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39 lines
932 B
Markdown
39 lines
932 B
Markdown
title: Installation
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---
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# Installation
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The best way to install [node] is [nvm] in OS X and Linux, or [nvmw] in Windows.
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**Don't use sudo.**
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After [install nvm](https://github.com/creationix/nvm#install-script), you can install node.
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```
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$ nvm install 4
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```
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You can switch version that is installed.
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```bash
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$ nvm use 4
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$ node -v
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$ nvm use 6
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$ node -v
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```
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## Global module
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Global module is the module that is installed with `-g` flag. You can share global modules between multi version.
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If you are using nvm, it will switch `prefix` when switch versions. But you can specify `prefix` to use one global module between versions.
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1. Edit `~/.npmrc`，append `prefix=~/.npm-global`
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2. Edit `~/.zshrc` or `~/.bashrc`，，append ` export PATH=~/.npm-global/bin:$PATH`
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3. Run `source ~/.zshrc` or `source ~/.bashrc`
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[nvm]: https://github.com/creationix/nvm
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[nvmw]: https://github.com/hakobera/nvmw
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[node]: https://nodejs.org/
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