mirror of https://github.com/lukechilds/node.git
Browse Source
PR-URL: https://github.com/nodejs/node/pull/13276 Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>v6
Kat Marchán
8 years ago
committed by
Anna Henningsen
Anna Henningsen
230 changed files with 7639 additions and 3413 deletions
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npm-package-locks(5) -- An explanation of npm lockfiles |
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|
===================================================== |
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|
|
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|
## DESCRIPTION |
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|
|
||||
|
Conceptually, the "input" to npm-install(1) is a package.json(5), while its |
||||
|
"output" is a fully-formed `node_modules` tree: a representation of the |
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|
dependencies you declared. In an ideal world, npm would work like a pure |
||||
|
function: the same `package.json` should produce the exact same `node_modules` |
||||
|
tree, any time. In some cases, this is indeed true. But in many others, npm is |
||||
|
unable to do this. There are multiple reasons for this: |
||||
|
|
||||
|
* different versions of npm (or other package managers) may have been used to install a package, each using slightly different installation algorithms. |
||||
|
|
||||
|
* a new version of a direct semver-range package may have been published since the last time your packages were installed, and thus a newer version will be used. |
||||
|
|
||||
|
* A dependency of one of your dependencies may have published a new version, which will update even if you used pinned dependency specifiers (`1.2.3` instead of `^1.2.3`) |
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|
|
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|
* The registry you installed from is no longer available, or allows mutation of versions (unlike the primary npm registry), and a different version of a package exists under the same version number now. |
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|
|
||||
|
As an example, consider package A: |
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|
|
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|
{ |
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|
"name": "A", |
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|
"version": "0.1.0", |
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|
"dependencies": { |
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|
"B": "<0.1.0" |
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|
} |
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|
} |
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|
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|
package B: |
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|
|
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{ |
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|
"name": "B", |
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"version": "0.0.1", |
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|
"dependencies": { |
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|
"C": "<0.1.0" |
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|
} |
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} |
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|
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|
and package C: |
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|
|
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|
{ |
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|
"name": "C", |
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|
"version": "0.0.1" |
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|
} |
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|
|
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|
If these are the only versions of A, B, and C available in the |
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|
registry, then a normal `npm install A` will install: |
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|
|
||||
|
A@0.1.0 |
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|
`-- B@0.0.1 |
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|
`-- C@0.0.1 |
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|
|
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|
However, if B@0.0.2 is published, then a fresh `npm install A` will |
||||
|
install: |
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|
|
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|
A@0.1.0 |
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|
`-- B@0.0.2 |
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|
`-- C@0.0.1 |
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|
|
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|
assuming the new version did not modify B's dependencies. Of course, |
||||
|
the new version of B could include a new version of C and any number |
||||
|
of new dependencies. If such changes are undesirable, the author of A |
||||
|
could specify a dependency on B@0.0.1. However, if A's author and B's |
||||
|
author are not the same person, there's no way for A's author to say |
||||
|
that he or she does not want to pull in newly published versions of C |
||||
|
when B hasn't changed at all. |
