Update: Add /universal entrypoint (fixes #50)

lib/index-universal.js

@@ -0,0 +1,29 @@
+/**
+ * @fileoverview Package exports for @eslint/eslintrc
+ * @author Nicholas C. Zakas
+ */
+//------------------------------------------------------------------------------
+// Requirements
+//------------------------------------------------------------------------------
+
+import * as ConfigOps from "./shared/config-ops.js";
+import ConfigValidator from "./shared/config-validator.js";
+import * as naming from "./shared/naming.js";
+import environments from "../conf/environments.js";
+
+//-----------------------------------------------------------------------------
+// Exports
+//-----------------------------------------------------------------------------
+
+const Legacy = {
+    environments,
+
+    // shared
+    ConfigOps,
+    ConfigValidator,
+    naming
+};
+
+export {
+    Legacy
+};

package.json

@@ -9,13 +9,17 @@
       "import": "./lib/index.js",
       "require": "./dist/eslintrc.cjs"
     },
-    "./package.json": "./package.json"
+    "./package.json": "./package.json",
+    "./universal": {
+      "import": "./lib/index-universal.js",
+      "require": "./dist/eslintrc-universal.cjs"
+    }
   },
   "files": [
     "lib",
     "conf",
     "LICENSE",
-    "dist/eslintrc.cjs"
+    "dist"
   ],
   "publishConfig": {
     "access": "public"

rollup.config.js

@@ -1,14 +1,30 @@
-export default {
-    input: "./lib/index.js",
-    external: [
-        "module", "util", "os", "path", "debug", "fs", "import-fresh",
-        "strip-json-comments", "assert", "ignore", "minimatch", "url", "ajv",
-        "globals"
-    ],
-    treeshake: false,
-    output: {
-        format: "cjs",
-        file: "dist/eslintrc.cjs",
-        sourcemap: true
+export default [
+    {
+        input: "./lib/index.js",
+        external: [
+            "module", "util", "os", "path", "debug", "fs", "import-fresh",
+            "strip-json-comments", "assert", "ignore", "minimatch", "url", "ajv",
+            "globals"
+        ],
+        treeshake: false,
+        output: {
+            format: "cjs",
+            file: "dist/eslintrc.cjs",
+            sourcemap: true
+        }
+    },
+    {
+        input: "./lib/index-universal.js",
+        external: [
+            "module", "util", "os", "path", "debug", "fs", "import-fresh",
+            "strip-json-comments", "assert", "ignore", "minimatch", "url", "ajv",
+            "globals"
+        ],
+        treeshake: false,
+        output: {
+            format: "cjs",
+            file: "dist/eslintrc-universal.cjs",
+            sourcemap: true
+        }
     }
-};
+];

tests/lib/commonjs.cjs

@@ -11,21 +11,21 @@
 
 const assert = require("assert");
 const eslintrc = require("../../dist/eslintrc.cjs");
+const universal = require("../../dist/eslintrc-universal.cjs");
 
 
 //------------------------------------------------------------------------------
 // Tests
 //------------------------------------------------------------------------------
 
-describe("commonjs", () => {
+describe("eslintrc CommonJS", () => {
     it("is an object", () => {
         assert.strictEqual(typeof eslintrc, "object");
     });
 
     it("has exports", () => {
         assert.strictEqual(typeof eslintrc.FlatCompat, "function");
         assert.strictEqual(typeof eslintrc.Legacy, "object");
-        assert.strictEqual(typeof eslintrc.Legacy.environments, "object");
 
         [
             "ConfigArray",
@@ -44,6 +44,7 @@ describe("commonjs", () => {
 
         // shared
         [
+            "environments",
             "ConfigOps",
             "ModuleResolver",
             "naming"
@@ -52,3 +53,23 @@ describe("commonjs", () => {
         });
     });
 });
+
+describe("eslintrc CommonJS Universal", () => {
+    it("is an object", () => {
+        assert.strictEqual(typeof eslintrc, "object");
+    });
+
+    it("has exports", () => {
+        assert.strictEqual(typeof eslintrc.Legacy, "object");
+        assert.strictEqual(typeof eslintrc.Legacy.ConfigValidator, "function");
+
+        // shared
+        [
+            "environments",
+            "ConfigOps",
+            "naming"
+        ].forEach(prop => {
+            assert.strictEqual(typeof eslintrc.Legacy[prop], "object");
+        });
+    });
+});