feat(@angular-ru/jest-utils): set isolatedModules as false for TS 4.2

Author: splincode

packages/jest-utils/integration/tests/simple.spec.ts

@@ -24,7 +24,7 @@ describe('[TEST]: Hello world', () => {
         ).toEqual({
             globals: {
                 'ts-jest': {
-                    isolatedModules: true,
+                    isolatedModules: false,
                     tsconfig: '../tsconfig.json',
                     stringifyContentPathRegex: '\\.html$',
                     astTransformers: {

packages/jest-utils/src/create-ts-jest-config.ts

@@ -67,7 +67,7 @@ export function createTsJestConfig(options: JestConfigOptions & Config.InitialOp
          */
         globals: {
             'ts-jest': {
-                isolatedModules: true,
+                isolatedModules: options.isolatedModules ?? false,
                 tsconfig: options?.tsConfigSpecPath ?? options.tsConfigRootPath,
                 stringifyContentPathRegex: '\\.html$',
                 astTransformers: {

packages/jest-utils/src/jest-config.interface.ts

@@ -12,6 +12,7 @@ export interface JestConfigOptions {
     coverageReporters?: string[];
     moduleNameMapper?: Record<string, string | string[]>;
     /* custom: */
+    isolatedModules?: boolean;
     tsConfigRootPath?: string;
     tsConfigSpecPath?: string;
     debug?: boolean;