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docs: add section on peerDependenciesMeta field #1822

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docs: add section on peerDependenciesMeta field #1822

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docs: add section on peerDependenciesMeta field in package.json (fixe…
foxxyz Sep 18, 2020
238287d
docs: typo (a your => your)
foxxyz Sep 21, 2020
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24 changes: 24 additions & 0 deletions docs/content/configuring-npm/package-json.md
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Expand Up @@ -718,6 +718,30 @@ the host package's major version will break your plugin. Thus, if you've worked
with every 1.x version of the host package, use `"^1.0"` or `"1.x"` to express
this. If you depend on features introduced in 1.5.2, use `">= 1.5.2 < 2"`.

### peerDependenciesMeta

When a user installs a your package, npm will emit warnings if packages specified in `peerDependencies` are not already installed. The `peerDependenciesMeta` field serves to provide npm more information on how your peer dependencies are to be used. Specifically, it allows peer dependencies to be marked as optional.
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For example:

```json
{
"name": "tea-latte",
"version": "1.3.5",
"peerDependencies": {
"tea": "2.x",
"soy-milk": "1.2"
},
"peerDependenciesMeta": {
"soy-milk": {
"optional": true
}
}
}
```

Marking a peer dependency as optional ensures npm will not emit a warning if the `soy-milk` package is not installed on the host. This allows you to integrate and interact with a variety of host packages without requiring all of them to be installed.

### bundledDependencies

This defines an array of package names that will be bundled when publishing
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