||||
|
|
||||
|
To prevent this potential issue, npm uses package-lock.json(5) or, if present, |
||||
|
npm-shrinkwrap.json(5). These files are called package locks, or lockfiles. |
||||
|
|
||||
|
Whenever you run `npm install`, npm generates or updates your package lock, |
||||
|
which will look something like this: |
||||
|
|
||||
|
{ |
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|
"name": "A", |
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|
"version": "0.1.0", |
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|
...metadata fields... |
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|
"dependencies": { |
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|
"B": { |
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|
"version": "0.0.1", |
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|
"resolved": "https://registry.npmjs.org/B/-/B-0.0.1.tgz", |
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|
"integrity": "sha512-DeAdb33F+" |
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|
"dependencies": { |
||||
|
"C": { |
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|
"version": "git://github.com/org/C.git#5c380ae319fc4efe9e7f2d9c78b0faa588fd99b4" |
||||
|
} |
||||
|
} |
||||
|
} |
||||
|
} |
||||
|
} |
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|
|
||||
|
This file describes an *exact*, and more importantly *reproducible* |
||||
|
`node_modules` tree. Once it's present, and future installation will base its |
||||
|
work off this file, instead of recalculating dependency versions off |
||||
|
package.json(5). |
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|
|
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|
The presence of a package lock changes the installation behavior such that: |
||||
|
|
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|
1. The module tree described by the package lock is reproduced. This means |
||||
|
reproducing the structure described in the file, using the specific files |
||||
|
referenced in "resolved" if available, falling back to normal package resolution |
||||
|
using "version" if one isn't. |
||||
|
|
||||
|
2. The tree is walked and any missing dependencies are installed in the usual |
||||
|
fashion. |
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|
|
||||
|
If `preshrinkwrap`, `shrinkwrap` or `postshrinkwrap` are in the `scripts` |
||||
|
property of the `package.json`, they will be executed in order. `preshrinkwrap` |
||||
|
and `shrinkwrap` are executed before the shrinkwrap, `postshrinkwrap` is |
||||
|
executed afterwards. These scripts run for both `package-lock.json` and |
||||
|
`npm-shrinkwrap.json`. For example to run some postprocessing on the generated |
||||
|
file: |
||||
|
|
||||
|
"scripts": { |
||||
|
"postshrinkwrap": "json -I -e \"this.myMetadata = $MY_APP_METADATA\"" |
||||
|
} |
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|
|
||||
|
|
||||
|
### Using locked packages |
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|
|
||||
|
Using a locked package is no different than using any package without a package |
||||
|
lock: any commands that update `node_modules` and/or `package.json`'s |
||||
|
dependencies will automatically sync the existing lockfile. This includes `npm |
||||
|
install`, `npm rm`, `npm update`, etc. To prevent this update from happening, |
||||
|
you can use the `--no-save` option to prevent saving altogether, or |
||||
|
`--no-shrinkwrap` to allow `package.json` to be updated while leaving |
||||
|
`package-lock.json` or `npm-shrinkwrap.json` intact. |
||||
|
|
||||
|
It is highly recommended you commit the generated package lock to source |
||||
|
control: this will allow anyone else on your team, your deployments, your |
||||
|
CI/continuous integration, and anyone else who runs `npm install` in your |
||||
|
package source to get the exact same dependency tree that you were developing |
||||
|
on. Additionally, the diffs from these changes are human-readable and will |
||||
|
inform you of any changes npm has made to your `node_modules`, so you can notice |
||||
|
if any transitive dependencies were updated, hoisted, etc. |
||||
|
|
||||
|
## SEE ALSO |
||||
|
|
||||
|
* https://medium.com/@sdboyer/so-you-want-to-write-a-package-manager-4ae9c17d9527 |
||||
|
* package.json(5) |
||||
|
* package-lock.json(5) |
||||
|
* npm-shrinkwrap.json(5) |
||||
|
* npm-shrinkwrap(1) |
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@ -0,0 +1,27 @@ |
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|
npm-shrinkwrap.json(5) -- A publishable lockfile |
||||
|
===================================================== |
||||
|
|
||||
|
## DESCRIPTION |
||||
|
|
||||
|
`npm-shrinkwrap.json` is a file created by npm-shrinkwrap(1). It is identical to |
||||
|
`package-lock.json`, with one major caveat: Unlike `package-lock.json`, |
||||
|
`npm-shrinwkrap.json` may be included when publishing a package. |
||||
|
|
||||
|
The recommended use-case for `npm-shrinkwrap.json` is applications deployed |
||||
|
through the publishing process on the registry: for example, daemons and |
||||
|
command-line tools intended as global installs or `devDependencies`. It's |
||||
|
strongly discouraged for library authors to publish this file, since that would |
||||
|
prevent end users from having control over transitive dependency updates. |
||||
