Convert flake-iter to TypeScript

.github/workflows/validate.yml

@@ -15,8 +15,37 @@ jobs:
         uses: actions/checkout@v4
       - uses: DeterminateSystems/determinate-nix-action@v3
       - uses: DeterminateSystems/flakehub-cache-action@main
-      - run: nix develop -c action-validator -v ./.github/workflows/workflow.yml
-      - run: nix develop -c prettier --check .
+
+      - name: Validate workflow
+        run: nix develop -c action-validator -v ./.github/workflows/workflow.yml
+
+      - name: Get npm cache directory
+        id: npm-cache-directory
+        run: |
+          echo "directory=$(nix develop --command npm config get cache | tr -d '\n')" >> $GITHUB_OUTPUT
+
+      - name: Set up npm cache
+        uses: actions/cache@v5
+        with:
+          path: ${{ steps.npm-cache-directory.outputs.directory }}
+          key: ${{ runner.os }}-npm-cache-${{ hashFiles('**/package-lock.json') }}
+          restore-keys: |
+            ${{ runner.os }}-npm-cache
+
+      - name: Install npm dependencies
+        run: nix develop --command npm ci
+
+      - name: Lint
+        run: nix develop --command npm run lint
+
+      - name: Build
+        run: nix develop --command npm run build
+
+      - name: Check git status
+        run: git status --porcelain=v1
+
+      - name: Ensure no staged changes
+        run: git diff --exit-code
 
   DeterminateCI:
     uses: ./.github/workflows/workflow.yml

.github/workflows/workflow.yml

@@ -30,12 +30,6 @@ on:
         required: false
         default: true
         type: boolean
-      flake-iter-flakeref:
-        description: |
-          Flake reference to use for the flake-iter process. Useful for pinning to specific versions should standards require it. Defaults to the latest release available on FlakeHub.
-        type: string
-        required: false
-        default: https://flakehub.com/f/DeterminateSystems/flake-iter/*
       runner-map:
         description: |
           A custom mapping of [Nix system types](https://zero-to-nix.com/concepts/system-specificity) to desired Actions runners
@@ -104,10 +98,9 @@ jobs:
         id: inventory
         env:
           FLAKE_ITER_RUNNER_MAP: ${{ toJson(fromJson(inputs.runner-map)) }}
-          FLAKE_ITER_FLAKEREF: ${{ inputs.flake-iter-flakeref }}
         working-directory: ${{ inputs.directory }}
-        run: |
-          nix run "$FLAKE_ITER_FLAKEREF" -- systems
+        # NodeJS is always available on the runner
+        run: node ${{ github.workspace }}/dist/index.cjs
   build:
     runs-on: ${{ matrix.systems.runner }}
     needs: inventory
@@ -131,9 +124,9 @@ jobs:
       - name: Build for ${{ matrix.systems.nix-system }}
         env:
           FLAKE_ITER_NIX_SYSTEM: ${{ matrix.systems.nix-system }}
-          FLAKE_ITER_FLAKEREF: ${{ inputs.flake-iter-flakeref }}
         working-directory: ${{ inputs.directory }}
-        run: nix run "$FLAKE_ITER_FLAKEREF" -- --verbose build
+        # NodeJS is always available on the runner
+        run: node ${{ github.workspace }}/dist/index.cjs
 
