test: 100% coverage for `tslib.ts` (error case) - Githubissues

ezolenko / rollup-plugin-typescript2

Rollup plugin for typescript with compiler errors.

MIT License

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test: 100% coverage for `tslib.ts` (error case) #399

Closed agilgur5 closed 2 years ago

agilgur5 commented 2 years ago

Summary

Get to 100% coverage of tslib.ts by adding a check for error case

Follow-up to #321

Details

use Jest's module mocks to test the error case of tslib.ts when tslib fails to import
- this took a bit of work to figure out bc, per the in-line comments, the ordering and module subpath were both required
- it was pretty confusing for a while until I realized what might be going wrong