astro/dist/assets/fonts/config.js

Astro is a modern site builder with web best practices, performance, and DX front-of-mind.

import * as z from "zod/v4";
import { FONT_TYPES } from "./constants.js";
export const WeightSchema = z.union([z.string(), z.number()]);
export const StyleSchema = z.enum([
	"normal",
	"italic",
	"oblique"
]);
export const DisplaySchema = z.enum([
	"auto",
	"block",
	"swap",
	"fallback",
	"optional"
]);
const FormatSchema = z.enum(FONT_TYPES);
const _FontProviderSchema = z.strictObject({
	name: z.string(),
	config: z.record(z.string(), z.any()).optional(),
	init: z.custom((v) => typeof v === "function").optional(),
	resolveFont: z.custom((v) => typeof v === "function"),
	listFonts: z.custom((v) => typeof v === "function").optional(),
	getFontProperties: z.custom((v) => typeof v === "function").optional()
});
// Using z.object directly makes zod remap the input, preventing
// the usage of class instances. Instead, we check if it matches
// the right shape and pass the original
export const FontProviderSchema = z.custom((v) => {
	return _FontProviderSchema.safeParse(v).success;
}, "Invalid FontProvider object");
export const FontFamilySchema = z.object({
	name: z.string(),
	cssVariable: z.string(),
	provider: FontProviderSchema,
	weights: z.tuple([WeightSchema], WeightSchema).optional(),
	styles: z.tuple([StyleSchema], StyleSchema).optional(),
	subsets: z.tuple([z.string()], z.string()).optional(),
	formats: z.tuple([FormatSchema], FormatSchema).optional(),
	fallbacks: z.array(z.string()).optional(),
	optimizedFallbacks: z.boolean().optional(),
	display: DisplaySchema.optional(),
	stretch: z.string().optional(),
	featureSettings: z.string().optional(),
	variationSettings: z.string().optional(),
	unicodeRange: z.tuple([z.string()], z.string()).optional(),
	options: z.record(z.string(), z.any()).optional()
}).strict();