fix: getLang fallback

Fixes #398

CHANGELOG.md

@@ -16,6 +16,7 @@
 - In the corpus selector, an empty folder would add 1 to the parent folder's corpus count
 - Searching by pressing Enter in Simple search is broken [#394](https://github.com/spraakbanken/korp-frontend/issues/394)
 - Barcode (aka hitsPicture) sometimes missing from KWIC tab [#395](https://github.com/spraakbanken/korp-frontend/issues/395)
+- Error when loading with restricted corpora selected [#398](https://github.com/spraakbanken/korp-frontend/issues/398)
 
 ## [9.7.1] - 2024-09-18
 

app/scripts/i18n/index.ts

@@ -1,12 +1,17 @@
 /** @format */
 import isObject from "lodash/isObject"
 import settings from "@/settings"
-import { getService } from "@/util"
-import type { LangLocMap, LangString, LocLangMap, LocMap } from "@/i18n/types"
+import { getService, getUrlHash } from "@/util"
+import type { LangString, LocLangMap, LocMap } from "@/i18n/types"
 
 /** Get the current UI language. */
 export function getLang(): string {
-    return getService("$rootScope").lang || settings.default_language
+    // If called during bootstrap, the Root Scope service may not be ready
+    try {
+        return getService("$rootScope").lang || settings.default_language
+    } catch (e) {
+        return getUrlHash("lang") || settings.default_language
+    }
 }
 
 /**

app/scripts/util.ts

@@ -3,11 +3,10 @@ import _ from "lodash"
 import angular, { IControllerService, IHttpService, type IRequestConfig, type IScope } from "angular"
 import settings from "@/settings"
 import { getLang, loc, locObj } from "@/i18n"
-import { LangMap, LangString } from "./i18n/types"
+import { LangString } from "./i18n/types"
 import { RootScope } from "./root-scope.types"
 import { JQueryExtended, JQueryStaticExtended } from "./jquery.types"
 import { HashParams, LocationService, UrlParams } from "./urlparams"
-import { Attribute } from "./settings/config.types"
 import { AttributeOption } from "./corpus_listing"
 
 /** Use html`<div>html here</div>` to enable formatting template strings with Prettier. */