support ESM builds

.eslintrc.js

@@ -11,4 +11,9 @@ module.exports = {
 		sourceType: 'module',
 	},
 	extends: ['web3-base/ts'],
+	settings: {
+		'import/resolver': {
+			typescript: {}, // this loads tsconfig.json to eslint
+		},
+	},
 };

.github/workflows/build.yml

@@ -31,8 +31,8 @@ jobs:
         with:
           name: web3-${{ matrix.node }}.js.tar.gz
           path: /tmp/web3-${{ matrix.node }}.js.tar.gz
-  build-esm-types:
-      name: Build ESM & Types
+  build-esm:
+      name: Build ESM
       needs: build
       runs-on: ubuntu-latest
       strategy:
@@ -48,6 +48,22 @@ jobs:
                 path: /tmp
           -   run: tar -xf /tmp/web3-${{ matrix.node }}.js.tar.gz -C ./
           -   run: yarn build:esm
+  build-types:
+      name: Build Types
+      needs: build
+      runs-on: ubuntu-latest
+      strategy:
+          matrix:
+              node: [ 18, 16 ]
+      steps:
+          -   uses: actions/setup-node@v3
+              with:
+                node-version: ${{ matrix.node }}
+          -   uses: actions/download-artifact@v3
+              with:
+                name: web3-${{ matrix.node }}.js.tar.gz
+                path: /tmp
+          -   run: tar -xf /tmp/web3-${{ matrix.node }}.js.tar.gz -C ./
           -   run: yarn build:types
   lint:
       name: Lint

CHANGELOG.md

@@ -1488,6 +1488,7 @@ should use 4.0.1-alpha.0 for testing.
 #### web3-eth-accounts
 
 -   Fixed ESM import bugs reported in (#6032) and (#6034)
+-   ESM projects will not need to run --experimental-specifier-resolution=node (#6127)
 
 ### Changed
 

package.json

@@ -106,6 +106,7 @@
 		"cypress-jest-adapter": "^0.1.1",
 		"declaration-bundler-webpack-plugin": "^1.0.3",
 		"eslint": "^8.20.0",
+		"eslint-import-resolver-typescript": "^3.5.5",
 		"http-browserify": "^1.7.0",
 		"https-browserify": "^1.0.0",
 		"husky": "^8.0.1",

packages/web3-core/src/index.ts

@@ -15,17 +15,17 @@ You should have received a copy of the GNU Lesser General Public License
 along with web3.js.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-export * from './web3_config';
-export * from './web3_request_manager';
-export * from './web3_subscription_manager';
-export * from './web3_subscriptions';
-export * from './web3_context';
-export * from './web3_batch_request';
-export * from './utils';
-export * from './types';
-export * from './formatters';
-export * from './web3_promi_event';
-export * from './web3_event_emitter';
+export * from './web3_config.js';
+export * from './web3_request_manager.js';
+export * from './web3_subscription_manager.js';
+export * from './web3_subscriptions.js';
+export * from './web3_context.js';
+export * from './web3_batch_request.js';
+export * from './utils.js';
+export * from './types.js';
+export * from './formatters.js';
+export * from './web3_promi_event.js';
+export * from './web3_event_emitter.js';
 
 // For backward usability export as namespace
-export * as formatters from './formatters';
+export * as formatters from './formatters.js';

packages/web3-core/src/web3_batch_request.ts

@@ -18,7 +18,7 @@ along with web3.js.  If not, see <http://www.gnu.org/licenses/>.
 import { JsonRpcBatchResponse, JsonRpcOptionalRequest, JsonRpcRequest } from 'web3-types';
 import { jsonRpc, Web3DeferredPromise } from 'web3-utils';
 import { OperationAbortError, OperationTimeoutError, ResponseError } from 'web3-errors';
-import { Web3RequestManager } from './web3_request_manager';
+import { Web3RequestManager } from './web3_request_manager.js';
 
 export const DEFAULT_BATCH_REQUEST_TIMEOUT = 1000;
 

