foundryvtt-shadows-over-sol/module/sos-utility.js

export class SoSUtility {
  
  /* -------------------------------------------- */  
  static async preloadHandlebarsTemplates() {
    
    const templatePaths = [
      'systems/foundryvtt-shadows-over-sol/templates/actor-sheet.html',
      'systems/foundryvtt-shadows-over-sol/templates/editor-notes-gm.html',
      'systems/foundryvtt-shadows-over-sol/templates/stat-option-list.html',
      'systems/foundryvtt-shadows-over-sol/templates/stat-name-list.html',

      'systems/foundryvtt-shadows-over-sol/templates/item-sheet.html',
      'systems/foundryvtt-shadows-over-sol/templates/item-geneline-sheet.html',
      'systems/foundryvtt-shadows-over-sol/templates/item-subculture-sheet.html',

      'systems/foundryvtt-shadows-over-sol/templates/dialog-flip.html'
    ]
    return loadTemplates(templatePaths);    
  }

  /* -------------------------------------------- */
  static fillRange (start, end) {
    return Array(end - start + 1).fill().map((item, index) => start + index);
  }

  /* -------------------------------------------- */
  static async loadCompendiumNames(compendium) {
    const pack = game.packs.get(compendium);
    let competences;
    await pack.getIndex().then(index => competences = index);
    return competences;
  }
  
  /* -------------------------------------------- */
  static async loadCompendium(compendium, filter = item => true) {
    let compendiumItems = await SoSUtility.loadCompendiumNames(compendium);

    const pack = game.packs.get(compendium);
    let list = [];
    for (let compendiumItem of compendiumItems) {
      await pack.getEntity(compendiumItem._id).then(it => {
        const item = it.data;
        if (filter(item)) {
          list.push(item);
        }
      });
    };
    return list;
  }
  
}