如何在 package.json 中使用变量? [英] How can I use variables in package.json?
问题描述
在 package.json 中有一个来自 maven 的特性我很想念.在 maven .pom 文件中,您可以在父项目中定义变量并在子项目的 pom 文件中使用它们.
There is a feature from maven I miss a lot in package.json. In maven .pom file you can define variables in parent project and use them in child project's pom files.
npm 中有这样的东西吗?我们正在构建模块化项目,我想集中定义依赖版本,并在相应的 package.json 文件中使用它们.
Is there something like this in npm? We are building modular project and I want to define dependency versions centrally and them to be used in respective package.json files.
谢谢
推荐答案
任何键都可以被引用,以 $npm_package_
开头,并为每下一级添加下划线.
Any key can be referenced, beginning with $npm_package_
and adding an underscore for every level you go down.
示例:
{ "name": "appname", "version": "0.0.1"}
name 可以像这样访问:$npm_package_name
或 ${npm_package_name}
以在字符串中分隔
name can be access like: $npm_package_name
or ${npm_package_name}
to delimit within string
对于windows用户,name可以这样访问:%npm_package_name%
For windows user, name can access like: %npm_package_name%
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