Awesome
p-if
Conditional promise chains
Install
$ npm install p-if
Usage
import pIf from 'p-if';
getData()
.then(pIf(process.env.NODE_ENV !== 'production', addDebugInfo))
.then(data => {
console.log(data);
});
Can also be nested:
import pIf from 'p-if';
getList()
.then(pIf(shouldSort, pIf(sortDirection === 'ascending', sort.asc, sort.desc)))
.then(list => {
console.log(list);
});
API
pIf(condition, doIf, doElse?)
It's just a passthrough if condition
is false
and doElse
is not provided.
Returns a thunk that returns a Promise
.
condition
Type: boolean | Function
Decides whether doIf
or doElse
is executed.
Can be a boolean
, or a Function
returning a boolean
or a Promise
for a boolean
.
doIf
Type: Function
Executed if condition
is true
.
Expected to return a Promise
or value.
doElse
Type: Function
Executed if condition
is false
.
Expected to return a Promise
or value.
Related
- p-catch-if - Conditional promise catch handler
- p-log - Log the value/error of a promise
- p-tap - Tap into a promise chain without affecting its value or state
- More…