fix: defaultActiveFirstOption is true and activeKey is Falsy will return the next child key vueComponent#1727

jy0529 · jy0529 · commit 9d31b6ffa853 · 2020-03-29T16:49:11.000+08:00
diff --git a/components/vc-menu/SubPopupMenu.jsx b/components/vc-menu/SubPopupMenu.jsx
@@ -65,7 +65,7 @@ export function getActiveKey(props, originalActiveKey) {
   if (defaultActiveFirst) {
     loopMenuItem(children, (c, i) => {
       const propsData = c.componentOptions.propsData || {};
-      if (!activeKey && c && !propsData.disabled) {
+      if (activeKey === null && c && !propsData.disabled) {
         activeKey = getKeyFromChildrenIndex(c, eventKey, i);
       }
     });

Original file line number	Diff line number	Diff line change
`@@ -65,7 +65,7 @@ export function getActiveKey(props, originalActiveKey) {`
`65`	`65`	`if (defaultActiveFirst) {`
`66`	`66`	`loopMenuItem(children, (c, i) => {`
`67`	`67`	`const propsData = c.componentOptions.propsData \|\| {};`
`68`		`- if (!activeKey && c && !propsData.disabled) {`
	`68`	`+ if (activeKey === null && c && !propsData.disabled) {`
`69`	`69`	`activeKey = getKeyFromChildrenIndex(c, eventKey, i);`
`70`	`70`	`}`
`71`	`71`	`});`