packages/web3-core/src/web3_config.ts

@@ -18,10 +18,10 @@ along with web3.js.  If not, see <http://www.gnu.org/licenses/>.
 import { Numbers, HexString, BlockNumberOrTag, Common } from 'web3-types';
 import { ConfigHardforkMismatchError, ConfigChainMismatchError } from 'web3-errors';
 import { isNullish, toHex } from 'web3-utils';
-import { TransactionTypeParser } from './types';
+import { TransactionTypeParser } from './types.js';
 // eslint-disable-next-line import/no-cycle
-import { TransactionBuilder } from './web3_context';
-import { Web3EventEmitter } from './web3_event_emitter';
+import { TransactionBuilder } from './web3_context.js';
+import { Web3EventEmitter } from './web3_event_emitter.js';
 
 // To avoid cycle dependency declare this
 export interface Web3ConfigOptions {

packages/web3-core/src/web3_context.ts

@@ -29,13 +29,13 @@ import {
 import { isNullish } from 'web3-utils';
 import { ExistingPluginNamespaceError } from 'web3-errors';
 
-import { isSupportedProvider } from './utils';
+import { isSupportedProvider } from './utils.js';
 // eslint-disable-next-line import/no-cycle
-import { Web3Config, Web3ConfigEvent, Web3ConfigOptions } from './web3_config';
-import { Web3RequestManager } from './web3_request_manager';
-import { Web3SubscriptionConstructor } from './web3_subscriptions';
-import { Web3SubscriptionManager } from './web3_subscription_manager';
-import { Web3BatchRequest } from './web3_batch_request';
+import { Web3Config, Web3ConfigEvent, Web3ConfigOptions } from './web3_config.js';
+import { Web3RequestManager } from './web3_request_manager.js';
+import { Web3SubscriptionConstructor } from './web3_subscriptions.js';
+import { Web3SubscriptionManager } from './web3_subscription_manager.js';
+import { Web3BatchRequest } from './web3_batch_request.js';
 
 // To avoid circular dependencies, we need to export type from here.
 export type Web3ContextObject<

packages/web3-core/src/web3_promi_event.ts

@@ -20,7 +20,7 @@ import {
 	Web3EventEmitter,
 	Web3EventKey,
 	Web3EventMap,
-} from './web3_event_emitter';
+} from './web3_event_emitter.js';
 
 export type PromiseExecutor<T> = (
 	resolve: (data: T) => void,

packages/web3-core/src/web3_request_manager.ts

@@ -50,8 +50,8 @@ import {
 	isLegacySendAsyncProvider,
 	isLegacySendProvider,
 	isWeb3Provider,
-} from './utils';
-import { Web3EventEmitter } from './web3_event_emitter';
+} from './utils.js';
+import { Web3EventEmitter } from './web3_event_emitter.js';
 
 export enum Web3RequestManagerEvent {
 	PROVIDER_CHANGED = 'PROVIDER_CHANGED',

packages/web3-core/src/web3_subscription_manager.ts

@@ -18,9 +18,9 @@ along with web3.js.  If not, see <http://www.gnu.org/licenses/>.
 import { DataFormat, DEFAULT_RETURN_FORMAT, Web3APISpec } from 'web3-types';
 import { ProviderError, SubscriptionError } from 'web3-errors';
 import { isNullish } from 'web3-utils';
-import { isSupportSubscriptions } from './utils';
-import { Web3RequestManager, Web3RequestManagerEvent } from './web3_request_manager';
-import { Web3SubscriptionConstructor } from './web3_subscriptions';
+import { isSupportSubscriptions } from './utils.js';
+import { Web3RequestManager, Web3RequestManagerEvent } from './web3_request_manager.js';
+import { Web3SubscriptionConstructor } from './web3_subscriptions.js';
 
 type ShouldUnsubscribeCondition = ({
 	id,

packages/web3-core/src/web3_subscriptions.ts

@@ -32,9 +32,9 @@ import {
 	EIP1193Provider,
 } from 'web3-types';
 import { jsonRpc } from 'web3-utils';
-import { Web3EventEmitter, Web3EventMap } from './web3_event_emitter';
+import { Web3EventEmitter, Web3EventMap } from './web3_event_emitter.js';
 