|
|
||||
|
Additionally, if both `package-lock.json` and `npm-shrinwkrap.json` are present |
||||
|
in a package root, `package-lock.json` will be ignored in favor of this file. |
||||
|
|
||||
|
For full details and description of the `npm-shrinkwrap.json` file format, refer |
||||
|
to the manual page for package-lock.json(5). |
||||
|
|
||||
|
## SEE ALSO |
||||
|
|
||||
|
* npm-shrinkwrap(1) |
||||
|
* package-lock.json(5) |
||||
|
* package.json(5) |
||||
|
* npm-install(1) |
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@ -0,0 +1,132 @@ |
|||||
|
package-lock.json(5) -- A manifestation of the manifest |
||||
|
===================================================== |
||||
|
|
||||
|
## DESCRIPTION |
||||
|
|
||||
|
`package-lock.json` is automatically generated for any operations where npm |
||||
|
modifies either the `node_modules` tree, or `package.json`. It describes the |
||||
|
exact tree that was generated, such that subsequent installs are able to |
||||
|
generate identical trees, regardless of intermediate dependency updates. |
||||
|
|
||||
|
This file is intended to be committed into source repositories, and serves |
||||
|
various purposes: |
||||
|
|
||||
|
* Describe a single representation of a dependency tree such that teammates, deployments, and continuous integration are guaranteed to install exactly the same dependencies. |
||||
|
|
||||
|
* Provide a facility for users to "time-travel" to previous states of `node_modules` without having to commit the directory itself. |
||||
|
|
||||
|
* To facilitate greater visibility of tree changes through readable source control diffs. |
||||
|
|
||||
|
* And optimize the installation process by allowing npm to skip repeated metadata resolutions for previously-installed packages. |
||||
|
|
||||
|
One key detail about `package-lock.json` is that it cannot be published, and it |
||||
|
will be ignored if found in any place other than the toplevel package. It shares |
||||
|
a format with npm-shrinkwrap.json(5), which is essentially the same file, but |
||||
|
allows publication. This is not recommended unless deploying a CLI tool or |
||||
|
otherwise using the publication process for producing production packages. |
||||
|
|
||||
|
If both `package-lock.json` and `npm-shrinkwrap.json` are present in the root of |
||||
|
a package, `package-lock.json` will be completely ignored. |
||||
|
|
||||
|
|
||||
|
## FILE FORMAT |
||||
|
|
||||
|
### name |
||||
|
|
||||
|
The name of the package this is a package-lock for. This must match what's in |
||||
|
`package.json`. |
||||
|
|
||||
|
### version |
||||
|
|
||||
|
The version of the package this is a package-lock for. This must match what's in |
||||
|
`package.json`. |
||||
|
|
||||
|
### lockfileVersion |
||||
|
|
||||
|
An integer version, starting at `1` with the version number of this document |
||||
|
whose semantics were used when generating this `package-lock.json`. |
||||
|
|
||||
|
### packageIntegrity |
||||
|
|
||||
|
This is a [subresource |
||||
|
integrity](https://w3c.github.io/webappsec/specs/subresourceintegrity/) value |
||||
|
created from the `pacakge.json`. No preprocessing of the `package.json` should |
||||
|
be done. Subresource integrity strings can be produced by modules like |
||||
|
[`ssri`](https://www.npmjs.com/package/ssri). |
||||
|
|
||||
|
### preserveSymlinks |
||||
|
|
||||
|
Indicates that the install was done with the environment variable |
||||
|
`NODE_PRESERVE_SYMLINKS` enabled. The installer should insist that the value of |
||||
|
this property match that environment variable. |
||||
|
|
||||
|
### dependencies |
||||
|
|
||||
|
A mapping of package name to dependency object. Dependency objects have the |
||||
|
following properties: |
||||
|
|
||||
|
#### version |
||||
|
|
||||
|
This is a specifier that uniquely identifies this package and should be |
||||
|
usable in fetching a new copy of it. |
||||
|
|
||||
|
* bundled dependencies: Regardless of source, this is a version number that is purely for informational purposes. |
||||
|
* registry sources: This is a version number. (eg, `1.2.3`) |
||||
|
* git sources: This is a git specifier with resolved committish. (eg, `git+https://example.com/foo/bar#115311855adb0789a0466714ed48a1499ffea97e`) |
||||
|
* http tarball sources: This is the URL of the tarball. (eg, `https://example.com/example-1.3.0.tgz`) |
||||
|
* local tarball sources: This is the file URL of the tarball. (eg `file:///opt/storage/example-1.3.0.tgz`) |
||||
|
* local link sources: This is the file URL of the link. (eg `file:libs/our-module`) |
||||
|
|
||||
|
#### integrity |
||||
|
|
||||
|
This is a [Standard Subresource |
||||
|
Integrity](https://w3c.github.io/webappsec/specs/subresourceintegrity/) for this |
||||
|
resource. |
||||
|
|
||||
|
* For bundled dependencies this is not included, regardless of source. |
||||
|
* For registry sources, this is the `integrity` that the registry provided, or if one wasn't provided the SHA1 in `shasum`. |
||||
|
* For git sources this is the specific commit hash we cloned from. |
||||
|
* For remote tarball sources this is an integrity based on a SHA512 of |
||||
|
the file. |
||||
|
* For local tarball sources: This is an integrity field based on the SHA512 of the file. |
||||
|
|
||||
|
#### resolved |
||||
|
|
||||
|
* For bundled dependencies this is not included, regardless of source. |
