misskey/packages/frontend/src/utility/device-kind.ts

25 lines
670 B
TypeScript

/*
* SPDX-FileCopyrightText: syuilo and misskey-project
* SPDX-License-Identifier: AGPL-3.0-only
*/
export type DeviceKind = 'smartphone' | 'tablet' | 'desktop';
const ua = navigator.userAgent.toLowerCase();
const isTablet = /ipad/.test(ua) || (/mobile|iphone|android/.test(ua) && window.innerWidth > 700);
const isSmartphone = !isTablet && /mobile|iphone|android/.test(ua);
export const DEFAULT_DEVICE_KIND: DeviceKind = (
isSmartphone
? 'smartphone'
: isTablet
? 'tablet'
: 'desktop'
);
export let deviceKind: DeviceKind = DEFAULT_DEVICE_KIND;
export function updateDeviceKind(kind: DeviceKind | null) {
deviceKind = kind ?? DEFAULT_DEVICE_KIND;
}