-import { Web3RequestManager } from './web3_request_manager';
+import { Web3RequestManager } from './web3_request_manager.js';
 
 export abstract class Web3Subscription<
 	EventMap extends Web3EventMap,

packages/web3-core/test/config/jest.config.js

@@ -10,6 +10,9 @@ module.exports = {
 	transform: {
 		'^.+\\.(ts|tsx)$': 'ts-jest',
 	},
+	moduleNameMapper: {
+		'^(\\.{1,2}/.*)\\.js$': '$1',
+	  },
 	verbose: false,
 	collectCoverage: false,
 	coverageReporters: ['json'],

packages/web3-errors/src/errors/account_errors.ts

@@ -27,8 +27,8 @@ import {
 	ERR_INVALID_PASSWORD,
 	ERR_IV_LENGTH,
 	ERR_PBKDF2_ITERATIONS,
-} from '../error_codes';
-import { BaseWeb3Error } from '../web3_error_base';
+} from '../error_codes.js';
+import { BaseWeb3Error } from '../web3_error_base.js';
 
 export class PrivateKeyLengthError extends BaseWeb3Error {
 	public code = ERR_PRIVATE_KEY_LENGTH;

packages/web3-errors/src/errors/connection_errors.ts

@@ -27,8 +27,8 @@ import {
 	ERR_CONN_MAX_ATTEMPTS,
 	ERR_CONN_PENDING_REQUESTS,
 	ERR_REQ_ALREADY_SENT,
-} from '../error_codes';
-import { BaseWeb3Error } from '../web3_error_base';
+} from '../error_codes.js';
+import { BaseWeb3Error } from '../web3_error_base.js';
 
 export class ConnectionError extends BaseWeb3Error {
 	public code = ERR_CONN;

packages/web3-errors/src/errors/contract_errors.ts

@@ -31,8 +31,8 @@ import {
 	ERR_CONTRACT_RESERVED_EVENT,
 	ERR_CONTRACT_RESOLVER_MISSING,
 	ERR_CONTRACT_TX_DATA_AND_INPUT,
-} from '../error_codes';
-import { BaseWeb3Error, InvalidValueError } from '../web3_error_base';
+} from '../error_codes.js';
+import { BaseWeb3Error, InvalidValueError } from '../web3_error_base.js';
 
 export class Web3ContractError extends BaseWeb3Error {
 	public code = ERR_CONTRACT;

packages/web3-errors/src/errors/core_errors.ts

@@ -17,8 +17,8 @@ along with web3.js.  If not, see <http://www.gnu.org/licenses/>.
 
 /* eslint-disable max-classes-per-file */
 
-import { BaseWeb3Error } from '../web3_error_base';
-import { ERR_CORE_HARDFORK_MISMATCH } from '../error_codes';
+import { BaseWeb3Error } from '../web3_error_base.js';
+import { ERR_CORE_HARDFORK_MISMATCH } from '../error_codes.js';
 
 export class ConfigHardforkMismatchError extends BaseWeb3Error {
 	public code = ERR_CORE_HARDFORK_MISMATCH;

packages/web3-errors/src/errors/ens_errors.ts

@@ -21,8 +21,8 @@ import {
 	ERR_ENS_CHECK_INTERFACE_SUPPORT,
 	ERR_ENS_NETWORK_NOT_SYNCED,
 	ERR_ENS_UNSUPPORTED_NETWORK,
-} from '../error_codes';
-import { BaseWeb3Error } from '../web3_error_base';
+} from '../error_codes.js';
+import { BaseWeb3Error } from '../web3_error_base.js';
 
 export class ENSCheckInterfaceSupportError extends BaseWeb3Error {
 	public code = ERR_ENS_CHECK_INTERFACE_SUPPORT;