||||
|
* For registry sources this is path of the tarball relative to the registry |
||||
|
URL. If the tarball URL isn't on the same server as the registry URL then |
||||
|
this is a complete URL. |
||||
|
|
||||
|
#### bundled |
||||
|
|
||||
|
If true, this is the bundled dependency and will be installed by the parent |
||||
|
module. When installing, this module will be extracted from the parent |
||||
|
module during the extract phase, not installed as a separate dependency. |
||||
|
|
||||
|
#### dev |
||||
|
|
||||
|
If true then this dependency is either a development dependency ONLY of the |
||||
|
top level module or a transitive dependency of one. This is false for |
||||
|
dependencies that are both a development dependency of the top level and a |
||||
|
transitive dependency of a non-development dependency of the top level. |
||||
|
|
||||
|
#### optional |
||||
|
|
||||
|
If true then this dependency is either an optional dependency ONLY of the |
||||
|
top level module or a transitive dependency of one. This is false for |
||||
|
dependencies that are both an optional dependency of the top level and a |
||||
|
transitive dependency of a non-optional dependency of the top level. |
||||
|
|
||||
|
All optional dependencies should be included even if they're uninstallable |
||||
|
on the current platform. |
||||
|
|
||||
|
#### dependencies |
||||
|
|
||||
|
The dependencies of this dependency, exactly as at the top level. |
||||
|
|
||||
|
## SEE ALSO |
||||
|
|
||||
|
* npm-shrinkwrap(1) |
||||
|
* package-lock.json(5) |
||||
|
* package.json(5) |
||||
|
* npm-install(1) |
||||
@ -0,0 +1,148 @@ |
|||||
|
<!doctype html> |
||||
|
<html> |
||||
|
<title>npm-package-locks</title> |
||||
|
<meta charset="utf-8"> |
||||
|
<link rel="stylesheet" type="text/css" href="../../static/style.css"> |
||||
|
<link rel="canonical" href="https://www.npmjs.org/doc/files/npm-package-locks.html"> |
||||
|
<script async=true src="../../static/toc.js"></script> |
||||
|
|
||||
|
<body> |
||||
|
<div id="wrapper"> |
||||
|
|
||||
|
<h1><a href="../files/npm-package-locks.html">npm-package-locks</a></h1> <p>An explanation of npm lockfiles</p> |
||||
|
<h2 id="description">DESCRIPTION</h2> |
||||
|
<p>Conceptually, the "input" to <a href="../cli/npm-install.html">npm-install(1)</a> is a <a href="../files/package.json.html">package.json(5)</a>, while its |
||||
|
"output" is a fully-formed <code>node_modules</code> tree: a representation of the |
||||
|
dependencies you declared. In an ideal world, npm would work like a pure |
||||
|
function: the same <code>package.json</code> should produce the exact same <code>node_modules</code> |
||||
|
tree, any time. In some cases, this is indeed true. But in many others, npm is |
||||
|
unable to do this. There are multiple reasons for this:</p> |
||||
|
<ul> |
||||
|
<li><p>different versions of npm (or other package managers) may have been used to install a package, each using slightly different installation algorithms.</p> |
||||
|
</li> |
||||
|
<li><p>a new version of a direct semver-range package may have been published since the last time your packages were installed, and thus a newer version will be used.</p> |
||||
|
</li> |
||||
|
<li><p>A dependency of one of your dependencies may have published a new version, which will update even if you used pinned dependency specifiers (<code>1.2.3</code> instead of <code>^1.2.3</code>)</p> |
||||
|
</li> |
||||
|
<li><p>The registry you installed from is no longer available, or allows mutation of versions (unlike the primary npm registry), and a different version of a package exists under the same version number now.</p> |
||||
|
</li> |
||||
|
</ul> |
||||
|
<p>As an example, consider package A:</p> |
||||
|
<pre><code>{ |
||||
|
"name": "A", |
||||
|
"version": "0.1.0", |
||||
|
"dependencies": { |
||||
|
"B": "<0.1.0" |
||||
|
} |
||||
|
} |
||||
|
</code></pre><p>package B:</p> |
||||
|
<pre><code>{ |
||||
|
"name": "B", |
||||
|
"version": "0.0.1", |
||||
|
"dependencies": { |
||||
|
"C": "<0.1.0" |
||||
|
} |
||||
|
} |
||||
|
</code></pre><p>and package C:</p> |
||||
|
<pre><code>{ |
||||
|
"name": "C", |
||||
|
"version": "0.0.1" |
||||
|
} |
||||
|
</code></pre><p>If these are the only versions of A, B, and C available in the |
||||
|
registry, then a normal <code>npm install A</code> will install:</p> |
||||
|
<pre><code>A@0.1.0 |
||||
|
`-- B@0.0.1 |
||||
|
`-- C@0.0.1 |
||||
|
</code></pre><p>However, if B@0.0.2 is published, then a fresh <code>npm install A</code> will |
||||
|
install:</p> |
||||
|
<pre><code>A@0.1.0 |
||||
|
`-- B@0.0.2 |
||||
|
`-- C@0.0.1 |
||||
|
</code></pre><p>assuming the new version did not modify B's dependencies. Of course, |
||||
|
the new version of B could include a new version of C and any number |
||||
|
of new dependencies. If such changes are undesirable, the author of A |
||||
|
could specify a dependency on B@0.0.1. However, if A's author and B's |
||||
|
author are not the same person, there's no way for A's author to say |
||||
|
that he or she does not want to pull in newly published versions of C |
||||
|
when B hasn't changed at all.</p> |
||||
|
<p>To prevent this potential issue, npm uses <a href="../files/package-lock.json.html">package-lock.json(5)</a> or, if present, |
||||
|
