Merge pull request #18 from hildjj/flat-modules

Flat modules

.github/workflows/node.js.yml

@@ -25,7 +25,11 @@ jobs:
           node-version: ${{ matrix.node-version }}
           cache: npm
       - name: Install dependencies
-        run: npm install && cd test/old && npm install && cd ../flat && npm install
+        run: |
+          npm install
+          (cd test/old && npm install)
+          (cd test/flat && npm install)
+          (cd test/flat-module && npm install)
       - name: Check coding standards
         run: npm run lint
       - name: Test

eslint.config.js

@@ -0,0 +1,12 @@
+"use strict";
+
+module.exports = [
+  {
+    ignores: [
+      "node_modules/**",
+      "test/**",
+    ],
+  },
+  require("./flat/js"),
+  require("./flat/cjs"),
+];

flat/cjs.js

@@ -0,0 +1,10 @@
+"use strict";
+
+// Use module.js before this, which has most of the config.  This just
+// overrides sourceType for .cjs files.
+module.exports =  {
+  files: ["**/*.cjs"],
+  languageOptions: {
+    sourceType: "commonjs",
+  },
+};

flat/globals.js

@@ -0,0 +1,3 @@
+"use strict";
+
+module.exports = require("globals");

flat/mjs.js

@@ -2,7 +2,6 @@
 
 // Use js.js before this, which has most of the config.  This just
 // overrides sourceType for .mjs files.
-// Future: Figure out what to do for module-type projects.
 module.exports =  {
   files: ["**/*.mjs"],
   languageOptions: {

flat/module.js

@@ -0,0 +1,17 @@
+"use strict";
+
+const globals = require("globals");
+const { rules } = require("../rules/js.js");
+
+module.exports = {
+  files: ["**/*.js", "**/*.cjs", "**/*.mjs", "**/*.ts"],
+  plugins: {
+    "@stylistic": require("@stylistic/eslint-plugin"),
+  },
+  languageOptions: {
+    globals: globals["shared-node-browser"],
+    ecmaVersion: 2020,
+    sourceType: "module",
+  },
+  rules,
+};

package.json

@@ -8,11 +8,11 @@
     "eslint"
   ],
   "scripts": {
-    "lint": "eslint . --ext js",
+    "lint": "eslint .",
     "missing": "npm run missing:js && npm run missing:ts",
     "missing:js": "eslint-find-rules --verbose -u index.js",
     "missing:ts": "eslint-find-rules --verbose --no-core -u ts.js",
-    "test": "cd test/old && npm test && cd ../flat && npm test"
+    "test": "cd test/old && npm test && cd ../flat && npm test && cd ../flat-module && npm test"
   },
   "author": "Joe Hildebrand <joe-github@cursive.net>",
   "license": "MIT",
@@ -44,5 +44,8 @@
   "dependencies": {
     "@stylistic/eslint-plugin": "1.6.0",
     "globals": "13.24.0"
+  },
+  "engines": {
+    "node": ">=18"
   }
 }

test/flat-module/eslint.config.js

@@ -0,0 +1,9 @@
+import cjs from "@peggyjs/eslint-config/flat/cjs.js";
+import module from "@peggyjs/eslint-config/flat/module.js";
+import ts from "@peggyjs/eslint-config/flat/ts.js";
+
+export default [
+  module,
+  cjs,
+  ts,
+];