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模块解析失败：意外令牌。您可能需要一个额外的加载器来处理这些加载器的结果

[英]Module parse failed: Unexpected token . You may need an additional loader to handle the result of these loaders

原文 2021-10-28 15:32:40 3 1 javascript/ node.js/ vue.js/ npm

What is this syntax message?.length === 1 can anyone explain me how to convert it into normal javascript?这是什么语法message?.length === 1谁能解释我如何将它转换成普通的 javascript？

It is a vue js component I downloaded from somewhere but when I put into my project it gets an error这是我从某处下载的 vue js 组件，但是当我放入我的项目时，它会出错

1 个解决方案

a?.b is the "optional chaining" operator, which returns undefined when one of the chained properties is undefined or null. a?.b是“可选链接”运算符，当链接的属性之一为 undefined 或 null 时，它返回 undefined。

message?.length === 1 could be replaced by message && message.length === 1 . message?.length === 1可以替换为message && message.length === 1 。

react-script 4.0.3 显示模块解析失败：您可能需要一个额外的加载器来处理这些加载器的结果 - react-script 4.0.3 showing Module parse failed: You may need an additional loader to handle the result of these loaders

您可能需要一个额外的加载器来处理这些加载器的结果，r = ts(a[0]) - You may need an additional loader to handle the result of these loaders, r = ts(a[0])

“你可能需要一个额外的加载器来处理这些加载器的结果。” - "You may need an additional loader to handle the result of these loaders."

Reactjs - 你可能需要一个额外的加载器来处理这些加载器的结果 - Reactjs - You may need an additional loader to handle the result of these loaders

Vue - 你可能需要一个额外的加载器来处理这些加载器的结果 - Vue - You may need an additional loader to handle the result of these loaders

模块解析失败：意外的令牌（7：5）您可能需要适当的加载程序来处理此文件类型。：Webpack，Bootstrap - Module parse failed: Unexpected token (7:5) You may need an appropriate loader to handle this file type. : Webpack, Bootstrap

模块解析失败：意外令牌 (41:41) 您可能需要适当的加载程序来处理此文件类型 - Module parse failed: Unexpected token (41:41) You may need an appropriate loader to handle this file type

React/Zusand - 模块解析失败：意外的令牌。您可能需要适当的加载程序来处理此文件类型 - React/Zustand - Module parse failed: Unexpected token. You may need an appropriate loader to handle this file type

React - 模块解析失败：意外的令牌。您可能需要适当的加载程序来处理此文件类型 - React - Module parse failed: Unexpected Token. You may need an appropriate loader to handle this file type

模块解析失败：意外标记 (1:0) 您可能需要适当的加载程序来处理此文件类型。 - Module parse failed: Unexpected token (1:0) You may need an appropriate loader to handle this file type. <!DOCTYPE html>

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相关问题 react-script 4.0.3 显示模块解析失败：您可能需要一个额外的加载器来处理这些加载器的结果 - react-script 4.0.3 showing Module parse failed: You may need an additional loader to handle the result of these loaders 您可能需要一个额外的加载器来处理这些加载器的结果，r = ts(a[0]) - You may need an additional loader to handle the result of these loaders, r = ts(a[0]) “你可能需要一个额外的加载器来处理这些加载器的结果。” - "You may need an additional loader to handle the result of these loaders." Reactjs - 你可能需要一个额外的加载器来处理这些加载器的结果 - Reactjs - You may need an additional loader to handle the result of these loaders Vue - 你可能需要一个额外的加载器来处理这些加载器的结果 - Vue - You may need an additional loader to handle the result of these loaders 模块解析失败：意外的令牌（7：5）您可能需要适当的加载程序来处理此文件类型。：Webpack，Bootstrap - Module parse failed: Unexpected token (7:5) You may need an appropriate loader to handle this file type. : Webpack, Bootstrap 模块解析失败：意外令牌 (41:41) 您可能需要适当的加载程序来处理此文件类型 - Module parse failed: Unexpected token (41:41) You may need an appropriate loader to handle this file type React/Zusand - 模块解析失败：意外的令牌。您可能需要适当的加载程序来处理此文件类型 - React/Zustand - Module parse failed: Unexpected token. You may need an appropriate loader to handle this file type React - 模块解析失败：意外的令牌。您可能需要适当的加载程序来处理此文件类型 - React - Module parse failed: Unexpected Token. You may need an appropriate loader to handle this file type 模块解析失败：意外标记 (1:0) 您可能需要适当的加载程序来处理此文件类型。 - Module parse failed: Unexpected token (1:0) You may need an appropriate loader to handle this file type. <!DOCTYPE html>

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