react-native-ios-utilities/src/types/NativeTypes/UIFont.ts

Utilities for react-native + iOS and wrappers for using swift together with fabric/paper + JSI

export type UIFontTextStyle = 
  | 'body'
  | 'callout'
  | 'caption1'
  | 'caption2'
  | 'footnote'
  | 'headline'
  | 'subheadline'
  | 'largeTitle'
  | 'extraLargeTitle'
  | 'extraLargeTitle2'
  | 'title1'
  | 'title2'
  | 'title3';

/*
export type UIFontNativeInit = {
  name: string;
  size: number;
} | {
  // not supported
  descriptor: never; // UIFontDescriptor
  size: number
} | {
  systemFont: number;
  size: number;
} | {
  systemFont: number;
} | {
  mode: 'systemFont';
  size: number;
};

export type UIFontNativeModifiers = {
  modifier: 'withSize';
  size: number;
};
*/