45 lines
1005 B
TypeScript
45 lines
1005 B
TypeScript
import {
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watch,
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computed,
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WatchSource,
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getCurrentInstance,
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onMounted,
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onUnmounted,
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nextTick,
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reactive,
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ComponentInternalInstance,
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} from 'vue';
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export function explicitComputed<T, S>(source: WatchSource<S>, fn: () => T) {
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const v = reactive<any>({ value: fn() });
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watch(source, () => (v.value = fn()));
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return computed<T>(() => v.value);
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}
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export function tryOnMounted(fn: () => void, sync = true) {
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if (getCurrentInstance()) {
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onMounted(fn);
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} else if (sync) {
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fn();
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} else {
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nextTick(fn);
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}
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}
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export function tryOnUnmounted(fn: () => Promise<void> | void) {
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getCurrentInstance() && onUnmounted(fn);
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}
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export function tryTsxEmit<T extends any = ComponentInternalInstance>(
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fn: (_instance: T) => Promise<void> | void
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) {
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const instance = getCurrentInstance() as any;
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instance && fn.call(null, instance);
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}
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export function isInSetup() {
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if (!getCurrentInstance()) {
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throw new Error('Please put useForm function in the setup function!');
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}
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}
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