add:[permission]: add checkPermission function

src/utils/permission.js

@@ -0,0 +1,26 @@
+import store from '@/store'
+
+/**
+ * @param {Array} value
+ * @returns {Boolean}
+ * @example see @/views/permission/directive.vue
+ */
+export default function checkPermission(value) {
+  if (value && value instanceof Array && value.length > 0) {
+    const roles = store.getters && store.getters.roles
+    const permissionRoles = value
+
+    const hasPermission = roles.some(role => {
+      return permissionRoles.includes(role)
+    })
+
+    if (!hasPermission) {
+      return false
+    }
+    return true
+  } else {
+    console.error(`need roles! Like v-permission="['admin','editor']"`)
+    return false
+  }
+}
+