forked from waja/action-debian-package
40 lines
1.2 KiB
JavaScript
40 lines
1.2 KiB
JavaScript
|
import _curry2 from "./internal/_curry2.js";
|
||
|
|
import _assertPromise from "./internal/_assertPromise.js";
|
||
|
|
/**
|
||
|
|
* Returns the result of applying the onFailure function to the value inside
|
||
|
|
* a failed promise. This is useful for handling rejected promises
|
||
|
|
* inside function compositions.
|
||
|
|
*
|
||
|
|
* @func
|
||
|
|
* @memberOf R
|
||
|
|
* @since v0.26.0
|
||
|
|
* @category Function
|
||
|
|
* @sig (e -> b) -> (Promise e a) -> (Promise e b)
|
||
|
|
* @sig (e -> (Promise f b)) -> (Promise e a) -> (Promise f b)
|
||
|
|
* @param {Function} onFailure The function to apply. Can return a value or a promise of a value.
|
||
|
|
* @param {Promise} p
|
||
|
|
* @return {Promise} The result of calling `p.then(null, onFailure)`
|
||
|
|
* @see R.then
|
||
|
|
* @example
|
||
|
|
*
|
||
|
|
* var failedFetch = (id) => Promise.reject('bad ID');
|
||
|
|
* var useDefault = () => ({ firstName: 'Bob', lastName: 'Loblaw' })
|
||
|
|
*
|
||
|
|
* //recoverFromFailure :: String -> Promise ({firstName, lastName})
|
||
|
|
* var recoverFromFailure = R.pipe(
|
||
|
|
* failedFetch,
|
||
|
|
* R.otherwise(useDefault),
|
||
|
|
* R.then(R.pick(['firstName', 'lastName'])),
|
||
|
|
* );
|
||
|
|
* recoverFromFailure(12345).then(console.log)
|
||
|
|
*/
|
||
|
|
|
||
|
|
var otherwise =
|
||
|
|
/*#__PURE__*/
|
||
|
|
_curry2(function otherwise(f, p) {
|
||
|
|
_assertPromise('otherwise', p);
|
||
|
|
|
||
|
|
return p.then(null, f);
|
||
|
|
});
|
||
|
|
|
||
|
|
export default otherwise;
|