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npm-run-script(1) [netbsd man page]

NPM-RUN-SCRIPT(1)														 NPM-RUN-SCRIPT(1)

NAME
npm-run-script - Run arbitrary package scripts SYNOPSIS
npm run-script <command> [--silent] [-- <args>...] alias: npm run DESCRIPTION
This runs an arbitrary command from a package's "scripts" object. If no "command" is provided, it will list the available scripts. run[-script] is used by the test, start, restart, and stop commands, but can be called directly, as well. When the scripts in the package are printed out, they're separated into lifecycle (test, start, restart) and directly-run scripts. As of ` https://blog.npmjs.org/post/98131109725/npm-2-0-0, you can use custom arguments when executing scripts. The special option -- is used by getopt https://goo.gl/KxMmtG to delimit the end of the options. npm will pass all the arguments after the -- directly to your script: npm run test -- --grep="pattern" The arguments will only be passed to the script specified after npm run and not to any pre or post script. The env script is a special built-in command that can be used to list environment variables that will be available to the script at run- time. If an "env" command is defined in your package, it will take precedence over the built-in. In addition to the shell's pre-existing PATH, npm run adds node_modules/.bin to the PATH provided to scripts. Any binaries provided by locally-installed dependencies can be used without the node_modules/.bin prefix. For example, if there is a devDependency on tap in your package, you should write: "scripts": {"test": "tap test/*.js"} instead of "scripts": {"test": "node_modules/.bin/tap test/*.js"} to run your tests. The actual shell your script is run within is platform dependent. By default, on Unix-like systems it is the /bin/sh command, on Windows it is the cmd.exe. The actual shell referred to by /bin/sh also depends on the system. As of ` https://github.com/npm/npm/releases/tag/v5.1.0 you can customize the shell with the script-shell configuration. Scripts are run from the root of the module, regardless of what your current working directory is when you call npm run. If you want your script to use different behavior based on what subdirectory you're in, you can use the INIT_CWD environment variable, which holds the full path you were in when you ran npm run. npm run sets the NODE environment variable to the node executable with which npm is executed. Also, if the --scripts-prepend-node-path is passed, the directory within which node resides is added to the PATH. If --scripts-prepend-node-path=auto is passed (which has been the default in npm v3), this is only performed when that node executable is not found in the PATH. If you try to run a script without having a node_modules directory and it fails, you will be given a warning to run npm install, just in case you've forgotten. You can use the --silent flag to prevent showing npm ERR! output on error. You can use the --if-present flag to avoid exiting with a non-zero exit code when the script is undefined. This lets you run potentially undefined scripts without breaking the execution chain. SEE ALSO
o npm help 7 scripts o npm help test o npm help start o npm help restart o npm help stop o npm help 7 config January 2019 NPM-RUN-SCRIPT(1)

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NPM(1)                                                                                                                                      NPM(1)

NAME
npm - javascript package manager SYNOPSIS
npm <command> [args] VERSION
6.7.0 DESCRIPTION
npm is the package manager for the Node JavaScript platform. It puts modules in place so that node can find them, and manages dependency conflicts intelligently. It is extremely configurable to support a wide variety of use cases. Most commonly, it is used to publish, discover, install, and develop node programs. Run npm help to get a list of available commands. IMPORTANT
npm is configured to use npm, Inc.'s public registry at https:// by default. Use of the npm public registry is subject to terms of use available at https:// You can configure npm to use any compatible registry you like, and even run your own registry. Use of someone else's registry may be gov- erned by their terms of use. INTRODUCTION
You probably got npm because you want to install stuff. Use npm install blerg to install the latest version of "blerg". Check out npm help npm-install for more info. It can do a lot of stuff. Use the npm search command to show everything that's available. Use npm ls to show everything you've installed. DEPENDENCIES
If a package references to another package with a git URL, npm depends on a preinstalled git. If one of the packages npm tries to install is a native node module and requires compiling of C++ Code, npm will use node-gyp https://github.com/TooTallNate/node-gyp for that task. For a Unix system, node-gyp https://github.com/TooTallNate/node-gyp needs Python, make and a buildchain like GCC. On Windows, Python and Microsoft Visual Studio C++ are needed. Python 3 is not supported by node-gyp https://github.com/TooTallNate/node-gyp. For more information visit the node-gyp repository https://github.com/TooTallNate/node-gyp and the node-gyp Wiki https://github.com/TooTallNate/node-gyp/wiki. DIRECTORIES
See npm help 5 npm-folders to learn about where npm puts stuff. In particular, npm has two modes of operation: o global mode: npm installs packages into the install prefix at prefix/lib/node_modules and bins are installed in prefix/bin. o local mode: npm installs packages into the current project directory, which defaults to the current working directory. Packages are installed to ./node_modules, and bins are installed to ./node_modules/.bin. Local mode is the default. Use -g or --global on any command to operate in global mode instead. DEVELOPER USAGE
If you're using npm to develop and publish your code, check out the following help topics: o json: Make a package.json file. See npm help 5 package.json. o link: For linking your current working code into Node's path, so that you don't have to reinstall every time you make a change. Use npm link to do this. o install: It's a good idea to install things if you don't need the symbolic link. Especially, installing other peoples code from the reg- istry is done via npm install o adduser: Create an account or log in. Credentials are stored in the user config file. o publish: Use the npm publish command to upload your code to the registry. CONFIGURATION
npm is extremely configurable. It reads its configuration options from 5 places. o Command line switches: Set a config with --key val. All keys take a value, even if they are booleans (the config parser doesn't know what the options are at the time of parsing). If no value is provided, then the option is set to boolean true. o Environment Variables: Set any config by prefixing the name in an environment variable with npm_config_. For example, export npm_con- fig_key=val. o User Configs: The file at $HOME/.npmrc is an ini-formatted list of configs. If present, it is parsed. If the userconfig option is set in the cli or env, then that will be used instead. o Global Configs: The file found at ../etc/npmrc (from the node executable, by default this resolves to /usr/local/etc/npmrc) will be parsed if it is found. If the globalconfig option is set in the cli, env, or user config, then that file is parsed instead. o Defaults: npm's default configuration options are defined in lib/utils/config-defs.js. These must not be changed. See npm help 7 npm-config for much much more information. CONTRIBUTIONS
Patches welcome! If you would like to contribute, but don't know what to work on, read the contributing guidelines and check the issues list. o CONTRIBUTING.md https://github.com/npm/cli/blob/latest/CONTRIBUTING.md o Bug tracker https://npm.community/c/bugs o Support tracker https://npm.community/c/support BUGS
When you find issues, please report them: o web: https://npm.community/c/bugs Be sure to follow the template and bug reporting guidelines. You can also ask for help in the support forum https://npm.community/c/support if you're unsure if it's actually a bug or are having trouble coming up with a detailed reproduction to report. AUTHOR
Isaac Z. Schlueter http://blog.izs.me/ :: isaacs https://github.com/isaacs/ :: @izs https://twitter.com/izs :: i@izs.me SEE ALSO
o npm help help o README o npm help 5 package.json o npm help install o npm help config o npm help 7 config o npm help 5 npmrc o npm help 7 index January 2019 NPM(1)
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