Use es2019 in vite config (#1553)

* Use es2019 in vite config

* Update README

CHANGELOG.md

@@ -65,6 +65,7 @@
 - Added a new prop to `FeatureListSubscriber` to read in `showTable`, having it false by default.
 - Modified the `FeatureList` component to pass in 2 columns and 2 column labels if `showTable` is true, otherwise just 1 column and 1 columnLabel if `showTable` is false.
 - Modified the `SelectableTable` component and the table styles to handle showing 2 cells per row.
+- Use `es2019` in Vite bundle targets for `packages/main/prod` and `packages/main/dev` to support HuBMAP portal-ui.
 - Changes in `ToolMenu`:
   - Added a new button that calls `onRecenterButtonCLick` function on click.
   - Added css for the new button and introduced differentiation between a button and a tool.

consumer/README.md

@@ -26,4 +26,24 @@ Related directories/files:
 - `pages/`
 - `next.config.js`
 
-Open http://localhost:3003/consumer/out/index.html
+Open http://localhost:3003/consumer/out/index.html
+
+
+## How to test in portal-ui
+
+Instructions as of 5/26/2023 (commit hash [hubmapconsortium/portal-ui#fc8a881f](https://github.com/hubmapconsortium/portal-ui/commit/fc8a881ff6f793b4a0dbbeed60f2186fe9d880c4))
+
+```sh
+pnpm run build
+pnpm run bundle
+./scripts/consumer-install.sh
+
+cd ../portal-ui/context
+npm install
+
+# comment out `npm install` line in ./etc/dev/dev-start.sh
+
+npm install $(ls ../../vitessce/consumer/vitessce-*.tgz)
+cd ..
+./etc/dev/dev-start.sh # open http://localhost:5001
+```

packages/main/dev/vite.config.js

@@ -14,6 +14,7 @@ export default defineConfig({
     emptyOutDir: false,
     minify: isProduction ? 'esbuild' : false,
     sourcemap: false,
+    target: 'es2019', // portal-ui cannot handle the nullish coalescing output by ESNext
     lib: {
       entry: resolve(__dirname, 'src/index.js'),
       name: 'vitessce',

packages/main/prod/vite.config.js

@@ -15,6 +15,7 @@ export default defineConfig({
     emptyOutDir: false,
     minify: isProduction ? 'esbuild' : false,
     sourcemap: false,
+    target: 'es2019', // portal-ui cannot handle the nullish coalescing output by ESNext
     lib: {
       entry: resolve(__dirname, 'src/index.js'),
       name: 'vitessce',