josdejong/mathjs

TypeError: Cannot read property 'prototype' of undefined when run in jest

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#1,898 opened on 2020年6月28日

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説明

yarn jest --testPathPattern path/to/file
yarn run v1.22.4
$ D:\workspace\js\myproject\node_modules\.bin\jest --testPathPattern path/to/file
 FAIL  path/to/xxx.spec.ts
  ● Test suite failed to run

      ● Test suite failed to run

        TypeError: Cannot read property 'prototype' of undefined

      at Object.<anonymous>.createComplexClass.isClass (node_modules/mathjs/lib/type/complex/Complex.js:28:23)
      at assertAndCreate (node_modules/mathjs/lib/utils/factory.js:49:12)
      at Object.<anonymous> (node_modules/mathjs/lib/entry/pureFunctionsAny.generated.js:24:38)
      at Object.<anonymous> (node_modules/mathjs/lib/entry/mainAny.js:53:25)

It can be produced with the latest at least three versions. It works fine in my project when run the project by running npm run start. Why this is not working with jest.

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