fix: Upgrade json-schema-traverse and openapi3-ts to new major versions.

package.json

@@ -85,9 +85,9 @@
         "events-listener": "^1.1.0",
         "glob": "^7.1.3",
         "json-ptr": "^2.2.0",
-        "json-schema-traverse": "^0.4.1",
+        "json-schema-traverse": "^1.0.0",
         "lodash": "^4.17.11",
-        "openapi3-ts": "^1.2.0",
+        "openapi3-ts": "^2.0.1",
         "promise-breaker": "^5.0.0",
         "pump": "^3.0.0",
         "qs": "^6.6.0",

src/utils/stringToStream.ts

@@ -1,6 +1,6 @@
 import { Readable } from 'stream';
 
-export default function stringToStream(str: string, encoding: string = 'utf-8') {
+export default function stringToStream(str: string, encoding: BufferEncoding = 'utf-8') {
     return new Readable({
         read() {
             this.push(str, encoding);

test/oas3/OperationTest.ts

@@ -10,6 +10,7 @@ import { ExegesisOptions } from '../../src';
 import { compileOptions } from '../../src/options';
 import FakeExegesisContext from '../fixtures/FakeExegesisContext';
 import { Readable, Transform } from 'stream';
+import { ResponseObject } from 'openapi3-ts';
 
 chai.use(chaiAsPromised);
 const { expect } = chai;
@@ -584,7 +585,7 @@ describe('oas3 Operation', function () {
     });
 
     describe('validate response body', function () {
-        const DEFAULT_RESPONSE = {
+        const DEFAULT_RESPONSE: ResponseObject = {
             description: 'Unexpected error',
             content: {
                 'application/json': {

test/oas3/ResponsesTest.ts

@@ -7,11 +7,12 @@ import Responses from '../../src/oas3/Responses';
 import { compileOptions } from '../../src/options';
 import { makeOpenApiDoc } from '../fixtures';
 import stringToStream from '../../src/utils/stringToStream';
+import { ResponsesObject } from 'openapi3-ts';
 
 chai.use(chaiAsPromised);
 const { expect } = chai;
 
-const DEFAULT_RESPONSE = {
+const DEFAULT_RESPONSE: ResponsesObject = {
     200: {
         description: '',
         content: {