chore: typescript 5 + ESM

.eslintrc.cjs

@@ -1,70 +1,77 @@
 module.exports = {
-  env: {
-    node: true,
-    es2022: true,
-  },
-  parser: '@typescript-eslint/parser', // Specifies the ESLint parser
+  root: true,
   extends: [
-    'plugin:@typescript-eslint/recommended', // Uses the recommended rules from the @typescript-eslint/eslint-plugin
-    'plugin:@typescript-eslint/recommended-requiring-type-checking',
+    'eslint:recommended',
     'prettier', // Uses eslint-config-prettier to disable ESLint rules from @typescript-eslint/eslint-plugin that would conflict with prettier
     'plugin:node/recommended',
-    'plugin:import/recommended',
-    'plugin:import/typescript',
     'plugin:security/recommended',
     'plugin:prettier/recommended', // Enables eslint-plugin-prettier and displays prettier errors as ESLint errors. Make sure this is always the last configuration in the extends array.
   ],
+  env: {
+    node: true,
+    es2022: true,
+  },
   parserOptions: {
     ecmaVersion: 'latest',
-    project: './tsconfig.eslint.json',
-    sourceType: 'module', // Allows for the use of imports,
-  },
-  rules: {
-    'node/no-extraneous-import': ['error', { allowModules: ['pino'] }],
-    'node/no-missing-import': 'off',
-    'node/no-unpublished-import': ['error', { allowModules: ['type-fest'] }],
-    'node/no-unsupported-features/es-syntax': 'off',
-    'import/no-named-as-default-member': 'off',
-    'import/order': [
-      'error',
-      {
-        'newlines-between': 'always',
-        alphabetize: {
-          order: 'asc',
-          caseInsensitive: false,
-        },
-      },
-    ],
-    '@typescript-eslint/no-unused-vars': ['error', { ignoreRestSiblings: true, destructuredArrayIgnorePattern: '^_' }],
-    '@typescript-eslint/camelcase': 'off',
-    '@typescript-eslint/explicit-function-return-type': 'error',
-    '@typescript-eslint/explicit-member-accessibility': ['error', { overrides: { constructors: 'no-public' } }],
+    sourceType: 'module',
   },
   overrides: [
     {
-      files: ['./**/*.ts]'],
-      rules: {
-        '@typescript-eslint/no-throw-literal': 'error',
+      files: ['./**/*.ts'],
+      parser: '@typescript-eslint/parser', // Specifies the ESLint parser
+      extends: [
+        'plugin:@typescript-eslint/recommended', // Uses the recommended rules from the @typescript-eslint/eslint-plugin
+        'plugin:@typescript-eslint/recommended-requiring-type-checking',
+        'prettier', // Uses eslint-config-prettier to disable ESLint rules from @typescript-eslint/eslint-plugin that would conflict with prettier
+        'plugin:node/recommended',
+        'plugin:security/recommended',
+        'plugin:prettier/recommended', // Enables eslint-plugin-prettier and displays prettier errors as ESLint errors. Make sure this is always the last configuration in the extends array.
+      ],
+      parserOptions: {
+        ecmaVersion: 'latest',
+        project: './tsconfig.eslint.json',
+        sourceType: 'module', // Allows for the use of imports,
       },
-    },
-    {
-      files: ['test/**/*.ts'],
-      plugins: ['jest'],
-      extends: ['plugin:jest/recommended'],
       rules: {
-        'node/no-unpublished-import': 'off',
-        'node/no-extraneous-import': 'off',
-        '@typescript-eslint/unbound-method': 'off',
-        'jest/unbound-method': 'error',
+        'node/no-extraneous-import': ['error', { allowModules: ['pino'] }],
+        'node/no-missing-import': 'off',
+        'node/no-unpublished-import': ['error', { allowModules: ['type-fest'] }],
+        'node/no-unsupported-features/es-syntax': 'off',
+        '@typescript-eslint/no-unused-vars': [
+          'error',
+          { ignoreRestSiblings: true, destructuredArrayIgnorePattern: '^_' },
+        ],
+        '@typescript-eslint/camelcase': 'off',
+        '@typescript-eslint/explicit-function-return-type': 'error',
+        '@typescript-eslint/explicit-member-accessibility': ['error', { overrides: { constructors: 'no-public' } }],
       },
-    },
-  ],
-  settings: {
-    'import/resolvers': {
-      typescript: {
-        alwaysTryTypes: true, // always try to resolve types under `<root>@types` directory even it doesn't contain any source code, like `@types/unist`
-        project: '.',
+      overrides: [
+        {
+          files: ['./**/*.ts]'],
+          rules: {
+            '@typescript-eslint/no-throw-literal': 'error',
+          },
+        },
+        {
+          files: ['test/**/*.ts'],
+          plugins: ['jest'],
+          extends: ['plugin:jest/recommended'],
+          rules: {
+            'node/no-unpublished-import': 'off',
+            'node/no-extraneous-import': 'off',
+            '@typescript-eslint/unbound-method': 'off',
+            'jest/unbound-method': 'error',
+          },
+        },
+      ],
+      settings: {
+        'import/resolvers': {
+          typescript: {
+            alwaysTryTypes: true, // always try to resolve types under `<root>@types` directory even it doesn't contain any source code, like `@types/unist`
+            project: '.',
+          },
+        },
       },
     },
-  },
+  ],
 };

