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Item Labels

Show items labels in Wikidata Query Service web results view in the navigator user language without calling the Label Service in the sparql code

  1. // ==UserScript==
  2. // @name         Item Labels
  3. // @name:fr      Libellé des éléments
  4. // @namespace    http://tampermonkey.net/
  5. // @version      0.1.2.3
  6. // @description  Show items labels in Wikidata Query Service web results view in the navigator user language without calling the Label Service in the sparql code
  7. // @description:fr  Montre les libellés en anglais des éléments à coté de leur identifiant Q dans les résultats de recherche sans avoir à faire appel au service de libellé dans la requête, pour le Wikidata Query service.
  8. // @author       TomT0m
  9. // @match        https://query.wikidata.org/
  10. // @match        https://commons-query.wikimedia.org/
  11. // @grant        none
  12. // @license      Creative Commons CC0 1.0 Universal
  13. // ==/UserScript==
  14.  
  15. (function($) {
  16.     'use strict';
  17.  
  18.     const base_url="http://www.wikidata.org/"
  19.     const entity_prefix = base_url + "entity/"
  20.     
  21.     let lang="en"
  22.  
  23.     if (navigator.language) {
  24.         lang = navigator.language.split(/-/)[0];
  25.     }
  26.  
  27.  
  28.     function gen_wdapi_queryurl(ids){
  29.         let api = "https://www.wikidata.org/w/api.php?"
  30.  
  31.         var searchParams = new URLSearchParams("");
  32.         searchParams.set("action","wbgetentities")
  33.         searchParams.set("sites","wikidatawiki")
  34.         searchParams.set("ids",ids)
  35.         searchParams.set("props", "labels")
  36.  
  37.         searchParams.set("languages", lang)
  38.         searchParams.set("format","json")
  39.         searchParams.set("origin","*")
  40.         return api + searchParams.toString()
  41.     }
  42.  
  43.     function listifyReqJson(json) {
  44.         return Object.entries(json.entities)
  45.             .filter(([k, v] , i) => v.labels[lang] ) // keep only entities with an actual label in language
  46.             .map( ([k, v] , i) => [k, v.labels])
  47.     }
  48.  
  49.     function render_label(label){
  50.         return $("<span/>", {
  51.             "lang":label.language
  52.         }).append(document.createTextNode(label.value));
  53.     }
  54.     const lclass = "itemLabels-labellized";
  55.     const queried_class = "itemLabels-queried";
  56.  
  57.     function LabellizeQitems () {
  58.  
  59.         let links = $( '#query-result' ).find( `a.item-link:not(.${queried_class})` )
  60.  
  61.         if (!links.length){return}
  62.         if (links.attr("checked")) {return}
  63.  
  64.         links.addClass(queried_class)
  65.  
  66.         let ids = links.map(
  67.             (o, v) => { if(/\/entity\/(.*)$/.exec(v.href)){
  68.                 return /\/entity\/(.*)$/.exec(v.href)[1]}
  69.                        else {return "K" }
  70.                       }
  71.         ).filter((k,v) => v[0]=="Q")
  72.         .toArray()
  73.  
  74.         let plop = ""
  75.  
  76.         while( ids.length > 0){
  77.             fetch(gen_wdapi_queryurl(ids.splice(0,50).join("|")))
  78.                 .then(
  79.                 response => response.json()
  80.             ).then(json => listifyReqJson(json).forEach(
  81.                 ([k, labels]) => {
  82.                     let link=$(`.item-link[href='${entity_prefix}${k}']:not(.${lclass})`)
  83.                     link.append(" – ").append(render_label(labels[lang]))
  84.                     link.addClass(lclass)
  85.                 }
  86.             )
  87.                   )
  88.         }
  89.  
  90.     }
  91.     setInterval(LabellizeQitems, 3000);
  92. })(window.$)