NativeScript/nativescript-core/ui/styling/font.d.ts

export class Font {
	public static default: Font;

	public fontFamily: string;
	public fontStyle: FontStyle;
	public fontWeight: FontWeight;
	public fontSize: number;

	public isBold: boolean;
	public isItalic: boolean;

	constructor(
		family: string,
		size: number,
		style: FontStyle,
		weight: FontWeight
	);

	public getAndroidTypeface(): any /* android.graphics.Typeface */;
	public getUIFont(defaultFont: any /* UIFont */): any /* UIFont */;

	public withFontFamily(family: string): Font;
	public withFontStyle(style: string): Font;
	public withFontWeight(weight: string): Font;
	public withFontSize(size: number): Font;

	public static equals(value1: Font, value2: Font): boolean;
}

export type FontStyle = "normal" | "italic";
export namespace FontStyle {
	export const NORMAL: "normal";
	export const ITALIC: "italic";
	export function isValid(value: any): boolean;
	export function parse(value: string): FontStyle;
}

export type FontWeight =
	| "100"
	| "200"
	| "300"
	| "normal"
	| "400"
	| "500"
	| "600"
	| "bold"
	| "700"
	| "800"
	| "900";
export namespace FontWeight {
	export const THIN: "100";
	export const EXTRA_LIGHT: "200";
	export const LIGHT: "300";
	export const NORMAL: "normal";
	export const MEDIUM: "500";
	export const SEMI_BOLD: "600";
	export const BOLD: "bold";
	export const EXTRA_BOLD: "800";
	export const BLACK: "900";
	export function isValid(value: any): boolean;
	export function parse(value: string): FontWeight;
}

export interface ParsedFont {
	fontStyle?: FontStyle;
	fontVariant?: string;
	fontWeight?: FontWeight;
	lineHeight?: string;
	fontSize?: string;
	fontFamily?: string;
}

export function parseFont(fontValue: string): ParsedFont;

export module ios {
	export function registerFont(fontFile: string);
}