forked from akai/readest
Huang Xin
52 lines
1.6 KiB
TypeScript
52 lines
1.6 KiB
TypeScript
import { md5 } from 'js-md5';
|
|
|
|
export const uniqueId = () => Math.random().toString(36).substring(2, 9);
|
|
|
|
export const getContentMd5 = (content: unknown) => md5(JSON.stringify(content));
|
|
|
|
export const makeSafeFilename = (filename: string, replacement = '_') => {
|
|
// Windows restricted characters + control characters and reserved names
|
|
const unsafeCharacters = /[<>:"\/\\|?*\x00-\x1F]/g;
|
|
const reservedFilenames = /^(con|prn|aux|nul|com[1-9]|lpt[1-9])$/i;
|
|
const maxFilenameLength = 255;
|
|
|
|
let safeName = filename.replace(unsafeCharacters, replacement);
|
|
|
|
if (reservedFilenames.test(safeName)) {
|
|
safeName = `${safeName}${replacement}`;
|
|
}
|
|
|
|
if (safeName.length > maxFilenameLength) {
|
|
safeName = safeName.substring(0, maxFilenameLength);
|
|
}
|
|
|
|
return safeName.trim();
|
|
};
|
|
|
|
export const getUserLang = () => navigator?.language.split('-')[0] || 'en';
|
|
|
|
export const getOSPlatform = () => {
|
|
const userAgent = navigator.userAgent.toLowerCase();
|
|
|
|
if (userAgent.includes('macintosh') || userAgent.includes('mac os x')) return 'macos';
|
|
if (userAgent.includes('windows nt')) return 'windows';
|
|
if (userAgent.includes('linux')) return 'linux';
|
|
if (/iphone|ipad|ipod/.test(userAgent)) return 'ios';
|
|
if (userAgent.includes('android')) return 'android';
|
|
|
|
return '';
|
|
};
|
|
|
|
export const isValidURL = (url: string, allowedSchemes: string[] = ['http', 'https']) => {
|
|
try {
|
|
const { protocol } = new URL(url);
|
|
return allowedSchemes.some((scheme) => `${scheme}:` === protocol);
|
|
} catch {
|
|
return false;
|
|
}
|
|
};
|
|
|
|
export const stubTranslation = (key: string) => {
|
|
return key;
|
|
};
|