SAP Spartacus源代码里的declare var window的含义

By writing declare var angular you are simply telling Typescript to trust you that it exists, even though it hasn’t seen it be imported into the scope of this file.

https://stackoverflow.com/questions/56048760/why-is-declare-var-angular-necessary-when-using-typescript-with-angularjs

告诉TypeScript，开发人员肯定变量window已经被定义，虽然看起来并未在当前文件的作用域内被导入。

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