User:Beao/HotTemplate.js

(function ($, mw) {
    "use strict";

    const hideTemplates = [
        "Own",
    ];

    // Check if in File namespace
    if (mw.config.get("wgCanonicalNamespace") !== "File") {
        return;
    }

    // Check if on edit page
    if (mw.config.get("wgAction") !== "view") {
        return;
    }

    const pageName = mw.config.get("wgPageName");
  
    mw.loader.using(["mediawiki.util", "mediawiki.api"]).then(function () {
        // Get wikitext of current page
        const api = new mw.Api();
        api.get({
            action: "query",
            prop: "revisions",
            rvprop: "content",
            titles: pageName
        }).done((data) => {
            // Get wikitext of current page
            const wikitext = data.query.pages[Object.keys(data.query.pages)[0]].revisions[0]["*"];

            console.log(wikitext);

            // Regex for simple templates
            const templateRegex = /\{\{([a-z ]+)\}\}/gi;

            let templates = [];

            // Check if wikitext contains any simple templates
            if (templateRegex.test(wikitext)) {
                const matches = wikitext.match(templateRegex);
                for (const match of matches) {
                    const templateName = match.replace(/\{\{|\}\}/g, "");
                    templates.push({
                        name: templateName,
                        canonicalName: templateName
                    });
                }
            }

            // Use only accepted templates
            templates = templates.filter(x => !hideTemplates.includes(x.canonicalName));

            // Stop if no templates found
            if (templates.length === 0) {
                return;
            }

            // Check for redirected templates
            api.get({
                action: "query",
                titles: templates.map(x => "Template:" + x.name).join("|")
            }).done((data) => {
                console.log(data);

                for (const page of data.query.normalized || []) {
                    const template = templates.find(x => x.name === page.from.replace("Template:", ""));
                    if (template) {
                        template.canonicalName = page.to.replace("Template:", "");
                    }
                }

                // Use only accepted templates
                templates = templates.filter(x => !hideTemplates.includes(x.canonicalName));

                // Stop if no templates found
                if (templates.length === 0) {
                    return;
                }

                // Add to category listing with Templates: label
                const container = $("<div>")
                    .css("font-size", "87% !important")
                    .css("border", "1px solid #aaa")
                    .css("padding", "0.5em")
                    .css("margin", "0.5em 0");
                container.text("Templates: ")
                const list = $("<ul>");
                for (const template of templates) {
                    const li = $("<li>");
                    li.append($("<a>").attr("href", mw.util.getUrl("Template:" + template.canonicalName)).text(template.canonicalName));
                    li.append(" ");
                    li.append($("<a>").text("(-)").click(function () {
                        api.edit(pageName, function (revision) {
                            return {
                                text: revision.content
                                    .replace(new RegExp("\{\{" + template.name + "\}\}\s*(\n?)", "gi"), "$1")
                                    .replace(/^\s*\n|\n\s*$/g, ""),
                                summary: "Removing template " + template.canonicalName + " with HotTemplate.js",
                                minor: true,
                            }
                        }).then(function () {
                            window.onbeforeunload = null;
                            window.location.reload();
                        });
                    }));
                    list.append(li);
                }
                container.append(list);
                $("#catlinks").append(container);
            });
        });
    });


  })(jQuery, mw);