Convert `api.ts`, `api-implementation.ts` and `frames.ts` to ES6 modules (#5283)

This fixes ESLint errors in these files.

Set the `resolveJsonModule` setting, so that TypeScript can recognize the
`package.json` import.

cvat-core/src/api.ts

@@ -8,34 +8,36 @@
  * @module API
  */
 
-function build() {
-    const PluginRegistry = require('./plugins').default;
-    const loggerStorage = require('./logger-storage').default;
-    const { Log } = require('./log');
-    const ObjectState = require('./object-state').default;
-    const Statistics = require('./statistics').default;
-    const Comment = require('./comment').default;
-    const Issue = require('./issue').default;
-    const { Job, Task } = require('./session');
-    const Project = require('./project').default;
-    const implementProject = require('./project-implementation').default;
-    const { Attribute, Label } = require('./labels');
-    const MLModel = require('./ml-model').default;
-    const { FrameData } = require('./frames');
-    const CloudStorage = require('./cloud-storage').default;
-    const Organization = require('./organization').default;
-    const Webhook = require('./webhook').default;
+import PluginRegistry from './plugins';
+import loggerStorage from './logger-storage';
+import { Log } from './log';
+import ObjectState from './object-state';
+import Statistics from './statistics';
+import Comment from './comment';
+import Issue from './issue';
+import { Job, Task } from './session';
+import Project from './project';
+import implementProject from './project-implementation';
+import { Attribute, Label } from './labels';
+import MLModel from './ml-model';
+import { FrameData } from './frames';
+import CloudStorage from './cloud-storage';
+import Organization from './organization';
+import Webhook from './webhook';
+
+import * as enums from './enums';
 
-    const enums = require('./enums');
+import {
+    Exception, ArgumentError, DataError, ScriptingError, PluginError, ServerError,
+} from './exceptions';
 
-    const {
-        Exception, ArgumentError, DataError, ScriptingError, PluginError, ServerError,
-    } = require('./exceptions');
+import User from './user';
+import pjson from '../package.json';
+import config from './config';
 
-    const User = require('./user').default;
-    const pjson = require('../package.json');
-    const config = require('./config').default;
+import implementAPI from './api-implementation';
 
+function build() {
     /**
      * API entrypoint
      * @namespace cvat
@@ -925,9 +927,8 @@ function build() {
     cvat.cloudStorages = Object.freeze(cvat.cloudStorages);
     cvat.organizations = Object.freeze(cvat.organizations);
 
-    const implementAPI = require('./api-implementation');
     const implemented = Object.freeze(implementAPI(cvat));
     return implemented;
 }
 
-module.exports = build();
+export default build();

cvat-core/tests/api/annotations.js

@@ -13,7 +13,7 @@ jest.mock('../../src/server-proxy', () => {
 });
 
 // Initialize api
-window.cvat = require('../../src/api');
+window.cvat = require('../../src/api').default;
 const serverProxy = require('../../src/server-proxy').default;
 
 // Test cases

cvat-core/tests/api/cloud-storages.js

@@ -12,7 +12,7 @@ jest.mock('../../src/server-proxy', () => {
 });
 
 // Initialize api
-window.cvat = require('../../src/api');
+window.cvat = require('../../src/api').default;
 
 const CloudStorage= require('../../src/cloud-storage').default;
 const { cloudStoragesDummyData } = require('../mocks/dummy-data.mock');

cvat-core/tests/api/frames.js

@@ -12,7 +12,7 @@ jest.mock('../../src/server-proxy', () => {
 });
 
 // Initialize api
-window.cvat = require('../../src/api');
+window.cvat = require('../../src/api').default;
 
 const { FrameData } = require('../../src/frames');
 

cvat-core/tests/api/jobs.js

@@ -12,7 +12,7 @@ jest.mock('../../src/server-proxy', () => {
 });
 
 // Initialize api
-window.cvat = require('../../src/api');
+window.cvat = require('../../src/api').default;
 
 const { Job } = require('../../src/session');
 

cvat-core/tests/api/object-state.js

@@ -12,7 +12,7 @@ jest.mock('../../src/server-proxy', () => {
 });
 
 // Initialize api
-window.cvat = require('../../src/api');
+window.cvat = require('../../src/api').default;
 
 describe('Feature: set attributes for an object state', () => {
     test('set a valid value', () => {

cvat-core/tests/api/plugins.js

@@ -12,7 +12,7 @@ jest.mock('../../src/server-proxy', () => {
 });
 
 // Initialize api
-window.cvat = require('../../src/api');
+window.cvat = require('../../src/api').default;
 
 describe('Feature: dummy feature', () => {
     test('dummy test', async () => {

cvat-core/tests/api/projects.js

@@ -12,7 +12,7 @@ jest.mock('../../src/server-proxy', () => {
 });
 
 // Initialize api
-window.cvat = require('../../src/api');
+window.cvat = require('../../src/api').default;
 
 const Project = require('../../src/project').default;
 

cvat-core/tests/api/server.js

@@ -12,7 +12,7 @@ jest.mock('../../src/server-proxy', () => {
 });
 
 // Initialize api
-window.cvat = require('../../src/api');
+window.cvat = require('../../src/api').default;
 const { AnnotationFormats, Loader, Dumper } = require('../../src/annotation-formats');
 
 // Test cases

cvat-core/tests/api/tasks.js

@@ -12,7 +12,7 @@ jest.mock('../../src/server-proxy', () => {
 });
 
 // Initialize api
-window.cvat = require('../../src/api');
+window.cvat = require('../../src/api').default;
 
 const { Task } = require('../../src/session');
 

cvat-core/tests/api/user.js

@@ -12,7 +12,7 @@ jest.mock('../../src/server-proxy', () => {
 });
 
 // Initialize api
-window.cvat = require('../../src/api');
+window.cvat = require('../../src/api').default;
 
 const User = require('../../src/user').default;
 

cvat-core/tests/api/webhooks.js

@@ -11,7 +11,7 @@ jest.mock('../../src/server-proxy', () => {
 });
 
 // Initialize api
-window.cvat = require('../../src/api');
+window.cvat = require('../../src/api').default;
 
 const Webhook = require('../../src/webhook').default;
 const { webhooksDummyData, webhooksEventsDummyData } = require('../mocks/dummy-data.mock');

cvat-core/tsconfig.json

@@ -8,6 +8,7 @@
       "isolatedModules": true,
       "noEmit": true,
       "baseUrl": "src",
+      "resolveJsonModule": true,
     },
     "include": ["src/*.ts"]
 }