get-installed-path

Get installation path where the given package is installed. Works for globally and locally installed packages

You might also be interested in detect-installed.

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Table of Contents

• Install
• API

getInstalledPath getInstalledPathSync

• Related
• Contributing
• Author
• License

(TOC generated by verb using markdown-toc)

Install

This project requires Node.jsnodeversion-url v6 and above. Use yarn v1 / npm v5 or above to install it.

$ yarn add get-installed-path

API

Review carefully the provided examples and the working tests.

getInstalledPath

Get installed path of globally or locally name package.

By default it checks if name exists as directory in global-modules directory of the system. Pass opts.local to get path of name package from local directory or from opts.cwd. Returns rejected promise if module not found in global/local node_modules folder or if it exist but is not a directory.
Params

• name {string}: package name
  opts {Object}: pass opts.local to check locally
  returns {Promise}: rejected promise if name not a string or is empty string

Example

const { getInstalledPath } = require('get-installed-path')

getInstalledPath('npm').then((path) => {
  console.log(path)
  // => '/home/charlike/.nvm/path/to/lib/node_modules/npm'
})

getInstalledPath('foo-bar-barwerwlekrjw').catch((err) => {
  console.log(err.message)
  // => 'module not found "foo-bar-barwerwlekrjw" in path ...'
})

getInstalledPath('npm', {
  local: true
}).catch((err) => {
  console.log(err.message)
  // => 'module not found "foo-bar-barwerwlekrjw" in path ...'
})

getInstalledPath('global-modules', {
  local: true
}).then((path) => {
  console.log(path)
  // => '~/code/get-installed-path/node_modules/global-modules'
})

// If you are using it for some sub-directory
// pass `opts.cwd` to be where the `node_modules`
// folder is.
process.chidr('foo-bar-baz')
getInstalledPath('global-modules', {
  local: true,
  cwd: '../'
}).then((path) => {
  console.log(path)
  // => '~/code/get-installed-path/node_modules/global-modules'
})

// When searching for the path of a package that is required
// by several other packages, its path may not be in the
// closest node_modules. In this case, to search recursively,
// you can use the following:
getInstalledPath('npm', {
 paths: process.mainModule.paths
}).then((path) => {
 // ...
})
// `process.mainModule` refers to the location of the current
// entry script.

getInstalledPathSync

Get installed path of a name package synchronous.

Returns boolean when paths option is used and filepath is directory, otherwise returns a full filepath OR throws error.
Params

• name {string}: package name
  opts {Object}: pass opts.local to check locally
  returns {string}: The full filepath or throw TypeError if name not a string or is empty string

Example

const { getInstalledPathSync } = require('get-installed-path')

const npmPath = getInstalledPathSync('npm')
console.log(npmPath)
// => '/home/charlike/.nvm/path/to/lib/node_modules/npm'

const gmPath = getInstalledPathSync('global-modules', { local: true })
console.log(gmPath)
// => '~/code/get-installed-path/node_modules/global-modules'

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Related

• always-done: Handle completion and errors with elegance! Support for streams, callbacks, promises, child… more | homepage
• detect-installed: Checks that given package is installed globally or locally. | homepage
• global-modules: The directory used by npm for globally installed npm modules. | homepage
• global-paths: Returns an array of unique "global" directories based on the user's platform… more | homepage
• global-prefix: Get the npm global path prefix. | homepage
• is-installed: Checks that given package is installed locally or globally. Useful for robust… more | homepage
• minibase: Minimalist alternative for Base. Build complex APIs with small units called plugins… more | homepage
• try-catch-core: Low-level package to handle completion and errors of sync or asynchronous functions… more | homepage

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Contributing

Pull requests and stars are always welcome. For bugs and feature requests, please create an issueopen-issue-url.
Please read the Contributing Guide and Code of Conduct documents for advices.

Author

• github/tunnckoCore
• twitter/tunnckoCore
• codementor/tunnckoCore

License

Copyright © 2016-2017, Charlike Mike Reagent. Released under the MIT License.

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