Prefer the style fonts

1 files changed, 18 insertions, 0 deletions

diff --git a/modern/src/map/core/mapUtil.js b/modern/src/map/core/mapUtil.js
index 087c499b..1f8d5d8a 100644
--- a/modern/src/map/core/mapUtil.js
+++ b/modern/src/map/core/mapUtil.js
@@ -89,3 +89,21 @@ export const geofenceToFeature = (theme, item) => {
 };
 
 export const geometryToArea = (geometry) => stringify(reverseCoordinates(geometry));
+
+export const findFonts = (map) => {
+  const fontSet = new Set();
+  const { layers } = map.getStyle();
+  layers?.forEach?.((layer) => {
+    layer.layout?.['text-font']?.forEach?.(fontSet.add, fontSet);
+  });
+  const availableFonts = [...fontSet];
+  const regularFont = availableFonts.find((it) => it.includes('Regular'));
+  if (regularFont) {
+    return [regularFont];
+  }
+  const anyFont = availableFonts.find(Boolean);
+  if (anyFont) {
+    return [anyFont];
+  }
+  return ['Roboto Regular'];
+};