Update

constants/TextStyles.ts

@@ -0,0 +1,39 @@
+/**
+ * Below are text styles used in the app, primarily in the ThemedText component.
+ */
+
+import {TextStyle} from 'react-native';
+
+export const textStyles = function (
+  scale: number,
+  linkColor: string,
+): {
+  [key: string]: TextStyle & {fontSize: number; lineHeight: number};
+} {
+  return {
+    default: {
+      fontSize: 16 * scale,
+      lineHeight: 24 * scale,
+    },
+    defaultSemiBold: {
+      fontSize: 16 * scale,
+      lineHeight: 24 * scale,
+      fontWeight: '600',
+    },
+    title: {
+      fontSize: 32 * scale,
+      fontWeight: 'bold',
+      lineHeight: 32 * scale,
+    },
+    subtitle: {
+      fontSize: 20 * scale,
+      lineHeight: 20 * scale,
+      fontWeight: 'bold',
+    },
+    link: {
+      lineHeight: 30 * scale,
+      fontSize: 16 * scale,
+      color: linkColor,
+    },
+  };
+};