大佬教程收集整理的这篇文章主要介绍了Parcel 构建失败,显示 babel 错误“Do not clone comments tha...<omitted>... } could not be cloned”,大佬教程大佬觉得挺不错的,现在分享给大家,也给大家做个参考。
当我尝试使用parcelJs 创建构建时出现以下错误。它在使用 Parcel 创建构建时显示了一些 babel 文件:
yarn run v1.22.5
$ parcel build app.HTML -d static
? /home/documents/ClIEnt-Portal/react/react-entry.Js: function __clone() {
var node2 = new Node();
for (var key in this) {
// Do not clone comments tha...<omitted>... } @R_404_5717@ not be cloned.
var node2 = new Node();
for (var key in this) {
// Do not clone comments tha...<omitted>... } @R_404_5717@ not be cloned.
at Object.serialize (v8.Js:268:7)
at _default (/home/documents/ClIEnt-Portal/node_modules/@babel/core/lib/transformation/util/clone-deep.Js:16:30)
at normalizefile (/home/documents/ClIEnt-Portal/node_modules/@babel/core/lib/transformation/normalize-file.Js:52:36)
at normalizefile.next (<anonymous>)
at run (/home/documents/ClIEnt-Portal/node_modules/@babel/core/lib/transformation/index.Js:31:50)
at run.next (<anonymous>)
at Function.<anonymous> (/home/documents/ClIEnt-Portal/node_modules/@babel/core/lib/transform-ast.Js:20:41)
at Generator.next (<anonymous>)
at evaluateSync (/home/documents/ClIEnt-Portal/node_modules/gensync/index.Js:251:28)
at Function.sync (/home/documents/ClIEnt-Portal/node_modules/gensync/index.Js:89:14)
[1/4] Resolving packages...
error Command Failed with exit code 1.
info Visit https://yarnpkg.com/en/docs/cli/run for documentation about this command
我正在使用 babel-core "^6.18.2" ,parcel ^1.12.5",节点 ^12.18.2, “反应”:“15.4.2”。 我的反应入口文件如下:
import AppRoutes from './components/app/AppRoutes';
// Legacy browser polyfills (e.g. IE 11)
import 'whatwg-fetch'; // Fetch polyfill
import Promise from 'promise-polyfill'; // Promise polyfill
if (!window.PromisE) window.Promise = Promise;
// HTML Events for IE
if (navigator.userAgent.indexOf('MSIE') !== -1
|| navigator.appVersion.indexOf('TrIDent/') > 0) {
window.fireEvent = (E) => {
let evt = document.createEvent("HTMLEvents");
evt.initEvent(e,true,falsE);
window.dispatchEvent(evt);
}
} else {
window.fireEvent = (E) => window.dispatchEvent(new Event(E));
}
// Custom Event polyfill
if (typeof window.CustomEvent !== "function") {
function CustomEvent ( event,params ) {
params = params || { bubbles: false,cancelable: false,detail: undefined };
var evt = document.createEvent( 'CustomEvent' );
evt.initCustomEvent( event,params.bubbles,params.cancelable,params.detail );
return evt;
}
CustomEvent.prototype = window.Event.prototype;
window.CustomEvent = CustomEvent;
}
window.onload = () => {
ReactDOm.render(<AppRoutes/>,document.getElementByID('main'));
};
我已删除 .babelrc
文件,然后能够成功创建构建。
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