roll back splitting off webpack tests for now, change tsconfig jsx to preserve in order for eslint plugins to work

Author: billyvg

tsconfig.json

@@ -26,7 +26,7 @@
     "experimentalDecorators": true,
 
     "esModuleInterop": true,
-    "jsx": "react",
+    "jsx": "preserve",
     "baseUrl": ".",
     "outDir": "src/sentry/static/sentry/dist",
     "paths": {

webpack.config.js

@@ -33,9 +33,6 @@ const USE_HOT_MODULE_RELOAD =
 const NO_DEV_SERVER = env.NO_DEV_SERVER;
 const IS_CI = !!env.CI || !!env.TRAVIS;
 
-// We only use ts-loader directly in CI for a specific job
-const USE_TS_LOADER = env.TEST_SUITE === 'js-build';
-
 // Deploy previews are built using netlify. We can check if we're in netlifys
 // build process by checking the existence of the PULL_REQUEST env var.
 //
@@ -239,7 +236,7 @@ let appConfig = {
         //
         // However, we don't want to lose typechecking in CI, so we have a CI task
         // that will run explicitly ts-loader
-        use: USE_TS_LOADER ? [babelLoaderConfig, tsLoaderConfig] : babelLoaderConfig,
+        use: !IS_CI ? babelLoaderConfig : [babelLoaderConfig, tsLoaderConfig],
       },
       {
         test: /\.po$/,