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shadofx / webnovel.com skip video ads mobile

// ==UserScript==
// @name        webnovel.com skip video ads mobile
// @namespace    https://openuserjs.org/scripts/shadofx
// @version     4
// @run-at      document-end
// @match       http://m.webnovel.com/book/*
// @match       https://m.webnovel.com/book/*
// @license     MIT
// ==/UserScript==
// ==OpenUserJS==
// @author       shadofx
// ==/OpenUserJS==

//------------------------------------------------------------------------------
// This script is released to the public domain. No attribution is required.
//------------------------------------------------------------------------------

// How frequently this script should check for new chapters.
//
// The amount is in milliseconds.
const INTERVAL_CHAPTER_CHECK = 1000;

// When a token is not ready yet, this is how much time we should wait
// before trying again.
//
// The amount is in milliseconds.
const INTERVAL_TOKEN_CHECK = 1000;

/**
 * Check for new chapters and try to remove the adwall from them.
 */
function main() {
    Array.from(
        // Locked chapters.
        document.querySelectorAll('.j_chapterWrapper')
    ).filter((item)=>item.querySelector('.cha-txt').classList.contains('cha-txt-hide'))
        .forEach((lock) => {
        // Element with the chapter content.
        const contentElement = lock.querySelector('.cha-txt');

        // Remove this class so this chapter won't be processed the next time
        // `main` is called.
        contentElement.classList.remove('cha-txt-hide');

        // Remove the video.
        const v = lock.querySelector('.cha-watch-ad');
        if(v) v.remove();

        contentElement.style.opacity = '0.1';

        // Get the ID for the series ("book").
        //
        // Some chapters have the `data-bid` property, but not all of them.
        // That's why it's better to just get this from the URL.
        const bid = window.location.href.split('/book/')[1].split('/')[0];

        // Get the ID for the chapter.
        const cid = lock.dataset.chapterid;

        // Both ID are required.
        if (!bid || !cid) {
            return;
        }

        return fetch(
            `https://m.webnovel.com/ajax/chapter/GetChapterContentToken?bookId=${bid}&chapterId=${cid}`
        )
            .then(resp => resp.json())
            .then(data => data.data.token)
            .then(token => encodeURIComponent(token))
            .then(token => new Promise((resolve) => {
            // The raw body of the chapter.
            //
            // It will be plain text, so we must manually build the HTML for it.
            let content = '';

            // Try to get the content of the chapter, and fulfill the promise once
            // we have it.
            //
            // This function will retry until it succeeds.
            function tick() {
                const url = `https://m.webnovel.com/ajax/chapter/GetChapterContentByToken?token=${token}`;

                fetch(url)
                    .then(resp => resp.json())
                    .then((data) => {
                    content = data.data.content.trim();

                    if (content) {
                        resolve(content);
                    } else {
                        setTimeout(tick, INTERVAL_TOKEN_CHECK);
                    }
                })
                    .catch((err) => {
                    console.error(err.stack);

                    tick();
                });
            }

            tick();
        }))
            .then((content) => {
            // Build the HTML for the chapter content.
            //
            // For now we only split on line breaks and wrap each piece
            // with "<p></p>" tags.
            const chapterHtml = content
            .split('\n')
            .map(p => p.trim())
            .filter(p => !!p)
            .map(p => `<p>${p}</p>`)
            .join('');

            // Update the chapter content and turn opacity back to 100%.
            contentElement.innerHTML = chapterHtml;
            contentElement.style.opacity = '1';
        })
            .catch((err) => {
            console.error(err.stack);
        });
    });
}

// Since Qidian may load new chapters without refreshing the page, we must
// continuously check for new chapters in the page.
setInterval(main, INTERVAL_CHAPTER_CHECK);