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0.60.0-rc.0 is most likely going to be released tomorrow. The branch is already cut. We are working on the changelog.
Stay tuned.
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Kennytian
@armata007 @thymikee
open node_modules/jest-haste-map/build/crawlers/node.js, go to line 226, and then remove following code
if (options.mapper) {
throw new Error(`Option 'mapper' isn't supported by the Node crawler`);
}
references: https://github.com/facebook/jest/pull/8558/files#diff-a8d4602cd89511c26bc2fb165f65379aL143
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