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refactor: improve relation api

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This commit is contained in:
chenjiahan
2020-08-23 15:36:16 +08:00
parent ff3a5d66ab
commit 50fc123b3e
4 changed files with 30 additions and 25 deletions
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14
src/action-bar-button/index.js
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@@ -1,7 +1,7 @@
import { ref, computed } from 'vue';
import { createNamespace } from '../utils';
import { route, routeProps } from '../utils/router';
import { useChildren } from '../api/use-relation';
import { useParent } from '../api/use-relation';
import { ACTION_BAR_KEY } from '../action-bar';
import Button from '../button';
@@ -19,18 +19,20 @@ export default createComponent({
},
setup(props, { slots }) {
const { children, index } = useChildren(ACTION_BAR_KEY, ref(true));
const { parent, index } = useParent(ACTION_BAR_KEY, ref(true));
const isFirst = computed(() => {
if (children) {
const prev = children.value[index.value - 1];
if (parent) {
const children = parent.children.value;
const prev = children[index.value - 1];
return !(prev && prev.value);
}
});
const isLast = computed(() => {
if (children) {
const next = children.value[index.value + 1];
if (parent) {
const children = parent.children.value;
const next = children[index.value + 1];
return !(next && next.value);
}
});