Observe an object, check when it's change.

npm install spyo --save

<script src="node_modules/spyo/dist/spyo.min.js"></script>

<script src="https://unpkg.com/spyo/dist/spyo.min.js"></script>

const Spyo = require('spyo');

const myObject = {
    firstName: 'Mike',
    lastName: 'Red'
};

const mySpy = new Spyo(myObject);

myObject.firstName = 'John';

mySpy.onChange((different) => {
    console.log('is different:', different);
});

const mySpy = new Spyo(() => {
    return Math.random();
});

mySpy.onChange((different) => {
    console.log('is different:', different);
});

Kind: global class

• Spyo
  • new Spyo(obj, [opts])
  • instance
    • .refresh(obj)
    • .check() ⇒ Spyo
    • .watch() ⇒ Spyo
    • .unwatch([reset]) ⇒ Spyo
    • .isWatching() ⇒ boolean
    • .onChange(callback) ⇒ Spyo
    • .isChanged() ⇒ boolean
    • .reset() ⇒ Spyo
  • static
    • .isEqual(a, b, exclude) ⇒ boolean
    • .isIterable(obj) ⇒ boolean
    • .isObject(obj) ⇒ boolean
    • .isArray(obj) ⇒ boolean

Create instance

Refresh data source object

Kind: instance method of Spyo

Check if it's different and call onChange callback

Kind: instance method of Spyo

Start watching

Kind: instance method of Spyo

Stop watching

Kind: instance method of Spyo

Detect if check is active

Kind: instance method of Spyo

Fired when object is isChanged

Kind: instance method of Spyo

Check if object is changed

Kind: instance method of Spyo

Reset changes detected

Kind: instance method of Spyo

Check if two object are equals (deep check)

Kind: static method of Spyo

Check if is an array or an plain object

Kind: static method of Spyo

Check for plain object

Kind: static method of Spyo

Check for array

Kind: static method of Spyo

You can view the changelog here

Spyo is open-sourced software licensed under the MIT license

Fabio Ricali