JS return value of a nested .then

Asked Oct 29 '19 at 23:51

Active Oct 30 '19 at 00:07

Viewed 119 times

I know this has been asked but specifically here I'm dealing with a nested .then. I have the following function:

function somethingCreate() {
  getMainThemeId();
  .then(result => alert(result))
}

function getMainThemeId() {
  shopify.theme
    .list()
    .then(themes => {
      let theme = themes.find(o => o.role === 'main');
      return theme;
    })
    .catch((err) => console.error(err.response.body));
}

The method somethingCreate is going to contain more methods so I need the result of getMainThemeId. shopify.theme is an api module I'm working with and it properly returns the results for theme. The problem is I'm stuck on returning that to the method somethingCreate(). Any idea how I can accomplish this?

edited Oct 30 '19 at 00:07

asked Oct 29 '19 at 23:51

FabricioG

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You forgot to return the Promise from `getMainThemeId` – CertainPerformance Oct 29 '19 at 23:52
I added return theme in there and it still doesn't work for me. The recommended answer has an explanation about how it's "magic" . @CertainPerformance – FabricioG Oct 30 '19 at 00:08
2

It should work - you just need to make sure `getMainThemeId` returns the Promise chain, which you're not doing now – CertainPerformance Oct 30 '19 at 00:08
Works now. Got it figured out. – FabricioG Oct 30 '19 at 00:21

JS return value of a nested .then

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