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Enhance Jest config error for setupTestFrameworkScriptFile #3512

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Jan 17, 2018
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12 changes: 11 additions & 1 deletion packages/react-scripts/scripts/utils/createJestConfig.js
Original file line number Diff line number Diff line change
Expand Up @@ -72,6 +72,15 @@ module.exports = (resolve, rootDir, isEjecting) => {
});
const unsupportedKeys = Object.keys(overrides);
if (unsupportedKeys.length) {
const isOverridingSetupFile =
unsupportedKeys.indexOf('setupTestFrameworkScriptFile') >= -1;

const setupFileError = isOverridingSetupFile
? '\nTo add a setupTestFrameworkScriptFile, create the file in ' +
chalk.bold('src/setupTests.js') +
' and create-react-app will automatically load it for you.\n'
: '';

console.error(
chalk.red(
'Out of the box, Create React App only supports overriding ' +
Expand All @@ -88,7 +97,8 @@ module.exports = (resolve, rootDir, isEjecting) => {
chalk.bold('npm run eject') +
' but remember that this is a one-way operation. ' +
'You may also file an issue with Create React App to discuss ' +
'supporting more options out of the box.\n'
'supporting more options out of the box.\n' +
setupFileError
)
);
process.exit(1);
Expand Down