feat: add reflect metadata to jest setup file

scripts/setupJestEnv.ts

@@ -1,96 +1,89 @@
+import 'reflect-metadata';
+
 expect.extend({
   toHaveBeenWarned(received: string) {
-    asserted.add(received)
-    const passed = warn.mock.calls.some(args => args[0].indexOf(received) > -1)
+    asserted.add(received);
+    const passed = warn.mock.calls.some(args => args[0].indexOf(received) > -1);
     if (passed) {
       return {
         pass: true,
-        message: () => `expected "${received}" not to have been warned.`
-      }
+        message: () => `expected "${received}" not to have been warned.`,
+      };
     } else {
-      const msgs = warn.mock.calls.map(args => args[0]).join('\n - ')
+      const msgs = warn.mock.calls.map(args => args[0]).join('\n - ');
       return {
         pass: false,
         message: () =>
           `expected "${received}" to have been warned` +
-          (msgs.length
-            ? `.\n\nActual messages:\n\n - ${msgs}`
-            : 'but no warning was recorded.')
-      }
+          (msgs.length ? `.\n\nActual messages:\n\n - ${msgs}` : 'but no warning was recorded.'),
+      };
     }
   },
 
   toHaveBeenWarnedLast(received: string) {
-    asserted.add(received)
-    const passed =
-      warn.mock.calls[warn.mock.calls.length - 1][0].indexOf(received) > -1
+    asserted.add(received);
+    const passed = warn.mock.calls[warn.mock.calls.length - 1][0].indexOf(received) > -1;
     if (passed) {
       return {
         pass: true,
-        message: () => `expected "${received}" not to have been warned last.`
-      }
+        message: () => `expected "${received}" not to have been warned last.`,
+      };
     } else {
-      const msgs = warn.mock.calls.map(args => args[0]).join('\n - ')
+      const msgs = warn.mock.calls.map(args => args[0]).join('\n - ');
       return {
         pass: false,
-        message: () =>
-          `expected "${received}" to have been warned last.\n\nActual messages:\n\n - ${msgs}`
-      }
+        message: () => `expected "${received}" to have been warned last.\n\nActual messages:\n\n - ${msgs}`,
+      };
     }
   },
 
   toHaveBeenWarnedTimes(received: string, n: number) {
-    asserted.add(received)
-    let found = 0
+    asserted.add(received);
+    let found = 0;
     warn.mock.calls.forEach(args => {
       if (args[0].indexOf(received) > -1) {
-        found++
+        found++;
       }
-    })
+    });
 
     if (found === n) {
       return {
         pass: true,
-        message: () => `expected "${received}" to have been warned ${n} times.`
-      }
+        message: () => `expected "${received}" to have been warned ${n} times.`,
+      };
     } else {
       return {
         pass: false,
-        message: () =>
-          `expected "${received}" to have been warned ${n} times but got ${found}.`
-      }
+        message: () => `expected "${received}" to have been warned ${n} times but got ${found}.`,
+      };
     }
-  }
-})
+  },
+});
 
-let warn: jest.SpyInstance
-const asserted: Set<string> = new Set()
+let warn: jest.SpyInstance;
+const asserted: Set<string> = new Set();
 
 beforeEach(() => {
-  asserted.clear()
-  warn = jest.spyOn(console, 'warn')
-  warn.mockImplementation(() => { })
-})
+  asserted.clear();
+  warn = jest.spyOn(console, 'warn');
+  warn.mockImplementation(() => {});
+});
 
 afterEach(() => {
-  const assertedArray = Array.from(asserted)
+  const assertedArray = Array.from(asserted);
   const nonAssertedWarnings = warn.mock.calls
     .map(args => args[0])
     .filter(received => {
       return !assertedArray.some(assertedMsg => {
-        return received.indexOf(assertedMsg) > -1
-      })
-    })
-  warn.mockRestore()
+        return received.indexOf(assertedMsg) > -1;
+      });
+    });
+  warn.mockRestore();
   if (nonAssertedWarnings.length) {
-    throw new Error(
-      `test case threw unexpected warnings:\n - ${nonAssertedWarnings.join(
-        '\n - '
-      )}`
-    )
+    throw new Error(`test case threw unexpected warnings:\n - ${nonAssertedWarnings.join('\n - ')}`);
   }
-})
+});
 
 // dont remove this line, cause of typescript TS1208 error.
 // https://github.com/Microsoft/TypeScript/blob/main/src/compiler/diagnosticMessages.json#L662
-export { };
+export {};