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A simple undo / redo history module for Javascript.
Based on the Undo prototype in Mikko Mononen's Stylii
Copyright (c) 2014 Moniker http://studiomoniker.com
The recommended way to install Undies is through Bower for browsers, and through NPM for Node.js:
npm install undies
With Bower installed, simply type this command in your project folder:
bower install undies
Upon execution, you will find a undies
folder inside the project's bower_components
folder.
// Your state:
var text = '';
var number;
var undies = new Undies({
// The maximum amount of undos:
maxUndos: 8,
// Called whenever a snapshot is made in order to serialize your data:
serialize: function() {
// Serialize the state:
return {
number: number,
text: '' + text
};
},
// Whenever undies.undo() or undies.redo() is called,
// the restore function is called with the restored
// data:
restore: function(data) {
// Restore the state:
text = '' + data.text;
number = data.number;
}
});
console.log('Adding a to text and changing number to 1');
text += 'a';
number = 1;
undies.snapshot();
console.log('Adding b to text and changing number to 3');
text += 'b';
number = 3;
undies.snapshot();
console.log('Adding c to text and changing number to 5');
text += 'c';
number = 5;
undies.snapshot();
console.log('Text now contains:', text); // abc
console.log('Number now contains:', number); // 5
console.log('Undo once');
undies.undo();
console.log('Text now contains:', text); // ab
console.log('Number now contains:', number); // 3
console.log('Undo once');
undies.undo();
console.log('Text now contains:', text); // a
console.log('Number now contains:', number); // 1
console.log('Redo once');
undies.redo();
console.log('Text now contains:', text); // ab
console.log('Number now contains:', number); // 3
Distributed under the MIT license.
FAQs
A simple undo / redo history module for Javascript.
The npm package undies receives a total of 0 weekly downloads. As such, undies popularity was classified as not popular.
We found that undies demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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