Improved error about missing font.

Author: dlemstra

src/magick.ts

@@ -87,7 +87,7 @@ export class Magick {
         const fileName = `/fonts/${name}`;
         const stats = ImageMagick._api.FS.analyzePath(fileName);
         if (!stats.exists) {
-            throw `Unable to find a font with the name '${name}', add it with Magick.addFont.`
+            throw `Unable to find a font with the name '${name}', register it with the addFont method of the Magick class.`
         }
 
         return fileName;

tests/settings/magick-settings/font.spec.ts

@@ -13,6 +13,6 @@ describe('MagickSettings#font', () => {
 
         expect(() => {
             ImageMagick.read('label:magick-wasm', settings, () => { /* never reached */ });
-        }).toThrowError('Unable to find a font with the name \'missing\', add it with Magick.addFont.');
+        }).toThrowError('Unable to find a font with the name \'missing\', register it with the addFont method of the Magick class.');
     });
 });