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promise-resolve-deep
Advanced tools
Resolve a promise or value and all of its embedded promises (key values, elements of array, including nested)
Resolve a promise or value and all of its embedded promises (key values, elements of array, including nested)
npm install --save promise-resolve-deep
Use it like Proimse.resolve
and it will recursively/deep travel and resolve all nested promises in arrays and objects. Also any object or an array that any promise resolves to, will be deeply resolved too.
// Promise can be either native or bluebird
require('promise-resolve-deep')(Promise);
// Sample value
let promise = {
foo: Promise.resolve({
bar: [Promise.resolve('foo'),Promise.resolve({
xx: Promise.resolve().then(()=>'ala')
})]
})
};
Promise.resolveDeep(promise).then(val => {
// val equals to
// { foo: {bar: ['foo', {xx: 'ala'}]}}
});
// app is express application
// User and Book are bookshelf.js models
// needs: require('promise-resolve-deep')(Promise); to install the .resolveDeep method
app.get('/resources', wrap(() => {
return {
users: User.fetchAll().then(users => users.map(user => user.attributes)),
books: Book.fetchAll().then(books => books.map(book => book.attributes))
};
}));
// utilizing Promise.resolveDeep
function wrap(func) {
return (req, res) => {
Promise.resolve().then(() => func())
.then(Promise.resolveDeep).then(data => {
res.json(data);
}).catch(err => res.status(500));
}
}
If you want to write such declarative Promise-based APIs then you may also like this: https://github.com/virtkick/express-router-api
Damian Kaczmarek rush@virtkick.com
MIT
FAQs
Resolve a promise or value and all of its embedded promises (key values, elements of array, including nested)
The npm package promise-resolve-deep receives a total of 180 weekly downloads. As such, promise-resolve-deep popularity was classified as not popular.
We found that promise-resolve-deep demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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