n<a href="../files/pm-shrinkwrap.json.html">pm-shrinkwrap.json(5)</a>. These files are called package locks, or lockfiles.</p> |
||||
|
<p>Whenever you run <code>npm install</code>, npm generates or updates your package lock, |
||||
|
which will look something like this:</p> |
||||
|
<pre><code>{ |
||||
|
"name": "A", |
||||
|
"version": "0.1.0", |
||||
|
...metadata fields... |
||||
|
"dependencies": { |
||||
|
"B": { |
||||
|
"version": "0.0.1", |
||||
|
"resolved": "https://registry.npmjs.org/B/-/B-0.0.1.tgz", |
||||
|
"integrity": "sha512-DeAdb33F+" |
||||
|
"dependencies": { |
||||
|
"C": { |
||||
|
"version": "git://github.com/org/C.git#5c380ae319fc4efe9e7f2d9c78b0faa588fd99b4" |
||||
|
} |
||||
|
} |
||||
|
} |
||||
|
} |
||||
|
} |
||||
|
</code></pre><p>This file describes an <em>exact</em>, and more importantly <em>reproducible</em> |
||||
|
<code>node_modules</code> tree. Once it's present, and future installation will base its |
||||
|
work off this file, instead of recalculating dependency versions off |
||||
|
p<a href="../files/ackage.json.html">ackage.json(5)</a>.</p> |
||||
|
<p>The presence of a package lock changes the installation behavior such that:</p> |
||||
|
<ol> |
||||
|
<li><p>The module tree described by the package lock is reproduced. This means |
||||
|
reproducing the structure described in the file, using the specific files |
||||
|
referenced in "resolved" if available, falling back to normal package resolution |
||||
|
using "version" if one isn't.</p> |
||||
|
</li> |
||||
|
<li><p>The tree is walked and any missing dependencies are installed in the usual |
||||
|
fashion.</p> |
||||
|
</li> |
||||
|
</ol> |
||||
|
<p>If <code>preshrinkwrap</code>, <code>shrinkwrap</code> or <code>postshrinkwrap</code> are in the <code>scripts</code> |
||||
|
property of the <code>package.json</code>, they will be executed in order. <code>preshrinkwrap</code> |
||||
|
and <code>shrinkwrap</code> are executed before the shrinkwrap, <code>postshrinkwrap</code> is |
||||
|
executed afterwards. These scripts run for both <code>package-lock.json</code> and |
||||
|
<code>npm-shrinkwrap.json</code>. For example to run some postprocessing on the generated |
||||
|
file:</p> |
||||
|
<pre><code>"scripts": { |
||||
|
"postshrinkwrap": "json -I -e \"this.myMetadata = $MY_APP_METADATA\"" |
||||
|
} |
||||
|
</code></pre><h3 id="using-locked-packages">Using locked packages</h3> |
||||
|
<p>Using a locked package is no different than using any package without a package |
||||
|
lock: any commands that update <code>node_modules</code> and/or <code>package.json</code>'s |
||||
|
dependencies will automatically sync the existing lockfile. This includes <code>npm |
||||
|
install</code>, <code>npm rm</code>, <code>npm update</code>, etc. To prevent this update from happening, |
||||
|
you can use the <code>--no-save</code> option to prevent saving altogether, or |
||||
|
<code>--no-shrinkwrap</code> to allow <code>package.json</code> to be updated while leaving |
||||
|
<code>package-lock.json</code> or <code>npm-shrinkwrap.json</code> intact.</p> |
||||
|
<p>It is highly recommended you commit the generated package lock to source |
||||
|
control: this will allow anyone else on your team, your deployments, your |
||||
|
CI/continuous integration, and anyone else who runs <code>npm install</code> in your |
||||
|
package source to get the exact same dependency tree that you were developing |
||||
|
on. Additionally, the diffs from these changes are human-readable and will |
||||
|
inform you of any changes npm has made to your <code>node_modules</code>, so you can notice |
||||
|
if any transitive dependencies were updated, hoisted, etc.</p> |
||||
|
<h2 id="see-also">SEE ALSO</h2> |
||||
|
<ul> |
||||
|
<li><a href="https://medium.com/@sdboyer/so-you-want-to-write-a-package-manager-4ae9c17d9527">https://medium.com/@sdboyer/so-you-want-to-write-a-package-manager-4ae9c17d9527</a></li> |
||||
|
<li><a href="../files/package.json.html">package.json(5)</a></li> |
||||
|
<li><a href="../files/package-lock.json.html">package-lock.json(5)</a></li> |
||||
|
<li><a href="../files/npm-shrinkwrap.json.html">npm-shrinkwrap.json(5)</a></li> |
||||
|
<li><a href="../cli/npm-shrinkwrap.html">npm-shrinkwrap(1)</a></li> |
||||
|
</ul> |
||||
|
|
||||
|
</div> |
||||
|
|
||||
|
<table border=0 cellspacing=0 cellpadding=0 id=npmlogo> |
||||
|
<tr><td style="width:180px;height:10px;background:rgb(237,127,127)" colspan=18> </td></tr> |
||||
|
<tr><td rowspan=4 style="width:10px;height:10px;background:rgb(237,127,127)"> </td><td style="width:40px;height:10px;background:#fff" colspan=4> </td><td style="width:10px;height:10px;background:rgb(237,127,127)" rowspan=4> </td><td style="width:40px;height:10px;background:#fff" colspan=4> </td><td rowspan=4 style="width:10px;height:10px;background:rgb(237,127,127)"> </td><td colspan=6 style="width:60px;height:10px;background:#fff"> </td><td style="width:10px;height:10px;background:rgb(237,127,127)" rowspan=4> </td></tr> |
||||
|
<tr><td colspan=2 style="width:20px;height:30px;background:#fff" rowspan=3> </td><td style="width:10px;height:10px;background:rgb(237,127,127)" rowspan=3> </td><td style="width:10px;height:10px;background:#fff" rowspan=3> </td><td style="width:20px;height:10px;background:#fff" rowspan=4 colspan=2> </td><td style="width:10px;height:20px;background:rgb(237,127,127)" rowspan=2> </td><td style="width:10px;height:10px;background:#fff" rowspan=3> </td><td style="width:20px;height:10px;background:#fff" rowspan=3 colspan=2> </td><td style="width:10px;height:10px;background:rgb(237,127,127)" rowspan=3> </td><td style="width:10px;height:10px;background:#fff" rowspan=3> </td><td style="width:10px;height:10px;background:rgb(237,127,127)" rowspan=3> </td></tr> |
