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Wanikani Part-of-Speech Filter

Part-of-Speech filter for Wanikani Open Framework

  1. // ==UserScript==
  2. // @name         Wanikani Part-of-Speech Filter
  3. // @namespace    rfindley
  4. // @description  Part-of-Speech filter for Wanikani Open Framework
  5. // @version      1.0.1
  6. // @include      https://www.wanikani.com/*
  7. // @copyright    2018+, Robin Findley
  8. // @license      MIT; http://opensource.org/licenses/MIT
  9. // @run-at       document-end
  10. // @grant        none
  11. // ==/UserScript==
  12.  
  13. window.pos_filter = {};
  14.  
  15. (function(gobj) {
  16.  
  17.     /* global $, wkof */
  18.  
  19.     // Only load if Open Framework is installed.
  20.     if (!window.wkof) return
  21.  
  22.     wkof.ready('ItemData')
  23.         .then(GetPartsOfSpeech)
  24.         .then(AddFilter);
  25.  
  26.     var parts_of_speech = {};
  27.  
  28.     // Extract the list of parts of speech from all vocabulary.
  29.     function GetPartsOfSpeech()
  30.     {
  31.         return wkof.ItemData.get_items().then(function(items) {
  32.             var pos_list = {};
  33.             for (var item_idx in items) {
  34.                 var item = items[item_idx];
  35.                 if (item.object !== 'vocabulary') continue;
  36.                 var item_pos = item.data.parts_of_speech;
  37.                 for (var pos_idx in item_pos) {
  38.                     pos_list[item_pos[pos_idx]] = 1;
  39.                 }
  40.             }
  41.             pos_list = Object.keys(pos_list).sort();
  42.             for (pos_idx in pos_list) {
  43.                 var pos = pos_list[pos_idx];
  44.                 parts_of_speech[pos] = pos;
  45.             }
  46.             return parts_of_speech;
  47.         });
  48.     }
  49.  
  50.     // Add the filter to the Open Framework registry.
  51.     function AddFilter() {
  52.         wkof.ItemData.registry.sources.wk_items.filters.part_of_speech = {
  53.             type: 'multi',
  54.             label: 'Part of speech',
  55.             content: parts_of_speech,
  56.             default: [],
  57.             filter_func: function(filter_value, item){
  58.                 window.filter_value = filter_value;
  59.                 if (item.object !== 'vocabulary') return false;
  60.                 var item_pos = item.data.parts_of_speech;
  61.                 for (var pos_idx in item_pos) {
  62.                     var pos = item_pos[pos_idx];
  63.                     if (filter_value[pos]) return true;
  64.                 }
  65.                 return false;
  66.             },
  67.             hover_tip: 'Filter by part of speech (noun, i-adjective, ...)',
  68.         };
  69.  
  70.         wkof.set_state('pos_filter', 'ready');
  71.     }
  72.  
  73. })(window.pos_filter);