so-saved-questions

README.md

https://meta.stackexchange.com/a/392005/1336881

script.js

(async () => {
    const results = new Map();

    async function fetchPage(url) {
        const response = await fetch(url, {
            credentials: "include"
        });

        if (!response.ok) {
            throw new Error(`HTTP ${response.status}: ${url}`);
        }

        return new DOMParser().parseFromString(
            await response.text(),
            "text/html"
        );
    }

    function extract(doc) {
        doc.querySelectorAll(".s-post-summary").forEach(post => {
            const id = post.dataset.postId;

            const title = post.querySelector(
                ".s-post-summary--content-title a"
            )?.textContent.trim() || "";

            const link = post.querySelector(
                ".s-post-summary--content-title a"
            )?.href || "";

            const category = post.querySelector(
                ".js-saved-in"
            )?.textContent.trim() || "";

            if (id && link) {
                results.set(id, {
                    id,
                    title,
                    category,
                    link
                });
            }
        });
    }

    function getNextUrl(doc) {
        const next = [...doc.querySelectorAll("a")].find(
            a => a.textContent.trim() === "Next"
        );

        return next?.href || null;
    }

    let url = location.href;
    let page = 1;

    while (url) {
        console.log(`Fetching page ${page}...`);

        const doc = await fetchPage(url);
        extract(doc);

        console.log(`Collected ${results.size} saves so far`);

        url = getNextUrl(doc);
        page++;

        if (url) {
            await new Promise(resolve => setTimeout(resolve, 500));
        }
    }

    const output = [...results.values()];

    // Make the complete result available globally.
    window.stackoverflowSaves = output;

    // Download complete JSON.
    const blob = new Blob(
        [JSON.stringify(output, null, 2)],
        { type: "application/json" }
    );

    const a = document.createElement("a");
    a.href = URL.createObjectURL(blob);
    a.download = "stackoverflow-saves.json";
    a.click();

    console.log(`DONE: ${output.length} saved posts`);
})();