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nidle-plugin-nvm

v0.2.9-alpha.0

Published

nidle plugin of nvm node version manager

Downloads

13

Readme

nidle-plugin-nvm

nidle plugin of nvm node version manager,required nvm

Install

npm install nidle-plugin-nvm

Usage

如果您有多个项目,且依赖不同的 node version,那么可以使用该插件.

nidle-plugin-nvm 会根据

  • .nvmrc (优先
  • package.json > engines > node

获取应用所需的node version,并修改task.processOptions.execPath指向正确的 node 执行文件。

WHY

为什么nidle-plugin-nvm不直接nvm use管理应用的 node 版本,而是只给出执行文件路径?

nvm is a version manager for node.js, designed to be installed per-user, and invoked per-shell.

先看nvm官方原文,nvm的版本管理在多个shell脚本中是互相独立的;

我们的插件一般是开启子进程来执行一些shell脚本,子进程默认情况又是继承自父进程的(除非指定execPath);

所以能想到的办法就是在调度器中起一个父进程,并让其使用正确 node 版本,再通过它去调度插件;

但是由于目前调度器中上下文太多,很难通过 shell 执行某个 js 文件去保持上下文;所以暂缓。

nvm alias default 不是会修改默认 node 版本,新起的 shell 都会继承吗?

是的,在 Terminal 中起多个窗口,这是正常的;但是我们尝试过子进程好像表现并不像是新起 shell,而是衍生 shell,现象是会继承父进程的环境