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[test-runner] Cannot read property 'decl' of undefined in coverage UI

See original GitHub issue

Two files in the PR for vaadin-date-picker have this problem:

Cannot read property 'decl' of undefined
TypeError: Cannot read property 'decl' of undefined
    at /Users/sergey/vaadin/vaadin-date-picker-new/node_modules/istanbul-reports/lib/html/annotator.js:89:31
    at Array.forEach ()
    at annotateFunctions (/Users/sergey/vaadin/vaadin-date-picker-new/node_modules/istanbul-reports/lib/html/annotator.js:86:29)
    at annotateSourceCode (/Users/sergey/vaadin/vaadin-date-picker-new/node_modules/istanbul-reports/lib/html/annotator.js:234:9)
    at HtmlReport.onDetail (/Users/sergey/vaadin/vaadin-date-picker-new/node_modules/istanbul-reports/lib/html/index.js:409:33)
    at LcovReport. [as onDetail] (/Users/sergey/vaadin/vaadin-date-picker-new/node_modules/istanbul-reports/lib/lcov/index.js:28:23)
    at Visitor.value (/Users/sergey/vaadin/vaadin-date-picker-new/node_modules/istanbul-lib-report/lib/tree.js:38:38)
    at ReportNode.visit (/Users/sergey/vaadin/vaadin-date-picker-new/node_modules/istanbul-lib-report/lib/tree.js:88:21)
    at /Users/sergey/vaadin/vaadin-date-picker-new/node_modules/istanbul-lib-report/lib/tree.js:92:19
    at Array.forEach ()

As you can see the numbers are there:

Screenshot 2020-10-05 at 13 30 19

But when opening the files, I get this:

Screenshot 2020-10-05 at 13 30 26

Screenshot 2020-10-05 at 13 30 33

Issue Analytics

State:
Created 3 years ago
Reactions:2
Comments:10 (6 by maintainers)

Top GitHub Comments

1reaction

mario-aleocommented, Nov 30, 2020

@LarsDenBakker, sorry for the late response. I’ve just tried and didn’t work, as I’ve reported at istanbuljs/v8-to-istanbul#121, I’ll create a repository with this error so you can easily reproduce it 😃

1reaction

LarsDenBakkercommented, Nov 17, 2020

The karma config used babel for instrumenting code as well. We switched to using chromium for speed.

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