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perf: reduce ref call

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This commit is contained in:
chenjiahan
2020-08-25 15:33:59 +08:00
parent a00e6f3474
commit 04290db467
2 changed files with 7 additions and 10 deletions
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8
src/action-bar-button/index.js
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@@ -1,4 +1,4 @@
import { ref, computed } from 'vue';
import { computed } from 'vue';
import { createNamespace } from '../utils';
import { route, routeProps } from '../utils/router';
import { useParent } from '../api/use-relation';
@@ -19,13 +19,13 @@ export default createComponent({
},
setup(props, { slots }) {
const { parent, index } = useParent(ACTION_BAR_KEY, ref(true));
const { parent, index } = useParent(ACTION_BAR_KEY, { isButton: true });
const isFirst = computed(() => {
if (parent) {
const children = parent.children.value;
const prev = children[index.value - 1];
return !(prev && prev.value);
return !(prev && prev.isButton);
}
});
@@ -33,7 +33,7 @@ export default createComponent({
if (parent) {
const children = parent.children.value;
const next = children[index.value + 1];
return !(next && next.value);
return !(next && next.isButton);
}
});