Geolocation support

packages/app-mobile/root.tsx

@@ -629,8 +629,13 @@ async function initialize(dispatch: Dispatch) {
 			reg.logger().info(`First start: detected locale as ${detectedLocale}`);
 
 			if (shim.mobilePlatform() === 'web') {
+				// Web browsers generally have more limited storage than desktop and mobile apps:
 				Setting.setValue('sync.resourceDownloadMode', 'auto');
-				logger.info('First start on web: Set resource download mode to auto.');
+				// For now, geolocation is disabled by default on web until the web permissions workflow
+				// is improved. At present, trackLocation=true causes the "allow location access" prompt
+				// to appear without a clear indicator for why Joplin wants this information.
+				Setting.setValue('trackLocation', false);
+				logger.info('First start on web: Set resource download mode to auto and disabled location tracking.');
 			}
 
 			Setting.skipDefaultMigrations();

packages/app-mobile/utils/shim-init-react/index.web.ts

@@ -10,6 +10,21 @@ import { FetchBlobOptions } from '@joplin/lib/types';
 import JoplinError from '@joplin/lib/JoplinError';
 
 const shimInit = () => {
+	type GetLocationOptions = { timeout?: number };
+	shim.Geolocation = {
+		currentPosition: ({ timeout = 10000 }: GetLocationOptions = {}) => {
+			return new Promise((resolve, reject) => {
+				navigator.geolocation?.getCurrentPosition((position) => {
+					if (!position?.coords) {
+						resolve(null);
+					}
+
+					resolve(position);
+				}, (error) => reject(error), { timeout });
+			});
+		},
+	};
+
 	let fsDriver_: FsDriverWeb|null = null;
 
 	const fsDriver = () => {

packages/app-mobile/utils/shim-init-react/shimInitShared.ts

@@ -11,7 +11,6 @@ import Resource from '@joplin/lib/models/Resource';
 const shim: typeof ShimType = require('@joplin/lib/shim').default;
 
 const shimInitShared = () => {
-	shim.Geolocation = null;
 	shim.sjclModule = require('@joplin/lib/vendor/sjcl-rn.js');
 
 	shim.stringByteLength = function(string) {