Select 并映射可观察对象内的值
Select and map over the values inside an observable
我正在尝试 select 并映射可观察 w/o 订阅的值?
问题:
selectdoggo[documents]
和映射blocks
w/o破坏Observable的操作符是什么?
来自:
this.doggos.getDoggos().subscribe((doggos) => {
this.galleryItems = doggos['documents'].map(d => d.blocks);
});
至:
this.galleryItemsObs = this.doggos.getDoggos().pipe(...);
使用map
!
this.doggos.getDoggos().map((doggos) => {
return doggos['documents'].map(d => d.blocks);
});
我正在尝试 select 并映射可观察 w/o 订阅的值?
问题:
selectdoggo[documents]
和映射blocks
w/o破坏Observable的操作符是什么?
来自:
this.doggos.getDoggos().subscribe((doggos) => {
this.galleryItems = doggos['documents'].map(d => d.blocks);
});
至:
this.galleryItemsObs = this.doggos.getDoggos().pipe(...);
使用map
!
this.doggos.getDoggos().map((doggos) => {
return doggos['documents'].map(d => d.blocks);
});