SillyTavern/src/endpoints/moving-ui.js

const path = require('path');
const express = require('express');
const sanitize = require('sanitize-filename');
const writeFileAtomicSync = require('write-file-atomic').sync;

const { jsonParser } = require('../express-common');

const router = express.Router();

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

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

    return response.sendStatus(200);
});

module.exports = { router };