如何仅从命令行检查JavaScript代码是否存在语法错误? [英] How can I check JavaScript code for syntax errors ONLY from the command line?

问题描述

可以在IDE中或使用来检查JavaScript程序是否存在错误.在线网络应用，但我正在寻找一种单独检测语法错误的方法.

JavaScript programs can be checked for errors in IDEs or using online web apps but I'm looking for a way to detect syntax errors alone.

我已经尝试过JSLint和JSHint并查看了它们的选项，但是我无法找到一种组合来排除警告和

I've tried JSLint and JSHint and looked at their options but I haven't been able to find a combination that would exclude warnings and just shows the syntax errors.

如何从命令行检查JavaScript代码仅语法错误?

How do I check JavaScript code for syntax errors only from the command line?

推荐答案

解决方案是启用jshint的--verbose选项，该选项显示错误或警告代码(例如，E020表示Expected '}' to match '{'或W110表示Mixed double and single quotes)，然后grep仅用于错误:

The solution is to enable jshint's --verbose option, which shows the error or warning code (e.g. E020 for Expected '}' to match '{' or W110 for Mixed double and single quotes), then grep for errors only:

jshint --verbose test.js | grep -E E[0-9]+.$

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