fix!: treat * as a universal pattern

packages/config-array/src/config-array.js

@@ -880,7 +880,7 @@ export class ConfigArray extends Array {
 
 		const matchingConfigIndices = [];
 		let matchFound = false;
-		const universalPattern = /\/\*{1,2}$/;
+		const universalPattern = /^\*$|\/\*{1,2}$/;
 
 		this.forEach((config, index) => {
 			if (!config.files) {
@@ -905,8 +905,8 @@ export class ConfigArray extends Array {
 			}
 
 			/*
-			 * If a config has a files pattern ending in /** or /*, and the
-			 * filePath only matches those patterns, then the config is only
+			 * If a config has a files pattern * or patterns ending in /** or /*,
+			 * and the filePath only matches those patterns, then the config is only
 			 * applied if there is another config where the filePath matches
 			 * a file with a specific extensions such as *.js.
 			 */

packages/config-array/tests/config-array.test.js

@@ -1432,6 +1432,26 @@ describe("ConfigArray", () => {
 				);
 			});
 
+			it('should return "unconfigured" when there is only * pattern', () => {
+				configs = new ConfigArray(
+					[
+						{
+							files: ["*"],
+						},
+					],
+					{
+						basePath,
+					},
+				);
+
+				configs.normalizeSync();
+
+				assert.strictEqual(
+					configs.getConfigStatus(path.join(basePath, "a.js")),
+					"unconfigured",
+				);
+			});
+
 			it('should return "matched" when files pattern matches and there is a pattern ending with /**', () => {
 				configs = new ConfigArray(
 					[