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I used the existing anchors generated by Docbook, so the anchor part should be a no-op. This could be useful depending on the infrastructure we choose to use, and it is better to be explicit than rely on Docbook's id generating algorithms. I got rid of the metadata segments of the Markdown files, because they are outdated, inaccurate, and could make people less willing to change them without speaking with the author.
52 lines
2.3 KiB
Markdown
52 lines
2.3 KiB
Markdown
# Node.js {#node.js}
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The `pkgs/development/node-packages` folder contains a generated collection of
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[NPM packages](https://npmjs.com/) that can be installed with the Nix package
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manager.
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As a rule of thumb, the package set should only provide *end user* software
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packages, such as command-line utilities. Libraries should only be added to the
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package set if there is a non-NPM package that requires it.
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When it is desired to use NPM libraries in a development project, use the
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`node2nix` generator directly on the `package.json` configuration file of the
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project.
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The package set provides support for the official stable Node.js versions.
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The latest stable LTS release in `nodePackages`, as well as the latest stable
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Current release in `nodePackages_latest`.
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If your package uses native addons, you need to examine what kind of native
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build system it uses. Here are some examples:
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* `node-gyp`
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* `node-gyp-builder`
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* `node-pre-gyp`
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After you have identified the correct system, you need to override your package
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expression while adding in build system as a build input. For example, `dat`
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requires `node-gyp-build`, so [we override](https://github.com/NixOS/nixpkgs/blob/32f5e5da4a1b3f0595527f5195ac3a91451e9b56/pkgs/development/node-packages/default.nix#L37-L40) its expression in [`default.nix`](https://github.com/NixOS/nixpkgs/blob/master/pkgs/development/node-packages/default.nix):
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```nix
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dat = super.dat.override {
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buildInputs = [ self.node-gyp-build pkgs.libtool pkgs.autoconf pkgs.automake ];
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meta.broken = since "12";
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};
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```
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To add a package from NPM to nixpkgs:
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1. Modify `pkgs/development/node-packages/node-packages.json` to add, update
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or remove package entries to have it included in `nodePackages` and
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`nodePackages_latest`.
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2. Run the script: `(cd pkgs/development/node-packages && ./generate.sh)`.
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3. Build your new package to test your changes:
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`cd /path/to/nixpkgs && nix-build -A nodePackages.<new-or-updated-package>`.
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To build against the latest stable Current Node.js version (e.g. 14.x):
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`nix-build -A nodePackages_latest.<new-or-updated-package>`
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4. Add and commit all modified and generated files.
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For more information about the generation process, consult the
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[README.md](https://github.com/svanderburg/node2nix) file of the `node2nix`
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tool.
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