Sapper 不断收到客户关于 'this' 关键字的警告？

Question

不断从客户端收到此警告，但不完全确定是什么原因引起的。任何正确方向的指导都会非常有帮助！

• client
The 'this' keyword is equivalent to 'undefined' at the top level of an ES module, and has been rewritten
1: var __extends = (this && this.__extends) || (function () {
                    ^
2:     var extendStatics = function (d, b) {
3:         extendStatics = Object.setPrototypeOf ||
The 'this' keyword is equivalent to 'undefined' at the top level of an ES module, and has been rewritten
1: var __extends = (this && this.__extends) || (function () {
                            ^
2:     var extendStatics = function (d, b) {
3:         extendStatics = Object.setPrototypeOf ||
The 'this' keyword is equivalent to 'undefined' at the top level of an ES module, and has been rewritten
1: var __assign = (this && this.__assign) || function () {
                   ^
2:     __assign = Object.assign || function(t) {
3:         for (var s, i = 1, n = arguments.length; i < n; i++) {
The 'this' keyword is equivalent to 'undefined' at the top level of an ES module, and has been rewritten
1: var __assign = (this && this.__assign) || function () {
                           ^
2:     __assign = Object.assign || function(t) {
3:         for (var s, i = 1, n = arguments.length; i < n; i++) {

Answer 1

通过将以下代码添加到我的客户端汇总包中，我能够解决这个问题。

context: "window"

这是与此错误相关的文档： https://rollupjs.org/guide/en/#error-this-is-undefined

Sapper 不断收到客户关于 'this' 关键字的警告？

Sapper keep getting warning from client about 'this' keyword?

javascript

frontend

rollupjs

svelte

sapper