4chan-XZ/src/entries/contentScript/image.ts

import $ from "jquery"
import { Config } from "../options/Conf"
// This function initializes the image hovering functionality
export function initImageHovering(): void {
    // If image hovering is disabled, return early
    if (Config.main.ImageHover === false) { return }
    // Find all thumbnail images on the page
    const thumbnails = $("a.fileThumb")

    // Attach hover events to each thumbnail image
    thumbnails.each(function () {
        const thumbnail = $(this)
        const imageUrl = thumbnail.attr("href") as string

        // Create a new image element to be displayed on hover
        const hoverImage = $("<img>")
            .attr("src", imageUrl)
            .css({
                position: "absolute",
                display: "none",
                border: "1px solid #000",
            })
            .appendTo("body")

        // Show the image on mouseover and hide it on mouseout
        thumbnail.on("mouseover", () => {
            hoverImage.show()
        })
        thumbnail.on("mouseout", () => {
            hoverImage.hide()
        })

        // Update the hover image position based on the mouse cursor
        thumbnail.on("mousemove", (event) => {
            hoverImage.css({
                left: event.pageX + 10 + "px",
                top: event.pageY + 10 + "px",
            })
        })
    })
}