packages/web3-errors/src/errors/generic_errors.ts

@@ -26,8 +26,8 @@ import {
 	ERR_PARAM,
 	ERR_EXISTING_PLUGIN_NAMESPACE,
 	ERR_INVALID_METHOD_PARAMS,
-} from '../error_codes';
-import { BaseWeb3Error } from '../web3_error_base';
+} from '../error_codes.js';
+import { BaseWeb3Error } from '../web3_error_base.js';
 
 export class InvalidNumberOfParamsError extends BaseWeb3Error {
 	public code = ERR_PARAM;

packages/web3-errors/src/errors/provider_errors.ts

@@ -23,8 +23,8 @@ import {
 	ERR_INVALID_CLIENT,
 	ERR_SUBSCRIPTION,
 	ERR_WS_PROVIDER,
-} from '../error_codes';
-import { BaseWeb3Error } from '../web3_error_base';
+} from '../error_codes.js';
+import { BaseWeb3Error } from '../web3_error_base.js';
 
 export class ProviderError extends BaseWeb3Error {
 	public code = ERR_PROVIDER;

packages/web3-errors/src/errors/response_errors.ts

@@ -22,8 +22,8 @@ import {
 	JsonRpcResponse,
 	JsonRpcResponseWithError,
 } from 'web3-types';
-import { BaseWeb3Error } from '../web3_error_base';
-import { ERR_INVALID_RESPONSE, ERR_RESPONSE } from '../error_codes';
+import { BaseWeb3Error } from '../web3_error_base.js';
+import { ERR_INVALID_RESPONSE, ERR_RESPONSE } from '../error_codes.js';
 
 // To avoid circular package dependency, copied to code here. If you update this please update same function in `json_rpc.ts`
 const isResponseWithError = <Error = unknown, Result = unknown>(

packages/web3-errors/src/errors/rpc_errors.ts

@@ -18,7 +18,7 @@ along with web3.js.  If not, see <http://www.gnu.org/licenses/>.
 /* eslint-disable max-classes-per-file */
 
 import { JsonRpcResponseWithError, JsonRpcId, JsonRpcError } from 'web3-types';
-import { BaseWeb3Error } from '../web3_error_base';
+import { BaseWeb3Error } from '../web3_error_base.js';
 import {
 	ERR_RPC_INTERNAL_ERROR,
 	ERR_RPC_INVALID_INPUT,
@@ -32,7 +32,7 @@ import {
 	ERR_RPC_TRANSACTION_REJECTED,
 	ERR_RPC_UNAVAILABLE_RESOURCE,
 	ERR_RPC_UNSUPPORTED_METHOD,
-} from '../error_codes';
+} from '../error_codes.js';
 
 export class RpcError extends BaseWeb3Error {
 	public code: number;

packages/web3-errors/src/errors/signature_errors.ts

@@ -15,8 +15,8 @@ You should have received a copy of the GNU Lesser General Public License
 along with web3.js.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-import { ERR_SIGNATURE_FAILED } from '../error_codes';
-import { InvalidValueError } from '../web3_error_base';
+import { ERR_SIGNATURE_FAILED } from '../error_codes.js';
+import { InvalidValueError } from '../web3_error_base.js';
 
 export class SignatureError extends InvalidValueError {
 	public code = ERR_SIGNATURE_FAILED;

packages/web3-errors/src/errors/transaction_errors.ts

@@ -65,8 +65,8 @@ import {
 	ERR_TX_UNSUPPORTED_TYPE,
 	ERR_TX_REVERT_TRANSACTION_CUSTOM_ERROR,
 	ERR_TX_INVALID_PROPERTIES_FOR_TYPE,
-} from '../error_codes';
-import { InvalidValueError, BaseWeb3Error } from '../web3_error_base';
+} from '../error_codes.js';
+import { InvalidValueError, BaseWeb3Error } from '../web3_error_base.js';
 
 export class TransactionError<ReceiptType = TransactionReceipt> extends BaseWeb3Error {
 	public code = ERR_TX;

packages/web3-errors/src/errors/utils_errors.ts

@@ -32,8 +32,8 @@ import {
 	ERR_INVALID_TYPE_ABI,
 	ERR_INVALID_UNIT,
 	ERR_INVALID_UNSIGNED_INTEGER,
-} from '../error_codes';
-import { InvalidValueError } from '../web3_error_base';
+} from '../error_codes.js';
+import { InvalidValueError } from '../web3_error_base.js';
 
 export class InvalidBytesError extends InvalidValueError {
 	public code = ERR_INVALID_BYTES;

packages/web3-errors/src/index.ts

@@ -15,17 +15,17 @@ You should have received a copy of the GNU Lesser General Public License
 along with web3.js.  If not, see <http://www.gnu.org/licenses/>.
 */
 
