Expose iTwin.js Core Version for extensions/embed-api (#3287)

Co-authored-by: Arun George <[email protected]>

Author: aruniverse

common/api/core-frontend.api.md

@@ -5333,6 +5333,9 @@ export interface ITwinIdArg {
     readonly iTwinId?: GuidString;
 }
 
+// @public (undocumented)
+export const ITWINJS_CORE_VERSION: string;
+
 // @public
 export enum KeyinParseError {
     MismatchedQuotes = 4,

common/api/summary/core-frontend.exports.csv

@@ -321,6 +321,7 @@ public;isTextInputFormatPropEditorSpec: (item: CustomFormatPropEditorSpec) => it
 public;isTextSelectFormatPropEditorSpec: (item: CustomFormatPropEditorSpec) => item is TextSelectFormatPropEditorSpec
 alpha;ItemField
 beta;ITwinIdArg
+public;ITWINJS_CORE_VERSION: string
 public;KeyinParseError
 internal;KeyinStatus
 beta;LengthDescription 

common/changes/@itwin/core-frontend/export-core-ver_2022-03-01-17-44.json

@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@itwin/core-frontend",
+      "comment": "Expose iTwin.js Core Version for extensions",
+      "type": "none"
+    }
+  ],
+  "packageName": "@itwin/core-frontend"
+}

core/frontend/src/IModelApp.ts

@@ -6,7 +6,10 @@
  * @module IModelApp
  */
 
-const copyrightNotice = 'Copyright © 2017-2022 <a href="https://www.bentley.com" target="_blank" rel="noopener noreferrer">Bentley Systems, Inc.</a>';
+/** @public */
+// eslint-disable-next-line @typescript-eslint/no-var-requires
+export const ITWINJS_CORE_VERSION = require("../../package.json").version as string; // require resolves from the lib/{cjs,esm} dir
+const COPYRIGHT_NOTICE = 'Copyright © 2017-2022 <a href="https://www.bentley.com" target="_blank" rel="noopener noreferrer">Bentley Systems, Inc.</a>';
 
 import { TelemetryManager } from "@itwin/core-telemetry";
 import { UiAdmin } from "@itwin/appui-abstract";
@@ -688,7 +691,7 @@ export class IModelApp {
     return this.makeLogoCard({
       iconSrc: `${this.publicPath}images/about-imodeljs.svg`,
       heading: `<span style="font-weight:normal">${this.localization.getLocalizedString("iModelJs:Notices.PoweredBy")}</span>&nbsp;iTwin.js`,
-      notice: `${require("../../package.json").version}<br>${copyrightNotice}`, // eslint-disable-line @typescript-eslint/no-var-requires
+      notice: `${ITWINJS_CORE_VERSION}<br>${COPYRIGHT_NOTICE}`,
     });
   }