chore(api|api-rest): enable eslint and remove tslint

.eslintrc.js

@@ -40,9 +40,9 @@ module.exports = {
 		// will enable lint by packages
 		// 'adapter-nextjs',
 		// 'packages/analytics',
-		'packages/api',
+		// 'packages/api',
 		'packages/api-graphql',
-		'packages/api-rest',
+		// 'packages/api-rest',
 		'packages/auth',
 		// 'packages/aws-amplify',
 		// 'packages/core',

packages/api-rest/package.json

@@ -21,7 +21,8 @@
 		"clean": "npm run clean:size && rimraf dist lib lib-esm",
 		"clean:size": "rimraf dual-publish-tmp tmp*",
 		"format": "echo \"Not implemented\"",
-		"lint": "tslint 'src/**/*.ts' && npm run ts-coverage",
+		"lint": "eslint '**/*.{ts,tsx}' && npm run ts-coverage",
+		"lint:fix": "eslint '**/*.{ts,tsx}' --fix",
 		"ts-coverage": "typescript-coverage-report -p ./tsconfig.build.json -t 70.0"
 	},
 	"exports": {

packages/api-rest/src/apis/common/handler.ts

@@ -2,12 +2,12 @@
 // SPDX-License-Identifier: Apache-2.0
 import { AmplifyClassV6 } from '@aws-amplify/core';
 import {
-	HttpRequest,
-	unauthenticatedHandler,
 	Headers,
+	HttpRequest,
+	authenticatedHandler,
 	getRetryDecider,
 	jitteredBackoff,
-	authenticatedHandler,
+	unauthenticatedHandler,
 } from '@aws-amplify/core/internals/aws-client-utils';
 import {
 	AWSCredentials,
@@ -28,10 +28,10 @@ type HandlerOptions = Omit<HttpRequest, 'body' | 'headers'> & {
 	withCredentials?: boolean;
 };
 
-type SigningServiceInfo = {
+interface SigningServiceInfo {
 	service?: string;
 	region?: string;
-};
+}
 
 /**
  * Make REST API call with best-effort IAM auth.
@@ -46,7 +46,7 @@ type SigningServiceInfo = {
 export const transferHandler = async (
 	amplify: AmplifyClassV6,
 	options: HandlerOptions & { abortSignal: AbortSignal },
-	signingServiceInfo?: SigningServiceInfo
+	signingServiceInfo?: SigningServiceInfo,
 ): Promise<RestApiResponse> => {
 	const { url, method, headers, body, withCredentials, abortSignal } = options;
 	const resolvedBody = body
@@ -88,6 +88,7 @@ export const transferHandler = async (
 			...baseOptions,
 		});
 	}
+
 	// Clean-up un-modeled properties from response.
 	return {
 		statusCode: response.statusCode,
@@ -98,11 +99,11 @@ export const transferHandler = async (
 
 const iamAuthApplicable = (
 	{ headers }: HttpRequest,
-	signingServiceInfo?: SigningServiceInfo
+	signingServiceInfo?: SigningServiceInfo,
 ) => !headers.authorization && !headers['x-api-key'] && !!signingServiceInfo;
 
 const resolveCredentials = async (
-	amplify: AmplifyClassV6
+	amplify: AmplifyClassV6,
 ): Promise<AWSCredentials | null> => {
 	try {
 		const { credentials } = await amplify.Auth.fetchAuthSession();
@@ -112,5 +113,6 @@ const resolveCredentials = async (
 	} catch (e) {
 		logger.debug('No credentials available, the request will be unsigned.');
 	}
+
 	return null;
 };

packages/api-rest/src/apis/common/internalPost.ts

@@ -4,9 +4,10 @@
 import { AmplifyClassV6 } from '@aws-amplify/core';
 
 import { InternalPostInput, RestApiResponse } from '../../types';
-import { transferHandler } from './handler';
 import { createCancellableOperation } from '../../utils';
 