-export * from './error_codes';
-export * from './web3_error_base';
-export * from './errors/account_errors';
-export * from './errors/connection_errors';
-export * from './errors/contract_errors';
-export * from './errors/ens_errors';
-export * from './errors/generic_errors';
-export * from './errors/provider_errors';
-export * from './errors/signature_errors';
-export * from './errors/transaction_errors';
-export * from './errors/utils_errors';
-export * from './errors/response_errors';
-export * from './errors/core_errors';
-export * from './errors/rpc_errors';
+export * from './error_codes.js';
+export * from './web3_error_base.js';
+export * from './errors/account_errors.js';
+export * from './errors/connection_errors.js';
+export * from './errors/contract_errors.js';
+export * from './errors/ens_errors.js';
+export * from './errors/generic_errors.js';
+export * from './errors/provider_errors.js';
+export * from './errors/signature_errors.js';
+export * from './errors/transaction_errors.js';
+export * from './errors/utils_errors.js';
+export * from './errors/response_errors.js';
+export * from './errors/core_errors.js';
+export * from './errors/rpc_errors.js';

packages/web3-eth-abi/src/api/errors_api.ts

@@ -18,7 +18,7 @@ along with web3.js.  If not, see <http://www.gnu.org/licenses/>.
 import { sha3Raw } from 'web3-utils';
 import { AbiError } from 'web3-errors';
 import { AbiErrorFragment } from 'web3-types';
-import { jsonInterfaceMethodToString, isAbiErrorFragment } from '../utils';
+import { jsonInterfaceMethodToString, isAbiErrorFragment } from '../utils.js';
 
 /**
  * Encodes the error name to its ABI signature, which are the sha3 hash of the error name including input types.

packages/web3-eth-abi/src/api/events_api.ts

@@ -18,7 +18,7 @@ along with web3.js.  If not, see <http://www.gnu.org/licenses/>.
 import { sha3Raw } from 'web3-utils';
 import { AbiError } from 'web3-errors';
 import { AbiEventFragment } from 'web3-types';
-import { jsonInterfaceMethodToString, isAbiEventFragment } from '../utils';
+import { jsonInterfaceMethodToString, isAbiEventFragment } from '../utils.js';
 
 /**
  * Encodes the event name to its ABI signature, which are the sha3 hash of the event name including input types.

packages/web3-eth-abi/src/api/functions_api.ts

@@ -18,8 +18,8 @@ along with web3.js.  If not, see <http://www.gnu.org/licenses/>.
 import { AbiError } from 'web3-errors';
 import { sha3Raw } from 'web3-utils';
 import { AbiFunctionFragment } from 'web3-types';
-import { isAbiFunctionFragment, jsonInterfaceMethodToString } from '../utils';
-import { encodeParameters } from './parameters_api';
+import { isAbiFunctionFragment, jsonInterfaceMethodToString } from '../utils.js';
+import { encodeParameters } from './parameters_api.js';
 
 // todo Add link to JSON interface documentation
 /**

packages/web3-eth-abi/src/api/logs_api.ts

@@ -16,7 +16,7 @@ along with web3.js.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 import { HexString, AbiParameter, DecodedParams } from 'web3-types';
-import { decodeParameter, decodeParametersWith } from './parameters_api';
+import { decodeParameter, decodeParametersWith } from './parameters_api.js';
 
 const STATIC_TYPES = ['bool', 'string', 'int', 'uint', 'address', 'fixed', 'ufixed'];