web: flutter run failed after adding web support to existing project

[JamesKarl]

Error compiling dartdevc module:syncfusion_flutter_charts|lib/charts.ddc.js

packages/syncfusion_flutter_charts/src/circular_chart/utils/helper.dart:24:9: Error: Expected 0 type arguments.
final Point innerRadiusStartPoint = Point(
^^^^^
packages/syncfusion_flutter_charts/src/circular_chart/utils/helper.dart:24:47: Error: 'Point' is imported from both 'dart:math' and 'dart:ui'.
final Point innerRadiusStartPoint = Point(
^^^^^
packages/syncfusion_flutter_charts/charts.dart:8:1: Error: 'Point' is imported from both 'dart:math' and 'dart:ui'.
import 'dart:ui';
^^^^^
packages/syncfusion_flutter_charts/src/circular_chart/utils/helper.dart:27:9: Error: Expected 0 type arguments.
final Point innerRadiusEndPoint = Point(
^^^^^
packages/syncfusion_flutter_charts/src/circular_chart/utils/helper.dart:27:45: Error: 'Point' is imported from both 'dart:math' and 'dart:ui'.
final Point innerRadiusEndPoint = Point(
^^^^^
packages/syncfusion_flutter_charts/src/circular_chart/utils/helper.dart:31:9: Error: Expected 0 type arguments.
final Point radiusStartPoint = Point(
^^^^^
packages/syncfusion_flutter_charts/src/circular_chart/utils/helper.dart:31:42: Error: 'Point' is imported from both 'dart:math' and 'dart:ui'.
final Point radiusStartPoint = Point(
^^^^^

Error compiling dartdevc module:jpush_flutter|lib/jpush_flutter.ddc.js

-------------------- %< --------------------

dartdevc -k arguments: --dart-sdk-summary=/Users/jameskarl/devenv/dart/flutter-stable/bin/cache/flutter_web_sdk/kernel/flutter_ddc_sdk.dill
--modules=amd --no-summarize -o packages/jpush_flutter/jpush_flutter.ddc.js --source-map
--summary=packages/platform/platform.ddc.dill=packages/platform/platform --summary=packages/meta/meta.ddc.dill=packages/meta/meta
--summary=packages/typed_data/typed_buffers.ddc.dill=packages/typed_data/typed_buffers
--summary=packages/flutter/src/foundation/_bitfield_web.ddc.dill=packages/flutter/src/foundation/_bitfield_web
--summary=packages/flutter/foundation.ddc.dill=packages/flutter/foundation
--summary=packages/collection/src/utils.ddc.dill=packages/collection/src/utils
--summary=packages/collection/src/algorithms.ddc.dill=packages/collection/src/algorithms
--summary=packages/collection/src/iterable_zip.ddc.dill=packages/collection/src/iterable_zip
--summary=packages/collection/src/comparators.ddc.dill=packages/collection/src/comparators
--summary=packages/collection/src/priority_queue.ddc.dill=packages/collection/src/priority_queue
--summary=packages/collection/src/canonicalized_map.ddc.dill=packages/collection/src/canonicalized_map
--summary=packages/collection/collection.ddc.dill=packages/collection/collection
--summary=packages/vector_math/hash.ddc.dill=packages/vector_math/hash
--summary=packages/vector_math/vector_math_64.ddc.dill=packages/vector_math/vector_math_64
--summary=packages/flutter/src/gestures/arena.ddc.dill=packages/flutter/src/gestures/arena
--summary=packages/flutter/gestures.ddc.dill=packages/flutter/gestures
--packages=file:///var/folders/nc/gy1m09vs0hg1_m22b1cmlt600000gn/T/kernel_builder_ATa9Fx/.packages
--module-name=packages/jpush_flutter/jpush_flutter --multi-root-scheme=org-dartlang-app --multi-root=. --track-widget-creation
--inline-source-map --libraries-file=file:///Users/jameskarl/devenv/dart/flutter-stable/bin/cache/flutter_web_sdk/libraries.json
package:jpush_flutter/jpush_flutter.dart
dart --version: 2.5.0-dev.4.0.flutter-be66176534 (Thu Sep 5 15:05:53 2019 +0000) on "macos_x64"

