ECMAScript Cookbook

How to do it...

1. Open your command-line application and navigate to your workspace.
2.  Create a new folder named 3-08-simulating-finally.
3. Copy or create an index.html that loads and runs a main function from main.js.
4. Create a main.js file with a main function that logs out messages for before and after promise creation:

export function main() { 
 
  console.log('Before promise created'); 
 
  console.log('After promise created'); 
} 

5. Create a function named addBoosters that throws an error if its first parameter is false:

function addBoosters(shouldFail) { 
  if (shouldFail) { 
    throw new Error('Unable to add Boosters'); 
  } 
 
  return { 
    boosters: [{ 
      count: 2, 
      fuelType: 'solid' 
    }, { 
      count: 1, 
      fuelType: 'liquid' 
    }] 
  }; 
} 

6. Use Promise.resolve to pass a Boolean ...