| 提交 | 用户 | age | ||
| 2f6253 | 1 | import { |
| 陈 | 2 | watch, |
| 3 | computed, | |
| 4 | WatchSource, | |
| 5 | getCurrentInstance, | |
| 6 | onMounted, | |
| 7 | onUnmounted, | |
| 8 | nextTick, | |
| 9 | reactive, | |
| 81baf1 | 10 | ComponentInternalInstance, |
| 2f6253 | 11 | } from 'vue'; |
| 4ff1c4 | 12 | import { error } from '../log'; |
| 2f6253 | 13 | |
| 陈 | 14 | export function explicitComputed<T, S>(source: WatchSource<S>, fn: () => T) { |
| 15 | const v = reactive<any>({ value: fn() }); | |
| 16 | watch(source, () => (v.value = fn())); | |
| 17 | return computed<T>(() => v.value); | |
| 18 | } | |
| 19 | ||
| 20 | export function tryOnMounted(fn: () => void, sync = true) { | |
| 21 | if (getCurrentInstance()) { | |
| 22 | onMounted(fn); | |
| 23 | } else if (sync) { | |
| 24 | fn(); | |
| 25 | } else { | |
| 26 | nextTick(fn); | |
| 27 | } | |
| 28 | } | |
| 29 | ||
| 30 | export function tryOnUnmounted(fn: () => Promise<void> | void) { | |
| db0bfc | 31 | getCurrentInstance() && onUnmounted(fn); |
| 2f6253 | 32 | } |
| 陈 | 33 | |
| 81baf1 | 34 | export function tryTsxEmit<T extends any = ComponentInternalInstance>( |
| V | 35 | fn: (_instance: T) => Promise<void> | void |
| 36 | ) { | |
| 37 | const instance = getCurrentInstance() as any; | |
| db0bfc | 38 | instance && fn.call(null, instance); |
| 2f6253 | 39 | } |
| 陈 | 40 | |
| 41 | export function isInSetup() { | |
| 42 | if (!getCurrentInstance()) { | |
| 4ff1c4 | 43 | error('Please put useForm function in the setup function!'); |
| 2f6253 | 44 | } |
| 陈 | 45 | } |
