SillyTavern-1.13.0/src/endpoints/themes.js

import path from 'node:path';
import fs from 'node:fs';

import express from 'express';
import sanitize from 'sanitize-filename';
import { sync as writeFileAtomicSync } from 'write-file-atomic';

export const router = express.Router();

router.post('/save', (request, response) => {
    if (!request.body || !request.body.name) {
        return response.sendStatus(400);
    }

    const filename = path.join(request.user.directories.themes, sanitize(request.body.name) + '.json');
    writeFileAtomicSync(filename, JSON.stringify(request.body, null, 4), 'utf8');

    return response.sendStatus(200);
});

router.post('/delete', function (request, response) {
    if (!request.body || !request.body.name) {
        return response.sendStatus(400);
    }

    try {
        const filename = path.join(request.user.directories.themes, sanitize(request.body.name) + '.json');
        if (!fs.existsSync(filename)) {
            console.error('Theme file not found:', filename);
            return response.sendStatus(404);
        }
        fs.unlinkSync(filename);
        return response.sendStatus(200);
    } catch (error) {
        console.error(error);
        return response.sendStatus(500);
    }
});