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Fix for the jest.config.ts compiler to not interfere with tsconfig.json files #10675

Merged
merged 8 commits into from Oct 22, 2020
1 change: 1 addition & 0 deletions CHANGELOG.md
Expand Up @@ -9,6 +9,7 @@
- `[expect]` Fix `objectContaining` to work recursively into sub-objects ([#10508](https://github.com/facebook/jest/pull/10508))
- `[jest-message-util]` Update to work properly with Node 15 ([#10660](https://github.com/facebook/jest/pull/10660))
- `[jest-mock]` Allow to mock methods in getters (TypeScript 3.9 export) ([#10156](https://github.com/facebook/jest/pull/10156))
- `[jest-config]` Fix for the `jest.config.ts` compiler to not interfere with `tsconfig.json` files
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### Chore & Maintenance

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6 changes: 5 additions & 1 deletion packages/jest-config/src/readConfigFileAndSetRootDir.ts
Expand Up @@ -107,7 +107,11 @@ const loadTSConfigFile = async (

// Register TypeScript compiler instance
try {
registerer = require('ts-node').register();
registerer = require('ts-node').register({
compilerOptions: {
module: 'CommonJS',
},
});
} catch (e) {
if (e.code === 'MODULE_NOT_FOUND') {
throw new Error(
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