commit 9ce3d4b27f2e16718fe8bf41230a9777802fcda8
author Parker Lougheed <parlough@gmail.com> Fri Jan 22 18:29:09 2021 -0600
committer GitHub <noreply@github.com> Sat Jan 23 11:29:09 2021 +1100
tree 021dd9ec1972e864389e1c5bdf98508964150328
parent 98c2cff7e2965de04e2f75b52834fea977719a49

Mark other VM imports as unsupported (#642)

lib/src/flutter_web.dart

diff --git a/lib/src/flutter_web.dart b/lib/src/flutter_web.dart
index 7f1f372..8035f24 100644
--- a/lib/src/flutter_web.dart
+++ b/lib/src/flutter_web.dart
@@ -24,11 +24,32 @@
     return path.join('artifacts', 'flutter_web.dill');
   }
 
-  static final Set<String> _flutterWebImportPrefixes = <String>{
+  static const Set<String> _flutterWebImportPrefixes = {
     'package:flutter',
     'dart:ui',
   };
 
+  /// A set of all allowed `dart:` imports. Currently includes non-VM libraries
+  /// listed as the [doc](https://api.dart.dev/stable/index.html) categories.
+  static const Set<String> _allowedDartImports = {
+    'dart:async',
+    'dart:collection',
+    'dart:convert',
+    'dart:core',
+    'dart:developer',
+    'dart:math',
+    'dart:typed_data',
+    'dart:html',
+    'dart:indexed_db',
+    'dart:js',
+    'dart:js_util',
+    'dart:svg',
+    'dart:web_audio',
+    'dart:web_gl',
+    'dart:web_sql',
+    'dart:ui',
+  };
+
   bool usesFlutterWeb(Set<String> imports) {
     return imports.any((String import) {
       return _flutterWebImportPrefixes.any(
@@ -43,8 +64,8 @@
 
   String getUnsupportedImport(Set<String> imports) {
     for (final import in imports) {
-      // All dart: imports are ok, except dart:io
-      if (import.startsWith('dart:') && import != 'dart:io') {
+      // All non-VM dart: imports are ok
+      if (import.startsWith('dart:') && _allowedDartImports.contains(import)) {
         continue;
       }