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Feature ID	Feature	Lovable	Replit	Vercel’s v0	base44	Cursor	Copilot	Claude
1.1	URL Input	Yes	Yes	Yes	Yes	Yes	Yes	Yes
1.2	PDF Upload (max 10MB, text-based)	Yes	Yes	Yes	Yes, allowed >10mb	Yes	Yes, allowed >10mb	Yes, allowed > 10mb
1.3	AI Summarization (gemini-2.5-flash)	Yes	Yes	No, there was an error	Yes	No	No (reader page not accessible)	Yes
2.1	Web Content Extraction	Yes, but also footer and header etc. was extracted.	Yes	Yes	Partially, some pages just did not load	Yes	No (reader page not accessible)	Yes
2.2	PDF Text Extraction	No, PDF reading did not work as it should, did not find text	No, failed for all tested PDFs	No, failed to extract content	Yes	No, failed for all tested PDFs	No (reader page not accessible)	No, failed for all tested PDFs
3.1	TTS Voice Selection (min 2 voices)	Yes	Yes	Y

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GitHub Copilot

Metric	Lovable	Replit	Vercel v0	base44	Cursor

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// Testable Custom Hooks
import { useEffect } from "react";

// Function that can be tested with clear API, easily unit-testable
const handleHasLoader = ({ isLoading, hasFocus, setHasLoader }) => {
  if (isLoading && !hasFocus) {
    return setHasLoader(true);
  }

  return setHasLoader(false);

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// Presentational Component
// contains only the UI and has a clear UI (props) for testing

import React from "react";
import Loader from "../Loader";

const Button = ({ onFocus, onBlur, hasLoader, label }) => (
  <button type="button" onFocus={onFocus} onBlur={onBlur}>
    {hasLoader ? <Loader /> : label}
  </button>

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import React, { useState, useEffect, useCallback } from 'react';
import Loader from '../Loader';

const Button = ({ label, isLoading }) => {
  const [hasFocus, setHasFocus] = useState<boolean>(false);
  const [hasLoader, setHasLoader] = useState<boolean>(false);
  const handleFocus = useCallback(() => {
    setHasFocus(true);
  }, []);
  const handleBlur = useCallback(() => {

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// This is an exisiting React Component written as a Function Component using JavaScript.

import React from "react";
import { string, any } from "prop-types";

const Card = ({
  headline,
  createdAt,
  children,
}) => {

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{
  "compilerOptions": {
    "target": "es5",
    "lib": [
      "dom",
      "dom.iterable",
      "esnext"
    ],
    "allowJs": true,
    "noImplicitAny": false,

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on run {input, parameters}
	
	set inputVolume to input volume of (get volume settings)
	if inputVolume = 0 then
		set inputVolume to 35
		set displayNotification to "Microphone Unmuted"
	else
		set inputVolume to 0
		set displayNotification to "Microphone Muted"
	end if

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module.exports = {
  config: {
    // default font size in pixels for all tabs
    fontSize: 12,

    // font family with optional fallbacks
    fontFamily: 'Consolas, Menlo, "DejaVu Sans Mono", "Lucida Console", monospace',

    // terminal cursor background color and opacity (hex, rgb, hsl, hsv, hwb or cmyk)
    cursorColor: 'rgba(248,28,229,0.8)',

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/**
 * Module
 */

// External Library
import _ from '../node_modules/lodash/dist/lodash.js';

// Private variables
let _eventName = '_test';