117 lines
2.0 KiB
Markdown
117 lines
2.0 KiB
Markdown
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---
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title: npm Cheat Sheet
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---
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## npm Cheat Sheet
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A list of terminal commands and flags to help use `npm`
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## install `package.json` dependencies
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```shell
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npm install
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```
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**Shorthand**
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```shell
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# install
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npm i <package>
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# uninstall
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npm un <package>
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# update
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npm up <package>
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```
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## List globally installed packages.
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```shell
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npm list -g --depth=0
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```
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## Uninstall global package
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```shell
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npm -g uninstall <name>
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```
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## Upgrade NPM on Windows
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After trying several times to upgrade npm on Windows I found this whilst poking around in the npm folders.
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```shell
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npm-windows-upgrade
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```
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## Updating global packages
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To see which packages need updating, use:
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```shell
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npm outdated -g --depth=0
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```
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To update global packages individually you can use:
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```shell
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npm update -g <package> <package> <package>
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```
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## list available scripts to run
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```shell
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npm run
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```
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## update npm
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```shell
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npm install -g npm@latest
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# using windows? Then use
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npm-windows-upgrade
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```
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## flags
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`-S` is the same as `--save` not needed in npm 5+
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`-D` is the same as `--save-dev`
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## installed version
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```shell
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npm list # for local packages
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```
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## Node Version Manager `nvm`
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nvm is a popular version manager for npm. It lets you install multiple npm instances on the same machine, giving you the opportunity to also have different versions for global packages, for each npm installation. You can find [more information on nvm here](https://github.com/creationix/nvm).
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Say you want to install Node v6.9.1 you would write on the terminal:
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```shell
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nvm install 6
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```
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If you have multiple versions of Node.js installed on your workspace, you can switch to a specific version by writing:
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```shell
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nvm use 4.8.4
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```
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If you want to install another version of Node.js and also re-install all global packages from another installed version:
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```shell
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nvm install 8.11.1 --reinstall-packages-from=4.8.4
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```
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### Making a node version default.
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In order to set a default version of node for your workspace, just type:
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```shell
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nvm alias default 6
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```
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Where 6 was the version you wanted to be used as default.
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