@mieweb/wikigdrive/esm/src/containers/server/loadRunningInstance.js

Google Drive to MarkDown synchronization

import process from 'node:process';
import os from 'node:os';
import fs from 'node:fs';
import path from 'node:path';
export async function loadRunningInstance() {
    const tmpdir = os.tmpdir();
    const fullPath = path.join(tmpdir, 'wikigdrive.running');
    if (fs.existsSync(fullPath)) {
        const content = fs.readFileSync(fullPath).toString();
        try {
            const json = JSON.parse(content);
            if (json.pid === process.pid) {
                return null;
            }
            if (json.pid > 0) {
                try {
                    // kill -0 seems not to work on alpine for some reason
                    if (!fs.existsSync('/proc/' + json.pid)) {
                        return null;
                    }
                }
                catch (err) {
                    return null;
                }
            }
            return json;
        }
        catch (err) {
            return null;
        }
    }
}
export async function saveRunningInstance(port) {
    const tmpdir = os.tmpdir();
    const fullPath = path.join(tmpdir, 'wikigdrive.running');
    fs.writeFileSync(fullPath, JSON.stringify({ pid: process.pid, port }), { mode: 0o604 });
}