+import { transferHandler } from './handler';
+
 /**
  * This weak map provides functionality to cancel a request given the promise containing the `post` request.
  *
@@ -25,7 +26,7 @@ const cancelTokenMap = new WeakMap<Promise<any>, AbortController>();
  */
 export const post = (
 	amplify: AmplifyClassV6,
-	{ url, options, abortController }: InternalPostInput
+	{ url, options, abortController }: InternalPostInput,
 ): Promise<RestApiResponse> => {
 	const controller = abortController ?? new AbortController();
 	const responsePromise = createCancellableOperation(async () => {
@@ -37,14 +38,16 @@ export const post = (
 				...options,
 				abortSignal: controller.signal,
 			},
-			options?.signingServiceInfo
+			options?.signingServiceInfo,
 		);
+
 		return response;
 	}, controller);
 
 	const responseWithCleanUp = responsePromise.finally(() => {
 		cancelTokenMap.delete(responseWithCleanUp);
 	});
+
 	return responseWithCleanUp;
 };
 
@@ -55,18 +58,20 @@ export const post = (
  */
 export const cancel = (
 	promise: Promise<RestApiResponse>,
-	message?: string
+	message?: string,
 ): boolean => {
 	const controller = cancelTokenMap.get(promise);
 	if (controller) {
 		controller.abort(message);
 		if (message && controller.signal.reason !== message) {
 			// In runtimes where `AbortSignal.reason` is not supported, we track the reason ourselves.
 			// @ts-expect-error reason is read-only property.
-			controller.signal['reason'] = message;
+			controller.signal.reason = message;
 		}
+
 		return true;
 	}
+
 	return false;
 };
 
@@ -75,7 +80,7 @@ export const cancel = (
  */
 export const updateRequestToBeCancellable = (
 	promise: Promise<any>,
-	controller: AbortController
+	controller: AbortController,
 ) => {
 	cancelTokenMap.set(promise, controller);
 };

packages/api-rest/src/apis/common/publicApis.ts

@@ -2,42 +2,44 @@
 // SPDX-License-Identifier: Apache-2.0
 
 import { AmplifyClassV6 } from '@aws-amplify/core';
+
 import {
-	GetInput,
-	GetOperation,
-	PostInput,
-	PostOperation,
-	PutInput,
-	PutOperation,
+	ApiInput,
 	DeleteInput,
 	DeleteOperation,
+	GetInput,
+	GetOperation,
 	HeadInput,
 	HeadOperation,
 	PatchInput,
 	PatchOperation,
-	ApiInput,
+	PostInput,
+	PostOperation,
+	PutInput,
+	PutOperation,
 	RestApiOptionsBase,
 } from '../../types';
 import {
-	resolveApiUrl,
 	createCancellableOperation,
 	logger,
 	parseSigningInfo,
+	resolveApiUrl,
 } from '../../utils';
+
 import { transferHandler } from './handler';
 
 const publicHandler = (
 	amplify: AmplifyClassV6,
 	options: ApiInput<RestApiOptionsBase>,
-	method: string
+	method: string,
 ) =>
 	createCancellableOperation(async abortSignal => {
 		const { apiName, options: apiOptions = {}, path: apiPath } = options;
 		const url = resolveApiUrl(
 			amplify,
 			apiName,
 			apiPath,
-			apiOptions?.queryParams
+			apiOptions?.queryParams,
 		);
 		const libraryConfigHeaders =
 			await amplify.libraryOptions?.API?.REST?.headers?.({
@@ -57,8 +59,9 @@ const publicHandler = (
 			method,
 			url,
 			headers,
-			`IAM signing options: ${JSON.stringify(signingServiceInfo)}`
+			`IAM signing options: ${JSON.stringify(signingServiceInfo)}`,
 		);
+
 		return transferHandler(
 			amplify,
 			{
@@ -68,7 +71,7 @@ const publicHandler = (
 				headers,
 				abortSignal,
 			},
-			signingServiceInfo
+			signingServiceInfo,
 		);
 	});
 
@@ -77,23 +80,23 @@ export const get = (amplify: AmplifyClassV6, input: GetInput): GetOperation =>
 
 export const post = (
 	amplify: AmplifyClassV6,
-	input: PostInput
+	input: PostInput,
 ): PostOperation => publicHandler(amplify, input, 'POST');
 
 export const put = (amplify: AmplifyClassV6, input: PutInput): PutOperation =>
 	publicHandler(amplify, input, 'PUT');
 
 export const del = (
 	amplify: AmplifyClassV6,
-	input: DeleteInput
+	input: DeleteInput,
 ): DeleteOperation => publicHandler(amplify, input, 'DELETE');
 
