vue-vben-admin/src/hooks/component/useFormItem.ts

61 lines
1.3 KiB
TypeScript

import type { UnwrapRef, Ref, WritableComputedRef, DeepReadonly } from 'vue';
import {
reactive,
readonly,
computed,
getCurrentInstance,
watchEffect,
unref,
toRaw,
nextTick,
} from 'vue';
import { isEqual } from 'lodash-es';
export function useRuleFormItem<T extends Recordable, K extends keyof T, V = UnwrapRef<T[K]>>(
props: T,
key?: K,
changeEvent?,
emitData?: Ref<any[]>,
): [WritableComputedRef<V>, (val: V) => void, DeepReadonly<V>];
export function useRuleFormItem<T extends Recordable>(
props: T,
key: keyof T = 'value',
changeEvent = 'change',
emitData?: Ref<any[]>,
) {
const instance = getCurrentInstance();
const emit = instance?.emit;
const innerState = reactive({
value: props[key],
});
const defaultState = readonly(innerState);
const setState = (val: UnwrapRef<T[keyof T]>): void => {
innerState.value = val as T[keyof T];
};
watchEffect(() => {
innerState.value = props[key];
});
const state: any = computed({
get() {
return innerState.value;
},
set(value) {
if (isEqual(value, defaultState.value)) return;
innerState.value = value as T[keyof T];
nextTick(() => {
emit?.(changeEvent, value, ...(toRaw(unref(emitData)) || []));
});
},
});
return [state, setState, defaultState];
}