After install
npm i @ polymer / paper-tabs
and import :
import'@ polymer / paper-tabs / paper-tab.js';
import'@ polymer / paper-tabs / paper-tabs.js';
Getting error on run :
polymer-fn.js：43未捕获（在承诺中）DOMException：无法在'CustomElementRegistry'上执行'define'：此名称已在Polymer（http://localhost:8081/node_modules/@polymer/polymer/lib/legacy/polymer-fn.js:43:18）http://localhost:8081/node_modules/@polymer/paper-tabs/node_modules/@polymer/paper-ripple/paper-ripple.js:314:1处使用此注册表
1 回答
在项目目录中，尝试：
-install paper-tabs，
npm i --save @polymer/paper-tabs-remove目录node_modules
-remove file packege-lock.json
-reinstall依赖项通过npm，
npm install-in my-app.js（参见starter-kit）import paper-tabs.js
import '@polymer/paper-tabs/paper-tabs.js';