Fix: Properly export module resolver (#34)

* Fix: Properly export module resolver

* fix: Export `resolve` function directly

* Chore: Add tests

Signed-off-by: Richie Bendall <richiebendall@gmail.com>

* Export `ModuleResolver` instead

Signed-off-by: Richie Bendall <richiebendall@gmail.com>

* Use better test names

Co-authored-by: Milos Djermanovic <milos.djermanovic@gmail.com>

Co-authored-by: Milos Djermanovic <milos.djermanovic@gmail.com>

lib/index.js

@@ -14,7 +14,7 @@ const {
 } = require("./config-array-factory");
 
 const { CascadingConfigArrayFactory } = require("./cascading-config-array-factory");
-const { ModuleResolver } = require("./shared/relative-module-resolver");
+const ModuleResolver = require("./shared/relative-module-resolver");
 const { ConfigArray, getUsedExtractedConfigs } = require("./config-array");
 const { ConfigDependency } = require("./config-array/config-dependency");
 const { ExtractedConfig } = require("./config-array/extracted-config");

tests/lib/shared/relative-module-resolver.js

@@ -0,0 +1,26 @@
+/**
+ * @fileoverview Tests for relative module resolver.
+ */
+"use strict";
+
+const {
+    Legacy: {
+        ModuleResolver
+    }
+} = require("../../..");
+const { assert } = require("chai");
+const path = require("path");
+
+describe("ModuleResolver", () => {
+    describe("resolve()", () => {
+        it("should correctly resolve a relative path", () => {
+            assert.strictEqual(
+                ModuleResolver.resolve(
+                    "./file2.js",
+                    path.resolve("./tests/fixtures/relative-module-resolver/file.js")
+                ),
+                path.resolve("./tests/fixtures/relative-module-resolver/file2.js")
+            );
+        });
+    });
+});