41 lines
1.1 KiB
TypeScript
41 lines
1.1 KiB
TypeScript
// SPDX-FileCopyrightText: 2021 Johannes Loher
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//
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// SPDX-License-Identifier: MIT
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type CSSOMString = string;
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type FontFaceLoadStatus = "unloaded" | "loading" | "loaded" | "error";
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type FontFaceSetStatus = "loading" | "loaded";
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interface FontFace {
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family: CSSOMString;
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style: CSSOMString;
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weight: CSSOMString;
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stretch: CSSOMString;
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unicodeRange: CSSOMString;
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variant: CSSOMString;
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featureSettings: CSSOMString;
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variationSettings: CSSOMString;
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display: CSSOMString;
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readonly status: FontFaceLoadStatus;
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readonly loaded: Promise<FontFace>;
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load(): Promise<FontFace>;
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}
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interface FontFaceSet {
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readonly status: FontFaceSetStatus;
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readonly ready: Promise<FontFaceSet>;
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check(font: string, text?: string): boolean;
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load(font: string, text?: string): Promise<FontFace[]>;
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}
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declare global {
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interface Document {
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fonts: FontFaceSet;
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}
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}
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const fonts = ["Lora", "Wood Stamp"];
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export async function preloadFonts() {
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return Promise.all(fonts.map((font) => document.fonts.load(`1rem ${font}`)));
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}
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