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Run test with jest "Cannot find module 'ng2-charts'"

See original GitHub issue

I cannot execute my jest tests with the newest version 3.0.1. I get following error:

    Cannot find module 'ng2-charts' from 'src/app/pages/text.component.ts'

    Require stack:
      src/app/pages/test-chart.component.ts
      src/app/pages/test.component.ts
      src/app/pages/test.spec.ts

    >  7 | import { BaseChartDirective } from "ng2-charts";
         | ^

   at Resolver.resolveModule (node_modules/jest-resolve/build/resolver.js:322:11)
      at Object.<anonymous> (src/app/pages/devices/device-detail/dialog-chart/dialog-chart.component.ts:7:1)

Issue Analytics

State:
Created 2 years ago
Reactions:3
Comments:5 (2 by maintainers)

Top GitHub Comments

2reactions

btvanhoosercommented, Dec 17, 2021

I copied as much as I could configuration-wise from my site, and then used the demo (https://valor-software.com/ng2-charts/#LineChart) for the UI/logic to ensure it wasn’t an issue with that.

Just running the tests via npm run test will show the issue as

Repo with minimal project: https://github.com/btvanhooser/ng2-charts-issue

2reactions

santam85commented, Dec 17, 2021

Can you share a minimum reproduction project?

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