fix: not using lease in testee code for now

jest.config.js

@@ -1,14 +1,19 @@
 module.exports = {
-  preset: 'ts-jest',
+  preset: 'ts-jest/presets/js-with-ts',
   roots: ['src'],
   transformIgnorePatterns: ['<rootDir>/node_modules/.*\\.js', '<rootDir>/build/.*\\.js'],
+  transform: {
+    '^.+\\.tsx?$': [
+      'ts-jest',
+      {
+        tsconfig: {
+          target: 'es2022',
+        },
+      },
+    ],
+  },
   testMatch: ['**/__test__/*\\.(ts|js|tsx|jsx)', '**/*\\.(spec|test)\\.(ts|js|tsx|jsx)'],
   collectCoverageFrom: ['src/**/*.(ts|tsx)', '!build/', '!**/node_modules', '!/coverage'],
   moduleFileExtensions: ['ts', 'tsx', 'js', 'jsx', 'json'],
   coverageReporters: ['json', 'lcov', 'text', 'html'],
-  globals: {
-    'ts-jest': {
-      isolatedModules: true,
-    },
-  },
 };

src/concurrency/locks/lockable.spec.ts

@@ -1,3 +1,3 @@
 describe('ResourcePool lock', () => {
-  it.skip('');
+  it.todo('');
 });

src/concurrency/resource-pool.ts

@@ -40,8 +40,12 @@ export class ResourcePool<T> {
   }
 
   async use<R>(task: (res: T) => R): Promise<Awaited<R>> {
-    await using lease = await this.borrow();
-    return await task(lease.value);
+    const lease = await this.borrow();
+    try {
+      return await task(lease.value);
+    } finally {
+      await lease[Symbol.asyncDispose]();
+    }
   }
 
   tryUse<R>(task: (res: T | null) => R): R | Promise<Awaited<R>> {
@@ -88,13 +92,16 @@ export class ResourcePool<T> {
   async borrow(timeout?: number): Promise<Lease<T>> {
     const v = await this._borrow();
 
+    // console.log('borrowed', v);
+
     const _return = lazyThenable(async () => {
       this._return(v);
+      // console.log('returned', v);
     });
 
     return {
       value: v,
-      async [Symbol.asyncDispose]() {
+      [Symbol.asyncDispose]: async () => {
         await _return;
       },
     };

tsconfig.json

@@ -4,7 +4,7 @@
     "jsx": "preserve",
     "module": "commonjs",
     "moduleResolution": "node",
-    "target": "es2021",
+    "target": "es2022",
     "skipLibCheck": true,
     "rootDir": "src",
     "outDir": "lib"