Fix Jest for transpilation

Author: compulim

packages/directlinespeech/jest.config.js

@@ -1,8 +1,16 @@
 const { defaults } = require('jest-config');
 
+const TRANSFORM_IGNORE_PACKAGES = ['microsoft-cognitiveservices-speech-sdk', 'uuid'];
+
 module.exports = {
   ...defaults,
   setupFiles: ['<rootDir>/__tests__/utilities/setupJest.js'],
   setupFilesAfterEnv: ['<rootDir>/__tests__/utilities/setupTestNightly.js'],
-  testPathIgnorePatterns: [...defaults.testPathIgnorePatterns, '/__tests__/utilities/', '/lib/']
+  testPathIgnorePatterns: [...defaults.testPathIgnorePatterns, '/__tests__/utilities/', '/lib/'],
+  transformIgnorePatterns: [
+    // jest-environment-jsdom import packages as browser.
+    // Packages, such as "uuid", export itself for browser as ES5 + ESM.
+    // Since jest@28 cannot consume ESM yet, we need to transpile these packages.
+    `/node_modules/(?!(${TRANSFORM_IGNORE_PACKAGES.join('|')})/)`
+  ]
 };

packages/directlinespeech/src/shareObservable.js

@@ -1,4 +1,4 @@
-/* global Observable */
+import Observable from 'core-js-pure/features/observable';
 
 export default function shareObservable(observable) {
   let observers = [];

packages/directlinespeech/tsup.config.ts

@@ -1,21 +1,7 @@
-import { join } from 'path';
 import { defineConfig } from 'tsup';
 
 import { applyConfig } from '../../tsup.base.config';
 
-// Redirect import paths for "microsoft-cognitiveservices-speech-sdk(...)"
-// to point to es2015 distribution for all importing modules
-const resolveCognitiveServicesToES2015 = {
-  name: 'microsoft-cognitiveservices-speech-sdk',
-  setup(build) {
-    // ESBuild use Go regular expressions and does not understand Unicode flag.
-    // eslint-disable-next-line require-unicode-regexp
-    build.onResolve({ filter: /microsoft-cognitiveservices-speech-sdk.+/ }, args => ({
-      path: join(process.cwd(), 'node_modules', args.path.replace('distrib/lib', 'distrib/es2015') + '.js')
-    }));
-  }
-};
-
 const config = applyConfig(config => ({
   ...config,
   entry: {
@@ -32,7 +18,7 @@ const config = applyConfig(config => ({
     SPEECH_OCSP_CACHE_ROOT: ''
   },
   // Intentionally overriding existing esbuild plugins.
-  esbuildPlugins: [resolveCognitiveServicesToES2015],
+  esbuildPlugins: [],
   // We need to internalize event-target-shim because it appear as transient packages with a different version.
   noExternal: [...(config.noExternal ?? []), 'event-target-shim']
 }));