRowBuilder<TextInputBuilder>().addComponents(textInput)

interface Replace {
    [key: string]: string | ((word: string) => string);
}

interface Replace {
    [key: string]: string | ((word: string) => string);
}