Instructions for how to create a promise that will only resolve when the variable isLoaded becomes true

Within my document object, there is a property called isLoaded which indicates if information about a project has been loaded. Upon opening a project, the code loads the document and sets isLoaded to true.

I am looking for a way to create a promise that will wait until isLoaded becomes true before triggering some additional code (ex: X). How can I achieve this using JavaScript?

Answer №1

To successfully accomplish this task, you can utilize a combination of a JavaScript Promise and either a setTimeout function or an event-driven method.

For instance:

function checkForCompletion(dataStore) {
  return new Promise((resolve) => {
    const verifyCompletion = () => {
      if (dataStore.isComplete === true) {
        resolve();
      } else {
        setTimeout(verifyCompletion, 100);
      }
    };

    verifyCompletion();
  });
}

checkForCompletion(yourDataStoreObject)
.then(() => {
  console.log('Task is now complete. Proceeding to next step...');
})
.catch((error) => {
  console.error('Error while waiting for completion:', error);
});

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