||||
|
<tr><td style="width:10px;height:10px;background:#fff" rowspan=2> </td></tr> |
||||
|
<tr><td style="width:10px;height:10px;background:#fff"> </td></tr> |
||||
|
<tr><td style="width:60px;height:10px;background:rgb(237,127,127)" colspan=6> </td><td colspan=10 style="width:10px;height:10px;background:rgb(237,127,127)"> </td></tr> |
||||
|
<tr><td colspan=5 style="width:50px;height:10px;background:#fff"> </td><td style="width:40px;height:10px;background:rgb(237,127,127)" colspan=4> </td><td style="width:90px;height:10px;background:#fff" colspan=9> </td></tr> |
||||
|
</table> |
||||
|
<p id="footer">npm-package-locks — npm@5.0.0</p> |
||||
@ -0,0 +1,45 @@ |
|||||
|
<!doctype html> |
||||
|
<html> |
||||
|
<title>npm-shrinkwrap.json</title> |
||||
|
<meta charset="utf-8"> |
||||
|
<link rel="stylesheet" type="text/css" href="../../static/style.css"> |
||||
|
<link rel="canonical" href="https://www.npmjs.org/doc/files/npm-shrinkwrap.json.html"> |
||||
|
<script async=true src="../../static/toc.js"></script> |
||||
|
|
||||
|
<body> |
||||
|
<div id="wrapper"> |
||||
|
|
||||
|
<h1><a href="../files/npm-shrinkwrap.json.html">npm-shrinkwrap.json</a></h1> <p>A publishable lockfile</p> |
||||
|
<h2 id="description">DESCRIPTION</h2> |
||||
|
<p><code>npm-shrinkwrap.json</code> is a file created by <a href="../cli/npm-shrinkwrap.html">npm-shrinkwrap(1)</a>. It is identical to |
||||
|
<code>package-lock.json</code>, with one major caveat: Unlike <code>package-lock.json</code>, |
||||
|
<code>npm-shrinwkrap.json</code> may be included when publishing a package.</p> |
||||
|
<p>The recommended use-case for <code>npm-shrinkwrap.json</code> is applications deployed |
||||
|
through the publishing process on the registry: for example, daemons and |
||||
|
command-line tools intended as global installs or <code>devDependencies</code>. It's |
||||
|
strongly discouraged for library authors to publish this file, since that would |
||||
|
prevent end users from having control over transitive dependency updates.</p> |
||||
|
<p>Additionally, if both <code>package-lock.json</code> and <code>npm-shrinwkrap.json</code> are present |
||||
|
in a package root, <code>package-lock.json</code> will be ignored in favor of this file.</p> |
||||
|
<p>For full details and description of the <code>npm-shrinkwrap.json</code> file format, refer |
||||
|
to the manual page for <a href="../files/package-lock.json.html">package-lock.json(5)</a>.</p> |
||||
|
<h2 id="see-also">SEE ALSO</h2> |
||||
|
<ul> |
||||
|
<li><a href="../cli/npm-shrinkwrap.html">npm-shrinkwrap(1)</a></li> |
||||
|
<li><a href="../files/package-lock.json.html">package-lock.json(5)</a></li> |
||||
|
<li><a href="../files/package.json.html">package.json(5)</a></li> |
||||
|
<li><a href="../cli/npm-install.html">npm-install(1)</a></li> |
||||
|
</ul> |
||||
|
|
||||
|
</div> |
||||
|
|
||||
|
<table border=0 cellspacing=0 cellpadding=0 id=npmlogo> |
||||
|
<tr><td style="width:180px;height:10px;background:rgb(237,127,127)" colspan=18> </td></tr> |
||||
|
<tr><td rowspan=4 style="width:10px;height:10px;background:rgb(237,127,127)"> </td><td style="width:40px;height:10px;background:#fff" colspan=4> </td><td style="width:10px;height:10px;background:rgb(237,127,127)" rowspan=4> </td><td style="width:40px;height:10px;background:#fff" colspan=4> </td><td rowspan=4 style="width:10px;height:10px;background:rgb(237,127,127)"> </td><td colspan=6 style="width:60px;height:10px;background:#fff"> </td><td style="width:10px;height:10px;background:rgb(237,127,127)" rowspan=4> </td></tr> |
||||
|
<tr><td colspan=2 style="width:20px;height:30px;background:#fff" rowspan=3> </td><td style="width:10px;height:10px;background:rgb(237,127,127)" rowspan=3> </td><td style="width:10px;height:10px;background:#fff" rowspan=3> </td><td style="width:20px;height:10px;background:#fff" rowspan=4 colspan=2> </td><td style="width:10px;height:20px;background:rgb(237,127,127)" rowspan=2> </td><td style="width:10px;height:10px;background:#fff" rowspan=3> </td><td style="width:20px;height:10px;background:#fff" rowspan=3 colspan=2> </td><td style="width:10px;height:10px;background:rgb(237,127,127)" rowspan=3> </td><td style="width:10px;height:10px;background:#fff" rowspan=3> </td><td style="width:10px;height:10px;background:rgb(237,127,127)" rowspan=3> </td></tr> |
||||
|
<tr><td style="width:10px;height:10px;background:#fff" rowspan=2> </td></tr> |
||||
|
<tr><td style="width:10px;height:10px;background:#fff"> </td></tr> |
||||
|
<tr><td style="width:60px;height:10px;background:rgb(237,127,127)" colspan=6> </td><td colspan=10 style="width:10px;height:10px;background:rgb(237,127,127)"> </td></tr> |
||||
|
<tr><td colspan=5 style="width:50px;height:10px;background:#fff"> </td><td style="width:40px;height:10px;background:rgb(237,127,127)" colspan=4> </td><td style="width:90px;height:10px;background:#fff" colspan=9> </td></tr> |
||||
|
</table> |
||||
|
<p id="footer">npm-shrinkwrap.json — npm@5.0.0</p> |
||||
@ -0,0 +1,127 @@ |
|||||
|
