feat: add support for tsconfig.json files that have an extends property #1361
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Follow up the PR #1313
Description copied from #1313:
What does the PR do?
Fixes issue #1283.
Following what was suggested in the issue to mimic what ts-node is doing to resolve the tsconfig.json here.
Their method is quite a bit more complex since they need to resolve custom ts-node compiler options.
For our purposes, reading the config file using ts.readConfigFile and then parsing it with ts.parseJsonConfigFileContent produces the expected tsconfig.json even when it extends another one.
Tests
Added a test to confirm that danger resolves extended tsconfigs.