Webpack:在缺少成员导入时引发错误 [英] Webpack: Throw error on missing member import

问题描述

我有一个这样的导入:

import { foo } from 'bar';

如果 foo 没有定义，有没有办法让 Webpack 抛出错误?

Is there a way to get Webpack to throw an error if foo is not defined?

请注意，如果这有所不同，我将使用 Babel.

推荐答案

As Tobias K 在评论中指出，另一个答案是不正确的.如果您尝试导入不存在的模块，配置 strictModuleExceptionHandling: true 不会产生编译时错误.

As Tobias K pointed out in the comments, the other answer is incorrect. Configuring strictModuleExceptionHandling: true will not produce a compile time error if you try to import a module which does not exist.

正确的配置是strictExportPresence: true，仅在webpack v2.3.0及更高版本中可用.(早期版本只能显示警告，不能显示错误.)

The correct configuration is strictExportPresence: true, which is only available in webpack v2.3.0 and later. (Earlier versions can only show a warning, not an error.)

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