Merge pull request #13901 from MoonE/text-types

Make Text options typesafe

src/ol/format/KML.js

@@ -937,6 +937,7 @@ class KML extends XMLFeature {
  */
 function createNameStyleFunction(foundStyle, name) {
   const textOffset = [0, 0];
+  /** @type {CanvasTextAlign} */
   let textAlign = 'start';
   const imageStyle = foundStyle.getImage();
   if (imageStyle) {