feat: write version info to window

packages/instant/src/index.umd.ts

@@ -6,6 +6,9 @@ import { DEFAULT_ZERO_EX_CONTAINER_SELECTOR, INJECTED_DIV_CLASS, INJECTED_DIV_ID
 import { ZeroExInstantOverlay, ZeroExInstantOverlayProps } from './index';
 import { assert } from './util/assert';
 import { util } from './util/util';
+import { versionUtil } from './util/version';
+
+versionUtil.writeVersionInfoToWindow();
 
 const isInstantRendered = (): boolean => !!document.getElementById(INJECTED_DIV_ID);
 

packages/instant/src/util/version.ts

@@ -0,0 +1,8 @@
+const anyWindow = window as any;
+
+export const versionUtil = {
+    writeVersionInfoToWindow: () => {
+        anyWindow.__zeroExInstantGitSha = process.env.GIT_SHA;
+        anyWindow.__zeroExInstantNpmVersion = process.env.NPM_PACKAGE_VERSION;
+    },
+};