menu-mixin.js
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export default {
inject: ['rootMenu'],
computed: {
indexPath() {
const path = [this.index];
let parent = this.$parent;
while (parent.$options.componentName !== 'ElMenu') {
if (parent.index) {
path.unshift(parent.index);
}
parent = parent.$parent;
}
return path;
},
parentMenu() {
let parent = this.$parent;
while (
parent &&
['ElMenu', 'ElSubmenu'].indexOf(parent.$options.componentName) === -1
) {
parent = parent.$parent;
}
return parent;
},
paddingStyle() {
if (this.rootMenu.mode !== 'vertical') return {};
let padding = 20;
let parent = this.$parent;
if (this.rootMenu.collapse) {
padding = 20;
} else {
while (parent && parent.$options.componentName !== 'ElMenu') {
if (parent.$options.componentName === 'ElSubmenu') {
padding += 20;
}
parent = parent.$parent;
}
}
return {paddingLeft: padding + 'px'};
}
}
};