timestep

A datastore with undo/redo support

install

npm install timestep

Use browserify if you want to use this in the browser

use

 
var Timestep = require('timestep');
 
var ts = new Timestep({ initial: 'data' });
 
ts.change(function(op) {
  // called whenever there is a change
  // op format: [timestamp, path, operator, value, oldvalue]
});
 
// change a value
ts.val('initial', 'data data');
 
// add a value
ts.val('another', 'test');
 
// delete a value
ts.del('another');
 
// now the interesting stuff
 
console.log(ts.val('another')) // undefined
 
ts.rewind(1); // rewind one step
 
console.log(ts.val('another')) // test
 
 

see test.js for more examples of use

license

MIT