<!doctype html> |
||||
|
<html> |
||||
|
<title>package-lock.json</title> |
||||
|
<meta charset="utf-8"> |
||||
|
<link rel="stylesheet" type="text/css" href="../../static/style.css"> |
||||
|
<link rel="canonical" href="https://www.npmjs.org/doc/files/package-lock.json.html"> |
||||
|
<script async=true src="../../static/toc.js"></script> |
||||
|
|
||||
|
<body> |
||||
|
<div id="wrapper"> |
||||
|
|
||||
|
<h1><a href="../files/package-lock.json.html">package-lock.json</a></h1> <p>A manifestation of the manifest</p> |
||||
|
<h2 id="description">DESCRIPTION</h2> |
||||
|
<p><code>package-lock.json</code> is automatically generated for any operations where npm |
||||
|
modifies either the <code>node_modules</code> tree, or <code>package.json</code>. It describes the |
||||
|
exact tree that was generated, such that subsequent installs are able to |
||||
|
generate identical trees, regardless of intermediate dependency updates.</p> |
||||
|
<p>This file is intended to be committed into source repositories, and serves |
||||
|
various purposes:</p> |
||||
|
<ul> |
||||
|
<li><p>Describe a single representation of a dependency tree such that teammates, deployments, and continuous integration are guaranteed to install exactly the same dependencies.</p> |
||||
|
</li> |
||||
|
<li><p>Provide a facility for users to "time-travel" to previous states of <code>node_modules</code> without having to commit the directory itself.</p> |
||||
|
</li> |
||||
|
<li><p>To facilitate greater visibility of tree changes through readable source control diffs.</p> |
||||
|
</li> |
||||
|
<li><p>And optimize the installation process by allowing npm to skip repeated metadata resolutions for previously-installed packages.</p> |
||||
|
</li> |
||||
|
</ul> |
||||
|
<p>One key detail about <code>package-lock.json</code> is that it cannot be published, and it |
||||
|
will be ignored if found in any place other than the toplevel package. It shares |
||||
|
a format with <a href="../files/npm-shrinkwrap.json.html">npm-shrinkwrap.json(5)</a>, which is essentially the same file, but |
||||
|
allows publication. This is not recommended unless deploying a CLI tool or |
||||
|
otherwise using the publication process for producing production packages.</p> |
||||
|
<p>If both <code>package-lock.json</code> and <code>npm-shrinkwrap.json</code> are present in the root of |
||||
|
a package, <code>package-lock.json</code> will be completely ignored.</p> |
||||
|
<h2 id="file-format">FILE FORMAT</h2> |
||||
|
<h3 id="name">name</h3> |
||||
|
<p>The name of the package this is a package-lock for. This must match what's in |
||||
|
<code>package.json</code>.</p> |
||||
|
<h3 id="version">version</h3> |
||||
|
<p>The version of the package this is a package-lock for. This must match what's in |
||||
|
<code>package.json</code>.</p> |
||||
|
<h3 id="lockfileversion">lockfileVersion</h3> |
||||
|
<p>An integer version, starting at <code>1</code> with the version number of this document |
||||
|
whose semantics were used when generating this <code>package-lock.json</code>.</p> |
||||
|
<h3 id="packageintegrity">packageIntegrity</h3> |
||||
|
<p>This is a <a href="https://w3c.github.io/webappsec/specs/subresourceintegrity/">subresource |
||||
|
integrity</a> value |
||||
|
created from the <code>pacakge.json</code>. No preprocessing of the <code>package.json</code> should |
||||
|
be done. Subresource integrity strings can be produced by modules like |
||||
|
<a href="https://www.npmjs.com/package/ssri"><code>ssri</code></a>.</p> |
||||
|
<h3 id="preservesymlinks">preserveSymlinks</h3> |
||||
|
<p>Indicates that the install was done with the environment variable |
||||
|
<code>NODE_PRESERVE_SYMLINKS</code> enabled. The installer should insist that the value of |
||||
|
this property match that environment variable.</p> |
||||
|
<h3 id="dependencies">dependencies</h3> |
||||
|
<p>A mapping of package name to dependency object. Dependency objects have the |
||||
|
following properties:</p> |
||||
|
<h4 id="version">version</h4> |
||||
|
<p>This is a specifier that uniquely identifies this package and should be |
||||
|
usable in fetching a new copy of it.</p> |
||||
|
<ul> |
||||
|
<li>bundled dependencies: Regardless of source, this is a version number that is purely for informational purposes.</li> |
||||
|
<li>registry sources: This is a version number. (eg, <code>1.2.3</code>)</li> |
||||
|
<li>git sources: This is a git specifier with resolved committish. (eg, <code>git+https://example.com/foo/bar#115311855adb0789a0466714ed48a1499ffea97e</code>)</li> |
||||
|
<li>http tarball sources: This is the URL of the tarball. (eg, <code>https://example.com/example-1.3.0.tgz</code>)</li> |
||||
|
<li>local tarball sources: This is the file URL of the tarball. (eg <code>file:///opt/storage/example-1.3.0.tgz</code>)</li> |
||||
|
<li>local link sources: This is the file URL of the link. (eg <code>file:libs/our-module</code>)</li> |
||||
|
</ul> |
||||
|
<h4 id="integrity">integrity</h4> |
||||
|
<p>This is a <a href="https://w3c.github.io/webappsec/specs/subresourceintegrity/">Standard Subresource |
||||
|
Integrity</a> for this |
||||
|
resource.</p> |
||||
|
<ul> |
||||
|
<li>For bundled dependencies this is not included, regardless of source.</li> |
||||
|
<li>For registry sources, this is the <code>integrity</code> that the registry provided, or if one wasn't provided the SHA1 in <code>shasum</code>.</li> |
