解决 runtimes.rb:58:in `autodetect

今天使用zat工具进行打包，但安装后执行发现会报以下错误：

Traceback (most recent call last):
    13: from /usr/local/bin/zat:23:in `<main>'
    12: from /usr/local/bin/zat:23:in `load'
    11: from /Library/Ruby/Gems/2.6.0/gems/zendesk_apps_tools-3.8.1/bin/zat:13:in `<top (required)>'
    10: from /Library/Ruby/Gems/2.6.0/gems/thor-0.19.4/lib/thor/base.rb:444:in `start'
     9: from /Library/Ruby/Gems/2.6.0/gems/thor-0.19.4/lib/thor.rb:369:in `dispatch'
     8: from /Library/Ruby/Gems/2.6.0/gems/thor-0.19.4/lib/thor/invocation.rb:126:in `invoke_command'
     7: from /Library/Ruby/Gems/2.6.0/gems/thor-0.19.4/lib/thor/command.rb:27:in `run'
     6: from /Library/Ruby/Gems/2.6.0/gems/zendesk_apps_tools-3.8.1/lib/zendesk_apps_tools/command.rb:121:in `package'
     5: from /Library/Ruby/Gems/2.6.0/gems/zendesk_apps_tools-3.8.1/lib/zendesk_apps_tools/command.rb:88:in `validate'
     4: from /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/rubygems/core_ext/kernel_require.rb:54:in `require'
     3: from /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/rubygems/core_ext/kernel_require.rb:54:in `require'
     2: from /Library/Ruby/Gems/2.6.0/gems/execjs-2.7.0/lib/execjs.rb:4:in `<top (required)>'
     1: from /Library/Ruby/Gems/2.6.0/gems/execjs-2.7.0/lib/execjs.rb:5:in `<module:ExecJS>'
/Library/Ruby/Gems/2.6.0/gems/execjs-2.7.0/lib/execjs/runtimes.rb:58:in `autodetect': Could not find a JavaScript runtime. See https://github.com/rails/execjs for a list of available runtimes. (ExecJS::RuntimeUnavailable)

解决方案：

安装notejs可以解决以上问题，不同系统的安装方式如下：

1）Windows & macOS系统

打开Notejs官网，下载Notejs安装包安装即可。

2）Linux 系统

a) Ubuntu 安装Notejs命令

sudo apt-get install nodejs

b) CentOS安装Notejs命令

sudo yum install nodejs

问题原因：

缺少JavaScript的运行环境，安装Notejs即可解决。

如果这个方案解决了您的问题，别忘了点赞♥️，让其他同学也知道这个正确的方法。

参考链接：

1. https://stackoverflow.com/questions/9202324/execjs-could-not-find-a-javascript-runtime-but-execjs-and-therubyracer-are-in