feat(logger): add esmodule support (#1734)

* feat(logger): add esm build output

* fix(Logger): Remove barrel files update references

* test(Logger): update jest/ts-jest to use ESM

* chore(Logger): remove unused lodash.merge

* fix(logger): reinstate lodash.merge

* chore(logger): revert TS assertion

* chore(logger): revert format changes

* chore(logger): update postbuild to remove incremental tsbuildinfo files

* fix(logger): correct reference to types output

* feat(logging): add middleware export

* chore(logger): replace postbuild script with echo statement

* feat(logger): add typesVersions property and barrel files to /types

* chore(logger): file not used, can be added back if needed

* chore(logger): add space back to README

* chore(logger): revert space in README

packages/logger/jest.config.cjs

@@ -8,7 +8,12 @@ module.exports = {
     '^(\\.{1,2}/.*)\\.js$': '$1',
   },
   transform: {
-    '^.+\\.ts?$': 'ts-jest',
+    '^.+\\.[tj]sx?$': [
+      'ts-jest',
+      {
+        useESM: true,
+      },
+    ],
   },
   moduleFileExtensions: ['js', 'ts'],
   collectCoverageFrom: ['**/src/**/*.ts', '!**/node_modules/**'],

packages/logger/package.json

@@ -100,4 +100,4 @@
     "serverless",
     "nodejs"
   ]
-}
+}

packages/logger/src/formatter/LogFormatterInterface.ts

@@ -1,5 +1,6 @@
-import { LogAttributes, UnformattedAttributes } from '../types';
-import { LogItem } from '../log';
+import { LogAttributes } from '../types/Log.js';
+import { UnformattedAttributes } from '../types/Logger.js';
+import { LogItem } from '../log/LogItem.js';
 
 /**
  * @interface

packages/logger/src/log/LogItemInterface.ts

@@ -0,0 +1,9 @@
+import { LogAttributes } from '../types/Log.js';
+
+interface LogItemInterface {
+  addAttributes(attributes: LogAttributes): void;
+
+  getAttributes(): LogAttributes;
+}
+
+export { LogItemInterface };

packages/logger/src/types/formats/PowertoolsLog.ts

@@ -1,4 +1,4 @@
-import type { LogAttributes, LogLevel } from '..';
+import type { LogAttributes, LogLevel } from '../Log.js';
 
 type PowertoolsLog = LogAttributes & {
   /**

packages/logger/src/types/formats/index.ts

@@ -1 +1 @@
-export * from './PowertoolsLog';
+export type { PowertoolsLog } from './PowertoolsLog.js';