Swift-OnChange

Swift-OnChange is inpired on the on-change project

Installation

Use the package manager NPM to install Swift-OnChange.

npm i swift-onchange

Usage

onChange takes 3 arguments

• (required) Callback function
• (optional) Original object, array or primitive value
• (optional) Create a setState property (1 for true)

import onChange from "swift-onchange";

const originalObject = { a: 1 };

const objectWatch = onChange(
  e => console.log(`The value was changed to ${e}`),
  originalObject,
  1
);

console.log("objectWatch:", objectWatch);
// objectWatch: { a: 1, SetState: [Function] }

objectWatch.a = 2;
// The value was changed to 2

objectWatch.setState({
  b: 34,
  c: 9,
  d: {
    anotherChain: 4
  }
});
// The value was changed to
// {"a":2,"b":34,"c":9,"d":{"anotherChain":4}}

console.log("Chained changes watcher and SetState: ", objectWatch.d);
//Chained changes watcher and SetState:
// { anotherChain: 4, SetState: [Function] }

Contributing

Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.

License

MIT