Dockerfile

@@ -1,5 +1,5 @@
 # build stage
-FROM node:18-slim as build-stage
+FROM node:lts-slim as build-stage
 RUN apt-get update && apt-get install -y --no-install-recommends dumb-init
 WORKDIR /usr
 COPY package*.json ./
@@ -10,7 +10,7 @@ RUN npm run build
 RUN npm prune --omit=dev
 
 # production stage
-FROM node:18-slim
+FROM node:lts-slim
 ARG version
 ENV npm_package_version=${version}
 ENV NODE_ENV production

jest.config.common.mjs

@@ -0,0 +1,21 @@
+export default {
+  rootDir: '.',
+  testEnvironment: 'node',
+  extensionsToTreatAsEsm: ['.ts'],
+  testMatch: ['**/*.spec.ts'],
+  transform: {
+    '^.+\\.tsx?$': [
+      'ts-jest',
+      {
+        useESM: true,
+        // workaround for OOM issue, but lowers type checking
+        // see https://github.com/kulshekhar/ts-jest/issues/2015
+        isolatedModules: true,
+        tsconfig: '<rootDir>/tsconfig.json',
+      },
+    ],
+  },
+  moduleNameMapper: {
+    '^(\\.{1,2}/.*)\\.js$': '$1',
+  },
+};

jest.config.mjs

@@ -1,9 +1,8 @@
+import baseConfig from './jest.config.common.mjs';
+
 export default {
+  ...baseConfig,
+  displayName: 'Unit',
   roots: ['<rootDir>/test/unit'],
-  testEnvironment: 'node',
-  testMatch: ['**/*.spec.ts'],
-  transform: {
-    '^.+\\.tsx?$': ['ts-jest'],
-  },
   setupFiles: ['<rootDir>/test/environment/env-vars.mjs'],
 };

jest.config.psql.mjs

@@ -1,9 +1,8 @@
+import baseConfig from './jest.config.common.mjs';
+
 export default {
+  ...baseConfig,
+  displayName: 'PSQL',
   roots: ['<rootDir>/test/psql'],
-  testEnvironment: 'node',
-  testMatch: ['**/*.spec.ts'],
-  transform: {
-    '^.+\\.tsx?$': ['ts-jest'],
-  },
   setupFiles: ['<rootDir>/test/environment/env-vars.mjs'],
 };

jest.config.s3.mjs

@@ -1,9 +1,8 @@
+import baseConfig from './jest.config.common.mjs';
+
 export default {
+  ...baseConfig,
+  displayName: 'S3',
   roots: ['<rootDir>/test/s3'],
-  testEnvironment: 'node',
-  testMatch: ['**/*.spec.ts'],
-  transform: {
-    '^.+\\.tsx?$': ['ts-jest'],
-  },
   setupFiles: ['<rootDir>/test/environment/env-vars.s3.mjs'],
 };