 export const head = (
 	amplify: AmplifyClassV6,
-	input: HeadInput
+	input: HeadInput,
 ): HeadOperation => publicHandler(amplify, input, 'HEAD');
 
 export const patch = (
 	amplify: AmplifyClassV6,
-	input: PatchInput
+	input: PatchInput,
 ): PatchOperation => publicHandler(amplify, input, 'PATCH');

packages/api-rest/src/apis/index.ts

@@ -2,14 +2,7 @@
 // SPDX-License-Identifier: Apache-2.0
 
 import { Amplify } from '@aws-amplify/core';
-import {
-	get as commonGet,
-	post as commonPost,
-	put as commonPut,
-	del as commonDel,
-	head as commonHead,
-	patch as commonPatch,
-} from './common/publicApis';
+
 import {
 	DeleteInput,
 	DeleteOperation,
@@ -26,6 +19,15 @@ import {
 } from '../types';
 import { RestApiError } from '../errors';
 
+import {
+	del as commonDel,
+	get as commonGet,
+	head as commonHead,
+	patch as commonPatch,
+	post as commonPost,
+	put as commonPut,
+} from './common/publicApis';
+
 /**
  * GET HTTP request
  * @param {GetInput} input - Input for GET operation

packages/api-rest/src/apis/server.ts

@@ -5,14 +5,7 @@ import {
 	AmplifyServer,
 	getAmplifyServerContext,
 } from '@aws-amplify/core/internals/adapter-core';
-import {
-	get as commonGet,
-	post as commonPost,
-	put as commonPut,
-	del as commonDel,
-	head as commonHead,
-	patch as commonPatch,
-} from './common/publicApis';
+
 import {
 	DeleteInput,
 	DeleteOperation,
@@ -29,6 +22,15 @@ import {
 } from '../types';
 import { RestApiError } from '../errors';
 
+import {
+	del as commonDel,
+	get as commonGet,
+	head as commonHead,
+	patch as commonPatch,
+	post as commonPost,
+	put as commonPut,
+} from './common/publicApis';
+
 /**
  * GET HTTP request (server-side)
  * @param {AmplifyServer.ContextSpec} contextSpec - The context spec used to get the Amplify server context.
@@ -52,11 +54,10 @@ import { RestApiError } from '../errors';
  *   },
  * });
  * ```
- * @see {@link clientGet}
  */
 export const get = (
 	contextSpec: AmplifyServer.ContextSpec,
-	input: GetInput
+	input: GetInput,
 ): GetOperation =>
 	commonGet(getAmplifyServerContext(contextSpec).amplify, input);
 
@@ -86,7 +87,7 @@ export const get = (
  */
 export const post = (
 	contextSpec: AmplifyServer.ContextSpec,
-	input: PostInput
+	input: PostInput,
 ): PostOperation =>
 	commonPost(getAmplifyServerContext(contextSpec).amplify, input);
 
@@ -116,7 +117,7 @@ export const post = (
  */
 export const put = (
 	contextSpec: AmplifyServer.ContextSpec,
-	input: PutInput
+	input: PutInput,
 ): PutOperation =>
 	commonPut(getAmplifyServerContext(contextSpec).amplify, input);
 
@@ -145,7 +146,7 @@ export const put = (
  */
 export const del = (
 	contextSpec: AmplifyServer.ContextSpec,
-	input: DeleteInput
+	input: DeleteInput,
 ): DeleteOperation =>
 	commonDel(getAmplifyServerContext(contextSpec).amplify, input);
 
@@ -174,7 +175,7 @@ export const del = (
  */
 export const head = (
 	contextSpec: AmplifyServer.ContextSpec,
-	input: HeadInput
+	input: HeadInput,
 ): HeadOperation =>
 	commonHead(getAmplifyServerContext(contextSpec).amplify, input);
 
@@ -204,6 +205,6 @@ export const head = (
  */
 export const patch = (
 	contextSpec: AmplifyServer.ContextSpec,
-	input: PatchInput
+	input: PatchInput,
 ): PatchOperation =>
 	commonPatch(getAmplifyServerContext(contextSpec).amplify, input);

packages/api-rest/src/errors/CanceledError.ts

@@ -2,6 +2,7 @@
 // SPDX-License-Identifier: Apache-2.0
 
 import { AmplifyErrorParams } from '@aws-amplify/core/internals/utils';
+
 import { RestApiError } from './RestApiError';
 
 /**