Prevent autocomplete crash (#878)

* prevent crashing

* sourcemap cleanup

app/components/UI/UrlAutocomplete/index.js

@@ -7,6 +7,7 @@ import { connect } from 'react-redux';
 import WebsiteIcon from '../WebsiteIcon';
 import { colors, fontStyles } from '../../../styles/common';
 import { getHost } from '../../../util/browser';
+import Logger from '../../../util/Logger';
 
 const styles = StyleSheet.create({
 	wrapper: {
@@ -115,7 +116,11 @@ class UrlAutocomplete extends PureComponent {
 
 			this.timer = setTimeout(() => {
 				const fuseSearchResult = this.fuse.search(this.props.input);
-				this.updateResults([...fuseSearchResult]);
+				if (Array.isArray(fuseSearchResult)) {
+					this.updateResults([...fuseSearchResult]);
+				} else {
+					this.updateResults([]);
+				}
 			}, 500);
 		}
 	}
@@ -125,7 +130,11 @@ class UrlAutocomplete extends PureComponent {
 	}
 
 	updateResults(results) {
-		this.mounted && this.setState({ results });
+		try {
+			this.mounted && this.setState({ results });
+		} catch (e) {
+			Logger.error('Autocomplete crash', results);
+		}
 	}
 
 	onSubmitInput = () => this.props.onSubmit(this.props.input);

package.json

@@ -28,8 +28,8 @@
     "postinstall": "./scripts/postinstall.sh",
     "sourcemaps:android": "node_modules/.bin/react-native bundle --platform android --entry-file index.js --dev false --reset-cache --bundle-output /tmp/bundle.android.js --assets-dest /tmp/ --sourcemap-output sourcemaps/android/index.js.map",
     "sourcemaps:ios": "node_modules/.bin/react-native bundle --platform ios --entry-file index.js --dev false --reset-cache --bundle-output /tmp/bundle.ios.js --assets-dest /tmp/ --sourcemap-output sourcemaps/ios/index.js.map",
-    "stacktrace:android": "stack-beautifier sourcemaps/android.js.map -t trace.txt",
-    "stacktrace:ios": "stack-beautifier sourcemaps/ios.js.map -t trace.txt"
+    "stacktrace:android": "stack-beautifier sourcemaps/android/index.js.map -t sourcemaps/trace.txt",
+    "stacktrace:ios": "stack-beautifier sourcemaps/ios/index.js.map -t sourcemaps/trace.txt"
   },
   "prettier": {
     "printWidth": 120,

sourcemaps/trace.txt

@@ -1 +1,10 @@
-# PASTE THE MINIFIED JS STACKTRACE HERE
+# EXAMPLE stacktrace below:
+
+Fatal Exception: com.facebook.react.common.JavascriptException: Invalid attempt to destructure non-iterable instance, stack:
+<unknown>@9:487
+o@781:121
+value@80:1312
+value@42:1514
+<unknown>@18:912
+d@31:10
+value@11:1512