[Admin] (preprocessor) Handle Local option (#2070)

Author: ElizabethSamuel-MSFT

generate-docs/scripts/preprocessor.ts

@@ -48,15 +48,17 @@ tryCatch(async () => {
             urlToCopyOfficeRuntimeFrom = "https://raw.githubusercontent.com/DefinitelyTyped/DefinitelyTyped/master/types/office-runtime/index.d.ts";
             break;
         case "CDN":
-            urlToCopyOfficeJsFrom = "https://appsforoffice.officeapps.live.com/lib/1.1/hosted/office.d.ts";
-            urlToCopyPreviewOfficeJsFrom = "https://appsforoffice.officeapps.live.com/lib/beta/hosted/office.d.ts";
+            urlToCopyOfficeJsFrom = "https://res-sdp.public.cdn.office.net/appsforoffice/_1cdn_bucketedcontent/lib/1.1/hosted/office.d.ts";
+            urlToCopyPreviewOfficeJsFrom = "https://res-sdp.public.cdn.office.net/appsforoffice/_1cdn_bucketedcontent/lib/beta/hosted/office.d.ts";
             urlToCopyCustomFunctionsRuntimeFrom = "https://raw.githubusercontent.com/DefinitelyTyped/DefinitelyTyped/master/types/custom-functions-runtime/index.d.ts";
             urlToCopyOfficeRuntimeFrom = "https://raw.githubusercontent.com/DefinitelyTyped/DefinitelyTyped/master/types/office-runtime/index.d.ts";
             break;
-        // Note: using "appsforoffice.officeapps.live.com" instead of "appsforoffice.microsoft.com"
+        // Note: Using 1CDN instead of "appsforoffice.microsoft.com"
         //     to avoid being redirected to the EDOG environment on corpnet.
         // If we ever want to generate not just public d.ts but also "office-with-first-party.d.ts",
         //     replace the filename.
+        case "Local":
+            break;
         default:
             throw new Error(`Invalid prompt selection: ${sourceChoice}`);
     }