Conditional promise chains
npm install p-if> Conditional promise chains
``
$ npm install p-if
`js
import pIf from 'p-if';
getData()
.then(pIf(process.env.NODE_ENV !== 'production', addDebugInfo))
.then(data => {
console.log(data);
});
`
Can also be nested:
`js
import pIf from 'p-if';
getList()
.then(pIf(shouldSort, pIf(sortDirection === 'ascending', sort.asc, sort.desc)))
.then(list => {
console.log(list);
});
`
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.
- 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…