1. async loadMissingFonts () {
2.     let fontNames: FontName[];
3.     if (FigmaUtils.isMixedValue(this.baseNode.fontName)) {
4.         fontNames = Array.from(this.baseNode.characters).reduce(
5.             (p, _, i) => {
6.                 // as FontName - for single character the is no possibility to have multiple font families set
7.                 const characterFontName = this.baseNode.getRangeFontName(i, i+1) as FontName;
8.                 const fontAlreadyInArray = p.find(
9.                     fontName => fontName.family === characterFontName.family &&
10.                     fontName.style === characterFontName.style
11.                 );
12.                 if (!fontAlreadyInArray) {
13.                     p.push(characterFontName);
14.                 }
15.                 return p;
16.             },
17.             [] as FontName[]
18.         );
19.     } else {
20.         fontNames = [this.baseNode.fontName];
21.     }
22.  
23.     const loadFontResults = await Promise.all(fontNames.map(
24.         fontName => figma.loadFontAsync(fontName)
25.             .catch(e => {
26.                 figma.notify(e);
27.                 return false;
28.             })
29.     ));
30.    
31.     return !loadFontResults.includes(false); // return false if any font loading have failed
32. }