orElse()
Provide an alternative task to try if this one fails.
Syntax
typescript
task.orElse(fn: (error: any) => FuturableTask<T>): FuturableTask<T>Parameters
fn
Function that receives the error and returns an alternative FuturableTask.
Examples
typescript
const task = FuturableTask
.fetch('/api/primary')
.orElse(() => FuturableTask.fetch('/api/backup'))
.orElse(() => FuturableTask.resolve(CACHED_DATA));Fallback Chain
typescript
const getData = FuturableTask
.fetch('/api/v2/data')
.orElse(() => FuturableTask.fetch('/api/v1/data'))
.orElse(() => FuturableTask.of(() => loadFromLocalStorage()));