// Basic operational transform for text sync
function applyTransform(doc, op) {
if (op.type === 'insert') {
return doc.slice(0, op.pos) + op.text + doc.slice(op.pos);
}
// ... handle delete, etc
}
io.on('connection', (socket) => {
socket.on('edit', (op) => {
// Transform against concurrent ops
const transformed = transform(op, pendingOps);
applyToDocument(transformed);
socket.broadcast.emit('edit', transformed);
});
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