languages/formatters: allow multiple formatters (#1103)

* language/python: allow multiple formatters

* package: add prettier-plugin-astro

* language/astro: fix prettier, remove prettierd

* package: add prettier-plugin-svelte

* language/svelte: fix prettier, remove prettierd

* languages: allow listOf format.type

* deprecations: add warnings for removed format options

* ruby: remove unused variable

* nix: fix outdated references to format.package

* docs: update release note

* treewide: warn deprecation in singleOrListOf

* conform: add definitions for setupOpts.formatters

flake/pkgs/by-name/prettier-plugin-astro/package.nix

@@ -0,0 +1,48 @@
+{
+  stdenv,
+  fetchFromGitHub,
+  nodejs,
+  pnpm_9,
+  pins,
+}: let
+  pin = pins.prettier-plugin-astro;
+in
+  stdenv.mkDerivation (finalAttrs: {
+    pname = "prettier-plugin-astro";
+    version = pin.version or pin.revision;
+
+    src = fetchFromGitHub {
+      inherit (pin.repository) owner repo;
+      rev = finalAttrs.version;
+      sha256 = pin.hash;
+    };
+
+    pnpmDeps = pnpm_9.fetchDeps {
+      inherit (finalAttrs) pname src;
+      fetcherVersion = 2;
+      hash = "sha256-K7pIWLkIIbUKDIcysfEtcf/eVMX9ZgyFHdqcuycHCNE=";
+    };
+
+    nativeBuildInputs = [
+      nodejs
+      pnpm_9.configHook
+    ];
+
+    buildPhase = ''
+      runHook preBuild
+
+      pnpm run build
+
+      runHook postBuild
+    '';
+
+    installPhase = ''
+      runHook preInstall
+
+      # mkdir -p $out/dist
+      cp -r dist/ $out
+      cp -r node_modules $out
+
+      runHook postInstall
+    '';
+  })

flake/pkgs/by-name/prettier-plugin-svelte/package.nix

@@ -0,0 +1,19 @@
+{
+  buildNpmPackage,
+  fetchFromGitHub,
+  pins,
+}: let
+  pin = pins.prettier-plugin-svelte;
+in
+  buildNpmPackage (finalAttrs: {
+    pname = "prettier-plugin-svelte";
+    version = pin.version or pin.revision;
+
+    src = fetchFromGitHub {
+      inherit (pin.repository) owner repo;
+      rev = finalAttrs.version;
+      sha256 = pin.hash;
+    };
+
+    npmDepsHash = "sha256-D+gDdKiIG38jV+M/BqTKf0yYj1KXpbIodtQFdzocpn8=";
+  })