props-changed

Shallow equals compare if specified properties of two objects are different.

Usage

propsChanged(propNames, objectA, objectB);

Parameters

• propNames array of properties to check
• objectA and objectB objects to compare

Return value

true if any of the values at each property name are different, else false.

Examples

import propsChanged from 'props-changed';

propsChanged(['x'], { x: 1, y: 1 }, { x: 1, y: 2 });
// returns false

propsChanged(['x', 'y'], { x: 1, y: 1 }, { x: 1, y: 2 });
// returns true

Also works well with React components

import propsChanged from 'props-changed';
import React from 'react';

class MyComponent extends React.Component {
  …
  shouldComponentUpdate(nextProps) {
    return propsChanged(['x', 'y'], this.props, nextProps);
  }
  …
};