TypeError: Cannot read property 'Chart' of undefined about chartjs.dart HOT 6 CLOSED

On Mon, Feb 4, 2019 at 4:48 AM zsyphon ***@***.***> wrote: I am trying to use chartjs.dart in my project. However, getting the error: TypeError: Cannot read property 'Chart' of undefined. Would greatly appreciate any thoughts on how to resolve this. The example does work when I download it and run it. Just not in my project. My dart version is: Dart VM version: 2.1.1-dev.3.2 (Thu Jan 24 11:50:07 2019 +0100) on "macos_x64" and my pubspec.yaml is: name: my_proj version: 0.0.1 environment: Works in Dart 2 only. sdk: '>=2.0.0 <3.0.0' dependencies: angular: ^5.2.0 angular_components: ^0.11.0 angular_forms: ^2.1.1 angular_router: ^2.0.0-alpha+21 #quiver: ^0.28.0 js: ^0.6.0 bootstrap_sass: any intl: ^0.15.7 chartjs: ^0.5.0 analyzer: ^0.34.0 pam_shared_libs: path: ../pam_shared_libs dev_dependencies: angular_test: ^2.0.0 build_runner: ^1.2.3 build_test: ^0.10.4 build_web_compilers: ^1.1.0 #intl_translation: ^0.17.2 #test: ^0.12.30 js: ^0.6.1+1 sass_builder: ^2.1.2 #angular_analyzer_plugin: ^0.0.17+5 analyzer: strong-mode: true transformers: - sass_builder - angular: entry_points: - web/main.dart - test/pub_serve: $include: test/**_test.dart — You are receiving this because you are subscribed to this thread. Reply to this email directly, view it on GitHub <#34>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AABCiu__MoC4eDEVi4VhwZcSSv50PJLGks5vKCwigaJpZM4ahIY6> .

On Mon, Feb 4, 2019 at 5:12 PM zsyphon ***@***.***> wrote: Thank you! Simple fix. Now to figure out the error when running the example within my project. dart_sdk.js:99834 EXCEPTION: NoSuchMethodError: invalid member on null: 'length' STACKTRACE: https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.6.0/Chart.js 9853:20 acquireContext https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.6.0/Chart.js 3795:27 construct https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.6.0/Chart.js 6340:8 new Chart — You are receiving this because you commented. Reply to this email directly, view it on GitHub <#34 (comment)>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AABCijc7XlTZHyGL5b0ZpVbjp4MgzT38ks5vKNpxgaJpZM4ahIY6> .