0.15.0 • Published 2 years ago
unreson v0.15.0
unreson -- undo/redo-able object wrapper
unreson
provides the StateObject
class that manages the state for a provided JSON-safe object. Changes to the object, no matter how deep, may be undone or redone. The state of the object can also be made temporarily immutable if the need arises.
Usage
let unreson = require('unreson')
let myObject = new unreson.StateObject({ a: 0, b: 1, c: {}, d: [0,1,2,3,4] })
console.log(myObject.state) // { a: 0, b: 1, c: {}, d: [ 0, 1, 2, 3, 4 ] }
myObject.state.c = 2
console.log(myObject.state) // { a: 0, b: 1, c: 2, d: [ 0, 1, 2, 3, 4 ] }
myObject.undo()
console.log(myObject.state) // { a: 0, b: 1, c: {}, d: [ 0, 1, 2, 3, 4 ] }
myObject.redo()
console.log(myObject.state) // { a: 0, b: 1, c: 2, d: [ 0, 1, 2, 3, 4 ] }
myObject.freeze()
console.log(myObject.frozen) // true
myObject.state.c = 3
myObject.thaw()
console.log(myObject.frozen) // false
console.log(myObject.state) // { a: 0, b: 1, c: 2, d: [ 0, 1, 2, 3, 4 ] }
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