Added missing baseline property to TextOptions (#37458)

types/pdfkit/index.d.ts

@@ -2,6 +2,7 @@
 // Project: http://pdfkit.org
 // Definitions by: Eric Hillah <https://github.com/erichillah>
 //                 Erik Berreßem <https://github.com/she11sh0cked>
+//                 Jeroen Vervaeke <https://github.com/jeroenvervaeke/>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 
 /// <reference types="node" />
@@ -146,6 +147,8 @@ declare namespace PDFKit.Mixins {
         /** the alignment of the text (center, justify, left, right) */
         //TODO check this
         align?: 'center' | 'justify' | 'left' | 'right' | string;
+        /** the vertical alignment of the text with respect to its insertion point */
+        baseline?: number | "svg-middle" | "middle" | "svg-central" | "bottom" | "ideographic" | "alphabetic" | "mathematical" | "hanging" | "top"
     }
 
     interface PDFText<TDocument> {

types/pdfkit/pdfkit-tests.ts

@@ -162,11 +162,15 @@ doc.image(
     },
     {
         scale: 0.25,
-    }
+    },
 ).text('Scale', 320, 265);
 
 doc.text('Scale', { align: 'justify' });
 
+doc.text('Baseline - string literal', { baseline: 'alphabetic' });
+
+doc.text('Baseline - numeric', { baseline: 10 });
+
 doc.goTo(0, 0, 0, 0, 'lorem');
 
 doc.image('path/to/image.png', {