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Amazon Keyword Modifier (Comprehensive)

Add "+" to keywords except units, symbols, and logical words on Amazon pages

// ==UserScript==
// @name         Amazon Keyword Modifier (Comprehensive)
// @namespace    http://tampermonkey.net/
// @version      1.4
// @description  Add "+" to keywords except units, symbols, and logical words on Amazon pages
// @author       Your Name
// @match        https://www.amazon.com/*
// @grant        GM_setClipboard
// ==/UserScript==

(function () {
    'use strict';

    // List of words to exclude
    const excludedWords = [
        "and", "or", "not", "but", "nor", "so", "yet", "for", "in", "on", "at", "by", "to", 
        "of", "with", "about", "as", "from", "into", "over", "under", "after", "before", 
        "around", "through", "between", "sets", "set", "pack", "pcs", "dozen", "pair", "unit",
        "kg", "g", "lb", "oz", "cm", "mm", "m", "km", "in", "ft", "ml", "l", "box", "bottle", 
        "jar", "can", "tray"
    ];

    const excludedSymbols = /^[!@#$%^&*(),.?":{}|<>+=/\\~`;'\[\]-]+$/;

    // Create a floating button
    const button = document.createElement("div");
    button.textContent = "+";
    button.style.position = "fixed";
    button.style.bottom = "20px";
    button.style.left = "20px";
    button.style.width = "50px";
    button.style.height = "50px";
    button.style.borderRadius = "50%";
    button.style.backgroundColor = "#007bff";
    button.style.color = "white";
    button.style.fontSize = "24px";
    button.style.textAlign = "center";
    button.style.lineHeight = "50px";
    button.style.cursor = "pointer";
    button.style.boxShadow = "0 4px 8px rgba(0, 0, 0, 0.2)";
    document.body.appendChild(button);

    // Create a popup
    const popup = document.createElement("div");
    popup.style.position = "fixed";
    popup.style.bottom = "80px";
    popup.style.left = "20px";
    popup.style.width = "300px";
    popup.style.padding = "20px";
    popup.style.backgroundColor = "white";
    popup.style.border = "1px solid #ccc";
    popup.style.boxShadow = "0 4px 8px rgba(0, 0, 0, 0.2)";
    popup.style.display = "none";
    popup.style.zIndex = "1000";
    document.body.appendChild(popup);

    // Add input box for keywords
    const input = document.createElement("textarea");
    input.style.width = "100%";
    input.style.height = "80px";
    input.placeholder = "Enter keywords here (one per line)...";
    popup.appendChild(input);

    // Create a button container
    const buttonContainer = document.createElement("div");
    buttonContainer.style.display = "flex";
    buttonContainer.style.justifyContent = "space-between";
    buttonContainer.style.margin = "10px 0";
    popup.appendChild(buttonContainer);

    // Add buttons
    const generateButton = document.createElement("button");
    generateButton.textContent = "Generate +";
    generateButton.style.flex = "1";
    generateButton.style.marginRight = "5px";
    buttonContainer.appendChild(generateButton);

    const copyButton = document.createElement("button");
    copyButton.textContent = "Copy";
    copyButton.style.flex = "1";
    copyButton.style.marginRight = "5px";
    buttonContainer.appendChild(copyButton);

    const clearButton = document.createElement("button");
    clearButton.textContent = "Clear";
    clearButton.style.flex = "1";
    buttonContainer.appendChild(clearButton);

    const closeButton = document.createElement("button");
    closeButton.textContent = "Close";
    closeButton.style.flex = "1";
    buttonContainer.appendChild(closeButton);

    // Add output box for generated content
    const output = document.createElement("textarea");
    output.style.width = "100%";
    output.style.height = "80px";
    output.style.marginTop = "10px";
    output.style.backgroundColor = "#f9f9f9";
    output.style.border = "1px solid #ccc";
    output.style.readOnly = true;
    output.placeholder = "Generated keywords will appear here...";
    popup.appendChild(output);

    // Show popup on button click
    button.addEventListener("click", () => {
        popup.style.display = popup.style.display === "none" ? "block" : "none";
    });

    // Generate "+" keywords
    generateButton.addEventListener("click", () => {
        const lines = input.value.split(/\n/); // Split input by line
        const processedLines = lines.map(line => {
            const words = line.trim().split(/\s+/);
            const processedWords = words.map(word => {
                if (
                    /^\d+$/.test(word) || // Exclude numbers
                    excludedWords.includes(word.toLowerCase()) || // Exclude specific words
                    excludedSymbols.test(word) // Exclude symbols
                ) {
                    return word;
                } else {
                    return `+${word}`;
                }
            });
            return processedWords.join(" ");
        }).filter(line => line.trim() !== ""); // Remove empty lines
        output.value = processedLines.join("\n"); // Join lines with newline
    });

    // Copy to clipboard
    copyButton.addEventListener("click", () => {
        if (output.value.trim() !== "") {
            GM_setClipboard(output.value);
            alert("Copied to clipboard!");
        } else {
            alert("No content to copy!");
        }
    });

    // Clear input and output
    clearButton.addEventListener("click", () => {
        input.value = "";
        output.value = "";
    });

    // Close popup
    closeButton.addEventListener("click", () => {
        popup.style.display = "none";
    });
})();