281 lines
8.0 KiB
Markdown
281 lines
8.0 KiB
Markdown
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---
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title: npm-ls
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section: 1
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description: List installed packages
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---
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### Synopsis
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```bash
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npm ls <package-spec>
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alias: list
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```
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### Description
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This command will print to stdout all the versions of packages that are
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installed, as well as their dependencies when `--all` is specified, in a
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tree structure.
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Note: to get a "bottoms up" view of why a given package is included in the
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tree at all, use [`npm explain`](/commands/npm-explain).
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Positional arguments are `name@version-range` identifiers, which will limit
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the results to only the paths to the packages named. Note that nested
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packages will *also* show the paths to the specified packages. For
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example, running `npm ls promzard` in npm's source tree will show:
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```bash
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npm@10.1.0 /path/to/npm
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└─┬ init-package-json@0.0.4
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└── promzard@0.1.5
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```
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It will print out extraneous, missing, and invalid packages.
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If a project specifies git urls for dependencies these are shown
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in parentheses after the `name@version` to make it easier for users to
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recognize potential forks of a project.
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The tree shown is the logical dependency tree, based on package
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dependencies, not the physical layout of your `node_modules` folder.
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When run as `ll` or `la`, it shows extended information by default.
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### Note: Design Changes Pending
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The `npm ls` command's output and behavior made a _ton_ of sense when npm
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created a `node_modules` folder that naively nested every dependency. In
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such a case, the logical dependency graph and physical tree of packages on
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disk would be roughly identical.
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With the advent of automatic install-time deduplication of dependencies in
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npm v3, the `ls` output was modified to display the logical dependency
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graph as a tree structure, since this was more useful to most users.
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However, without using `npm ls -l`, it became impossible to show _where_ a
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package was actually installed much of the time!
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With the advent of automatic installation of `peerDependencies` in npm v7,
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this gets even more curious, as `peerDependencies` are logically
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"underneath" their dependents in the dependency graph, but are always
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physically at or above their location on disk.
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Also, in the years since npm got an `ls` command (in version 0.0.2!),
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dependency graphs have gotten much larger as a general rule. Therefore, in
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order to avoid dumping an excessive amount of content to the terminal, `npm
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ls` now only shows the _top_ level dependencies, unless `--all` is
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provided.
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A thorough re-examination of the use cases, intention, behavior, and output
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of this command, is currently underway. Expect significant changes to at
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least the default human-readable `npm ls` output in npm v8.
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### Configuration
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#### `all`
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* Default: false
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* Type: Boolean
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When running `npm outdated` and `npm ls`, setting `--all` will show all
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outdated or installed packages, rather than only those directly depended
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upon by the current project.
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#### `json`
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* Default: false
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* Type: Boolean
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Whether or not to output JSON data, rather than the normal output.
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* In `npm pkg set` it enables parsing set values with JSON.parse() before
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saving them to your `package.json`.
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Not supported by all npm commands.
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#### `long`
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* Default: false
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* Type: Boolean
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Show extended information in `ls`, `search`, and `help-search`.
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#### `parseable`
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* Default: false
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* Type: Boolean
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Output parseable results from commands that write to standard output. For
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`npm search`, this will be tab-separated table format.
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#### `global`
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* Default: false
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* Type: Boolean
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Operates in "global" mode, so that packages are installed into the `prefix`
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folder instead of the current working directory. See
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[folders](/configuring-npm/folders) for more on the differences in behavior.
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* packages are installed into the `{prefix}/lib/node_modules` folder, instead
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of the current working directory.
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* bin files are linked to `{prefix}/bin`
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* man pages are linked to `{prefix}/share/man`
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#### `depth`
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* Default: `Infinity` if `--all` is set, otherwise `1`
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* Type: null or Number
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The depth to go when recursing packages for `npm ls`.
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If not set, `npm ls` will show only the immediate dependencies of the root
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project. If `--all` is set, then npm will show all dependencies by default.
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#### `omit`
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* Default: 'dev' if the `NODE_ENV` environment variable is set to
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'production', otherwise empty.
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* Type: "dev", "optional", or "peer" (can be set multiple times)
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Dependency types to omit from the installation tree on disk.
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Note that these dependencies _are_ still resolved and added to the
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`package-lock.json` or `npm-shrinkwrap.json` file. They are just not
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physically installed on disk.
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If a package type appears in both the `--include` and `--omit` lists, then
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it will be included.
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If the resulting omit list includes `'dev'`, then the `NODE_ENV` environment
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variable will be set to `'production'` for all lifecycle scripts.
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#### `link`
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* Default: false
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* Type: Boolean
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Used with `npm ls`, limiting output to only those packages that are linked.
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#### `package-lock-only`
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* Default: false
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* Type: Boolean
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If set to true, the current operation will only use the `package-lock.json`,
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ignoring `node_modules`.
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For `update` this means only the `package-lock.json` will be updated,
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instead of checking `node_modules` and downloading dependencies.
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For `list` this means the output will be based on the tree described by the
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`package-lock.json`, rather than the contents of `node_modules`.
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#### `unicode`
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* Default: false on windows, true on mac/unix systems with a unicode locale,
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as defined by the `LC_ALL`, `LC_CTYPE`, or `LANG` environment variables.
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* Type: Boolean
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When set to true, npm uses unicode characters in the tree output. When
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false, it uses ascii characters instead of unicode glyphs.
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#### `workspace`
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* Default:
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* Type: String (can be set multiple times)
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Enable running a command in the context of the configured workspaces of the
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current project while filtering by running only the workspaces defined by
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this configuration option.
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Valid values for the `workspace` config are either:
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* Workspace names
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* Path to a workspace directory
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* Path to a parent workspace directory (will result in selecting all
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workspaces within that folder)
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When set for the `npm init` command, this may be set to the folder of a
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workspace which does not yet exist, to create the folder and set it up as a
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brand new workspace within the project.
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This value is not exported to the environment for child processes.
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#### `workspaces`
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* Default: null
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* Type: null or Boolean
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Set to true to run the command in the context of **all** configured
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workspaces.
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Explicitly setting this to false will cause commands like `install` to
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ignore workspaces altogether. When not set explicitly:
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- Commands that operate on the `node_modules` tree (install, update, etc.)
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will link workspaces into the `node_modules` folder. - Commands that do
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other things (test, exec, publish, etc.) will operate on the root project,
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_unless_ one or more workspaces are specified in the `workspace` config.
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This value is not exported to the environment for child processes.
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#### `include-workspace-root`
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* Default: false
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* Type: Boolean
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Include the workspace root when workspaces are enabled for a command.
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When false, specifying individual workspaces via the `workspace` config, or
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all workspaces via the `workspaces` flag, will cause npm to operate only on
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the specified workspaces, and not on the root project.
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This value is not exported to the environment for child processes.
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#### `install-links`
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* Default: false
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* Type: Boolean
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When set file: protocol dependencies will be packed and installed as regular
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dependencies instead of creating a symlink. This option has no effect on
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workspaces.
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### See Also
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* [package spec](/using-npm/package-spec)
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* [npm explain](/commands/npm-explain)
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* [npm config](/commands/npm-config)
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* [npmrc](/configuring-npm/npmrc)
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* [npm folders](/configuring-npm/folders)
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* [npm explain](/commands/npm-explain)
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* [npm install](/commands/npm-install)
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* [npm link](/commands/npm-link)
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* [npm prune](/commands/npm-prune)
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* [npm outdated](/commands/npm-outdated)
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* [npm update](/commands/npm-update)
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