92 lines
2.6 KiB
TypeScript
92 lines
2.6 KiB
TypeScript
import { app } from 'electron';
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import * as fsp from 'fs/promises';
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import * as path from 'path';
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export interface SavedThemeFileDescriptor {
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fileName: string;
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modifiedAt: number;
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path: string;
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}
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const SAVED_THEME_FILE_NAME_PATTERN = /^[A-Za-z0-9][A-Za-z0-9._-]*\.json$/;
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function resolveSavedThemesPath(): string {
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return path.join(app.getPath('userData'), 'themes');
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}
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async function ensureSavedThemesPath(): Promise<string> {
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const themesPath = resolveSavedThemesPath();
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await fsp.mkdir(themesPath, { recursive: true });
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return themesPath;
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}
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function assertSavedThemeFileName(fileName: string): string {
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const normalized = typeof fileName === 'string'
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? fileName.trim()
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: '';
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if (!SAVED_THEME_FILE_NAME_PATTERN.test(normalized) || normalized.includes('..')) {
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throw new Error('Invalid saved theme file name.');
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}
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return normalized;
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}
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async function resolveSavedThemeFilePath(fileName: string): Promise<string> {
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const themesPath = await ensureSavedThemesPath();
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return path.join(themesPath, assertSavedThemeFileName(fileName));
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}
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export async function getSavedThemesPath(): Promise<string> {
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return await ensureSavedThemesPath();
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}
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export async function listSavedThemes(): Promise<SavedThemeFileDescriptor[]> {
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const themesPath = await ensureSavedThemesPath();
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const entries = await fsp.readdir(themesPath, { withFileTypes: true });
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const files = entries.filter((entry) => entry.isFile() && entry.name.toLowerCase().endsWith('.json'));
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const descriptors = await Promise.all(files.map(async (entry) => {
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const filePath = path.join(themesPath, entry.name);
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const stats = await fsp.stat(filePath);
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return {
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fileName: entry.name,
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modifiedAt: Math.round(stats.mtimeMs),
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path: filePath
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} satisfies SavedThemeFileDescriptor;
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}));
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return descriptors.sort((left, right) => right.modifiedAt - left.modifiedAt || left.fileName.localeCompare(right.fileName));
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}
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export async function readSavedTheme(fileName: string): Promise<string> {
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const filePath = await resolveSavedThemeFilePath(fileName);
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return await fsp.readFile(filePath, 'utf8');
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}
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export async function writeSavedTheme(fileName: string, text: string): Promise<boolean> {
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const filePath = await resolveSavedThemeFilePath(fileName);
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await fsp.writeFile(filePath, text, 'utf8');
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return true;
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}
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export async function deleteSavedTheme(fileName: string): Promise<boolean> {
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const filePath = await resolveSavedThemeFilePath(fileName);
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try {
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await fsp.unlink(filePath);
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return true;
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} catch (error) {
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if ((error as { code?: string }).code === 'ENOENT') {
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return true;
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}
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throw error;
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}
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} |