CustomPromise

Custom implementation of JavaScript Promise with:

• .then(), .catch(), .finally()
• MyPromise.all()
• MyPromise.race()

Installation

npm install custompromise

## Usage
const MyPromise = require('custompromise');

// Example 1: Basic usage
const p = new MyPromise((resolve, reject) => {
  setTimeout(() => resolve(42), 1000);
});

p.then(value => console.log("Resolved:", value))
 .catch(err => console.error("Error:", err))
 .finally(() => console.log("Done!"));

// Example 2: MyPromise.all
MyPromise.all([
  new MyPromise(res => setTimeout(() => res(10), 500)),
  new MyPromise(res => setTimeout(() => res(20), 1000)),
  new MyPromise(res => setTimeout(() => res(30), 1500))
]).then(values => console.log("All resolved:", values));

// Example 3: MyPromise.race
MyPromise.race([
  new MyPromise(res => setTimeout(() => res("First!"), 500)),
  new MyPromise(res => setTimeout(() => res("Second!"), 1000))
]).then(value => console.log("Race winner:", value));