ts-jest-issue-805-demo
Demo for ts-jest issue #805
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Demo for ts-jest #805
See https://github.com/kulshekhar/ts-jest/issues/805
How to use
To reproduce the error
yarn install --frozen-lockfile
cd packages/my-app/
yarn test --no-cache
Output:
$ yarn test --no-cache
yarn run v1.21.1
$ jest --no-cache
FAIL my-app ./main.test.ts
● Test suite failed to run
TypeError: Unable to require `.d.ts` file.
This is usually the result of a faulty configuration or import. Make sure there is a `.js`, `.json` or another executable extension available alongside `index.ts`.
at getOutput (../../node_modules/ts-jest/dist/compiler.js:165:23)
Test Suites: 1 failed, 1 total
Tests: 0 total
Snapshots: 0 total
Time: 2.111s
Ran all test suites.
error Command failed with exit code 1.
info Visit
The error can also be reproduced by running all the test projects from the root directory.
To work around the error
isolatedModules
Set isolatedModules to true in packages/my-app/jest.config.js.
preserveSymlinks
Set preserveSymlinks to true in packages/my-app/tsconfig.json.