Jest · Pipe
transform
Jest transforms source files that use syntax Node cannot run directly. The transform setting chooses the transformer, and Jest provides babel-jest by default for common JavaScript and TypeScript file extensions.
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Syntax
{"transform":{"\\.[jt]sx?$":"babel-jest"}}In-depth API docs are only for subscribers: parameters, examples, common mistakes and interview practice.
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babel-jestts-jesttransformIgnorePatternsexcludeJestPresetcreateTransformergetCacheKeyprocessprocessAsync