||||
|
<li>For git sources this is the specific commit hash we cloned from.</li> |
||||
|
<li>For remote tarball sources this is an integrity based on a SHA512 of |
||||
|
the file.</li> |
||||
|
<li>For local tarball sources: This is an integrity field based on the SHA512 of the file.</li> |
||||
|
</ul> |
||||
|
<h4 id="resolved">resolved</h4> |
||||
|
<ul> |
||||
|
<li>For bundled dependencies this is not included, regardless of source.</li> |
||||
|
<li>For registry sources this is path of the tarball relative to the registry |
||||
|
URL. If the tarball URL isn't on the same server as the registry URL then |
||||
|
this is a complete URL.</li> |
||||
|
</ul> |
||||
|
<h4 id="bundled">bundled</h4> |
||||
|
<p>If true, this is the bundled dependency and will be installed by the parent |
||||
|
module. When installing, this module will be extracted from the parent |
||||
|
module during the extract phase, not installed as a separate dependency.</p> |
||||
|
<h4 id="dev">dev</h4> |
||||
|
<p>If true then this dependency is either a development dependency ONLY of the |
||||
|
top level module or a transitive dependency of one. This is false for |
||||
|
dependencies that are both a development dependency of the top level and a |
||||
|
transitive dependency of a non-development dependency of the top level.</p> |
||||
|
<h4 id="optional">optional</h4> |
||||
|
<p>If true then this dependency is either an optional dependency ONLY of the |
||||
|
top level module or a transitive dependency of one. This is false for |
||||
|
dependencies that are both an optional dependency of the top level and a |
||||
|
transitive dependency of a non-optional dependency of the top level.</p> |
||||
|
<p>All optional dependencies should be included even if they're uninstallable |
||||
|
on the current platform.</p> |
||||
|
<h4 id="dependencies">dependencies</h4> |
||||
|
<p>The dependencies of this dependency, exactly as at the top level.</p> |
||||
|
<h2 id="see-also">SEE ALSO</h2> |
||||
|
<ul> |
||||
|
<li><a href="../cli/npm-shrinkwrap.html">npm-shrinkwrap(1)</a></li> |
||||
|
<li><a href="../files/package-lock.json.html">package-lock.json(5)</a></li> |
||||
|
<li><a href="../files/package.json.html">package.json(5)</a></li> |
||||
|
<li><a href="../cli/npm-install.html">npm-install(1)</a></li> |
||||
|
</ul> |
||||
|
|
||||
|
</div> |
||||
|
|
||||
|
<table border=0 cellspacing=0 cellpadding=0 id=npmlogo> |
||||
|
<tr><td style="width:180px;height:10px;background:rgb(237,127,127)" colspan=18> </td></tr> |
||||
|
<tr><td rowspan=4 style="width:10px;height:10px;background:rgb(237,127,127)"> </td><td style="width:40px;height:10px;background:#fff" colspan=4> </td><td style="width:10px;height:10px;background:rgb(237,127,127)" rowspan=4> </td><td style="width:40px;height:10px;background:#fff" colspan=4> </td><td rowspan=4 style="width:10px;height:10px;background:rgb(237,127,127)"> </td><td colspan=6 style="width:60px;height:10px;background:#fff"> </td><td style="width:10px;height:10px;background:rgb(237,127,127)" rowspan=4> </td></tr> |
||||
|
<tr><td colspan=2 style="width:20px;height:30px;background:#fff" rowspan=3> </td><td style="width:10px;height:10px;background:rgb(237,127,127)" rowspan=3> </td><td style="width:10px;height:10px;background:#fff" rowspan=3> </td><td style="width:20px;height:10px;background:#fff" rowspan=4 colspan=2> </td><td style="width:10px;height:20px;background:rgb(237,127,127)" rowspan=2> </td><td style="width:10px;height:10px;background:#fff" rowspan=3> </td><td style="width:20px;height:10px;background:#fff" rowspan=3 colspan=2> </td><td style="width:10px;height:10px;background:rgb(237,127,127)" rowspan=3> </td><td style="width:10px;height:10px;background:#fff" rowspan=3> </td><td style="width:10px;height:10px;background:rgb(237,127,127)" rowspan=3> </td></tr> |
||||
|
<tr><td style="width:10px;height:10px;background:#fff" rowspan=2> </td></tr> |
||||
|
<tr><td style="width:10px;height:10px;background:#fff"> </td></tr> |
||||
|
<tr><td style="width:60px;height:10px;background:rgb(237,127,127)" colspan=6> </td><td colspan=10 style="width:10px;height:10px;background:rgb(237,127,127)"> </td></tr> |
||||
|
<tr><td colspan=5 style="width:50px;height:10px;background:#fff"> </td><td style="width:40px;height:10px;background:rgb(237,127,127)" colspan=4> </td><td style="width:90px;height:10px;background:#fff" colspan=9> </td></tr> |
||||
|
</table> |
||||
|
<p id="footer">package-lock.json — npm@5.0.0</p> |
||||
@ -1,9 +1,8 @@ |
|||||
'use strict' |
'use strict' |
||||
var lifecycle = require('../../utils/lifecycle.js') |
var lifecycle = require('../../utils/lifecycle.js') |
||||
var packageId = require('../../utils/package-id.js') |
var packageId = require('../../utils/package-id.js') |
||||
var moduleStagingPath = require('../module-staging-path.js') |
|
||||
|
|
||||
module.exports = function (staging, pkg, log, next) { |
module.exports = function (staging, pkg, log, next) { |
||||
log.silly('preinstall', packageId(pkg)) |
log.silly('preinstall', packageId(pkg)) |
||||
lifecycle(pkg.package, 'preinstall', moduleStagingPath(staging, pkg), false, false, next) |
lifecycle(pkg.package, 'preinstall', pkg.path, false, false, next) |
||||
} |
} |
||||
|
|||||
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Reference in new issue