js: Export variables instead of setting them on window.

static/js/blueslip.ts

@@ -12,6 +12,7 @@ import * as blueslip_stacktrace from "./blueslip_stacktrace";
 import {page_params} from "./page_params";
 import * as ui_report from "./ui_report";
 
+export let last_stacktrace: string | undefined;
 if (Error.stackTraceLimit !== undefined) {
     Error.stackTraceLimit = 100000;
 }
@@ -169,7 +170,7 @@ function report_error(
         // = False on your development server, or else this code path
         // won't execute to begin with -- useful for testing
         // (un)minification.)
-        window.last_stacktrace = stack;
+        last_stacktrace = stack;
     }
 }
 

static/js/global.d.ts

@@ -8,8 +8,3 @@ declare let zulip_test: any;
 interface JQuery {
     expectOne(): JQuery;
 }
-
-interface Window {
-    last_stacktrace: string;
-    page_params_parse_time: number;
-}

static/js/page_params.ts

@@ -14,7 +14,7 @@ export const page_params: {
     translation_data: Record<string, string>;
 } = $("#page-params").remove().data("params");
 const t2 = performance.now();
-window.page_params_parse_time = t2 - t1;
+export const page_params_parse_time = t2 - t1;
 if (!page_params) {
     throw new Error("Missing page-params");
 }

static/js/zulip_test.js

@@ -12,5 +12,6 @@ export {get_stream_id, get_sub, get_subscriber_count} from "./stream_data";
 export {get_by_user_id as get_person_by_user_id, get_user_id_from_name} from "./people";
 export {last_visible as last_visible_row, id as row_id} from "./rows";
 export {cancel as cancel_compose} from "./compose_actions";
-export {page_params} from "./page_params";
+export {page_params, page_params_parse_time} from "./page_params";
 export {initiate as initiate_reload} from "./reload";
+export {last_stacktrace} from "./blueslip";