docs: clarify postinstall requirements (#48485)

postinstall
This commit is contained in:
Erick Zhao
2025-10-09 00:48:47 -07:00
committed by GitHub
parent df86312e2f
commit 9143f7c6e2
3 changed files with 39 additions and 18 deletions

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@@ -70,11 +70,12 @@ those package managers.
Then, install Electron into your app's **devDependencies**, which is the list of external
development-only package dependencies not required in production.
:::info Why is Electron a devDependency?
:::info Why is Electron a dev dependency?
This may seem counter-intuitive since your production code is running Electron APIs.
However, packaged apps will come bundled with the Electron binary, eliminating the need to specify
it as a production dependency.
This may seem counter-intuitive since your production code is running Electron APIs. Under the hood,
Electron's JavaScript API binds to a binary that contains its implementations. The packaging step for
Electron handles the bundling of this binary, eliminating the need to specify it as a production
dependency.
:::
@@ -82,6 +83,17 @@ it as a production dependency.
npm install electron --save-dev
```
:::warning
In order to correctly install Electron, you need to ensure that its `postinstall` lifecycle
script is able to run. This means avoiding the `--ignore-scripts` flag on npm and allowlisting
`electron` to run build scripts on other package managers.
This is likely to change in a future version of Electron. See
[electron/rfcs#22](https://github.com/electron/rfcs/pull/22) for more details.
:::
Your package.json file should look something like this after initializing your package
and installing Electron. You should also now have a `node_modules` folder containing
the Electron executable, as well as a `package-lock.json` lockfile that specifies