FormatException: Bad UTF-8 encoding 0xa6 (at offset 0)
#0 _Utf8Decoder.convert (dart:convert/utf.dart:530:13)
#1 Utf8Decoder.convert (dart:convert/utf.dart:327:13)
#2 Utf8Codec.decode (dart:convert/utf.dart:59:56)
#3 ProgramCompiler.visitAssertStatement (package:dev_compiler/src/kernel/compiler.dart:3293:32)
#4 ProgramCompiler._initializeFields (package:dev_compiler/src/kernel/compiler.dart:1593:20)
#5 ProgramCompiler._emitConstructorBody (package:dev_compiler/src/kernel/compiler.dart:1466:14)
#6 ProgramCompiler._emitConstructor.. (package:dev_compiler/src/kernel/compiler.dart:1430:19)
#7 ProgramCompiler._superDisallowed (package:dev_compiler/src/kernel/compiler.dart:2989:24)
#8 ProgramCompiler._emitConstructor. (package:dev_compiler/src/kernel/compiler.dart:1429:15)
#9 ProgramCompiler._withLetScope (package:dev_compiler/src/kernel/compiler.dart:2156:25)
#10 ProgramCompiler._withCurrentFunction (package:dev_compiler/src/kernel/compiler.dart:2979:18)
#11 ProgramCompiler._emitConstructor (package:dev_compiler/src/kernel/compiler.dart:1427:16)
#12 ProgramCompiler._defineConstructors (package:dev_compiler/src/kernel/compiler.dart:895:38)
#13 ProgramCompiler._emitClassDeclaration (package:dev_compiler/src/kernel/compiler.dart:535:19)
#14 ProgramCompiler._emitClass (package:dev_compiler/src/kernel/compiler.dart:477:21)
#15 List.forEach (dart:core-patch/growable_array.dart:283:8)
#16 ProgramCompiler._emitLibrary (package:dev_compiler/src/kernel/compiler.dart:423:23)
#17 Iterable.forEach (dart:core/iterable.dart:277:30)
#18 ProgramCompiler.emitModule (package:dev_compiler/src/kernel/compiler.dart:316:15)
#19 _compile (package:dev_compiler/src/kernel/command.dart:387:27)

#20 compile (package:dev_compiler/src/kernel/command.dart:43:18)

#21 compile (package:dev_compiler/src/compiler/shared_command.dart:394:12)
#22 _CompilerWorker.performRequest. (file:///b/s/w/ir/k/src/third_party/dart/pkg/dev_compiler/bin/dartdevc.dart:64:13)
#23 _rootRun (dart:async/zone.dart:1124:13)
#24 _CustomZone.run (dart:async/zone.dart:1021:19)
#25 _runZoned (dart:async/zone.dart:1516:10)
#26 runZoned (dart:async/zone.dart:1463:12)
#27 _CompilerWorker.performRequest (file:///b/s/w/ir/k/src/third_party/dart/pkg/dev_compiler/bin/dartdevc.dart:62:24)

#28 AsyncWorkerLoop.run. (package:bazel_worker/src/worker/async_worker_loop.dart:33:41)
#29 _rootRun (dart:async/zone.dart:1124:13)
#30 _CustomZone.run (dart:async/zone.dart:1021:19)
#31 _runZoned (dart:async/zone.dart:1516:10)
#32 runZoned (dart:async/zone.dart:1463:12)
#33 AsyncWorkerLoop.run (package:bazel_worker/src/worker/async_worker_loop.dart:33:26)

#34 main (file:///b/s/w/ir/k/src/third_party/dart/pkg/dev_compiler/bin/dartdevc.dart:28:57)

#35 _startIsolate. (dart:isolate-patch/isolate_patch.dart:301:32)
#36 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:172:12)

AssetNotFoundException: syncfusion_flutter_charts|lib/charts.ddc.js
Failed after 39.0s

[mraleph]

/cc @vsmenon

[vsmenon]

Consolidating to #39271