   success:
     runs-on: ubuntu-latest

.gitignore

@@ -0,0 +1 @@
+/node_modules/

.prettierignore

@@ -0,0 +1,3 @@
+dist/
+node_modules/
+package-lock.json

eslint.config.js

@@ -0,0 +1,94 @@
+import gitHubPlugin from "eslint-plugin-github";
+import globals from "globals";
+import tseslint from "typescript-eslint";
+
+export default tseslint.config(
+  tseslint.configs.recommended,
+  {
+    languageOptions: {
+      parserOptions: {
+        projectService: true,
+        tsconfigRootDir: import.meta.dirname,
+      },
+
+      ecmaVersion: 9,
+      sourceType: "module",
+      globals: {
+        ...globals.node,
+        ...globals.es2015,
+      },
+    },
+  },
+  {
+    settings: {
+      "import/resolver": {
+        typescript: {},
+      },
+      "import/parsers": {
+        "@typescript-eslint/parser": [".ts"],
+      },
+    },
+  },
+  gitHubPlugin.getFlatConfigs().recommended,
+  {
+    rules: {
+      "@typescript-eslint/no-base-to-string": "error",
+      camelcase: "error",
+      "i18n-text/no-en": "off",
+      "@typescript-eslint/no-shadow": "error",
+      "eslint-comments/no-use": "off",
+      "import/extensions": [
+        "error",
+        "ignorePackages",
+        { json: "always", ts: "never" },
+      ],
+      "import/no-namespace": "off",
+      "no-unused-vars": "off",
+      "@typescript-eslint/no-unused-vars": [
+        "error",
+        {
+          argsIgnorePattern: "^_",
+        },
+      ],
+      "@typescript-eslint/explicit-member-accessibility": [
+        "error",
+        {
+          accessibility: "no-public",
+        },
+      ],
+      "@typescript-eslint/no-require-imports": "error",
+      "@typescript-eslint/array-type": "error",
+      "@typescript-eslint/await-thenable": "error",
+      "@typescript-eslint/ban-ts-comment": "error",
+      "@typescript-eslint/consistent-type-assertions": "error",
+      "@typescript-eslint/explicit-function-return-type": [
+        "error",
+        {
+          allowExpressions: true,
+        },
+      ],
+      "@typescript-eslint/no-array-constructor": "error",
+      "@typescript-eslint/no-empty-interface": "error",
+      "@typescript-eslint/no-explicit-any": "error",
+      "@typescript-eslint/no-floating-promises": "error",
+      "@typescript-eslint/no-extraneous-class": "error",
+      "@typescript-eslint/no-for-in-array": "error",
+      "@typescript-eslint/no-inferrable-types": "error",
+      "@typescript-eslint/no-misused-new": "error",
+      "@typescript-eslint/no-namespace": "error",
+      "@typescript-eslint/no-non-null-assertion": "warn",
+      "@typescript-eslint/no-unnecessary-qualifier": "error",
+      "@typescript-eslint/no-unnecessary-type-assertion": "error",
+      "@typescript-eslint/no-useless-constructor": "error",
+      "@typescript-eslint/no-var-requires": "error",
+      "@typescript-eslint/prefer-for-of": "warn",
+      "@typescript-eslint/prefer-function-type": "warn",
+      "@typescript-eslint/prefer-includes": "error",
+      "@typescript-eslint/prefer-string-starts-ends-with": "error",
+      "@typescript-eslint/promise-function-async": "error",
+      "@typescript-eslint/require-array-sort-compare": "error",
+      "@typescript-eslint/restrict-plus-operands": "error",
+      "@typescript-eslint/unbound-method": "error",
+    },
+  },
+);

flake.nix

@@ -1,15 +1,10 @@
 {
-  inputs = {
-    nixpkgs.url = "https://flakehub.com/f/DeterminateSystems/nixpkgs-weekly/*";
-
-    # For action-validator, which is broken with new rust versions
-    nixpkgs-old.url = "https://flakehub.com/f/NixOS/nixpkgs/0.2411.717196";
-  };
+  inputs.nixpkgs.url = "https://flakehub.com/f/NixOS/nixpkgs/0";
 
   outputs =
-    { nixpkgs, nixpkgs-old, ... }:
+    { self, ... }@inputs:
     let
-      inherit (nixpkgs) lib;
+      inherit (inputs.nixpkgs) lib;
 
       systems = [
         "aarch64-linux"
@@ -18,26 +13,17 @@
       ];
 
       forEachSystem =
-        f:
-        lib.genAttrs systems (
-          system:
-          let
-            pkgs = nixpkgs.legacyPackages.${system};
-            pkgs-old = nixpkgs-old.legacyPackages.${system};
-          in
-          f { inherit pkgs pkgs-old; }
-        );
+        f: lib.genAttrs systems (system: f { pkgs = import inputs.nixpkgs { inherit system; }; });
     in
     {
 
       devShells = forEachSystem (
-        { pkgs, pkgs-old }:
+        { pkgs }:
         {
           default = pkgs.mkShellNoCC {
-            buildInputs = [
-              pkgs.nodePackages.prettier
-
-              pkgs-old.action-validator
+            packages = with pkgs; [
+              nodejs_latest
+              action-validator
             ];
           };
         }