add: unit and integration testing

app/node_modules/@jest/pattern/build/index.d.ts

@@ -0,0 +1,63 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+export declare class TestPathPatterns {
+  readonly patterns: Array<string>;
+  constructor(patterns: Array<string>);
+  /**
+   * Return true if there are any patterns.
+   */
+  isSet(): boolean;
+  /**
+   * Return true if the patterns are valid.
+   */
+  isValid(): boolean;
+  /**
+   * Return a human-friendly version of the pattern regex.
+   */
+  toPretty(): string;
+  /**
+   * Return a TestPathPatternsExecutor that can execute the patterns.
+   */
+  toExecutor(
+    options: TestPathPatternsExecutorOptions,
+  ): TestPathPatternsExecutor;
+  /** For jest serializers */
+  toJSON(): any;
+}
+
+export declare class TestPathPatternsExecutor {
+  readonly patterns: TestPathPatterns;
+  private readonly options;
+  constructor(
+    patterns: TestPathPatterns,
+    options: TestPathPatternsExecutorOptions,
+  );
+  private toRegex;
+  /**
+   * Return true if there are any patterns.
+   */
+  isSet(): boolean;
+  /**
+   * Return true if the patterns are valid.
+   */
+  isValid(): boolean;
+  /**
+   * Return true if the given ABSOLUTE path matches the patterns.
+   *
+   * Throws an error if the patterns form an invalid regex (see `validate`).
+   */
+  isMatch(absPath: string): boolean;
+  /**
+   * Return a human-friendly version of the pattern regex.
+   */
+  toPretty(): string;
+}
+
+export declare type TestPathPatternsExecutorOptions = {
+  rootDir: string;
+};