Gadget-Bibliography.js

(function ($, mw) {
  "use strict";
  var allowedPages = ["Publications"];
  var nYearButtons = 5;
  if (!allowedPages.includes(mw.config.get("wgPageName"))) return;
  if (window.BibLoaded) return;
  window.BibLoaded = true;

  console.log("[Bibliography] 0.0.1");
  var scriptLoaded = 0;
  var mwConfig = mw.config.get(["wgUserName", "wgServer", "wgArticlePath"]);

  var isAnon = mwConfig.wgUserName === null;
  var articlePath = mwConfig.wgServer + mwConfig.wgArticlePath;

  function download(filename, text) {
    var el = document.createElement("a");
    el.setAttribute(
      "href",
      "data:text/plain;charset=utf-8," + encodeURIComponent(text)
    );
    el.setAttribute("download", filename);

    el.style.display = "none";
    document.body.appendChild(el);

    el.click();

    document.body.removeChild(el);
  }

  function run() {
    var Cite = window.require("citation-js");
    $(".bibliography:not(.test)").each(function (i, e) {
      var yearGroup = {};
      var dataTable = undefined;
      var rawBib = $(e).find(".bibliography-data")[0].textContent;
      var bib = Cite(rawBib);
      var data = [];
      var pageTitleIter = rawBib.matchAll(/^_pageName = \{(.+)\}\s*,?\s*$/gm);

      bib.data.forEach(function (entry) {
        var linkTarget = new URL(
          articlePath.replace("$1", pageTitleIter.next().value[1])
        );
        var linkEle = $("<a>").text(entry.id);
        linkEle.attr("href", linkTarget.toString());

        var editLink = $("<a>").html(
          '<span class="material-icons-outlined">edit</span>'
        );
        linkTarget.searchParams.append("action", "formedit");
        editLink.attr("href", linkTarget.toString());
        editLink.attr("target", "_blank");

        entry.render = Cite(entry).format("bibliography", {
          format: "html",
          template: "apa",
          lang: "en-US",
        });
        entry.pageTitle = editLink[0].outerHTML + linkEle[0].outerHTML;
        entry.year = entry.issued["date-parts"][0][0] || 1970;
        yearGroup[parseInt(entry.year)] = false;

        data.push(entry);
      });

      var tb = $("<table></table>")[0];
      e.replaceWith(tb);
      tb = $(tb);
      tb.append($("<thead>"));
      tb.append($("<tbody>"));
      tb.addClass("display");

      // Generate buttons
      var orderedYears = Object.keys(yearGroup).sort(function (x, y) {
        if (x < y) return 1;
        if (x > y) return -1;
        return 0;
      });
      function draw(dt) {
        dt.column("year:name").search(
          orderedYears
            .filter(function (e) {
              return yearGroup[e];
            })
            .join("|"),
          true,
          false
        );
        dt.draw();
      }
      var buttons = orderedYears.slice(0, nYearButtons).map(function (year) {
        return {
          text: year,
          action: function (e, dt, node, config) {
            yearGroup[year] = !yearGroup[year];
            node.toggleClass("active", yearGroup[year]);
            draw(dt);
          },
        };
      });
      if (orderedYears.length > nYearButtons) {
        var statusRest = false;
        var restYears = orderedYears.slice(nYearButtons);

        buttons.push({
          text: "Rest",
          action: function (e, dt, node, config) {
            statusRest = !statusRest;
            restYears.forEach(function (el) {
              yearGroup[el] = !yearGroup[el];
            });
            node.toggleClass("active", statusRest);
            draw(dt);
          },
        });
      }
      // export BibTeX button
      buttons.push({
        text: "Export BibTeX",
        action: function (e, dt, node, config) {
          var text = Cite(dt.rows({ page: "current" }).data().toArray()).format(
            "bibtex"
          );
          download("bibtex.bib", text);
        },
        titleAttr: "export",
      });

      var options = {
        data: data,
        columns: [
          {
            data: "render",
            title: "APA",
            render: function (data, type, row) {
              // If display or filter data is requested, format the date
              if (type === "sort") return row.year;
              return data;
            },
          },
          {
            name: "year",
            data: "year",
            visible: false,
          },
        ],
        paging: false,
        order: [[0, "desc"]],
        rowGroup: {
          dataSrc: "year",
        },
        dom: "fBrtip",
        buttons: buttons,
      };
      if (!isAnon) {
        options.columns.unshift({
          data: "pageTitle",
          title: "In-site Page",
        });
        options.order[0][0] += 1;
        options.order.push([0, "asc"]);
      }
      dataTable = tb.dataTable(options);
      dataTable = dataTable.DataTable();
      console.log(dataTable);
    });
  }

  function loadScripts(scripts, callback) {
    function onLoaded() {
      scriptLoaded++;
      if (scriptLoaded === scripts.length)
        mw.hook("wikipage.content").add(callback);
    }
    scripts.forEach(function (s) {
      mw.loader.getScript(s).then(onLoaded);
    });
  }

  loadScripts(
    [
      "https://cdn.jsdelivr.net/npm/citation-js@0.5.1",
      "https://cdn.datatables.net/v/dt/dt-1.11.1/b-2.0.0/rg-1.1.3/datatables.min.js",
    ],
    run
  );
  mw.loader.load(
    "https://cdn.datatables.net/v/dt/dt-1.11.1/b-2.0.0/rg-1.1.3/datatables.min.css",
    "text/css"
  );
})(jQuery, mediaWiki);