Stop throwing in frontend code (#2654)

Return error instead of throw

src/lib/paths.ts

@@ -6,6 +6,7 @@ import { ProjectRoute } from 'wasm-lib/kcl/bindings/ProjectRoute'
 import { parseProjectRoute, readAppSettingsFile } from './tauri'
 import { parseProjectRoute as parseProjectRouteWasm } from 'lang/wasm'
 import { readLocalStorageAppSettingsFile } from './settings/settingsUtils'
+import { err } from 'lib/trap'
 
 const prependRoutes =
   (routesObject: Record<string, string>) => (prepend: string) => {
@@ -33,21 +34,25 @@ export const BROWSER_PATH = `%2F${BROWSER_PROJECT_NAME}%2F${BROWSER_FILE_NAME}${
 
 export async function getProjectMetaByRouteId(
   id?: string,
-  configuration?: Configuration
+  configuration?: Configuration | Error
 ): Promise<ProjectRoute | undefined> {
   if (!id) return undefined
 
   const inTauri = isTauri()
 
-  if (!configuration) {
+  if (configuration === undefined) {
     configuration = inTauri
       ? await readAppSettingsFile()
       : readLocalStorageAppSettingsFile()
   }
 
+  if (err(configuration)) return Promise.reject(configuration)
+
   const route = inTauri
     ? await parseProjectRoute(configuration, id)
     : parseProjectRouteWasm(configuration, id)
 
+  if (err(route)) return Promise.reject(route)
+
   return route
 }